CN108108461A

CN108108461A - Determine the method and device of cover image

Info

Publication number: CN108108461A
Application number: CN201711475410.1A
Authority: CN
Inventors: 王熙
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2017-12-29
Filing date: 2017-12-29
Publication date: 2018-06-01
Anticipated expiration: 2037-12-29
Also published as: CN108108461B

Abstract

Present disclose provides a kind of method and device of definite cover image, wherein, the above method includes：Obtain the characteristic information for the pre-set image that pre-set image set includes；Preset reference information is matched according to the characteristic information, obtains target image, the characteristic information of the target image and the preset reference information match；The cover image of described image set is determined according to the target image；Wherein, the preset reference information includes at least one of following：The geographical location information of default scenery, the sample image information of the default scenery.Using the method that the disclosure provides fixing cover image really can facilitate user to be closed according to representative cover image Quick positioning map image set intelligently for the representative cover image of a pre-set image Resource selection, promote user experience.

Description

Determine the method and device of cover image

Technical field

This disclosure relates to field of computer technology more particularly to a kind of method and device of definite cover image.

Background technology

With the development of digital camera technology, people can use digital camera or smart mobile phone etc. to have Image Acquisition work( The electronic equipment of energy gathers a large amount of digital pictures, and very big convenience is provided for record Life intravenous drip.Tourist souvenir is shot with user Exemplified by image, the every one place of user such as default tourist attractions can use above-mentioned electronic equipment to gather a large amount of tourist souvenirs Image.During subsequent image arrangement, the image for acquisition of once travelling can be stored in default file, such as electronics phase Volume alternatively, in file, forms pre-set image set.

The image information of above-mentioned default file storage is identified for ease of user, correlation technique can choose above-mentioned image automatically Cover image of the one or more image as above-mentioned default file in set.But the Normal practice of correlation technique is according to pre- Cover image of the rule such as by the first width in an image collection or former width image default settings for above-mentioned default file is put, Cause the cover image of above-mentioned default file is actual not have representativeness, user experience is bad.

The content of the invention

To overcome the problems, such as present in correlation technique, present disclose provides a kind of method and device of definite cover image, Can be intelligently the representative cover image of a pre-set image Resource selection.

According to the embodiment of the present disclosure in a first aspect, provide a kind of method of definite cover image, including：

Obtain the characteristic information for the pre-set image that pre-set image set includes；

Preset reference information is matched according to the characteristic information, obtains target image, the characteristic information of the target image With the preset reference information match；

The cover image of described image set is determined according to the target image；

Wherein, the preset reference information includes at least one of following：The geographical location information of default scenery, it is described default The sample image information of scenery.

Optionally, the characteristic information for obtaining the pre-set image that pre-set image set includes, including at least one of following：

Obtain the shooting geographical location information of the pre-set image；

By carrying out pre-set image feature extraction to the pre-set image, the image characteristics extraction of the pre-set image is obtained Information.

Optionally, the preset reference information includes：The geographical location information of at least one default scenery；

It is described that preset reference information is matched according to the characteristic information, target image is obtained, including：

In the geographical location information of the default scenery, the shooting geographical location information with the pre-set image is obtained The target geographic position information matched somebody with somebody；

The target image is determined according to the target geographic position information.

Optionally, it is described that the target image is determined according to the target geographic position information, including any one of following：

The image for meeting predeterminated position matching condition is determined as the target image, the predeterminated position matching condition bag It includes：The distance between the shooting geographical location of described image and the geographical location of default scenery meet predeterminated position matching precision；

By the sample image of the corresponding default scenery of the target geographic position information, it is determined as the target image.

Optionally, the preset reference information includes：The sample image information of at least one default scenery；

In the sample image information of the default scenery, the image characteristics extraction information with the pre-set image is obtained Matched target sample image；

The target image is determined according to the target sample image.

Optionally, it is described that preset reference information is matched according to the characteristic information, target image is obtained, including：

According to the geographical location information of the default scenery of shooting geographical location information matching of the pre-set image；

If the distance between the shooting geographical location of the pre-set image and the geographical location of default scenery are in pre-determined distance In the range of, it is the image to be determined for including default scene image to determine the pre-set image；

Determine the image between the image characteristics extraction information of the image to be determined and the sample image of default scenery With degree, the sample image of the default scenery is the corresponding sample image in geographical location of the default scenery；

If described image matching degree is more than preset matching threshold value, the pre-set image is determined as the target image.

Optionally, it is described to be determined according to target image if the quantity of the target image is more than default cover image quantity The cover image of the pre-set image set, including：

Determine the matching degree of each target image；

The target image of default quantity is obtained according to the order of the matching degree from high to low, is determined as the pre-set image The cover image of set.

Optionally, after the cover image that described image set is determined according to the target image, the method It further includes：

Determine the similarity between the cover image of history image set and current cover image；

If the similarity is more than or equal to predetermined threshold value, the current cover image is updated.

Optionally, before the matching preset reference information according to the characteristic information, the method further includes：

Historical use data before acquisition described image set shooting time in preset time range；

The preset reference information is determined by analyzing the historical use data.

According to the second aspect of the embodiment of the present disclosure, a kind of device of definite cover image is provided, described device includes：

Feature acquisition module is configured as obtaining the characteristic information for the pre-set image that pre-set image set includes；

Matching module is configured as matching preset reference information according to the characteristic information, obtains target image；

Cover image determining module is configured as determining the cover image of described image set according to the target image；

Optionally, the feature acquisition module includes following at least one submodule：

Fisrt feature acquisition submodule is configured as obtaining the shooting geographical location information of the pre-set image；

Second feature acquisition submodule is configured as, by carrying out pre-set image feature extraction to the pre-set image, obtaining Obtain the image characteristics extraction information of the pre-set image.

The matching module, including：

Location matches submodule is configured as in the geographical location information of the default scenery, is obtained and is preset with described The matched target geographic position information of shooting geographical location information of image；

First object determination sub-module is configured as determining the target image according to the target geographic position information.

Optionally, the first object determination sub-module, including：

First object image determination unit is configured as the image for meeting predeterminated position matching condition being determined as the mesh Logo image, the predeterminated position matching condition include：The geographical location of shooting geographical location and the default scenery of described image it Between distance meet predeterminated position matching precision；

Second target image determination unit is configured as the sample of the corresponding default scenery of the target geographic position information This image is determined as the target image.

The matching module, including：

Image Feature Matching submodule is configured as in the sample image information of the default scenery, obtain with it is described The target sample image of the image characteristics extraction information matches of pre-set image；

Second target determination sub-module is configured as determining the target image according to the target sample image.

Optionally, the matching module includes：

Initial matching submodule is configured as matching default scenery according to the shooting geographical location information of the pre-set image Geographical location information；

Initial decision sub-module, if being configured as the shooting geographical location of the pre-set image and the geographical position of default scenery It the distance between puts in the range of pre-determined distance, it is the figure to be determined for including default scene image to determine the pre-set image Picture；

Accurate matched sub-block is configured to determine that the image characteristics extraction information of the image to be determined and default scenery Sample image between images match degree, the sample image of the default scenery corresponds to for the geographical location of the default scenery Sample image；

Target image determination sub-module is configured as in the case where described image matching degree is more than preset matching threshold value, The pre-set image is determined as the target image.

Optionally, if the quantity of the target image, which is more than, presets cover image quantity, the cover image determining module, Including：

Matching degree determination sub-module is configured to determine that the matching degree of each target image；

Cover image determination sub-module is configured as obtaining default quantity according to the order of the matching degree from high to low Target image is determined as the cover image of the pre-set image set.

Optionally, described device further includes：

Similarity determining module is configured to determine that between the cover image of history image set and current cover image Similarity；

Image update module is configured as in the case where the similarity is more than or equal to predetermined threshold value, and update is described to work as Front cover image.

Optionally, described device further includes：

Data acquisition module, the history being configured as obtaining before described image set shooting time in preset time range User data；

Reference information determining module is configured as determining that the preset reference is believed by analyzing the historical use data Breath.

According to the third aspect of the embodiment of the present disclosure, a kind of non-transitorycomputer readable storage medium is provided, thereon Computer program is stored with, which realizes above-mentioned first aspect any the method when being executed by processor the step of.

According to the fourth aspect of the embodiment of the present disclosure, a kind of electronic equipment is provided, including：

Processor and the memory for storing processor-executable instruction；

Wherein, the processor is configured as：

The technical scheme provided by this disclosed embodiment can include the following benefits：

In the disclosure, electronic equipment can match default according to the characteristic information for the pre-set image that pre-set image set includes Reference information by the way of geographical location matching and/or pre-set image characteristic matching, is accurately matched and had in the image collection Representational target image, and determine according to above-mentioned target image the cover image of the image collection, it can both facilitate user Intuitively understand the corresponding geographic location feature information of the image collection, quickly positioning target image collection, while can also be promoted The visual experience of user.

It should be appreciated that above general description and following detailed description are only exemplary and explanatory, not The disclosure can be limited.

Description of the drawings

Attached drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the disclosure Example, and for explaining the principle of the disclosure together with specification.

Fig. 1 is a kind of method flow diagram of definite cover image of the disclosure according to an exemplary embodiment.

Fig. 2 is the method flow diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Fig. 3 is the method flow diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Fig. 4 is the method flow diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Fig. 5 is the method flow diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Fig. 6 is the method flow diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Fig. 7 is the method flow diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Fig. 8 is a kind of application scenarios schematic diagram of definite cover image of the disclosure according to an exemplary embodiment.

Fig. 9 is a kind of device block diagram of definite cover image of the disclosure according to an exemplary embodiment.

Figure 10 is the device block diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Figure 11 is the device block diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Figure 12 is the device block diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Figure 13 is the device block diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Figure 14 is the device block diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Figure 15 is the device block diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Figure 16 is the device block diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Figure 17 is the device block diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

Figure 18 is the device block diagram that another kind of the disclosure according to an exemplary embodiment determines cover image.

One structure diagram of a kind of electronic equipment of Figure 19 disclosure according to an exemplary embodiment.

One structure diagram of another electronic equipment of Figure 20 disclosure according to an exemplary embodiment.

Specific embodiment

Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.

It is only merely for the purpose of description specific embodiment in the term that the disclosure uses, and is not intended to be limiting the disclosure. " one kind " of singulative used in disclosure and the accompanying claims book, " described " and "the" are also intended to including majority Form, unless context clearly shows that other meanings.It is also understood that term "and/or" used herein refers to and wraps Containing one or more associated list items purposes, any or all may be combined.

It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the disclosure A little information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example, it is not departing from In the case of disclosure scope, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as One information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ... When " or " in response to determining ".

A kind of method of definite representative image is provided in the embodiment of the present disclosure, can be applied in electronic equipment.Above-mentioned electricity Sub- equipment can be smart mobile phone, PDA (Personal Digital Assistant, personal digital assistant), personal computer, The user terminals such as tablet computer, wearable device or server such as cloud server.

With reference to Fig. 1 according to a kind of method flow diagram of definite cover image shown in an exemplary embodiment, the method It may comprise steps of：

In a step 11, the characteristic information for the pre-set image that pre-set image set includes is obtained；

In the disclosure, above-mentioned pre-set image set can be the corresponding figure of image container such as an electron album or file Image set closes.Illustratively, it is assumed that user Xiao Ming gos to Paris, has taken 500 width images, can be incited somebody to action when arranging itinerary The 500 width images shot in travelling way are stored in the electron album or file of PC.By taking electron album as an example, Above-mentioned 500 width image is then above-mentioned pre-set image set.

In the embodiment of the present disclosure, above-mentioned pre-set image can be with any image in pre-set image set, and as above example, above-mentioned Pre-set image can be arbitrary piece image in above-mentioned 500 width image.During cover image is determined, electronic equipment can be with Obtain the characteristic information of each image.

In the disclosure, the characteristic information of above-mentioned image can be including at least one of following：The shooting geographical location letter of image Breath, the image characteristics extraction information of pre-set image.Wherein, the image characteristics extraction information of above-mentioned pre-set image can be the image back of the body Scape, contour of building etc. can represent the characteristics of image of scenery feature.

Wherein, if features described above information is the shooting geographical location information of image, following at least two side may be employed Formula obtains the shooting geographical location information of each image：

First way directly obtains the shooting geographical location information of the image from the image data of pre-set image

In such cases, electronic equipment can determine the geographical location letter in Image Acquisition place simultaneously when gathering image Breath, if positioning accuracy is less than 3 meters of GPS positioning information, wherein, above-mentioned positioning accuracy refers to the measurement position that positioner obtains Gap between theoretical position.Assuming that above-mentioned electronic equipment is smart mobile phone, smart mobile phone can be simultaneously when gathering image By the default positioner such as satellite positioning devices such as GPS positioning instrument, the geographical location where user's current taken image is determined The shooting geographical location information of information, i.e. pre-set image.It, can be by above-mentioned geography when completing Image Acquisition progress image storage Location information stores together as an attribute information of pre-set image, obtains the image data of the image.Subsequent electronic equipment The shooting geographical location information of the image can be directly acquired from the image data of above-mentioned pre-set image.

The second way, according to the shooting geographical location information of the relevant information indirect gain of the pre-set image image

If without storage shooting geographical location information in the image data of piece image, in such cases, electronic equipment can With the relevant information according to the image, such as label that user sets the image, the image phase issued in social networking application software Information is closed, above-mentioned photographed image-related information is such as that the circle of friends equipped with the image releases news, shares the image with certain contact person The information such as history chat record, artificial neural network (Artifical Neural Network) technology is utilized to carry out depth It practises, obtains the shooting geographical location information of the image.For example, according to the label " Eiffel Tower " of the image and the image The information such as the depth of field estimate the shooting geographical location information of the image.

If features described above information is the image characteristics extraction information of pre-set image, the image characteristics extraction of the pre-set image The acquisition process of information can be：Pre-set image feature is carried out using preset number image processing algorithm to a width original image to carry It takes, obtains the image characteristics extraction information of pre-set image.

Illustratively, it is assumed that pre-set image is picture of the user before Eiffel Tower, the raw image data of the image Include：Character image information and scene image information, wherein, the image which includes Eiffel Tower is believed Breath.In the embodiment of the present disclosure, preset number image processing algorithm such as contour detecting algorithm may be employed in electronic equipment, to above-mentioned The raw image data of pre-set image carries out pre-set image feature extraction, filters out the image information portion of Eiffel Tower.On The image information portion for stating Eiffel Tower belongs to the image characteristics extraction information of above-mentioned pre-set image.Alternatively, electronic equipment Character image information extraction is carried out to above-mentioned raw image data using preset number image processing algorithm, character image will be removed Remaining video information after information is determined as the image characteristics extraction information of above-mentioned pre-set image.

Characteristic information matches preset reference information in step 12, according to the characteristic information, obtains target image, described The characteristic information of target image and the preset reference information match；

It, can be with after characteristic information of the electronic equipment in above-mentioned pre-set image set is obtained per piece image in the disclosure Features described above information with preset reference information is matched, obtains target image.Alternatively, using matched mode one by one, After the characteristic information for often obtaining a width pre-set image, the characteristic information of the pre-set image is matched with preset reference information, If the characteristic information of the pre-set image and preset reference information match, are determined as target image by the image.

In the disclosure, above-mentioned target image postorder can directly be confirmed as the cover image of pre-set image set, alternatively, Spare cover image as above-mentioned pre-set image set.

Ibid, according to the difference of characteristic information, above-mentioned preset reference information can include at least one of following：Default scenery Geographical location information, the sample image information of the default scenery.For example, the sample image information of above-mentioned default scenery can be with It is the panoramic picture of Eiffel Tower.

Correspondingly, the implementation of above-mentioned steps 12 can include following at least three kinds of situations：

Situation one, above-mentioned preset reference information include at least one geographical location information with reference to scenery.Referring to Fig. 2 according to Another kind shown in one exemplary embodiment determines the flow chart of cover image, and above-mentioned steps 12 can include：

In step 1211, in the geographical location information of default scenery, the shooting obtained with the pre-set image is geographical The matched target geographic position information of location information；

It, can be and above-mentioned after the shooting geographical location information of a width pre-set image is determined in one embodiment of the disclosure The geographical location information of at least one default scenery is matched, and has searched whether matched target geographic position information.If so, Illustrate above-mentioned pre-set image it is possible that comprising the image information for presetting famous scenery, in other words, can judge accordingly above-mentioned default Image is that user presets taking a group photo for famous scenery with above-mentioned.If nothing, it may be determined that above-mentioned pre-set image be not user with it is pre- If famous scenery is taken a group photo, so that it is determined that above-mentioned pre-set image is not representative target image.

In another embodiment of the disclosure, electronic equipment can also in the pre-set image set is obtained all images After shooting geographical location information, geographical location information is carried out with the geographical location information of above-mentioned at least one default scenery Match somebody with somebody.

In the disclosure, when electronic equipment carries out geographical location information matching, it can be carried out according to predeterminated position matching precision Location matches, wherein, above-mentioned predeterminated position matching precision refers to and presets the effective distance between the geographical location of scenery, such as It can be 100 meters or 1000 meters etc. of circumference.Matching condition can be：The shooting geographical location of present image and the ground of default scenery It manages the distance between position and is not more than above-mentioned predeterminated position matching precision.Even the shooting of present image between default scenery Distance no more than above-mentioned default effective distance, then can determine the image letter for including above-mentioned default scenery in present image Breath, that is, it is target image to determine present image.

Above-mentioned predeterminated position matching precision can be system default set or electronic equipment pass through it is default man-machine Interactive interface obtains the information that user is manually entered, and the disclosure is not restricted this.

In the case of location matches precision is manually entered, can be user according to prior information it is customized, for knowing The effective distance of an other default scenery, for example, the location matches precision setting of a famous statue can will be identified as 50 meters, The location matches precision setting of a famous high-rise such as Eiffel Tower will be identified as 500 meters, according to default scenery The optical imaging concept of profile information and object sets the location matches precision of default scenery so that electronic equipment can be according to not It is matched with default scenery according to more accurate location matches precision into row positional information, so as to improve electronic equipment positioning front cover The accuracy of image.

In step 1212, the target image is determined according to the target geographic position information.

In the disclosure, above-mentioned target image can be directly used as the cover image of pre-set image set, alternatively, as upper State the spare cover image of pre-set image set.

Still by taking above-mentioned 500 images as an example, by the corresponding shooting geographical location information of above-mentioned 500 images, one by one with it is upper The geographical location information for stating at least one default scenery carries out geographical location information matching, obtains matching result.

If above-mentioned matching result instruction：The ground of the shooting geographical location information and above-mentioned default scenery of at least one image Reason information meets preset geographical position matching condition, i.e. the shooting geographical location information of at least one image with matching target Manage location information.

For each target geographic position information, following either type may be employed and determine target image：

The present image of above-mentioned satisfaction geography location matches condition can be determined as target image by mode one.

Both assuming that the geographical location information there are one the geographical location information and default scenery of image matches, such as Distance is in the range of above-mentioned predeterminated position matching precision.Assuming that the picture number of the above-mentioned present image for meeting location matches condition For 001, in one embodiment of the disclosure, present image 001 can be determined as target image by electronic equipment.

Mode two, electronic equipment can above-mentioned target geographic position information is corresponding, default scenery sample image, really It is set to target image.

Above-mentioned example is corresponded to, default geography information list can be preset in electronic equipment, which includes：Default scenery Title and the correspondence in geographical location residing for the default scenery, illustratively, as shown in Table 1：

Default scenery title	Geographical location information
		Eiffel Tower	First position information
Notre Dame de Paris	Second position information
		Arc De Triomphe	The third place information
Jardin du Luxembourg	4th location information
		……	……

Table one

Illustratively, it is assumed that target geographic position information corresponding with the geographical location information of above-mentioned image 001 is Ai Fei Geographical location information, that is, above-mentioned first position information of your steel tower.Then in the embodiment of the present disclosure, electronic equipment can also will be above-mentioned Target geographic position information corresponds to the sample image i.e. sample image of Eiffel Tower of scenery, is determined as above-mentioned target image. As above example, in the embodiment of the present disclosure, the sample image of Eiffel Tower can be determined as target image by electronic equipment, so as to The sample image of Eiffel Tower is determined as the cover image of pre-set image set according to presetting rule by postorder.

For more focusing on the user of image display effect, it is contemplated that the limitation of user's camera work, it can basis User demand, using shooting effect preferably, the sample image of default scenery as above-mentioned pre-set image set cover image, with Meet the individual demand of different user, promote user experience.

Situation two, above-mentioned preset reference information include the sample image information of at least one default scenery.

The flow chart of cover image, above-mentioned steps 12 are determined referring to another kinds of the Fig. 3 according to an exemplary embodiment It can include：

In step 1221, in the sample image information of the default scenery, the image with the pre-set image is obtained The target sample image of feature extraction information matches；

Similar with above-mentioned geographical location information matching process, electronic equipment is pre- to the width in above-mentioned pre-set image set After if image carries out feature extraction, the image characteristics extraction information of extraction result, that is, pre-set image of acquisition is preset with above-mentioned The sample image information of scenery carries out Image Feature Matching, obtains matching result.

In step 1222, the target image is determined according to the target sample image.

Similarly, in the embodiment of the present disclosure, the pre- of pre-set image matching condition will can be met in above-mentioned pre-set image set If image is determined as target image.Wherein, above-mentioned pre-set image matching condition can be：The image characteristics extraction letter of pre-set image Images match degree between breath and the sample image information of default scenery is more than predetermined threshold value.

Similarly, in another embodiment of the disclosure, target sample image that electronic equipment will can also be matched directly That is the sample image of object scene is determined as target image, when subsequently as cover image, user can be allowed to possess more Good visual experience.

Situation three, above-mentioned preset reference information include：The geographical location information of at least one default scenery and at least one The sample image information of default scenery.

The flow chart of cover image, above-mentioned steps 12 are determined referring to another kinds of the Fig. 4 according to an exemplary embodiment It can include：

In step 1231, characteristic matching is carried out according to fisrt feature information, obtains the first matching result, wherein, it is described Fisrt feature information includes：Shoot the image characteristics extraction information of geographical location information or pre-set image；

In step 1232, second feature information matches are carried out to the image in first matching result, obtain target Image.

In the embodiment of the present disclosure, if above-mentioned fisrt feature information is shooting geographical location information, the above-mentioned second default spy Levy the image characteristics extraction information for pre-set image；Conversely, if above-mentioned fisrt feature information carries for the characteristics of image of pre-set image It wins the confidence breath, then above-mentioned second feature information is shooting geographical location information.The embodiment of the present disclosure is intended to match by various features, The accuracy for determining target image is improved, the matched sequencing of characteristic information is not construed as limiting.

It illustratively, can be by ground of the shooting geographical location information of above-mentioned 500 width image first with above-mentioned default scenery It manages location information and carries out characteristic matching, obtain the image to be determined for meeting predeterminated position matching condition.In a scene, although in advance If the shooting geographical location information of image meets above-mentioned predeterminated position matching condition, but because the shooting of above-mentioned pre-set image angle not It is right, cause in the image and not comprising the image information of default scenery.It, can in order to accurately select representative cover image Further according to the image characteristics extraction information of image to be determined obtained in above-mentioned steps 11, described, to determine default figure Images match degree between the image characteristics extraction information of picture and the sample image of default scenery, the sample graph of the default scenery The corresponding sample image in geographical location as being the default scenery；It, will if described image matching degree is more than preset matching threshold value The pre-set image is determined as the target image.

In the embodiment of the present disclosure, can Image Feature Matching further be carried out to the image that step 1231 exports, first Target image is further matched on the basis of matching result, so as to improve the matched accuracy of target image.Above-mentioned images match The matching process that process can be described referring to the above situation one, situation two respectively, details are not described herein again.

In another embodiment of the disclosure, in any of the above-described character matching step such as step 1211, step 1221 or step Before 1231, before above-mentioned steps 11, as shown in figure 5, the method can also include：

In a step 101, the historical use data before acquisition described image set shooting time in preset time range；

Assuming that the starting shooting time node of above-mentioned pre-set image set is on January 1st, 2017, it is contemplated that user is starting Before travelling, some travel informations can be seeked advice from advance or do some travelling strategies etc., it can be according to acquisition based on this electronic equipment User, which travels, to be accustomed to, and obtains user in preset time range such as one month earlier, i.e. December 1~2016 year 12 in 2016 The historical use datas such as internet records of user in the range of month 31 Time of Day, can subsequently to analyze the trip mesh of the user Ground.

In a step 102, the preset reference information is determined by analyzing the historical use data.

For example, by artificial neural network technology from the relevant information of active user, above-mentioned pre-set image collection is such as obtained The information such as the historical communication of active user records in default historical period before closing shooting time, information inquiry records, depth The possible corresponding location information such as Paris of the pre-set image set is practised, and then is in advance wrapped above-mentioned place according to above-mentioned location information The geographical location of the famous scenery included, and/or, the reference image information of above-mentioned famous scenery is stored as reference information.Default In the case that reference information includes above- mentioned information, the priority of above-mentioned partial referencing information can be improved, makes electronic equipment true During fixing cover image, the preferential preset reference information higher for priority carries out information matches, improves the matching of target image Efficiency.

In step 13, the cover image of described image set is determined according to the target image.

In the embodiment of the present disclosure, electronic equipment can determine the surface plot of pre-set image set based on above-mentioned target image Picture, so that the front cover that definite cover image is subsequently arranged to above-mentioned pre-set image set is shown.

The implementation of above-mentioned steps 13 can include following at least two situation：

The first situation, the quantity of above-mentioned target image are less than or equal to the quantity of cover image to be determined, directly will be upper State the cover image that target image is determined as above-mentioned pre-set image set.

For example, it is assumed that the quantity of above-mentioned default cover image is 1, if the target image quantity that any of the above-described situation determines For 1, then the target image that above-mentioned steps 12 determine can be directly determined as to the cover image of above-mentioned pre-set image set.

The second situation, the quantity of above-mentioned target image is more than the quantity of cover image to be determined, according to each target figure The matching degree of picture determines cover image.

The implementation of this kind of situation is suitable for the either case of above-mentioned steps 12.Shown referring to Fig. 6 according to an exemplary embodiment The another kind gone out determines the flow chart of cover image, and above-mentioned steps 13 can include：

In step 131, the matching degree of each target image is determined；

Above-mentioned matching degree can be apart from matching degree and figure apart from matching degree, Image Feature Matching degree or according to above-mentioned As characteristic matching degree, the comprehensive matching number of degrees value gone out according to default weight calculation.

By taking Image Feature Matching degree as an example, it is assumed that according to above-mentioned steps 1221 and step 1222, from pre-set image set Match several target images, such as image 001, image 020, image 065, image 080, it, can be in the embodiment of the present disclosure Determine the matching degree between every width target image and corresponding sample image.

In step 132, the target image of default quantity is obtained according to the order of the matching degree from high to low, is determined as The cover image of the pre-set image set.

Still as above example, it is assumed that the matching degree between each target image and corresponding sample image, such as two institute of following table Show：

Table two

It, can be by matching degree in the embodiment of the present disclosure for example, if above-mentioned pre-set image set needs a cover image The target image that shown in highest target image, that is, table two, number is 065, is determined as cover image.Similarly, if default front cover Amount of images is 2, that is, represents to need that two images is selected to combine as cover image, then sort matching degree the target of the first two Image, as the two images of number respectively 065,080 in table two are determined as cover image.

On the mode and above-mentioned example apart from definite cover images such as matching degree, comprehensive matching degree according to target image Similar, details are not described herein again.

In another embodiment of the disclosure, if being also stored with other image sets for being provided with cover image in the electronic equipment It closes, can be described as history image set.The flow of cover image is determined referring to another kinds of the Fig. 7 according to an exemplary embodiment Figure, after above-mentioned steps 13, the method can also include：

At step 14, the similarity between the cover image of history image set and current cover image is determined；

Wherein, above-mentioned current cover image refers to the cover image currently determined for pre-set image set.Still with current true Exemplified by fixed cover image is an image, electronic equipment is after the cover image of a pre-set image set is determined, to avoid Current cover image compared with the cover image of above-mentioned history image set can identification it is relatively low, for above-mentioned pre-set image collection It closes before cover image is set, current cover image and each history image set can also be calculated according to associated picture matching algorithm Cover image between similarity, determine whether currently definite cover image easily generates vision with existing cover image and mixes Confuse, cause pre-set image set can identification it is relatively low.

In step 15, if the similarity is more than or equal to predetermined threshold value, the current cover image is updated.

In the embodiment of the present disclosure, can by similarity numerical value that step 14 obtains compared with predetermined threshold value such as 80%, If the similarity is more than or equal to above-mentioned predetermined threshold value, it is determined that needs replacing current cover image or based on current surface plot Other feature information as increasing above-mentioned pre-set image set so that current cover image is clearly distinguishable from history image set Updated cover image afterwards, can be arranged to the cover image of pre-set image set by cover image.It is if conversely, described Similarity is less than above-mentioned predetermined threshold value, illustrates that current cover image will not occur vision with the cover image of history image set and mix Confuse, current cover image can be arranged to the cover image of pre-set image set by postorder.

In the embodiment of the present disclosure, if current cover image is similar to the cover image of above-mentioned history image set, it can adopt The current cover image is updated with following either type：

Mode one adds default characteristic information in current cover image, such as adds the bat of above-mentioned pre-set image set Temporal information is taken the photograph, makes current cover image that there is distinguishing feature, user is facilitated to distinguish the cover image of history image set, is convenient for User quickly positions above-mentioned pre-set image set.

Mode two reselects cover image from above-mentioned target image list according to presetting rule, for example, by above-mentioned The target image that current cover image is only second to degree sequence is updated to the cover image of above-mentioned pre-set image set, is gone through with difference The cover image of history image collection.Above-mentioned updated cover image can be scenery compared with above-mentioned history cover image Background is identical, but includes the image of different character image information.

The specified image update of above-mentioned pre-set image set is determined as surface plot by mode three according to correlation technique acquiescence Picture.

Mode four, in the application interface for showing above-mentioned target image list, user's operation entrance is provided, for user Cover image is reselected in the target image allotted；User is obtained based on the image selection that above-mentioned target image list triggers to refer to Show information；According to described image indication information is selected to redefine cover image from remaining target image.

It is above-mentioned with reference to Fig. 8 according to a kind of application scenarios schematic diagram of definite cover image shown in an exemplary embodiment The cover image that each embodiment is determined for Current electronic photograph album, that is, photograph album 3 is as shown in figure 8, by target image, that is, Eiffel Tower Image is determined as the front cover of electron album 3, and user can be facilitated quickly to position the photograph album in visit Paris, promotes user experience.

In the embodiment of the present disclosure, when electronic equipment finds the surface plot of currently definite cover image and history image set During as having higher similarity, in order to enhance the conspicuousness of above-mentioned pre-set image set cover image, automatic or people can be passed through The mode that work manually selects updates current cover image, and active dodge is using the high image of similarity as present image set Cover image, by updated cover image improve above-mentioned pre-set image set can identification, facilitate user quick, directly perceived Ground positions pre-set image set, improves the intelligence degree of electronic equipment, promotes user experience.

For foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as to a series of combination of actions, but It is that those skilled in the art should know, the disclosure and from the limitation of described sequence of movement, because according to the disclosure, certain A little steps may be employed other orders or be carried out at the same time.

Secondly, those skilled in the art should also know, embodiment described in this description belongs to alternative embodiment, Necessary to involved action and the module not necessarily disclosure.

Corresponding with aforementioned applications function realizing method embodiment, the disclosure additionally provides application function realization device and phase The embodiment for the terminal answered.

Referring to a kind of device block diagram of definite cover images of the Fig. 9 according to an exemplary embodiment, described device can To include：

Feature acquisition module 21 is configured as obtaining the characteristic information for the pre-set image that pre-set image set includes；

Matching module 22 is configured as matching preset reference information according to the characteristic information, obtains target image；

Cover image determining module 23 is configured as determining the surface plot of described image set according to the target image Picture；

The device block diagram of cover image is determined referring to another kinds of the Figure 10 according to an exemplary embodiment, in Fig. 9 institutes On the basis of showing device embodiment, features described above acquisition module 21 includes following at least one submodule：

Fisrt feature acquisition submodule 211 is configured as obtaining the shooting geographical location information of the pre-set image；

Second feature acquisition submodule 212 is configured as by carrying out pre-set image feature extraction to the pre-set image, Obtain the image characteristics extraction information of the pre-set image.

In one device embodiment of the disclosure, the preset reference information can include：The ground of at least one default scenery Manage location information.Correspondingly, the device frame of cover image is determined referring to another kinds of the Figure 11 according to an exemplary embodiment Figure, on the basis of Fig. 9 shown device embodiments, the matching module 22 can include：

Location matches submodule 2211 is configured as in the geographical location information of the default scenery, obtain with it is described The matched target geographic position information of shooting geographical location information of pre-set image；

First object determination sub-module 2212 is configured as determining the target figure according to the target geographic position information Picture.

The device block diagram of cover image is determined referring to another kinds of the Figure 12 according to an exemplary embodiment, in Figure 11 institutes On the basis of showing device embodiment, the location matches submodule 2211 can include：

Matching precision determination unit 22111 is configured to determine that the predeterminated position matching precision of geographical location information；

Location matches unit 22112 is configured as the shooting geographical location information by described image according to the position It is matched with precision with preset geographical position information.

The device block diagram of cover image is determined referring to another kinds of the Figure 13 according to an exemplary embodiment, in Figure 11 institutes On the basis of showing device embodiment, the first object determination sub-module 2212 can include：

First object image determination unit 22121 is configured as the image for meeting predeterminated position matching condition being determined as The target image, the predeterminated position matching condition include：The shooting geographical location of described image and the geography of default scenery The distance between position meets predeterminated position matching precision；Alternatively,

Second target image determination unit 22122 is configured as the corresponding default scape of the target geographic position information The sample image of object is determined as the target image.

In another device embodiment of the disclosure, the preset reference information can include：At least one default scenery Sample image；

The device block diagram of cover image is determined referring to another kinds of the Figure 14 according to an exemplary embodiment, in Fig. 9 institutes On the basis of showing device embodiment, the matching module 22 can include：

Image Feature Matching submodule 2221 is configured as in the sample image information of the default scenery, obtain with The target sample image of the image characteristics extraction information matches of the pre-set image；

Second target determination sub-module 2222 is configured as determining the target image according to the target sample image.

The device block diagram of cover image is determined referring to another kinds of the Figure 15 according to an exemplary embodiment, in Fig. 9 institutes On the basis of showing device embodiment, the matching module 22 can include：

Initial matching submodule 2231 is configured as default according to the matching of the shooting geographical location information of the pre-set image The geographical location information of scenery；

Initial decision sub-module 2232, if being configured as the shooting geographical location of the pre-set image and the ground of default scenery The distance between position is managed in the range of pre-determined distance, it is include default scene image to be determined to determine the pre-set image Image；

Accurate matched sub-block 2233 is configured to determine that the image feature information of the image to be determined and default scenery Sample image between images match degree, the sample image of the default scenery corresponds to for the geographical location of the default scenery Sample image；

Target image determination sub-module 2234 is configured as the situation more than preset matching threshold value in described image matching degree Under, the pre-set image is determined as the target image.

In one embodiment of the disclosure, if the quantity of the target image is more than default cover image quantity, referring to Figure 16 Another kind according to an exemplary embodiment determines the device block diagram of cover image, in the base of Fig. 9 shown device embodiments On plinth, the cover image determining module 23 can include：

Matching degree determination sub-module 231 is configured to determine that the matching degree of each target image；

Cover image determination sub-module 232 is configured as obtaining present count according to the order of the matching degree from high to low The target image of amount is determined as the cover image of the pre-set image set.

The device block diagram of cover image is determined referring to another kinds of the Figure 17 according to an exemplary embodiment, in Fig. 9 institutes On the basis of showing device embodiment, described device can also include：

Similarity determining module 24 is configured to determine that between the cover image of history image set and current cover image Similarity；

Image update module 25 is configured as in the case where the similarity is more than or equal to predetermined threshold value, described in update Current cover image.

The device block diagram of cover image is determined referring to another kinds of the Figure 18 according to an exemplary embodiment, in Fig. 9 institutes On the basis of showing device embodiment, before above-mentioned matching module 22, described device can also include：

Data acquisition module 201 is configured as obtaining before described image set shooting time in preset time range Historical use data；

Reference information determining module 202 is configured as determining the preset reference by analyzing the historical use data Information.On the device in above-described embodiment, wherein modules perform the concrete mode of triggering in related this method It is described in detail in embodiment, explanation will be not set forth in detail herein.

For device embodiment, since it corresponds essentially to embodiment of the method, so related part is real referring to method Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein illustrating as separating component Module may or may not be physically separate, the component shown as module may or may not be Physical module, you can be located at a place or can also be distributed on multiple network modules.It can be according to the actual needs Some or all of module therein is selected to realize the purpose of disclosure scheme.Those of ordinary skill in the art are not paying wound In the case that the property made is worked, you can to understand and implement.

In addition, the disclosure additionally provides a kind of electronic equipment, which can include：Processor and for storage at Manage the memory of device executable instruction；

Wherein, processor is configured as：

The cover image of the pre-set image set is determined according to the target image；

It should be noted that other programs of memory storage, referring specifically to the description in previous methods flow, herein not It repeats again, processor is additionally operable to perform other programs of memory storage.

Figure 19 is a structure diagram of a kind of electronic equipment of the disclosure according to an exemplary embodiment.

With reference to Figure 19, for example, electronic equipment 1900 can be the mobile phone for having routing function, computer, number is extensively Broadcast terminal, messaging devices, game console, tablet device, Medical Devices, body-building equipment, personal digital assistant etc..

Equipment 1900 includes following one or more assemblies：Processing component 1902, memory 1904, power supply module 1909, Multimedia component 1908, audio component 1910, the interface 1912 of input/output (I/O), sensor module 1914 and communication Component 1916.

The whole triggering of 1902 usual control device 1900 of processing component, such as with display, call, data communication, Camera triggers and record triggers associated triggering.Processing component 1902 can be performed including one or more processors 1920 Instruction, to perform all or part of the steps of the methods described above.In addition, processing component 1902 can include one or more moulds Block, convenient for the interaction between processing component 1902 and other assemblies.For example, processing component 1902 can include multi-media module, To facilitate the interaction between multimedia component 1908 and processing component 1902.

Memory 1904 is configured as storing various types of data to support the triggering in equipment 1900.These data Example is included for the instruction of any application program or method that are triggered in equipment 1900, contact data, telephone book data, Message, picture, video etc..Memory 1904 can by any kind of volatibility or non-volatile memory device or they Combination is realized, such as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM), it is erasable can Program read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory Reservoir, disk or CD.

Power supply module 1909 provides electric power for the various assemblies of equipment 1900.Power supply module 1909 can include power management System, one or more power supplys and other generate, manage and distribute electric power associated component with for equipment 1900.

Multimedia component 1908 is included in the screen of one output interface of offer between equipment 1900 and user.At some In embodiment, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen Touch-screen is may be implemented as, to receive input signal from the user.Touch panel includes one or more touch sensors To sense the gesture on touch, slide, and touch panel.Touch sensor can not only sense the boundary of a touch or slide action, But also it detects and touch or the relevant duration and pressure of slide trigger.In some embodiments, multimedia component 1908 Including a front camera and/or rear camera.When equipment 1900 is in triggering pattern, such as screening-mode or video mode When, front camera and/or rear camera can receive external multi-medium data.Each front camera and postposition camera shooting Head can be a fixed optical lens system or have focusing and optical zoom capabilities.

Audio component 1910 is configured as output and/or input audio signal.For example, audio component 1910 includes a wheat Gram wind (MIC), when equipment 1900 is in triggering pattern, during such as call model, logging mode and speech recognition mode, microphone quilt It is configured to receive external audio signal.The received audio signal can be further stored in memory 1904 or via communication Component 1916 is sent.In some embodiments, audio component 1910 further includes a loud speaker, for exports audio signal.

I/O interfaces 1912 provide interface, above-mentioned peripheral interface module between processing component 1902 and peripheral interface module Can be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and Locking press button.

Sensor module 1914 includes one or more sensors, and the state for providing various aspects for equipment 1900 is commented Estimate.For example, sensor module 1914 can detect opening/closed state of equipment 1900, the relative positioning of component, such as group Part is the display and keypad of equipment 1900, and sensor module 1914 can be with 1,900 1 groups of detection device 1900 or equipment The position change of part, the existence or non-existence that user contacts with equipment 1900,1900 orientation of equipment or acceleration/deceleration and equipment 1900 temperature change.Sensor module 1914 can include proximity sensor, be configured to connect in no any physics It is detected the presence of nearby objects when tactile.Sensor module 1914 can also include optical sensor, as CMOS or ccd image are sensed Device, for being used in imaging applications.In some embodiments, which can also include acceleration sensing Device, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.

Communication component 1916 is configured to facilitate the communication of wired or wireless way between equipment 1900 and other equipment.If Standby 1900 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or combination thereof.It is exemplary at one In embodiment, communication component 1916 receives broadcast singal or broadcast correlation from external broadcasting management system via broadcast channel Information.In one exemplary embodiment, communication component 1916 further includes near-field communication (NFC) module, to promote short range communication. For example, radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) skill can be based in NFC module Art, bluetooth (BT) technology and other technologies are realized.

In the exemplary embodiment, equipment 1900 can be by one or more application application-specific integrated circuit (ASIC), number Signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for performing the above method.

In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided Such as include the memory 1904 of instruction, above-metioned instruction can be performed to complete the above method by the processor 1920 of equipment 1900.Example Such as, non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and Optical data storage devices etc..

A kind of non-transitorycomputer readable storage medium, when the instruction in storage medium is performed by the processor of equipment When so that equipment is able to carry out a kind of method of definite cover image, and this method includes：

As shown in figure 20, Figure 20 is shown according to a structure of another electronic equipment 2000 shown in an exemplary embodiment It is intended to.

For example, electronic equipment 2000 may be provided as a server.With reference to Figure 20, electronics, which sets 2000, includes processing component 2022, further comprise one or more processors and as the memory resource representated by memory 2032, for storing It can be by the instruction of the execution of processing component 2022, such as application program.The application program stored in memory 2032 can include It is one or more each correspond to the module of one group of instruction.In addition, processing component 2022 is configured as executing instruction, To perform the method for above-mentioned definite cover image.

Device 2000 can also include a power supply module 2026 and be configured as the power management of executive device 2000, one Wired or wireless network interface 2050 is configured as device 2000 being connected to network and input and output (I/O) interface 2058.Device 2000 can be operated based on the operating system for being stored in memory 2032, such as Android, IOS, Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or similar.

Wherein, when the instruction in the memory 2032 is performed by the processing component 2022 so that electronic equipment 2000 methods for being able to carry out above-mentioned definite cover image, including：

Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice invention disclosed herein Its embodiment.The disclosure is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or Person's adaptive change follows the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure Or conventional techniques.Description and embodiments are considered only as illustratively, and the true scope and spirit of the disclosure are by following Claim is pointed out.

It should be appreciated that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by appended claim.

Claims

A kind of 1. method of definite cover image, which is characterized in that the described method includes：

Obtain the characteristic information for the pre-set image that pre-set image set includes；

Preset reference information is matched according to the characteristic information, obtains target image, the characteristic information of the target image and institute State preset reference information match；

The cover image of described image set is determined according to the target image；

Wherein, the preset reference information includes at least one of following：The geographical location information of default scenery, the default scenery Sample image information.
2. the according to the method described in claim 1, it is characterized in that, pre-set image set pre-set image that includes of obtaining Characteristic information, including at least one of following：

Obtain the shooting geographical location information of the pre-set image；

By carrying out pre-set image feature extraction to the pre-set image, the image characteristics extraction letter of the pre-set image is obtained Breath.
3. according to the method described in claim 2, it is characterized in that, the preset reference information includes：At least one default scape The geographical location information of object；

It is described that preset reference information is matched according to the characteristic information, target image is obtained, including：

In the geographical location information of the default scenery, obtain matched with the shooting geographical location information of the pre-set image Target geographic position information；

The target image is determined according to the target geographic position information.
It is 4. according to the method described in claim 3, it is characterized in that, described according to determining the target geographic position information Target image, including any one of following：

The image for meeting predeterminated position matching condition is determined as the target image, the predeterminated position matching condition includes： The distance between the shooting geographical location of described image and the geographical location of default scenery meet predeterminated position matching precision；

By the sample image of the corresponding default scenery of the target geographic position information, it is determined as the target image.
5. according to the method described in claim 2, it is characterized in that, the preset reference information includes：At least one default scape The sample image information of object；

It is described that preset reference information is matched according to the characteristic information, target image is obtained, including：

In the sample image information of the default scenery, the image characteristics extraction information matches with the pre-set image are obtained Target sample image；

The target image is determined according to the target sample image.
6. according to the method described in claim 2, it is characterized in that, described match preset reference letter according to the characteristic information Breath obtains target image, including：

According to the geographical location information of the default scenery of shooting geographical location information matching of the pre-set image；

If the distance between the shooting geographical location of the pre-set image and the geographical location of default scenery are in pre-determined distance scope Interior, it is the image to be determined for including default scene image to determine the pre-set image；

Determine the images match degree between the image characteristics extraction information of the image to be determined and the sample image of default scenery, The sample image of the default scenery is the corresponding sample image in geographical location of the default scenery；

If described image matching degree is more than preset matching threshold value, the pre-set image is determined as the target image.
7. if according to the method described in claim 1, it is characterized in that, the quantity of the target image is more than default cover image Quantity, the cover image that the pre-set image set is determined according to target image, including：

Determine the matching degree of each target image；

The target image of default quantity is obtained according to the order of the matching degree from high to low, is determined as the pre-set image set Cover image.
8. according to the method described in claim 1, it is characterized in that, described image collection is determined according to the target image described After the cover image of conjunction, the method further includes：

Determine the similarity between the cover image of history image set and current cover image；

If the similarity is more than or equal to predetermined threshold value, the current cover image is updated.
9. according to any method of claim 1~8, which is characterized in that matched in advance according to the characteristic information described If before reference information, the method further includes：

Historical use data before acquisition described image set shooting time in preset time range；

The preset reference information is determined by analyzing the historical use data.
10. a kind of device of definite cover image, which is characterized in that described device includes：

Feature acquisition module is configured as obtaining the characteristic information for the pre-set image that pre-set image set includes；

Matching module is configured as matching preset reference information according to the characteristic information, obtains target image；

Cover image determining module is configured as determining the cover image of described image set according to the target image；

Wherein, the preset reference information includes at least one of following：The geographical location information of default scenery, the default scenery Sample image information.
11. device according to claim 10, which is characterized in that the feature acquisition module includes following at least one son Module：

Fisrt feature acquisition submodule is configured as obtaining the shooting geographical location information of the pre-set image；

Second feature acquisition submodule is configured as, by carrying out pre-set image feature extraction to the pre-set image, obtaining institute State the image characteristics extraction information of pre-set image.
12. according to the devices described in claim 11, which is characterized in that the preset reference information includes：It is at least one default The geographical location information of scenery；

The matching module, including：

Location matches submodule is configured as in the geographical location information of the default scenery, is obtained and the pre-set image The matched target geographic position information of shooting geographical location information；

First object determination sub-module is configured as determining the target image according to the target geographic position information.
13. device according to claim 12, which is characterized in that the first object determination sub-module, including：

First object image determination unit is configured as the image for meeting predeterminated position matching condition being determined as the target figure Picture, the predeterminated position matching condition include：Between the shooting geographical location of described image and the geographical location of default scenery Distance meets predeterminated position matching precision；

Second target image determination unit is configured as the sample graph of the corresponding default scenery of the target geographic position information Picture is determined as the target image.
14. according to the devices described in claim 11, which is characterized in that the preset reference information includes：It is at least one default The sample image information of scenery；

The matching module, including：

Image Feature Matching submodule is configured as in the sample image information of the default scenery, is obtained and is preset with described The target sample image of the image characteristics extraction information matches of image；

Second target determination sub-module is configured as determining the target image according to the target sample image.
15. according to the devices described in claim 11, which is characterized in that the matching module includes：

Initial matching submodule is configured as the ground of the default scenery of shooting geographical location information matching according to the pre-set image Manage location information；

Initial decision sub-module, if be configured as shooting geographical location and the default scenery of the pre-set image geographical location it Between distance in the range of pre-determined distance, it is the image to be determined for including default scene image to determine the pre-set image；

Accurate matched sub-block is configured to determine that the image characteristics extraction information of the image to be determined and the sample of default scenery Images match degree between this image, the sample image of the default scenery are the corresponding sample in geographical location of the default scenery This image；

Target image determination sub-module is configured as in the case where described image matching degree is more than preset matching threshold value, by institute It states pre-set image and is determined as the target image.
16. device according to claim 10, which is characterized in that if the quantity of the target image is more than default surface plot Picture quantity, the cover image determining module, including：

Matching degree determination sub-module is configured to determine that the matching degree of each target image；

Cover image determination sub-module is configured as obtaining the target of default quantity according to the order of the matching degree from high to low Image is determined as the cover image of the pre-set image set.
17. device according to claim 10, which is characterized in that described device further includes：

Similarity determining module is configured to determine that similar between the cover image of history image set and current cover image Degree；

Image update module is configured as, in the case where the similarity is more than or equal to predetermined threshold value, updating the current envelope Face image.
18. according to any device of claim 10~17, which is characterized in that described device further includes：

Data acquisition module, the historical user being configured as obtaining before described image set shooting time in preset time range Data；

Reference information determining module is configured as determining the preset reference information by analyzing the historical use data.
19. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, which is characterized in that the program The step of claim 1~9 any the method is realized when being executed by processor.
20. a kind of electronic equipment, which is characterized in that including：

Processor and the memory for storing processor-executable instruction；

Wherein, the processor is configured as：

Obtain the characteristic information for the pre-set image that pre-set image set includes；

Preset reference information is matched according to the characteristic information, obtains target image, the characteristic information of the target image and institute State preset reference information match；

The cover image of described image set is determined according to the target image；

Wherein, the preset reference information includes at least one of following：The geographical location information of default scenery, the default scenery Sample image information.