CN106407977B - Method and device for positioning and searching target content - Google Patents
Method and device for positioning and searching target content Download PDFInfo
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- CN106407977B CN106407977B CN201610804751.8A CN201610804751A CN106407977B CN 106407977 B CN106407977 B CN 106407977B CN 201610804751 A CN201610804751 A CN 201610804751A CN 106407977 B CN106407977 B CN 106407977B
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Abstract
The invention provides a method for positioning and searching target content, which comprises the following steps: receiving a photographing instruction, and acquiring an original image comprising an illumination area; searching a target image according to the position of the illumination area in the original image; according to the searched target image, identifying the content; and searching according to the identified content, and displaying a result matched with the content. The method can quickly determine the searched area through the illumination area, is more convenient to operate and has higher searching efficiency.
Description
Technical Field
The invention belongs to the field of image processing, and particularly relates to a method and a device for positioning and searching target content.
Background
With the development of science and technology, cameras are arranged on more and more electronic devices. The image acquired by the camera can facilitate the user to rapidly and effectively acquire the field data. For example, an image including topic information is shot by a camera of the learning machine, and text information in the image can be acquired by combining a text recognition tool. And matching is carried out according to the acquired text information, so that the title search can be effectively carried out.
In the image collected by the camera, the image required by the user may be a part of the area. For example, when recognizing characters in an image, the user only needs to recognize the content information including a part of the title. Therefore, the user typically intercepts the image. At present, the image capture mode is usually that a user adjusts the size of a selection box area to enable the selection box area to cover the subject to be captured by the user, after the adjustment is completed, a confirmation key is clicked to complete the image capture, then the content of the image capture is identified, and corresponding search is carried out according to the identification result.
Because the size of the selection frame needs to be adjusted for the image interception in the prior art, the click confirmation is all operated after the adjustment is completed, the interception operation process is troublesome, and the efficiency of image interception and search is not improved.
Disclosure of Invention
The invention aims to provide a method for positioning and searching target content, which aims to solve the problems that in the prior art, the size of a selection frame needs to be adjusted for image interception, click confirmation is performed after the adjustment is completed, the interception operation process is troublesome, and the efficiency of image interception and searching is not improved.
In a first aspect, an embodiment of the present invention provides a method for locating and searching target content, where the method includes:
receiving a photographing instruction, and acquiring an original image comprising an illumination area;
searching a target image according to the position of the illumination area in the original image;
according to the searched target image, identifying the content;
and searching according to the identified content, and displaying a result matched with the content.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the method further includes:
and receiving an illumination area adjusting instruction, and determining the size of the illumination area according to the adjusting instruction.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the receiving an illumination area adjustment instruction, and the determining the size of the illumination area according to the adjustment instruction specifically includes:
starting a camera and emitting a first light spot;
and adjusting the target image according to the position of the first light spot and the line feed identification of the character at the position of the first light spot.
With reference to the first aspect, in a third possible implementation manner of the first aspect, the receiving an illumination area adjustment instruction, and the determining, according to the adjustment instruction, a size of the illumination area specifically includes:
starting a camera and emitting a first light spot;
and receiving a touch adjustment instruction of a user, adjusting the width of the first light spot according to the transverse touch instruction, and adjusting the height of the first light spot according to the longitudinal touch instruction.
With reference to the first aspect, in a fourth possible implementation manner of the first aspect, before the searching according to the identified content and displaying the result matching the content, the method further includes:
switching the shape of the illumination area;
the step of searching according to the identified content and displaying the result matched with the content specifically comprises the following steps:
and searching a corresponding search type according to the shape of the illumination area, searching according to the search type and the identified content, and displaying a result matched with the content.
In a second aspect, an embodiment of the present invention provides a device for locating and searching target content, where the device includes:
the original image acquisition unit is used for receiving a photographing instruction and acquiring an original image comprising an illumination area;
the target image searching unit is used for searching a target image according to the position of the illumination area in the original image;
the image identification unit is used for identifying the content according to the searched target image;
and the searching unit is used for searching according to the identified content and displaying a result matched with the content.
With reference to the second aspect, in a first possible implementation manner of the second aspect, the apparatus further includes:
and the illumination area adjusting unit is used for receiving an illumination area adjusting instruction and determining the size of the illumination area according to the adjusting instruction.
With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the illumination area adjustment unit includes:
the first light spot transmitting subunit is used for starting the camera and transmitting a first light spot;
and the intelligent adjusting subunit is used for adjusting the target image according to the position of the first light spot and the line feed mark of the character at the position of the first light spot.
With reference to the first possible implementation manner of the second aspect, in a third possible implementation manner of the second aspect, the illumination area adjustment unit includes:
the second light spot transmitting subunit starts the camera and transmits the first light spot;
and the touch adjusting subunit is used for receiving a touch adjusting instruction of a user, adjusting the width of the first light spot according to the transverse touch instruction, and adjusting the height of the first light spot according to the longitudinal touch instruction.
With reference to the second aspect, in a fourth possible implementation manner of the second aspect, the apparatus further includes:
a shape switching unit for switching a shape of the illumination area;
the search unit is specifically configured to search for a corresponding search type according to the shape of the illumination area, perform a search according to the search type and the identified content, and display a result matched with the content.
In the invention, when a user carries out positioning search of target content, the user only needs to take a picture to obtain an original image comprising an illumination area, intercept the illumination area in the original image, identify the intercepted illumination area, carry out content matching search according to an identification result and display the matched result. The method can quickly determine the searched area through the illumination area, is more convenient to operate and has higher searching efficiency.
Drawings
Fig. 1 is a flowchart of an implementation of a method for searching for a target content according to a first embodiment of the present invention;
FIG. 2 is a flowchart of an implementation of a method for searching for a location of target content according to a second embodiment of the present invention;
fig. 3 is a flowchart of an implementation of a method for location search of target content according to a third embodiment of the present invention;
FIG. 4 is a flowchart of an implementation of a method for location search of target content according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of a device for locating and searching target content according to a fifth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention aims to provide a method for positioning and searching target content, which aims to solve the problems that in the prior art, in the process of acquiring a target area image, a user needs to select a frame on a shot image, and clicks a confirmation key after the frame selection is finished to generate a required image, and then identification and search are carried out according to the image. The content searching method requires a plurality of operation steps for the user, and the operation is troublesome, so that the efficiency of content positioning and searching is low. The invention will be further described with reference to the accompanying drawings.
The first embodiment is as follows:
fig. 1 shows an implementation flow of the target content location search method provided by the first embodiment of the present invention, which is detailed as follows:
in step S101, a photographing instruction is received, and an original image including an illumination area is acquired;
in the embodiment of the present invention, the photographing instruction may be triggered by a photographing key on the camera application interface. The camera application may be a camera program invoked by an application that needs to acquire an image of a target area.
The illumination area in the original image can be emitted by an LED lamp or a laser lamp arranged on the equipment. Two or more beam emitting tubes may be provided on the device to form two or more illumination areas. When the application program for acquiring the target area image calls the camera program, the light beam emission tube is opened, and when the called camera program is closed, the light beam emission tube is correspondingly closed. The size of the illumination area can be controlled by a hardware structure.
In this embodiment of the present invention, before receiving the photographing instruction, the method may further include:
and acquiring a starting instruction of an application program generated by a hardware switch, starting the camera according to the starting instruction, and opening the light beam emission tube. The image capturing application program can be an application program for searching by titles and the like.
The hardware switch according to the embodiment of the present invention may be a preset special switch for starting the image capturing application. Of course, the switch may be a new switch added to the terminal, may be defined by a certain switch based on the switch of the existing terminal, or may be a combination of two or two switches of the existing terminal.
The starting instruction can be triggered when the terminal is in a standby state or a shutdown state, and can also be triggered when the terminal is in an activation state of other application programs. And when the terminal is in the power-off state, triggering the terminal to be powered on, and then processing a starting instruction of the image capturing application program in the power-on state.
Of course, before this step, a step of receiving an illumination area adjustment instruction and determining the size of the illumination area according to the adjustment instruction may also be included. The illumination area adjustment instruction can be automatically adjusted, and can also receive fine adjustment of the user on the illumination area. The illumination area may be a predetermined size. Or selecting the illumination area with more use times according to the use record data.
In step S102, a target image is searched for according to the position of the illumination area in the original image;
specifically, the original image in the embodiment of the present invention refers to an image directly captured by a camera, and the original image includes part of information required by a user and part of information not required, so that the original image needs to be subjected to subsequent capturing processing. In the original image, when searching for a title, the original image also comprises pictures of other non-title contents besides a title picture required by a user. If the user uses all the contents in the original image to perform the title search, not only the search efficiency is reduced, but also the accuracy of the search is not improved.
The illumination area in the original image can be subjected to brightness detection, and when the brightness value obviously exceeds the position of the average brightness value in the image, the position of the illumination area can be determined.
In the embodiment of the present invention, the number of the illumination areas may be one, two, or more than two. The comparison and search can be carried out on the original image according to the number of the preset illumination areas, and the search of the illumination areas can be more accurate when the number of the searched illumination areas is the same as the preset number.
In step S103, content recognition is performed according to the searched target image.
In the embodiment of the present invention, the content identification may be performed locally by performing picture identification to obtain the content in the illumination area, so as to send the content to the topic server for topic matching, or perform topic matching locally. The content includes text, bar codes, etc.).
Of course, the content identification may also be performed by the server, the target image is received by the server, and after the target image is identified, the subsequent matching operation is performed.
In step S104, a search is performed based on the identified content, and a result matching the content is displayed.
The searched target image only occupies a part of the original image. Therefore, the search content determined by the illumination area has a higher accuracy of the effective characters to be matched than the content of the entire original image. For example, the original image includes 100 characters, but only 20 effective characters, so that when the original image is used for searching, on one hand, a large amount of search resources need to be wasted to complete invalid matching, and on the other hand, the matching accuracy is greatly reduced. And the search content determined by the illumination area only has 20 characters required by the user, so that the search efficiency and the search precision can be effectively improved.
When a user carries out positioning search on target content, the method only needs to acquire an original image comprising an illumination area by photographing, intercept the illumination area in the original image, identify the intercepted illumination area, carry out content matching search according to an identification result and display the matched result. The method can quickly determine the searched area through the illumination area, is more convenient to operate and has higher searching efficiency.
Example two:
fig. 2 shows an implementation flow of the target content location search method provided by the second embodiment of the present invention, which is detailed as follows:
in step S201, the camera is activated and emits a first spot of light.
Specifically, the starting of the camera in the embodiment of the present invention refers to the camera that is started when the application for searching adjusts the called camera application. The method comprises the steps of starting to emit a first light spot while starting the camera to acquire an original image, so that the original image acquired by the camera comprises an illumination area.
In step S202, a photographing instruction is received, and a target image is adjusted according to the position of the first light spot and the line feed mark of the text at the position of the first light spot.
In general, the area covered by the first light spot may not completely include all the content that the user needs to search for. In order to search and identify contents more intelligently, the invention searches areas through the position of the first light spot and the line feed identification of the character at the position of the first light spot, and determines a target image according to the search result, wherein the target image comprises more complete contents required by a user.
The line feed identifier is searched for, and whether the line feed identifier exists before the line can be determined according to whether two characters at the head of the line are blank. If the two characters at the head of the line are blank, a line feed identifier is included before the line, otherwise, no line feed identifier is included.
The position of the first light spot and two line feed marks adjacent to the first light spot can be used for determining a target image.
In step S203, content recognition is performed according to the searched target image.
In step S204, a search is performed based on the identified content, and a result matching the content is displayed.
The embodiment of the invention further introduces the automatic searching process of the illumination area on the basis of the first embodiment, and can accurately adjust the illumination area by searching the position of the first light spot and the line feed mark of the position, thereby acquiring more complete content and improving the searching precision.
Example three:
fig. 3 shows an implementation flow of the target content location search method provided by the third embodiment of the present invention, which is detailed as follows:
in step S301, the camera is activated and emits a first spot of light.
Specifically, the starting of the camera in the embodiment of the present invention refers to the camera that is started when the application for searching adjusts the called camera application. The method comprises the steps of starting to emit a first light spot while starting the camera to acquire an original image, so that the original image acquired by the camera comprises an illumination area.
In step S302, a touch adjustment instruction of a user is received, the width of the first light spot is adjusted according to the horizontal touch instruction, and the height of the first light spot is adjusted according to the vertical touch instruction.
The position of the illumination area can be adjusted by adjusting the direction of the light beam emission tube. The light beam emission tube can adjust the emission angle thereof through a driving motor, and the control end of the driving motor can be connected with a controller. The controller can generate a control instruction corresponding to the touch direction by detecting a specific area of the screen or a specific area of the device, so that the emission direction of the light beam emission tube is effectively controlled, and the purpose of adjusting the position of the illumination area is achieved.
The touch instruction comprises transverse touch and longitudinal touch, the width of the first light spot is reduced when the touch instruction slides leftwards can be defined, the width of the first light spot is increased when the touch instruction slides rightwards, the height of the first light spot is increased when the touch instruction slides upwards, and the height of the first light spot is reduced when the touch instruction slides downwards.
In step S303, a photographing instruction is received, and an original image including an illumination area is acquired.
In step S304, a target image is searched according to the position of the illumination area in the original image.
In step S305, content recognition is performed according to the searched target image.
In step S306, a search is performed based on the identified content, and a result matching the content is displayed.
On the basis of the first embodiment, the illumination area can be effectively adjusted through simple touch sliding in the upper direction, the lower direction, the left direction and the right direction, so that a user can quickly and conveniently match the illumination area with a target, the distance between equipment and a shooting page can be adjusted, the position of the same light beam transmitting tube can adapt to the function of searching target areas with different heights, and the device is convenient to use and high in accuracy.
Example four:
fig. 4 shows an implementation flow of the target content location search method provided by the fourth embodiment of the present invention, which is detailed as follows:
in step S401, the shape of the illumination area is switched.
In step S402, a photographing instruction is received, and an original image including an illumination area is acquired.
In step S403, a target image is searched according to the position of the illumination area in the original image.
The target image can be intelligently searched according to the mode of combining the position of the illumination area with the line feed identification.
In step S404, content recognition is performed according to the searched target image.
Specifically, the shape of the illumination area in the embodiment of the present invention may be a circle, a rectangle, a square, a triangle, or the like. The instruction for switching the shape of the illumination area can be triggered by a volume adjustment key of the equipment. For example, the shape of the illumination area may be switched in a first order by a volume-up key, and the shape of the illumination area may be switched in a second order by a volume-down key.
In step S405, a corresponding search type is searched for according to the shape of the illumination area, a search is performed according to the search type and the identified content, and a result matched with the content is displayed.
The corresponding relation between the shape of the illumination area and the search type is preset, and the corresponding search type can be found out. The search type comprises a bar code search type, a text topic search type and the like. And performing bar code identification or character identification according to the corresponding search type. The search type may also be classified according to the subject to which the topic belongs, such as a Chinese topic search type, a mathematical topic search type, and the like.
The embodiment of the invention is different from the second embodiment in that the embodiment of the invention further comprises switching the shape of the illumination area, and the search type is selected correspondingly according to the shape of the illumination area, so that the search efficiency of the content of the target image is effectively improved.
Example five:
fig. 5 is a schematic structural diagram of a device for locating and searching target content according to an embodiment of the present invention, which is detailed as follows:
the device for positioning and searching the target content in the embodiment of the invention comprises:
an original image acquiring unit 501, configured to receive a photographing instruction and acquire an original image including an illumination area;
a target image searching unit 502, configured to search a target image according to a position of an illumination area in the original image;
an image recognition unit 503, configured to perform content recognition according to the searched target image;
a searching unit 504, configured to perform a search according to the identified content, and display a result matching the content.
Preferably, the apparatus further comprises:
and the illumination area adjusting unit is used for receiving an illumination area adjusting instruction and determining the size of the illumination area according to the adjusting instruction.
Preferably, the illumination area adjusting unit includes:
the first light spot transmitting subunit is used for starting the camera and transmitting a first light spot;
and the intelligent adjusting subunit is used for adjusting the target image according to the position of the first light spot and the line feed mark of the character at the position of the first light spot.
Preferably, the illumination area adjusting unit includes:
the second light spot transmitting subunit starts the camera and transmits the first light spot;
and the touch adjusting subunit is used for receiving a touch adjusting instruction of a user, adjusting the width of the first light spot according to the transverse touch instruction, and adjusting the height of the first light spot according to the longitudinal touch instruction.
Preferably, the apparatus further comprises:
a shape switching unit for switching a shape of the illumination area;
the search unit is specifically configured to search for a corresponding search type according to the shape of the illumination area, perform a search according to the search type and the identified content, and display a result matched with the content.
The device for locating and searching target content according to the embodiment of the present invention corresponds to the method for locating and searching target content according to the first to fourth embodiments, and will not be repeated herein.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A method for locating and searching target content, the method comprising:
switching the shape of the illumination area;
receiving a photographing instruction, and acquiring an original image comprising an illumination area;
searching a target image according to the position of the illumination area in the original image;
according to the searched target image, identifying the content;
searching a search type corresponding to the shape of the illumination area according to a preset corresponding relation between the shape of the illumination area and the search type, searching according to the search type and the identified content, and displaying a result matched with the content, wherein the search type comprises a search type classified according to subjects.
2. The method of claim 1, further comprising:
and receiving an illumination area adjusting instruction, and determining the size of the illumination area according to the adjusting instruction.
3. The method according to claim 2, wherein the receiving of the illumination area adjustment instruction, and the determining the size of the illumination area according to the adjustment instruction specifically comprises:
starting a camera and emitting a first light spot;
and adjusting the target image according to the position of the first light spot and the line feed identification of the character at the position of the first light spot.
4. The method according to claim 2, wherein the receiving of the illumination area adjustment instruction, and the determining the size of the illumination area according to the adjustment instruction specifically comprises:
starting a camera and emitting a first light spot;
and receiving a touch adjustment instruction of a user, adjusting the width of the first light spot according to the transverse touch instruction, and adjusting the height of the first light spot according to the longitudinal touch instruction.
5. An apparatus for locating and searching target content, the apparatus comprising:
a shape switching unit for switching a shape of the illumination area;
the original image acquisition unit is used for receiving a photographing instruction and acquiring an original image comprising an illumination area;
the target image searching unit is used for searching a target image according to the position of the illumination area in the original image;
the image identification unit is used for identifying the content according to the searched target image;
and the searching unit is used for searching the searching type corresponding to the shape of the illumination area according to the preset corresponding relation between the shape of the illumination area and the searching type, searching according to the searching type and the identified content, and displaying a result matched with the content, wherein the searching type comprises a searching type classified according to subjects.
6. The apparatus of claim 5, further comprising:
and the illumination area adjusting unit is used for receiving an illumination area adjusting instruction and determining the size of the illumination area according to the adjusting instruction.
7. The apparatus of claim 6, wherein the illumination area adjusting unit comprises:
the first light spot transmitting subunit is used for starting the camera and transmitting a first light spot;
and the intelligent adjusting subunit is used for adjusting the target image according to the position of the first light spot and the line feed mark of the character at the position of the first light spot.
8. The apparatus of claim 6, wherein the illumination area adjusting unit comprises:
the second light spot transmitting subunit starts the camera and transmits the first light spot;
and the touch adjusting subunit is used for receiving a touch adjusting instruction of a user, adjusting the width of the first light spot according to the transverse touch instruction, and adjusting the height of the first light spot according to the longitudinal touch instruction.
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| CN108287895B (en) * | 2018-01-19 | 2020-11-06 | 广东小天才科技有限公司 | Dominant frame adjustment-based question searching method and system and handheld photographing device |
| CN108255344A (en) * | 2018-01-24 | 2018-07-06 | 广东小天才科技有限公司 | Question searching method and system applied to handheld photographing equipment and handheld photographing equipment |
| CN109491519A (en) * | 2018-10-09 | 2019-03-19 | 深圳市奥拓电子股份有限公司 | Air mouse method for tracing, system and machine readable storage medium |
| CN109359582B (en) * | 2018-10-15 | 2022-08-09 | Oppo广东移动通信有限公司 | Information searching method, information searching device and mobile terminal |
| CN109886266A (en) * | 2019-01-25 | 2019-06-14 | 邹玉平 | Method, relevant apparatus and the system of image procossing |
| CN111553366B (en) * | 2020-04-30 | 2023-05-16 | 广东小天才科技有限公司 | Question matching method and system |
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