CN105468716A - Picture search device and method, and terminal - Google Patents
Picture search device and method, and terminal Download PDFInfo
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- CN105468716A CN105468716A CN201510811147.3A CN201510811147A CN105468716A CN 105468716 A CN105468716 A CN 105468716A CN 201510811147 A CN201510811147 A CN 201510811147A CN 105468716 A CN105468716 A CN 105468716A
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/583—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
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Abstract
The invention discloses a picture search device, which comprises an extraction module, a generation module and a search module, wherein the extraction module is used for analyzing each picture in a picture library to extract picture characteristics; the generation module is used for generating a mapping relationship between the extracted picture characteristics and the corresponding picture; and the search module is used for receiving a picture search request input by a user and searching a target picture from the picture library according to the picture search request and the mapping relationship between the extracted picture characteristics and the corresponding picture. The invention also discloses a picture search method and a terminal. Picture search efficiency can be improved.
Description
Technical field
The present invention relates to picture processing field, particularly relate to a kind of picture searching device, method and terminal.
Background technology
Along with the memory size of the mobile devices such as mobile phone is increasing, the picture that user preserves in the internal memory of mobile device also gets more and more, when user wants to check certain pictures, and the general profile remembering regional area on picture that user is only fuzzy, user can only search by picture a sheet by a sheet, when the picture number preserved in internal memory is many, adopt search efficiency in this way low, Consumer's Experience also reduces along with the increase of the time of searching, especially in the mobile device of low configuration, the prestrain of a large amount of picture can seriously cause system card to pause, and even crashes.For above-mentioned defect, in prior art, propose to search according to shooting time or spot for photography, namely, when pictures taken, shooting time and spot for photography are preserved as the details of this picture, adopts this sample loading mode, improve picture searching efficiency to a certain extent, if but user does not know shooting time or the spot for photography of the Target Photo that will search, then cannot search according to shooting time or spot for photography, still can only to the picture in picture library one by one comparison search.
Summary of the invention
Fundamental purpose of the present invention is to propose a kind of picture searching device, method and terminal, is intended to solve in prior art, the inefficient technical matters of picture searching.
For achieving the above object, the invention provides a kind of picture searching device, this device comprises:
Extraction module, for analyzing each pictures in picture library, extracts picture feature;
Generation module, for the mapping relations of the picture feature with corresponding picture that generate described extraction;
Searching module, for receiving the picture searching request of user's input, and according to described picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, finding Target Photo.
Optionally, described extraction module, also for carrying out colour switching process to each pictures in picture library, extracts the contour feature of picture.
Optionally, described contour feature comprises the area of profile traces, profile traces institute enclosing region.
Optionally, search module described in comprise:
Searching unit, for receiving the picture searching request of user's input, according to described picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, finding multiple satisfactory picture;
Generation unit, for sorting to described multiple satisfactory picture according to preset rules, generates picture concerned list;
Processing unit, for receiving the selection instruction of user in described picture concerned list, using picture corresponding for described selection instruction as Target Photo.
Optionally, described generation unit, also for according to the similarity of profile traces and/or the area of profile traces institute enclosing region, sorts to described multiple satisfactory picture, generates picture concerned list.
In addition, for achieving the above object, the present invention also proposes a kind of terminal, comprises the picture searching device described in above-mentioned any one.
In addition, for achieving the above object, the present invention also proposes a kind of picture searching method, and the method comprises:
Each pictures in picture library is analyzed, extracts picture feature;
Generate the picture feature of described extraction and the mapping relations of corresponding picture;
Receive the picture searching request of user's input, and according to described picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, find Target Photo.
Optionally, describedly to analyze each pictures in picture library, the step extracting picture feature comprises:
Colour switching process is carried out to each pictures in picture library, extracts the contour feature of picture.
Optionally, described contour feature comprises the area of profile traces, profile traces institute enclosing region.
Optionally, the picture searching request of described reception user input, and according to described picture searching request and the picture feature mapping relations with corresponding picture, the step finding Target Photo in picture library comprises:
Receive the picture searching request of user's input, according to described picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, find multiple satisfactory picture;
According to preset rules, described multiple satisfactory picture is sorted, generate picture concerned list;
Receive the selection instruction of user in described picture concerned list, using picture corresponding for described selection instruction as Target Photo.
Optionally, describedly to sort to described multiple satisfactory picture according to preset rules, the step generating picture concerned list comprises:
According to the similarity of profile traces and/or the area of profile traces institute enclosing region, described multiple satisfactory picture is sorted, generate picture concerned list.
The picture searching device that the present invention proposes, method and terminal, this device comprises: extraction module, for analyzing each pictures in picture library, extracts picture feature; Generation module, for the mapping relations of the picture feature with corresponding picture that generate described extraction; Searching module, for receiving the picture searching request of user's input, and according to described picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, finding Target Photo; In the present invention, in advance each picture in picture library is analyzed, generate the picture feature of each picture, when receiving picture searching request, according to the picture feature of this picture searching request and each picture, can fast finding to Target Photo, raising picture searching efficiency.
Accompanying drawing explanation
Fig. 1 is the hardware configuration schematic diagram of the mobile terminal realizing each embodiment of the present invention;
Fig. 2 is the structural representation of an embodiment of picture searching device of the present invention;
Fig. 3 is the embodiment schematic diagram that in the present invention, user inputs picture searching request;
Fig. 4 carries out the embodiment schematic diagram after colour switching process to picture in the present invention;
Fig. 5 is the refined structure schematic diagram searching module in picture searching device of the present invention;
Fig. 6 is the schematic flow sheet of the first embodiment of picture searching method of the present invention;
Fig. 7 is the picture searching request of the reception user input in picture searching method of the present invention, and according to described picture searching request and picture feature and the mapping relations of corresponding picture, finds the detailed process schematic diagram of the step of Target Photo in picture library;
Fig. 8 is the schematic flow sheet of the second embodiment of picture searching method of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description, use the suffix of such as " module ", " parts " or " unit " for representing element only in order to be conducive to explanation of the present invention, itself is specific meaning not.Therefore, " module " and " parts " can mixedly use.
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can comprise the such as mobile terminal of mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player), guider etc. and the fixed terminal of such as digital TV, desk-top computer etc.Below, suppose that terminal is mobile terminal.But it will be appreciated by those skilled in the art that except the element except being used in particular for mobile object, structure according to the embodiment of the present invention also can be applied to the terminal of fixed type.
Fig. 1 is the hardware configuration signal of the mobile terminal realizing each embodiment of the present invention.
Mobile terminal 100 can comprise wireless communication unit 110, A/V (audio/video) input block 120, user input unit 130, sensing cell 140, output unit 150, storer 160, interface unit 170, controller 180 and power supply unit 190 etc.Fig. 1 shows the mobile terminal with various assembly, it should be understood that, does not require to implement all assemblies illustrated.Can alternatively implement more or less assembly.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assembly, and it allows the wireless communication between mobile terminal 100 and radio communication device or network.
A/V input block 120 is for audio reception or vision signal.A/V input block 120 can comprise camera 121, and the view data of camera 121 to the static images obtained by image capture apparatus in Video Capture pattern or image capture mode or video processes.Picture frame after process may be displayed on display unit 151.Picture frame after camera 121 processes can be stored in storer 160 (or other storage medium) or via wireless communication unit 110 and send, and can provide two or more cameras 121 according to the structure of mobile terminal.
User input unit 130 can generate key input data to control the various operations of mobile terminal according to the order of user's input.User input unit 130 allows user to input various types of information, and keyboard, the young sheet of pot, touch pad (such as, detecting the touch-sensitive assembly of the change of the resistance, pressure, electric capacity etc. that cause owing to being touched), roller, rocking bar etc. can be comprised.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch-screen can be formed.
Sensing cell 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close state), the position of mobile terminal 100, user for mobile terminal 100 contact (namely, touch input) presence or absence, the orientation of mobile terminal 100, the acceleration of mobile terminal 100 or speed is moved and direction etc., and generate order or the signal of the operation for controlling mobile terminal 100.Such as, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing cell 140 can sense this sliding-type phone and open or close.In addition, whether whether sensing cell 140 can detect power supply unit 190 provides electric power or interface unit 170 to couple with external device (ED).
Interface unit 170 is used as at least one external device (ED) and is connected the interface that can pass through with mobile terminal 100.Such as, external device (ED) can comprise wired or wireless head-band earphone port, external power source (or battery charger) port, wired or wireless FPDP, memory card port, for connecting the port, audio frequency I/O (I/O) port, video i/o port, ear port etc. of the device with identification module.Identification module can be that storage uses the various information of mobile terminal 100 for authentication of users and can comprise subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc.In addition, the device (hereinafter referred to " recognition device ") with identification module can take the form of smart card, and therefore, recognition device can be connected with mobile terminal 100 via port or other coupling arrangement.Interface unit 170 may be used for receive from external device (ED) input (such as, data message, electric power etc.) and the input received be transferred to the one or more element in mobile terminal 100 or may be used for transmitting data between mobile terminal and external device (ED).
Output unit 150 can comprise display unit 151 etc.
Display unit 151 may be displayed on the information of process in mobile terminal 100.Such as, when mobile terminal 100 is in telephone calling model, display unit 151 can show with call or other communicate (such as, text messaging, multimedia file are downloaded etc.) be correlated with user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern or image capture mode, display unit 151 can the image of display capture and/or the image of reception, UI or GUI that video or image and correlation function are shown etc.
Meanwhile, when display unit 151 and touch pad as a layer superposed on one another to form touch-screen time, display unit 151 can be used as input media and output unit.Display unit 151 can comprise at least one in liquid crystal display (LCD), thin film transistor (TFT) LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc.Some in these displays can be constructed to transparence and watch from outside to allow user, and this can be called transparent display, and typical transparent display can be such as TOLED (transparent organic light emitting diode) display etc.According to the specific embodiment wanted, mobile terminal 100 can comprise two or more display units (or other display device), such as, mobile terminal can comprise outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used for detecting touch input pressure and touch input position and touch and inputs area.
Storer 160 software program that can store process and the control operation performed by controller 180 etc., or temporarily can store oneself through exporting the data (such as, telephone directory, message, still image, video etc.) that maybe will export.And, storer 160 can store about when touch be applied to touch-screen time the vibration of various modes that exports and the data of sound signal.
Storer 160 can comprise the storage medium of at least one type, described storage medium comprises flash memory, hard disk, multimedia card, card-type storer (such as, SD or DX storer etc.), random access storage device (RAM), static random-access memory (SRAM), ROM (read-only memory) (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc.And mobile terminal 100 can be connected the memory function of execute store 160 network storage device with by network cooperates.
Controller 180 controls the overall operation of mobile terminal usually.Such as, controller 180 performs the control relevant to voice call, data communication, video calling etc. and process.In addition, controller 180 can comprise the multi-media module 181 for reproducing (or playback) multi-medium data, and multi-media module 181 can be configured in controller 180, or can be configured to be separated with controller 180.Controller 180 can pattern recognition process, is identified as character or image so that input is drawn in the handwriting input performed on the touchscreen or picture.
Power supply unit 190 receives external power or internal power and provides each element of operation and the suitable electric power needed for assembly under the control of controller 180.
Various embodiment described herein can to use such as computer software, the computer-readable medium of hardware or its any combination implements.For hardware implementation, embodiment described herein can by using application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, being designed at least one performed in the electronic unit of function described herein and implementing, in some cases, such embodiment can be implemented in controller 180.For implement software, the embodiment of such as process or function can be implemented with allowing the independent software module performing at least one function or operation.Software code can be implemented by the software application (or program) write with any suitable programming language, and software code can be stored in storer 160 and to be performed by controller 180.
So far, the mobile terminal according to its functional description.
Based on above-mentioned mobile terminal hardware configuration schematic diagram, each embodiment of picture searching device of the present invention is proposed.
With reference to the structural representation that Fig. 2, Fig. 2 are an embodiment of picture searching device of the present invention, this device comprises:
Extraction module 10, for analyzing each pictures in picture library, extracts picture feature;
Generation module 20, for the mapping relations of the picture feature with corresponding picture that generate this extraction;
Searching module 30, for receiving the picture searching request of user's input, and according to this picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, finding Target Photo.
This picture searching application of installation is in mobile terminal, and this mobile terminal is smart mobile phone, panel computer etc.
This picture feature comprises the contour feature of picture, the color characteristic etc. of picture, and the color characteristic of this picture can adopt color histogram to represent.Color histogram represents the ratio that different color is shared in entire image, and and the locus be indifferent to residing for often kind of color.The contour feature of picture comprises profile traces etc., and profile traces refers to the boundary line of contour edge, and e.g., profile traces is circular.
This extraction module 10 can be analyzed the Zone Full of each pictures in picture library or predeterminable area, extracts picture feature.This predeterminable area can be central region, left area, right area, upper edge region or lower edge regions.As, we are when taking pictures usually, are generally taken in the middle part of picture by destination object, user is when certain picture searched by needs, general is also the destination object remembered in picture, then this extraction module 10 can be analyzed the central region of each pictures in picture library, extracts picture feature.
By edge detection algorithm, each pictures in picture library is analyzed, obtain the contour feature of picture.Edge detection algorithm comprises: Roberts, Sobel, Prewitt, Canny, Laplacian, the operator such as Log and Second order directional detection method etc.
The picture feature extracted from each pictures can have multiple, and as in a pictures, the picture feature of extraction comprises contour feature for circular, rectangle, and namely profile traces is circular, rectangle.
The picture feature of extraction is set up mapping relations with corresponding picture by this generation module 20, as shown in Table 1.The picture feature that different pictures is corresponding can be identical.The picture feature that each pictures is corresponding can have multiple.
Table one:
| Picture | Picture feature |
| 1.jpg | Circular, square |
| 2.jpg | Square, triangle |
| 3.jpg | Circular, oval |
| 4.jpg | Rhombus, circle |
| 5.jpg | Rhombus, circle |
| ...... | …… |
This searches the picture searching request that module 30 receives user's input, this picture searching request comprises picture feature to be matched, concrete, picture searching request can be inputted at the default input area a of the touch-screen of mobile terminal, as shown in Figure 3, user touches input track t at this default input area a, its shape is circular, the picture feature generated according to this track and generation module 20 and the mapping relations of corresponding picture, find the picture that picture feature comprises this track t, when the picture searched only has one, the picture then this searched is as Target Photo, directly from picture library, read this picture, when the picture searched has multiple, the multiple pictures then this searched show at preview area with the form of thumbnail list, select for user, receive the selection instruction of user in this thumbnail list, using picture corresponding for selection instruction as Target Photo, from picture library, read this Target Photo.When the multiple pictures this searched show with the form of thumbnail list, can sort to each picture according to specific sortord, as, sort etc. according to picture shooting time, picture shooting place, picture size (referring to the storage size shared by picture, as 2Mb).As, in one embodiment, user is circular at the trajectory shape of this default input area input, in picture library, find picture feature comprise circular picture and have multiple, be respectively 1.jpg, 3.jpg, 4.jpg, 5.jpg, 7.jpg, 8.jpg, these six pictures are sorted according to shooting time, before picture near for shooting time is come, after picture far away for shooting time is come, and each picture is shown with the form of thumbnail list, user can easily from this thumbnail list select target picture.
Optionally, this picture feature to be matched can have multiple, this searches first picture feature to be matched that first module 30 receives user's input, then according to this first picture feature to be matched and the picture feature mapping relations with corresponding picture, the picture that picture feature comprises this first picture feature to be matched is found in picture library, and the picture found is shown with the form of thumbnail list, generate the first just list, then, receive second picture feature to be matched of user's input again, then according to this second picture feature to be matched and the picture feature mapping relations with corresponding picture, the picture that picture feature comprises this second picture feature to be matched is found in the first just list, and the picture found is shown with the form of thumbnail list, generate second picture list, then, if continue the 3rd picture feature to be matched receiving user's input successively, 4th picture feature to be matched etc., then continue to process according to the aforementioned processing mode receiving second feature to be matched, generate corresponding just list, then in the just list in the end generated, if only have a picture in the last just list generated, then using the picture in this just list as Target Photo, directly from picture library, read this picture, if the picture in the last just list generated has multiple, then receive the selection instruction in the just list that in the end generates of user, using picture corresponding for selection instruction as Target Photo, this Target Photo is read from picture library.
In one embodiment, this picture feature to be matched comprises circle and rectangle, and user first inputs circle, then inputs rectangle.Then this searches the circle that module 30 receives user's input, according to this circle and the picture feature mapping relations with corresponding picture, in picture library, find picture feature comprise circular picture, and comprise circular picture according to the picture feature found and generate the first just list (this first just list shows with the form of thumbnail), continue the rectangle receiving user's input, according to this rectangle and the picture feature mapping relations with corresponding picture, in this first just list, find picture feature comprise rectangular picture, when the picture searched only has one, the picture then this searched is as Target Photo, directly from picture library, read this picture, when the picture searched has multiple, the multiple pictures then this searched show with the form of thumbnail list, select for user, receive the selection instruction of user in this thumbnail list, using picture corresponding for selection instruction as Target Photo, by this Target Photo of reading from picture library.
Adopt above-described embodiment, in advance each picture in picture library is analyzed, generate the picture feature of each picture, when receiving picture searching request, according to the picture feature of this picture searching request and each picture, can fast finding to Target Photo, raising picture searching efficiency.
Further, this extraction module 10, also for carrying out colour switching process to each pictures in picture library, extracts the contour feature of picture.
Concrete, this extraction module carries out colour switching to each pictures in picture library and is treated to, color close in picture is classified as a color, make picture color sharp keen, clearly demarcated, the profile that formation one of being got up by joint area close for color is general, as shown in Figure 4, the profile t1 that the formation one that red and the color region b close with redness coupled together is circular, couples together the rectangular profile t2 of formation one by blue and the color region c close with blueness.
This extraction module 10 can carry out colour switching process to the Zone Full of each pictures in picture library or predeterminable area, extracts the contour feature of picture.This predeterminable area can be central region, left area, right area, upper edge region or lower edge regions.As, usually we are when taking pictures, destination object is generally taken in the middle part of picture, user is when certain picture searched by needs, general is also the destination object remembered in picture, then this extraction module 10 can carry out colour switching process to the central region of each pictures in picture library, extracts the contour feature of picture.
When carrying out colour switching process to each pictures in picture library, can carry out colour switching process according to the fog-level preset to picture, default fog-level is higher, when carrying out colour switching process to picture, color is sharper keen, clearly demarcated, and the profile finally formed is more accurate.Common, color is divided into 24 looks, in one embodiment, the fog-level preset can be 12, namely according to existing standard 24 look, by adjacent two color obfuscations, as a color (arbitrary color of these two adjacent colors available replaces), finally color is divided into 12 looks, if adjacent two colors are (R1, G1, B1), (R2, G2, B2), then these two colors all can be represented with (R1, G1, B1) or all represent with (R2, G2, B2); In another embodiment, the fog-level preset is 6, namely according to existing standard 24 look, by adjacent four color obfuscations, as a color (arbitrary color of these four adjacent colors available replaces), finally color is divided into 6 looks, if adjacent four colors are (R1, G1, B1), (R2, G2, B2), (R3, G3, B3), (R4, G4, B4), then these four colors all can be represented with (R1, G1, B1) or (R2, G2, B2) or (R3, G3, B3) or (R4, G4, B4).
This contour feature comprises the area of profile traces, profile traces institute enclosing region, also comprise ratio, the positional information of enclosing region institute of profile traces institute enclosing region, the color etc. of profile traces institute enclosing region that profile traces institute enclosing region accounts for picture overall area, this profile traces refers to the boundary line of contour edge, as comprised a red round sun at picture, then the profile traces comprised at this picture is for circular.As in one embodiment, when carrying out colour switching to the pictures in picture library and analyzing, the profile traces of the contour feature extracted is circular, rectangle, the area of circular institute enclosing region is m1, the ratio that circular institute enclosing region accounts for picture overall area is 20%, the positional information of circular institute enclosing region is: (also can be represented by coordinate) in the middle part of picture, and the color of circular institute enclosing region is red; The area of rectangle institute enclosing region is m2, the ratio that rectangle institute enclosing region accounts for picture overall area is 10%, the positional information of rectangle institute enclosing region is: picture top (also can be represented by coordinate), and the color of rectangle institute enclosing region is black.
Further, as shown in Figure 5, this is searched module 30 and comprises:
Searching unit 31, for receiving the picture searching request of user's input, according to this picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, finding multiple satisfactory picture;
Generation unit 32, for sorting to the plurality of satisfactory picture according to preset rules, generates picture concerned list;
Processing unit 33, for receiving the selection instruction of user in this picture concerned list, using picture corresponding for this selection instruction as Target Photo.
This searches the picture searching request that unit 31 receives user's input, this picture searching request comprises picture feature to be matched, this picture feature to be matched comprises profile traces, also can comprise the color of the area of profile traces institute enclosing region, profile traces institute enclosing region, picture feature as to be matched in this comprises circle, the area of circular institute enclosing region is m0, the color of circular institute enclosing region is redness; According to the mapping relations of picture feature with corresponding picture, in picture library, search picture feature is contour feature, and contour feature comprises circle, the area of circular institute enclosing region is m0, the color of circular institute enclosing region is red picture.In one embodiment, the picture searching request of user in the default input area input of the touch-screen of mobile terminal is received.
This generation unit 32 sorts to the multiple satisfactory picture found, to facilitate user's fast finding to Target Photo.This picture concerned list can show at the preview area of mobile terminal.This picture concerned list is thumbnail list.
In one embodiment, this generation unit 32 also for according to the similarity of profile traces and/or the area of profile traces institute enclosing region, sorts to the plurality of satisfactory picture, generates picture concerned list.
Optionally, this generation unit 32 sorts to the plurality of satisfactory picture according to the similarity of profile traces, concrete, this generation unit 32 sorts to multiple satisfactory picture from high to low by profile traces similarity, before coming by the picture that profile traces similarity is high, after being come by picture low for profile traces similarity, generate picture concerned list.
Optionally, this generation unit 32 sorts to the plurality of satisfactory picture according to the area of profile traces institute enclosing region, concrete, this generation unit 32 sorts to multiple satisfactory picture from big to small by the area of profile traces institute enclosing region, before coming by the picture that the area of profile traces institute enclosing region is large, after being come by picture little for the area of profile traces institute enclosing region, generate picture concerned list.
Optionally, this generation unit 32 sorts to multiple satisfactory picture according to the similarity of profile traces and the area of profile traces institute enclosing region, concrete, this generation unit 32 can first sort to multiple satisfactory picture according to profile traces similarity from high to low, then identical to profile traces similarity picture sorts from big to small according to the area of profile traces institute enclosing region, generates picture concerned list; Or first from big to small multiple satisfactory picture is sorted according to the area of profile traces institute enclosing region, then identical to the area of profile traces institute enclosing region picture sorts from high to low according to the similarity of profile traces, generates picture concerned list.
Further, the invention also discloses a kind of terminal, this terminal comprises the picture searching device of above-mentioned any embodiment.
With reference to the schematic flow sheet that Fig. 6, Fig. 6 are the first embodiment of picture searching method of the present invention, the method comprises:
S10, each pictures in picture library to be analyzed, extract picture feature.
This picture feature comprises the contour feature of picture, the color characteristic etc. of picture, and the color characteristic of this picture can adopt color histogram to represent.Color histogram represents the ratio that different color is shared in entire image, and and the locus be indifferent to residing for often kind of color.The contour feature of picture comprises profile traces etc., and profile traces refers to the boundary line of contour edge, and e.g., profile traces is circular.
In this step, can analyze the Zone Full of each pictures in picture library or predeterminable area, extract picture feature.This predeterminable area can be central region, left area, right area, upper edge region or lower edge regions.As, we are when taking pictures usually, are generally taken in the middle part of picture by destination object, user, when certain picture searched by needs, is also generally the destination object remembered in picture, then in this step, can analyze the central region of each pictures in picture library, extract picture feature.
By edge detection algorithm, each pictures in picture library is analyzed, obtain the contour feature of picture.Edge detection algorithm comprises: Roberts, Sobel, Prewitt, Canny, Laplacian, the operator such as Log and Second order directional detection method etc.
The picture feature extracted from each pictures can have multiple, and as in a pictures, the picture feature of extraction comprises contour feature for circular, rectangle, and namely profile traces is circular, rectangle.
S11, generate the picture feature of this extraction and the mapping relations of corresponding picture.
In this step, the picture feature of extraction is set up mapping relations with corresponding picture, as shown in Table 1.The picture feature that different pictures is corresponding can be identical.The picture feature that each pictures is corresponding can have multiple.
S12, receive the picture searching request of user's input, and according to this picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, find Target Photo.
Receive the picture searching request of user's input, this picture searching request comprises picture feature to be matched, concrete, picture searching request can be inputted at the default input area a of the touch-screen of mobile terminal, as shown in Figure 3, user touches input track t at this default input area a, its shape is circular), according to the mapping relations of the picture feature generated in this track and step S11 with corresponding picture, find the picture that picture feature comprises this track t, when the picture searched only has one, the picture then this searched is as Target Photo, directly from picture library, read this picture, when the picture searched has multiple, the multiple pictures then this searched show at preview area with the form of thumbnail list, select for user, receive the selection instruction of user in this thumbnail list, using picture corresponding for selection instruction as Target Photo, from picture library, read this Target Photo.When the multiple pictures this searched show with the form of thumbnail list, can sort to each picture according to specific sortord, as, sort etc. according to picture shooting time, picture shooting place, picture size (referring to the storage size shared by picture, as 2Mb).As, in one embodiment, user is circular at the trajectory shape of this default input area input, in picture library, find picture feature comprise circular picture and have multiple, be respectively 1.jpg, 3.jpg, 4.jpg, 5.jpg, 7.jpg, 8.jpg, these six pictures are sorted according to shooting time, before picture near for shooting time is come, after picture far away for shooting time is come, and each picture is shown with the form of thumbnail list, user can easily from this thumbnail list select target picture.
Optionally, this picture feature to be matched can have multiple, in this step, first first picture feature to be matched of user's input is received, then according to this first picture feature to be matched and the picture feature mapping relations with corresponding picture, the picture that picture feature comprises this first picture feature to be matched is found in picture library, and the picture found is shown with the form of thumbnail list, generate the first just list, then, receive second picture feature to be matched of user's input again, then according to this second picture feature to be matched and the picture feature mapping relations with corresponding picture, the picture that picture feature comprises this second picture feature to be matched is found in the first just list, and the picture found is shown with the form of thumbnail list, generate second picture list, then, if continue the 3rd picture feature to be matched receiving user's input successively, 4th picture feature to be matched etc., then continue to process according to the aforementioned processing mode receiving second feature to be matched, generate corresponding just list, then in the just list in the end generated, if only have a picture in the last just list generated, then using the picture in this just list as Target Photo, directly from picture library, read this picture, if the picture in the last just list generated has multiple, then receive the selection instruction in the just list that in the end generates of user, using picture corresponding for selection instruction as Target Photo, this Target Photo is read from picture library.
In one embodiment, this picture feature to be matched comprises circle and rectangle, and user first inputs circle, then inputs rectangle.Then in this step, receive the circle of user's input, according to this circle and the picture feature mapping relations with corresponding picture, in picture library, find picture feature comprise circular picture, and generate the first just list (this first just list shows with the form of thumbnail) according to the circular picture that comprises found, continue the rectangle receiving user's input, according to this rectangle and the picture feature mapping relations with corresponding picture, in this first just list, find picture feature comprise rectangular picture, when the picture searched only has one, the picture then this searched is as Target Photo, directly from picture library, read this picture, when the picture searched has multiple, the multiple pictures then this searched show with the form of thumbnail list, select for user, receive the selection instruction of user in this thumbnail list, using picture corresponding for selection instruction as Target Photo, by this Target Photo of reading from picture library.
Further, this is analyzed each pictures in picture library, extracts picture feature and comprises:
S110, colour switching process is carried out to each pictures in picture library, extract the contour feature of picture.
Concrete, carry out colour switching to each pictures in picture library to be treated to, color close in picture is classified as a color, make picture color sharp keen, clearly demarcated, the profile that formation one of being got up by joint area close for color is general, as shown in Figure 4, the profile t1 that the formation one that red and the color region b close with redness coupled together is circular, couples together the rectangular profile t2 of formation one by blue and the color region c close with blueness.
In this step, colour switching process can be carried out to the Zone Full of each pictures in picture library or predeterminable area, extract the contour feature of picture.This predeterminable area can be central region, left area, right area, upper edge region or lower edge regions.As, usually we are when taking pictures, destination object is generally taken in the middle part of picture, user is when certain picture searched by needs, general is also the destination object remembered in picture, then in this step, colour switching process can be carried out to the central region of each pictures in picture library, extract the contour feature of picture.
When carrying out colour switching process to each pictures in picture library, can carry out colour switching process according to the fog-level preset to picture, default fog-level is higher, when carrying out colour switching process to picture, color is sharper keen, clearly demarcated, and the profile finally formed is more accurate.Common, color is divided into 24 looks, in one embodiment, the fog-level preset can be 12, namely according to existing standard 24 look, by adjacent two color obfuscations, as a color (arbitrary color of these two adjacent colors available replaces), finally color is divided into 12 looks, if adjacent two colors are (R1, G1, B1), (R2, G2, B2), then these two colors all can be represented with (R1, G1, B1) or all represent with (R2, G2, B2); In another embodiment, the fog-level preset is 6, namely according to existing standard 24 look, by adjacent four color obfuscations, as a color (arbitrary color of these four adjacent colors available replaces), finally color is divided into 6 looks, if adjacent four colors are (R1, G1, B1), (R2, G2, B2), (R3, G3, B3), (R4, G4, B4), then these four colors all can be represented with (R1, G1, B1) or (R2, G2, B2) or (R3, G3, B3) or (R4, G4, B4).
This contour feature comprises the area of profile traces, profile traces institute enclosing region, also comprise ratio, the positional information of enclosing region institute of profile traces institute enclosing region, the color etc. of profile traces institute enclosing region that profile traces institute enclosing region accounts for picture overall area, this profile traces refers to the boundary line of contour edge, as comprised a red round sun at picture, then the profile traces comprised at this picture is for circular.As in one embodiment, when carrying out colour switching to the pictures in picture library and analyzing, the profile traces of the contour feature extracted is circular, rectangle, the area of circular institute enclosing region is m1, the ratio that circular institute enclosing region accounts for picture overall area is 20%, the positional information of circular institute enclosing region is: (also can be represented by coordinate) in the middle part of picture, and the color of circular institute enclosing region is red; The area of rectangle institute enclosing region is m2, the ratio that rectangle institute enclosing region accounts for picture overall area is 10%, the positional information of rectangle institute enclosing region is: picture top (also can be represented by coordinate), and the color of rectangle institute enclosing region is black.
Further, as shown in Figure 7, this step S12 comprises:
S121, receive the picture searching request of user's input, according to this picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, find multiple satisfactory picture.
Receive the picture searching request of user's input, this picture searching request comprises picture feature to be matched, this picture feature to be matched comprises profile traces, also can comprise the color of the area of profile traces institute enclosing region, profile traces institute enclosing region, picture feature as to be matched in this comprises circle, the area of circular institute enclosing region is m0, the color of circular institute enclosing region is redness; According to the mapping relations of picture feature with corresponding picture, in picture library, search picture feature is contour feature, and contour feature comprises circle, the area of circular institute enclosing region is m0, the color of circular institute enclosing region is red picture.In one embodiment, the picture searching request of user in the default input area input of the touch-screen of mobile terminal is received.
S122, according to preset rules, the plurality of satisfactory picture to be sorted, generate picture concerned list.
The multiple satisfactory picture found is sorted, to facilitate user's fast finding to Target Photo.This picture concerned list can show at the preview area of mobile terminal.This picture concerned list is thumbnail list.
In one embodiment, according to preset rules, the plurality of satisfactory picture is sorted, the step generating picture concerned list for: according to the similarity of profile traces and/or the area of profile traces institute enclosing region, the plurality of satisfactory picture is sorted, generates picture concerned list.
Optionally, according to the similarity of profile traces, the plurality of satisfactory picture is sorted, concrete, from high to low multiple satisfactory picture is sorted by profile traces similarity, before coming by the picture that profile traces similarity is high, after being come by picture low for profile traces similarity, generate picture concerned list.
Optionally, according to the area of profile traces institute enclosing region, the plurality of satisfactory picture is sorted, concrete, from big to small multiple satisfactory picture is sorted by the area of profile traces institute enclosing region, before coming by the picture that the area of profile traces institute enclosing region is large, after being come by picture little for the area of profile traces institute enclosing region, generate picture concerned list.
Optionally, according to the similarity of profile traces and the area of profile traces institute enclosing region, multiple satisfactory picture is sorted, concrete, can first sort to multiple satisfactory picture from high to low according to profile traces similarity, then identical to profile traces similarity picture sorts from big to small according to the area of profile traces institute enclosing region, generates picture concerned list; Or first from big to small multiple satisfactory picture is sorted according to the area of profile traces institute enclosing region, then identical to the area of profile traces institute enclosing region picture sorts from high to low according to the similarity of profile traces, generates picture concerned list.
S123, receive user in the selection instruction of this picture concerned list, using picture corresponding for this selection instruction as Target Photo.
With reference to the schematic flow sheet that Fig. 8, Fig. 8 are the second embodiment of picture searching method of the present invention, the method comprises:
S20, colour switching process is carried out to each pictures in picture library, extract picture feature.
This picture feature comprises the contour feature of picture, the color characteristic etc. of picture, and the color characteristic of this picture can adopt color histogram to represent.Color histogram represents the ratio that different color is shared in entire image, and and the locus be indifferent to residing for often kind of color.The contour feature of picture comprises the area of profile traces, profile traces institute enclosing region, also comprise ratio, the positional information of enclosing region institute of profile traces institute enclosing region, the color etc. of profile traces institute enclosing region that profile traces institute enclosing region accounts for picture overall area, this profile traces refers to the boundary line of contour edge, as comprised a red round sun at picture, then the profile traces comprised at this picture is for circular.As in one embodiment, when carrying out colour switching to the pictures in picture library and analyzing, the profile traces of the contour feature extracted is circular, rectangle, the area of circular institute enclosing region is m1, the ratio that circular institute enclosing region accounts for picture overall area is 20%, the positional information of circular institute enclosing region is: (also can be represented by coordinate) in the middle part of picture, and the color of circular institute enclosing region is red; The area of rectangle institute enclosing region is m2, the ratio that rectangle institute enclosing region accounts for picture overall area is 10%, the positional information of rectangle institute enclosing region is: picture top (also can be represented by coordinate), and the color of rectangle institute enclosing region is black.
Concrete, carry out colour switching to each pictures in picture library to be treated to, color close in picture is classified as a color, make picture color sharp keen, clearly demarcated, the profile that formation one of being got up by joint area close for color is general, as shown in Figure 4, the profile t1 that the formation one that red and the color region b close with redness coupled together is circular, couples together the rectangular profile t2 of formation one by blue and the color region c close with blueness.
In this step, colour switching process can be carried out to the Zone Full of each pictures in picture library or predeterminable area, extract picture feature.This predeterminable area can be central region, left area, right area, upper edge region or lower edge regions.As, we are when taking pictures usually, are generally taken in the middle part of picture by destination object, user, when certain picture searched by needs, is also generally the destination object remembered in picture, then in this step, can analyze the central region of each pictures in picture library, extract picture feature.
When carrying out colour switching process to each pictures in picture library, can carry out colour switching process according to the fog-level preset to picture, default fog-level is higher, when carrying out colour switching process to picture, color is sharper keen, clearly demarcated, and the profile finally formed is more accurate.Common, color is divided into 24 looks, in one embodiment, the fog-level preset can be 12, namely according to existing standard 24 look, by adjacent two color obfuscations, as a color (arbitrary color of these two adjacent colors available replaces), finally color is divided into 12 looks, if adjacent two colors are (R1, G1, B1), (R2, G2, B2), then these two colors all can be represented with (R1, G1, B1) or all represent with (R2, G2, B2); In another embodiment, the fog-level preset is 6, namely according to existing standard 24 look, by adjacent four color obfuscations, as a color (arbitrary color of these four adjacent colors available replaces), finally color is divided into 6 looks, if adjacent four colors are (R1, G1, B1), (R2, G2, B2), (R3, G3, B3), (R4, G4, B4), then these four colors all can be represented with (R1, G1, B1) or (R2, G2, B2) or (R3, G3, B3) or (R4, G4, B4).
The picture feature extracted from each pictures can have multiple, and as in a pictures, the picture feature of extraction comprises contour feature for circular, rectangle, and namely profile traces is circular, rectangle.
S21, generate the picture feature of this extraction and the mapping relations of corresponding picture.
In this step, the picture feature of extraction is set up mapping relations with corresponding picture, as shown in Table 1.The picture feature that different pictures is corresponding can be identical.The picture feature that each pictures is corresponding can have multiple.
S22, receive the picture searching request of user's input, according to this picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, find multiple satisfactory picture.
Receive the picture searching request of user's input, this picture searching request comprises picture feature to be matched, this picture feature to be matched comprises profile traces, also can comprise the color of the area of profile traces institute enclosing region, profile traces institute enclosing region, picture feature as to be matched in this comprises circle, the area of circular institute enclosing region is m0, the color of circular institute enclosing region is redness; According to the mapping relations of picture feature with corresponding picture, in picture library, search picture feature is contour feature, and contour feature comprises circle, the area of circular institute enclosing region is m0, the color of circular institute enclosing region is red picture.In one embodiment, the picture searching request of user in the default input area input of the touch-screen of mobile terminal is received.
S23, according to preset rules, the plurality of satisfactory picture to be sorted, generate picture concerned list.
The multiple satisfactory picture found is sorted, to facilitate user's fast finding to Target Photo.This picture concerned list can show at the preview area of mobile terminal.This picture concerned list is thumbnail list.
In one embodiment, according to preset rules, the plurality of satisfactory picture is sorted, the step generating picture concerned list for: according to the similarity of profile traces and/or the area of profile traces institute enclosing region, the plurality of satisfactory picture is sorted, generates picture concerned list.
Optionally, according to the similarity of profile traces, the plurality of satisfactory picture is sorted, concrete, from high to low multiple satisfactory picture is sorted by profile traces similarity, before coming by the picture that profile traces similarity is high, after being come by picture low for profile traces similarity, generate picture concerned list.
Optionally, according to the area of profile traces institute enclosing region, the plurality of satisfactory picture is sorted, concrete, from big to small multiple satisfactory picture is sorted by the area of profile traces institute enclosing region, before coming by the picture that the area of profile traces institute enclosing region is large, after being come by picture little for the area of profile traces institute enclosing region, generate picture concerned list.
Optionally, according to the similarity of profile traces and the area of profile traces institute enclosing region, multiple satisfactory picture is sorted, concrete, can first sort to multiple satisfactory picture from high to low according to profile traces similarity, then identical to profile traces similarity picture sorts from big to small according to the area of profile traces institute enclosing region, generates picture concerned list; Or first from big to small multiple satisfactory picture is sorted according to the area of profile traces institute enclosing region, then identical to the area of profile traces institute enclosing region picture sorts from high to low according to the similarity of profile traces, generates picture concerned list.
S24, receive user in the selection instruction of this picture concerned list, using picture corresponding for this selection instruction as Target Photo.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better embodiment.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computing machine, server, air conditioner, or the network equipment etc.) perform the method that each embodiment of the present invention is somebody's turn to do.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (11)
1. a picture searching device, is characterized in that, this device comprises:
Extraction module, for analyzing each pictures in picture library, extracts picture feature;
Generation module, for the mapping relations of the picture feature with corresponding picture that generate described extraction;
Searching module, for receiving the picture searching request of user's input, and according to described picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, finding Target Photo.
2. picture searching device as claimed in claim 1, is characterized in that, described extraction module, also for carrying out colour switching process to each pictures in picture library, extracts the contour feature of picture.
3. picture searching device as claimed in claim 2, it is characterized in that, described contour feature comprises the area of profile traces, profile traces institute enclosing region.
4. picture searching device as claimed in claim 3, is characterized in that, described in search module and comprise:
Searching unit, for receiving the picture searching request of user's input, according to described picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, finding multiple satisfactory picture;
Generation unit, for sorting to described multiple satisfactory picture according to preset rules, generates picture concerned list;
Processing unit, for receiving the selection instruction of user in described picture concerned list, using picture corresponding for described selection instruction as Target Photo.
5. picture searching device as claimed in claim 4, it is characterized in that, described generation unit, also for according to the similarity of profile traces and/or the area of profile traces institute enclosing region, described multiple satisfactory picture is sorted, generates picture concerned list.
6. a terminal, is characterized in that, comprises the picture searching device as described in any one of claim 1 to 5.
7. a picture searching method, is characterized in that, the method comprises:
Each pictures in picture library is analyzed, extracts picture feature;
Generate the picture feature of described extraction and the mapping relations of corresponding picture;
Receive the picture searching request of user's input, and according to described picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, find Target Photo.
8. picture searching method as claimed in claim 7, is characterized in that, describedly analyzes each pictures in picture library, and the step extracting picture feature comprises:
Colour switching process is carried out to each pictures in picture library, extracts the contour feature of picture.
9. picture searching method as claimed in claim 8, it is characterized in that, described contour feature comprises the area of profile traces, profile traces institute enclosing region.
10. picture searching method as claimed in claim 9, it is characterized in that, the picture searching request of described reception user input, and according to described picture searching request and the picture feature mapping relations with corresponding picture, the step finding Target Photo in picture library comprises:
Receive the picture searching request of user's input, according to described picture searching request and picture feature and the mapping relations of corresponding picture, in picture library, find multiple satisfactory picture;
According to preset rules, described multiple satisfactory picture is sorted, generate picture concerned list;
Receive the selection instruction of user in described picture concerned list, using picture corresponding for described selection instruction as Target Photo.
11. picture searching methods as claimed in claim 10, is characterized in that, describedly sort to described multiple satisfactory picture according to preset rules, and the step generating picture concerned list comprises:
According to the similarity of profile traces and/or the area of profile traces institute enclosing region, described multiple satisfactory picture is sorted, generate picture concerned list.
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