CN112181266B - Graphic code identification method, device, terminal and storage medium - Google Patents

Graphic code identification method, device, terminal and storage medium Download PDF

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Publication number
CN112181266B
CN112181266B CN201910605501.5A CN201910605501A CN112181266B CN 112181266 B CN112181266 B CN 112181266B CN 201910605501 A CN201910605501 A CN 201910605501A CN 112181266 B CN112181266 B CN 112181266B
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graphic code
graphic
identified
image
frame
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CN112181266A (en
Inventor
吴正山
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Tencent Technology Shenzhen Co Ltd
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Tencent Technology Shenzhen Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/04842—Selection of displayed objects or displayed text elements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404—Methods for optical code recognition
    • G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/1417—2D bar codes

Abstract

The embodiment of the invention discloses a graphic code identification method, a device, a terminal and a storage medium, wherein the graphic code identification method comprises the following steps: receiving a graphic code identification request; acquiring an image to be identified according to the graphic code identification request; when the image to be identified comprises a plurality of graphic codes, generating a graphic code identification interface according to the image to be identified; then, based on the selection operation of the graphic code identification interface by the user, the corresponding graphic code is identified, so that the identification efficiency of the two-dimensional code can be improved.

Description

Graphic code identification method, device, terminal and storage medium
Technical Field
The present invention relates to the field of image processing technologies, and in particular, to a method, an apparatus, a terminal, and a storage medium for identifying a graphic code.
Background
A graphic code is a carrier for carrying information or data, and common graphic codes include bar codes, two-dimensional codes, and the like.
Taking a two-dimensional code as an example, when receiving a two-dimensional code identification request, the terminal identifies the two-dimensional code according to the two-dimensional code identification request. However, when the image contains at least two-dimensional codes, the terminal randomly selects one two-dimensional code for recognition, and if the recognized two-dimensional code is not the two-dimensional code expected to be recognized by the user, the user needs to manually intercept the two-dimensional code expected to be recognized from the image for recognition, so that the recognition efficiency of the two-dimensional code is reduced.
Disclosure of Invention
The embodiment of the invention provides a method, a device, a terminal and a storage medium for identifying a graphic code, which can improve the identification efficiency of a two-dimensional code.
The embodiment of the invention provides a graphic code identification method, which comprises the following steps:
Receiving a graphic code identification request of a user;
Acquiring an image to be identified according to the graphic code identification request;
when the image to be identified comprises a plurality of graphic codes, generating a graphic code identification interface according to the image to be identified;
and identifying the graphic code corresponding to the target frame based on the touch operation of the user on the graphic code identification interface.
Correspondingly, the embodiment of the invention also provides a graphic code identification device, which comprises:
The receiving module is used for receiving the graphic code identification request;
the acquisition module is used for acquiring the image to be identified according to the graphic code identification request;
the generating module is used for generating a graphic code identification interface according to the image to be identified when the image to be identified acquired by the acquiring module comprises a plurality of graphic codes;
And the identification module is used for identifying the corresponding graphic code based on the selection operation of the user on the graphic code identification interface.
Optionally, in some embodiments of the present invention, the graphic code identification interface includes a plurality of candidate boxes, and the identification module includes:
an acquisition unit configured to acquire operation information of the selection operation;
a determining unit configured to determine a target frame among the plurality of candidate frames according to the operation information;
And the identification unit is used for identifying the graphic code in the target frame.
Optionally, in some embodiments of the present invention, the determining unit includes:
The first determining subunit is used for taking the current candidate frame as a target frame when the operation information meets a first preset condition, and displaying the current candidate frame in a preset proportion;
And the second determining subunit is used for removing the corresponding candidate frame on the graphic code identification interface when the operation information meets a second preset condition to obtain a graphic code reserved area, and obtaining the candidate frame in the graphic code reserved area to obtain a target frame.
Optionally, in some embodiments of the present invention, the operation information includes a first touch point, a pressing pressure, and a duration of continuous pressing, and the first determining subunit is specifically configured to:
Determining a current candidate frame in a plurality of candidate frames according to the first touch point;
And when the pressure value is larger than a first preset pressure value and the duration of the continuous pressing is longer than a first preset duration of the continuous pressing, taking the current candidate frame as a target frame, and displaying the current candidate frame in a preset proportion.
Optionally, in some embodiments of the present invention, the operation information includes at least one second touch point, a sliding speed, and a sliding distance, and the second determining subunit is specifically configured to:
Selecting a corresponding candidate frame according to at least one second touch point;
and when the sliding speed is greater than a preset speed and the sliding distance is greater than a preset distance, removing the corresponding candidate frame on the graphic code identification interface to obtain a graphic code reserved area.
Optionally, in some embodiments of the present invention, the identification unit is specifically configured to:
Determining a graphic code corresponding to the target frame to obtain a target graphic code;
determining the positioning point of the target graphic code;
and identifying the target graphic code according to the positioning point.
Optionally, in some embodiments of the present invention, the generating module is specifically configured to:
Analyzing the image to be identified based on a preset graphic code detection library to obtain a plurality of graphic codes to be identified;
Acquiring position information of a plurality of graphic codes to be identified in the image to be identified;
And generating a graphic code identification interface comprising a plurality of candidate frames according to the position information, wherein each candidate frame corresponds to one graphic code to be identified.
After receiving the graphic code identification request, the embodiment of the invention receives the graphic code identification request; acquiring an image to be identified according to the graphic code identification request; when the image to be identified comprises a plurality of graphic codes, generating a graphic code identification interface according to the image to be identified; then, based on the selection operation of the user on the graphic code identification interface, the corresponding graphic code is identified, so that the identification efficiency of the two-dimensional code can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1a is a schematic diagram of a graphic code recognition method according to an embodiment of the present invention;
FIG. 1b is a flowchart illustrating a method for identifying a graphic code according to an embodiment of the present invention;
FIG. 2a is a schematic diagram of another process of the method for identifying a graphic code according to an embodiment of the present invention;
FIG. 2b is a schematic diagram of a scenario in which a graphic code recognition interface is generated in the graphic code recognition method according to the embodiment of the present invention;
FIG. 2c is a schematic diagram of a scene of determining a target frame in the graphic code recognition method according to the embodiment of the present invention;
FIG. 3 is a schematic diagram of a graphic code recognition device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The graphic code identification method provided by the embodiment of the application can be used for realizing the identification of one image with multiple codes, namely, the identification of the appointed graphic code in the image with multiple graphic codes (refer to the image containing multiple graphic codes), and the applicable application scene can comprise a scanning code identification scene and a long-press identification scene. The following describes the graphic code recognition method under different application scenes. The embodiment of the application provides a method, a device, a terminal and a storage medium for identifying graphic codes.
The graphic code recognition apparatus may be integrated in a terminal as shown in fig. 1a, and may be installed in the terminal in the form of a client, such as a mobile phone, a tablet computer, or a personal computer (PC, personal Computer), for example.
For example, referring to fig. 1a, when a user needs to identify a graphic code, a terminal receives a graphic code identification request of the user and obtains an image to be identified according to the graphic code identification request. When the graphic code to be identified comprises a plurality of graphic codes, generating a graphic code identification interface according to the image to be identified, wherein the graphic code identification interface comprises a plurality of candidate frames. And then, the terminal determines a target frame in the multiple candidate frames based on the touch operation of the user on the graphic code identification interface, and finally, the terminal identifies the graphic code corresponding to the target frame.
The following will describe in detail. It should be noted that the following description order of embodiments is not a limitation of the priority order of embodiments.
A method of identifying a graphic code, comprising: receiving a graphic code identification request of a user, acquiring an image to be identified according to the graphic code identification request, generating a graphic code identification interface according to the image to be identified if the image to be identified comprises a plurality of graphic codes, wherein the graphic code identification interface comprises a plurality of candidate frames, determining a target frame in the plurality of candidate frames based on touch operation of the graphic code identification interface by the user, and identifying the graphic code corresponding to the target frame.
Referring to fig. 1b, fig. 1b is a flowchart illustrating a method for identifying a graphic code according to an embodiment of the invention. The specific flow of the graphic code identification method can be as follows:
101. A request for identification of a graphic code is received.
Wherein the user may be received to trigger the pattern recognition request by triggering a pattern recognition trigger key, such as the user may click a trigger key such as "swipe" or "recognize pattern", etc.
102. And acquiring the image to be identified according to the graphic code identification request.
The image to be identified can be stored locally in advance or can be obtained by shooting through a camera in real time, and the image to be identified is specific to the actual situation.
For example, specifically, the corresponding program and the image to be identified may be opened according to the graphic code identification request, and if the image to be identified includes a plurality of graphic codes, step 103 is executed. If there is only one graphic code in the identification image, step 105 is performed.
It should be noted that the type of the graphic code may include at least one of a one-dimensional code and a two-dimensional code, and the two-dimensional code may include at least one of a row-type two-dimensional code and a matrix-type two-dimensional code.
103. And when the image to be identified comprises a plurality of graphic codes, generating a graphic code identification interface according to the image to be identified.
The graphic code identification interface may include a plurality of candidate boxes, each of which corresponds to a graphic code. In addition, the graphic code recognition interface may further include a plurality of graphic codes, and the size of each candidate frame is adapted to the size of its corresponding graphic code.
Optionally, in some embodiments, the graphic code in the graphic to be identified may be parsed based on a preset graphic code detection library, that is, the step of "obtaining the image to be identified according to the graphic code identification request" may specifically include:
(11) And analyzing the image to be identified based on a preset graphic code detection library to obtain a plurality of graphic codes to be identified.
(12) And acquiring the position information of a plurality of graphic codes to be identified in the image to be identified.
(13) And generating a graphic code identification interface comprising a plurality of candidate frames according to the position information.
For example, the image to be identified may be input into a preset target detection model, and a plurality of graphic codes in the image to be identified may be classified based on the target detection model, and coordinates corresponding to each graphic code may be generated, where the coordinates are used to indicate position information of the graphic codes. Then, the terminal may call a corresponding program interface based on the location information and switch the current page to a page opened based on the program interface, thereby generating a graphic code recognition interface including a plurality of candidate frames.
In addition, the terminal stores a target detection model obtained by training in advance, and the target detection model can be obtained by training in deep learning and is used for identifying graphic codes in the image and outputting the position information of the graphic codes in the image.
104. Based on the selection operation of the graphic code identification interface by the user, the corresponding graphic code is identified.
The selection operation may include a sliding operation, a pressing operation, a tapping operation, or the like. For example, specifically, one of the plurality of candidate frames may be selected based on a pressing operation of the graphic code recognition interface by the user, and may be taken as the target frame. Further, it may be determined that the pressing operation information corresponds to the pressing operation, and the target frame is determined among the plurality of candidate frames, that is, the step of "identifying the corresponding graphic code based on the user selection operation of the graphic code identification interface" may include:
(21) Operation information of a selection operation is acquired.
(22) Determining a target frame in the plurality of candidate frames according to the operation information;
(23) And identifying the graphic code in the target frame.
Further, it may be determined whether the operation information satisfies a preset condition, and when the preset condition is satisfied, the target frame is determined among the plurality of candidate frames. It should be noted that, the manner of determining the target frame in the plurality of candidate frames may include directly selecting the target frame and indirectly selecting the target frame. That is, in some embodiments, the step of determining the target frame among the plurality of candidate frames according to the operation information may specifically include:
(31) When the operation information meets a first preset condition, the current candidate frame is taken as a target frame, and the current candidate frame is displayed in a preset proportion.
(32) And when the operation information meets a second preset condition, removing the corresponding candidate frame on the graphic code identification interface to obtain a graphic code reserved area, and obtaining the candidate frame in the graphic code reserved area to obtain the target frame.
Specifically, when the operation information meets a first preset condition, displaying the current candidate frame in a preset proportion, and taking the current candidate frame as a target frame.
Optionally, in some embodiments, the step of "when the operation information meets the first preset condition, displaying the current candidate frame in a preset proportion and taking the current candidate frame as the target frame" may specifically include:
(41) And determining a current candidate frame in the plurality of candidate frames according to the first touch point.
(42) And when the pressure value is larger than a first preset pressure value and the duration of continuous pressing is longer than a first preset duration of continuous pressing, displaying the current candidate frame in a preset proportion, and determining the current candidate frame as a target frame.
For example, the operation information may include a first touch point, a pressing pressure, and a duration of the continuous pressing. Firstly, a candidate frame selected by a user can be determined according to a first touch point, and then whether the pressing pressure is larger than a first preset pressure value is detected. And when the pressing pressure is larger than a first preset pressure value, detecting whether the duration of continuous pressing is longer than a first preset duration. And when the duration of continuous pressing is longer than the first preset duration, displaying the current candidate frame in a preset proportion, and determining the current candidate frame as a target frame. For example, when the duration of continuous pressing is longer than the first preset duration, the duration is 50%: a 50% scale, which refers to the ratio of the current candidate frame to the graphical code recognition interface, shows the current candidate frame.
Wherein the first preset pressure value, the first preset duration and the preset proportion are all preset, for example, the first preset pressure value is 5 newtons, the first preset duration is 1 second, and the preset proportion is 50%:50%. It should be noted that, when the pressing pressure is smaller than the first preset pressure value, the duration of the pressing is not detected, that is, the candidate frame selected by the first touch point is not the target frame.
In addition, it should be noted that, the corresponding candidate frame may be deleted according to the operation information, so as to obtain the target frame desired by the user, that is, the corresponding candidate frame may be deleted, so as to obtain the graphic code reserved area, so as to indirectly obtain the target frame, that is, optionally, in some embodiments, "when the operation information meets the second preset condition, the corresponding candidate frame is removed on the graphic code recognition interface, so as to obtain the graphic code reserved area", which may specifically further include:
(51) And selecting a corresponding candidate frame according to the second touch point.
(52) And when the sliding speed is greater than a preset speed threshold and the sliding distance is greater than a preset distance threshold, removing the corresponding candidate frame on the graphic code identification interface to obtain a graphic code reserved area.
The operation information may include a second touch point, a sliding speed, and a sliding distance. The difference from the previous embodiment is that: the number of second touch points may include at least one. For example, two candidate boxes are included on the graphic code recognition interface, and at this time, the number of the second touch points is one. For another example, five candidate boxes are included on the graphic code recognition interface, and at this time, the number of the second touch points is four.
Firstly, a candidate frame selected by a user can be determined according to the second touch point, and then whether the sliding speed is larger than a preset speed threshold value is detected. And when the sliding speed is greater than a preset speed threshold, detecting whether the sliding distance is greater than a preset distance threshold. And when the sliding distance is greater than a preset distance threshold, removing the corresponding candidate frame on the graphic code identification interface to obtain a graphic code reserved area. The preset speed threshold and the preset distance threshold may be preset, for example, the preset speed threshold is 1 m/s, and the preset distance threshold is 1 cm. It should be noted that, when the sliding speed is less than the preset speed threshold, the sliding distance is not detected, that is, the corresponding candidate frame may be retained.
The pattern code identification mode is various, and the pattern code identification mode is specifically selected according to the pattern type and the actual requirement. For example, taking a matrix two-dimensional code as an example, first, the positioning points of the matrix two-dimensional code may be determined, for example, the number of the positioning points is 3. And then, generating characteristic information of the matrix two-dimensional code based on the three positioning points, and calling the characteristic information, so as to jump to the content corresponding to the matrix two-dimensional code.
That is, optionally, in some embodiments, the step of "identifying the graphic code corresponding to the target frame" may specifically include:
(61) And determining the graphic code corresponding to the target frame to obtain the target graphic code.
(62) And determining the positioning point of the target graphic code.
(63) And identifying the target graphic code according to the positioning point.
After receiving a graphic code identification request of a user, the embodiment of the invention acquires an image to be identified according to the graphic code identification request, generates a graphic code identification interface according to the image to be identified if the image to be identified comprises a plurality of graphic codes, then determines a target frame in a plurality of candidate frames based on touch operation of the graphic code identification interface by the user, and finally identifies the graphic code corresponding to the target frame. Compared with the existing graphic code identification scheme, the two-dimensional code identification method and device can not only simultaneously identify a plurality of graphic codes in the same image, but also determine the target graphic code which accords with the user identification intention according to the touch operation of the user, so that the identification efficiency of the two-dimensional code can be improved.
The method according to the embodiment will be described in further detail by way of example.
In this embodiment, the specific integration of the graphic code recognition apparatus in the terminal will be described as an example.
Referring to fig. 2a, a specific process of the graphic code recognition method may be as follows:
201. The terminal receives a graphic code identification request.
The terminal may receive a trigger key for triggering the identification of the graphic code by triggering the identification of the graphic code, for example, the user may click a trigger key such as "swipe" or "identify the graphic code" to trigger the identification of the graphic code, and so on.
202. And the terminal acquires the image to be identified according to the graphic code identification request.
The image to be identified can be stored locally in advance or can be obtained by shooting through a camera in real time, and the image to be identified is specific to the actual situation.
For example, specifically, the terminal may open a corresponding program and an image to be identified according to the graphic code identification request, and if the image to be identified includes a plurality of graphic codes, the terminal executes step 203. If there is only one graphic code in the identification image, step 205 is performed.
It should be noted that the type of the graphic code may include at least one of a one-dimensional code and a two-dimensional code, and the two-dimensional code may include at least one of a row-type two-dimensional code and a matrix-type two-dimensional code.
203. And the terminal generates a graphic code identification interface according to the image to be identified.
The graphic code identification interface may include a plurality of candidate boxes, each of which corresponds to a graphic code. In addition, the graphic code recognition interface may further include a plurality of graphic codes, and the size of each candidate frame is adapted to the size of its corresponding graphic code.
Optionally, in some embodiments, the terminal may parse the image to be identified based on a preset graphic code detection library to obtain a plurality of graphic codes to be identified, then the terminal obtains position information of the plurality of graphic codes to be identified in the image to be identified, and finally the terminal generates the graphic code identification interface including the plurality of candidate frames according to the position information.
For example, referring to fig. 2b, the terminal acquires an image to be identified including a plurality of graphic codes. For example, during code-scanning payment, the terminal acquires a payment code image containing both a payment code a (corresponding to the a payment application) and a payment code B (corresponding to the B payment application). In this scenario, the terminal first parses the payment code image based on a preset graphic code detection library, to obtain a receipt code a and a receipt code B. Then, the terminal obtains the position information of the collection code A and the collection code B in the payment code image, and finally the terminal generates a graphic code identification interface comprising an A candidate frame and a B candidate frame according to the position information
204. The terminal determines a target frame from among the plurality of candidate frames based on a user selection operation of the graphic code recognition interface.
Wherein the selection operation may include a sliding operation or a pressing operation, etc. For example, specifically, one of the plurality of candidate frames may be selected based on a pressing operation of the graphic code recognition interface by the user, and may be taken as the target frame. Further, it is possible to determine the pressing operation information corresponding to the pressing operation, and to determine the target frame from among the plurality of candidate frames. That is, in some embodiments, the terminal may acquire operation information of the touch operation, and then the terminal determines the target frame from among the plurality of candidate frames according to the operation information.
For example, after the terminal generates the graphic code recognition interface including a plurality of candidate frames, the terminal may receive a touch operation determination target frame of a user on a certain candidate frame, as shown in fig. 2 c.
Further, the terminal may determine whether the operation information satisfies a preset condition, and when the preset condition is satisfied, the terminal determines a target frame among the plurality of candidate frames. It should be noted that, the manner of determining the target frame in the multiple candidate frames by the terminal may include that the terminal directly selects the target frame according to the touch operation of the user and that the terminal indirectly selects the target frame according to the touch operation of the user.
Optionally, in some embodiments, when the operation information meets a first preset condition, the terminal takes the current candidate frame as the target frame, and displays the current candidate frame in a preset proportion. And when the operation information meets a second preset condition, the terminal removes the corresponding candidate frame on the graphic code identification interface to obtain a graphic code reserved area, and obtains the candidate frame in the graphic code reserved area to obtain the target frame.
When the user completes one touch operation on the screen of the terminal, the terminal can acquire a plurality of notification events sent by the system, and the terminal can calculate a final target frame according to the events. When the user presses the screen of the one-time terminal, it can be expressed as follows:
Wherein touchX is an abscissa of a touch operation of a user on a terminal screen, touchY is an ordinate of a touch operation of a user on a terminal screen, mDownX is a transformed abscissa when pressed, mDownY is a transformed ordinate when pressed, mUpTouchX is a transformed abscissa after pressed, mUpTouchY is a transformed ordinate after pressed, and m is a constant.
When the user completes one sliding operation on the screen of the terminal, the terminal can acquire a plurality of notification events sent by the system, and the terminal can calculate a final target frame according to the events. When the user slides the screen of the one-time terminal, it can be expressed by the following formula:
after all the touch operations are completed, the final position of the target frame is calculated as follows:
Wherein T is a constant, typically 15, rect i is a candidate frame, i is the number of candidate frames, and d (x, y) =1 is the target frame finally calculated as above.
In addition, the terminal may determine a target frame, such as a pressing pressure, a duration of continuous pressing, and a pressing point, among the plurality of candidate frames according to operation information of the user pressing operation. The terminal may further determine the target frame from the multiple candidate frames according to operation information of the user's tapping operation, for example, the number of tapping times, the tapping position, and the time interval between adjacent tapping, which are specifically referred to the foregoing embodiments and will not be described herein.
Optionally, in some embodiments, when the operation information meets a second preset condition, the terminal removes the corresponding candidate frame on the graphic code identification interface to obtain the graphic code reserved area. The terminal may remove the corresponding candidate frame on the graphic code identification interface according to the second touch point, the pressing pressure, the duration of continuous pressing, the second tapping position, the tapping frequency, the sliding speed and the sliding distance, so as to obtain the graphic code reserved area, which is specifically referred to the previous embodiment and will not be described herein.
205. The terminal determines the location point of the graphic code.
206. And the terminal generates characteristic information of the graphic code according to the positioning point.
207. And the terminal calls the characteristic information and jumps to the content corresponding to the graphic code.
Taking a graphic code as a matrix two-dimensional code as an example, firstly, a terminal can determine positioning points of the matrix two-dimensional code, for example, the number of the positioning points is 3. And then, generating characteristic information of the matrix two-dimensional code based on the three positioning points, and calling the characteristic information, so as to jump to the content corresponding to the matrix two-dimensional code.
For example, after the terminal determines the target frame, the terminal identifies the graphic code in the target frame, for example, if the graphic code is a payment code, the terminal jumps to a corresponding payment interface after identifying the payment code, where the payment interface may include a payment amount and payee information.
As can be seen from the foregoing, after receiving a request for identifying a graphic code of a user, the terminal of this embodiment may obtain an image to be identified according to the request for identifying a graphic code, and when the image to be identified includes a plurality of graphic codes, generate a graphic code identification interface according to the image to be identified, so as to allow the user to perform a touch operation, then, the terminal may determine a target frame among a plurality of candidate frames based on the touch operations, determine a graphic code corresponding to the target frame, and identify a target graphic code according to a positioning point corresponding to the target graphic code after obtaining the target graphic code. Compared with the existing graphic code identification scheme, the scheme not only can simultaneously identify a plurality of graphic codes in the same image, but also can determine the target graphic code which accords with the user identification intention according to the touch operation of the user, so that the identification efficiency of the two-dimensional code can be improved.
In order to facilitate better implementation of the graphic code recognition method according to the embodiment of the present invention, the embodiment of the present invention further provides a graphic code recognition device (abbreviated as a recognition device) based on the above-mentioned graphic code recognition device. Wherein the meaning of nouns is the same as that in the above-mentioned graphic code recognition method, and specific implementation details can be referred to the description in the method embodiment.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a graphic code recognition device according to an embodiment of the present invention, where the recognition device may include a receiving module 301, an obtaining module 302, a generating module 303, and a recognition module 304, and may specifically be as follows:
the receiving module 301 is configured to receive a graphic code identification request.
The receiving module 301 may receive a trigger key for identifying a graphic code by triggering the graphic code, for example, the user may click a trigger key such as "swipe" or "identify graphic code" to trigger the graphic code identification request, and so on.
The acquiring module 302 is configured to acquire the image to be identified according to the graphic code identification request.
The image to be identified can be stored locally in advance or can be obtained by shooting through a camera in real time, and the image to be identified is specific to the actual situation.
For example, specifically, the acquiring module 302 may open a corresponding program and an image to be identified according to the graphic code identification request, and if the image to be identified includes a plurality of graphic codes, jump to the generating module 103. If there is only one graphic code in the identification image, the process jumps to the identification module 305.
And the generating module 303 is configured to generate a graphic code recognition interface according to the image to be recognized when the image to be recognized acquired by the acquiring module includes a plurality of graphic codes.
The graphic code identification interface may include a plurality of candidate boxes, each of which corresponds to a graphic code. In addition, the graphic code recognition interface can also comprise a plurality of graphic codes, and the size of each candidate frame is matched with the size of the corresponding graphic code
Optionally, in some embodiments, the generating module 303 is specifically configured to: analyzing the image to be identified based on a preset graphic code detection library to obtain a plurality of graphic codes to be identified, acquiring the position information of the graphic codes to be identified in the image to be identified, and generating a graphic code identification interface comprising a plurality of candidate frames according to the position information.
The identification module 304 is configured to identify a corresponding graphic code based on a selection operation of the graphic code identification interface by a user.
The selection operation may include a sliding operation, a pressing operation, a tapping operation, or the like. For example, specifically, the recognition module 304 may select one of the candidate frames as the target frame based on a pressing operation of the graphic code recognition interface by the user.
Optionally, in some embodiments, the identification module 304 may include:
and an acquisition unit configured to acquire operation information of the selection operation.
A determining unit configured to determine a target frame among the plurality of candidate frames according to the operation information;
And the identification unit is used for identifying the graphic code in the target frame.
Further, it may be determined whether the operation information satisfies a preset condition, and when the preset condition is satisfied, the target frame is determined among the plurality of candidate frames. It should be noted that, the manner of determining the target frame in the plurality of candidate frames may include directly selecting the target frame and indirectly selecting the target frame. That is, optionally, in some embodiments, the determining unit comprises:
and the first determination subunit is used for taking the current candidate frame as a target frame when the operation information meets a first preset condition, and displaying the current candidate frame in a preset proportion.
And the second determining subunit is used for removing the corresponding candidate frame on the graphic code identification interface when the operation information meets a second preset condition to obtain a graphic code reserved area, and obtaining the candidate frame in the graphic code reserved area to obtain the target frame.
Specifically, the first determining subunit is specifically configured to: and determining a current candidate frame in the plurality of candidate frames according to the first touch point, and displaying the current candidate frame in a preset proportion and determining the current candidate frame as a target frame when the pressure value is larger than a first preset pressure value and the duration of continuous pressing is longer than a first preset duration of continuous pressing.
In addition, it should be noted that, the corresponding candidate frame may be deleted according to the operation information, so as to obtain the target frame desired by the user, that is, the corresponding candidate frame may be deleted, so as to obtain the graphic code reserved area, so as to indirectly obtain the target frame, that is, optionally, in some embodiments,
Specifically, the second determining subunit is specifically configured to: selecting a corresponding candidate frame according to the second touch point; and when the sliding speed is greater than the preset speed and the sliding distance is greater than the preset distance, removing the corresponding candidate frame on the graphic code identification interface to obtain a graphic code reserved area.
The pattern code identification mode is various, and the pattern code identification mode is specifically selected according to the pattern type and the actual requirement. For example, taking a matrix two-dimensional code as an example, first, the identification unit may determine the anchor points of the matrix two-dimensional code, for example, the number of anchor points is 3. Then, the identification unit generates characteristic information of the matrix two-dimensional code based on the three positioning points and calls the characteristic information so as to jump to the content corresponding to the matrix two-dimensional code
That is, in some embodiments, the identification unit may be specifically configured to: and determining the graphic code corresponding to the target frame, obtaining the target graphic code, determining the positioning of the target graphic code, and identifying the target graphic code according to the positioning point.
In the implementation, each unit may be implemented as an independent entity, or may be implemented as the same entity or several entities in any combination, and the implementation of each unit may be referred to the foregoing method embodiment, which is not described herein again.
It can be seen that, after receiving the request for identifying the graphic code, the obtaining module 302 may obtain the image to be identified according to the request for identifying the graphic code, and when the image to be identified includes a plurality of graphic codes, the generating module 303 generates the graphic code identification interface according to the image to be identified, and then the identifying module 304 identifies the corresponding graphic code based on the selection operation of the user on the graphic code identification interface. Compared with the existing graphic code identification scheme, the scheme not only can simultaneously identify a plurality of graphic codes in the same image, but also can determine the target graphic code which accords with the user identification intention according to the touch operation of the user, so that the identification efficiency of the two-dimensional code can be improved.
Correspondingly, the embodiment of the invention also provides a terminal, as shown in fig. 4, which may include a Radio Frequency (RF) circuit 401, a memory 402 including one or more computer readable storage media, an input unit 403, a display unit 404, a sensor 405, an audio circuit 406, a wireless fidelity (WiFi, wireless Fidelity) module 407, a processor 408 including one or more processing cores, and a power supply 409. It will be appreciated by those skilled in the art that the terminal structure shown in fig. 4 is not limiting of the terminal and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components. Wherein:
The RF circuit 401 may be used for receiving and transmitting signals during the process of receiving and transmitting information or communication, in particular, after receiving downlink information of a base station, the downlink information is processed by one or more processors 408; in addition, data relating to uplink is transmitted to the base station. Typically, RF circuitry 401 includes, but is not limited to, an antenna, at least one amplifier, a tuner, one or more oscillators, a subscriber identity module (SIM, subscriber Identity Module) card, a transceiver, a coupler, a low noise amplifier (LNA, low Noise Amplifier), a duplexer, and the like. In addition, the RF circuitry 401 may also communicate with networks and other devices through wireless communications. The wireless communication may use any communication standard or protocol including, but not limited to, global system for mobile communications (GSM, global System of Mobile communication), universal packet Radio Service (GPRS, general Packet Radio Service), code division multiple access (CDMA, code Division Multiple Access), wideband code division multiple access (WCDMA, wideband Code Division Multiple Access), long term evolution (LTE, long Term Evolution), email, short message Service (SMS, short MESSAGING SERVICE), and the like.
The memory 402 may be used to store software programs and modules, and the processor 408 may execute various functional applications and data processing by executing the software programs and modules stored in the memory 402. The memory 402 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the terminal, etc. In addition, memory 402 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device. Accordingly, the memory 402 may also include a memory controller to provide access to the memory 402 by the processor 408 and the input unit 403.
The input unit 403 may be used to receive input numeric or character information and to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, in one particular embodiment, input unit 403 may include a touch-sensitive surface, as well as other input devices. The touch-sensitive surface, also referred to as a touch display screen or a touch pad, may collect touch operations thereon or thereabout by a user (e.g., operations thereon or thereabout by a user using any suitable object or accessory such as a finger, stylus, etc.), and actuate the corresponding connection means according to a predetermined program. Alternatively, the touch-sensitive surface may comprise two parts, a touch detection device and a touch controller. The touch detection device detects the touch azimuth of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device and converts it into touch point coordinates, which are then sent to the processor 408, and can receive commands from the processor 408 and execute them. In addition, touch sensitive surfaces may be implemented in a variety of types, such as resistive, capacitive, infrared, and surface acoustic waves. In addition to the touch-sensitive surface, the input unit 403 may also comprise other input devices. In particular, other input devices may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, mouse, joystick, etc.
The display unit 404 may be used to display information input by a user or information provided to the user and various graphical user interfaces of the terminal, which may be composed of graphics, text, icons, video and any combination thereof. The display unit 404 may include a display panel, which may optionally be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like. Further, the touch-sensitive surface may overlay a display panel, and upon detection of a touch operation thereon or thereabout, the touch-sensitive surface is communicated to the processor 408 to determine a type of touch event, and the processor 408 then provides a corresponding visual output on the display panel based on the type of touch event. Although in fig. 4 the touch sensitive surface and the display panel are implemented as two separate components for input and output functions, in some embodiments the touch sensitive surface may be integrated with the display panel to implement the input and output functions.
The terminal may also include at least one sensor 405, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel according to the brightness of ambient light, and a proximity sensor that may turn off the display panel and/or backlight when the terminal moves to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and the direction when the mobile phone is stationary, and can be used for applications of recognizing the gesture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; other sensors such as gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc. that may also be configured in the terminal are not described in detail herein.
Audio circuitry 406, speakers, and a microphone may provide an audio interface between the user and the terminal. The audio circuit 406 may transmit the received electrical signal after audio data conversion to a speaker, where the electrical signal is converted to a sound signal for output; on the other hand, the microphone converts the collected sound signals into electrical signals, which are received by the audio circuit 406 and converted into audio data, which are processed by the audio data output processor 408 for transmission to, for example, another terminal via the RF circuit 401, or which are output to the memory 402 for further processing. Audio circuitry 406 may also include an ear bud jack to provide communication of the peripheral ear bud with the terminal.
The WiFi belongs to a short-distance wireless transmission technology, and the terminal can help the user to send and receive e-mail, browse web pages, access streaming media and the like through the WiFi module 407, so that wireless broadband internet access is provided for the user. Although fig. 4 shows a WiFi module 407, it is understood that it does not belong to the essential constitution of the terminal, and can be omitted entirely as required within the scope of not changing the essence of the invention.
The processor 408 is a control center of the terminal, and connects various parts of the entire mobile phone using various interfaces and lines, and performs various functions of the terminal and processes data by running or executing software programs and/or modules stored in the memory 402, and calling data stored in the memory 402, thereby performing overall detection of the mobile phone. Optionally, the processor 408 may include one or more processing cores; preferably, the processor 408 may integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 408.
The terminal also includes a power supply 409 (e.g., a battery) for powering the various components, which may be logically connected to the processor 408 through a power management system that performs functions such as managing charge, discharge, and power consumption. The power supply 409 may also include one or more of any of a direct current or alternating current power supply, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
Although not shown, the terminal may further include a camera, a bluetooth module, etc., which will not be described herein. In this embodiment, the processor 408 in the terminal loads executable files corresponding to the processes of one or more application programs into the memory 402 according to the following instructions, and the processor 408 executes the application programs stored in the memory 402, so as to implement various functions:
After receiving the graphic code identification request, acquiring an image to be identified according to the graphic code identification request, generating a graphic code identification interface according to the image to be identified when the image to be identified comprises a plurality of graphic codes, and identifying the corresponding graphic codes based on the selection operation of a user on the graphic code identification interface.
After receiving a graphic code identification request, the embodiment of the invention acquires an image to be identified according to the graphic code identification request, generates a graphic code identification interface according to the image to be identified when the image to be identified comprises a plurality of graphic codes, and identifies the corresponding graphic codes based on the selection operation of a user on the graphic code identification interface. Compared with the existing graphic code identification scheme, the two-dimensional code identification method and device can not only simultaneously identify a plurality of graphic codes in the same image, but also determine the target graphic code which accords with the user identification intention according to the touch operation of the user, so that the identification efficiency of the two-dimensional code can be improved.
Those of ordinary skill in the art will appreciate that all or a portion of the steps of the various methods of the above embodiments may be performed by instructions, or by instructions controlling associated hardware, which may be stored in a computer-readable storage medium and loaded and executed by a processor.
To this end, an embodiment of the present invention provides a storage medium having stored therein a plurality of instructions capable of being loaded by a processor to perform the steps of any of the graphics code recognition methods provided by the embodiments of the present invention. For example, the instructions may perform the steps of:
After receiving the graphic code identification request, acquiring an image to be identified according to the graphic code identification request, generating a graphic code identification interface according to the image to be identified when the image to be identified comprises a plurality of graphic codes, and identifying the corresponding graphic codes based on the selection operation of a user on the graphic code identification interface.
The specific implementation of each operation above may be referred to the previous embodiments, and will not be described herein.
Wherein the storage medium may include: read Only Memory (ROM), random access Memory (RAM, random Access Memory), magnetic or optical disk, and the like.
The instructions stored in the storage medium can execute the steps in any one of the graphic code identification methods provided by the embodiments of the present invention, so that the beneficial effects that any one of the graphic code identification methods provided by the embodiments of the present invention can be achieved, and detailed descriptions of the previous embodiments are omitted.
The method, the device, the terminal and the storage medium for identifying the graphic code provided by the embodiment of the invention are described in detail, and specific examples are applied to the description of the principle and the implementation mode of the invention, and the description of the above embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present invention, the present description should not be construed as limiting the present invention.

Claims (11)

1. A method for identifying a graphic code, comprising:
receiving a graphic code identification request;
Acquiring an image to be identified according to the graphic code identification request;
When the image to be identified comprises a plurality of graphic codes, generating a graphic code identification interface according to the image to be identified; wherein the graphical code recognition interface comprises a plurality of candidate boxes;
Based on the selection operation of the graphic code identification interface by the user, identifying the corresponding graphic code comprises the following steps: acquiring operation information of the selection operation; when the operation information meets a first preset condition, taking the current candidate frame as a target frame, and displaying the current candidate frame in a preset proportion; when the operation information meets a second preset condition, removing the corresponding candidate frame on the graphic code identification interface to obtain a graphic code reserved area, and obtaining the candidate frame in the graphic code reserved area to obtain a target frame; and identifying the graphic code in the target frame.
2. The method according to claim 1, wherein the operation information includes a first touch point, a pressing pressure, and a duration of continuous pressing, and when the operation information satisfies a first preset condition, the current candidate frame is taken as a target frame, and the current candidate frame is displayed in a preset ratio, including:
Determining a current candidate frame in a plurality of candidate frames according to the first touch point;
And when the pressing pressure is larger than a first preset pressure value and the duration of the continuous pressing is longer than a first preset duration of the continuous pressing, taking the current candidate frame as a target frame, and displaying the current candidate frame in a preset proportion.
3. The method of claim 1, wherein the operation information includes at least one second touch point, a sliding speed, and a sliding distance, and removing the corresponding candidate frame on the graphic code recognition interface when the operation information meets a second preset condition, to obtain a graphic code reserved area, includes:
Selecting a corresponding candidate frame according to at least one second touch point;
and when the sliding speed is greater than a preset speed and the sliding distance is greater than a preset distance, removing the corresponding candidate frame on the graphic code identification interface to obtain a graphic code reserved area.
4. The method of claim 1, wherein the identifying the graphics code in the target frame comprises:
Determining a graphic code corresponding to the target frame to obtain a target graphic code;
determining the positioning point of the target graphic code;
and identifying the target graphic code according to the positioning point.
5. The method according to any one of claims 1 to 4, wherein generating a graphical code recognition interface from the image to be recognized comprises:
Analyzing the image to be identified based on a preset graphic code detection library to obtain a plurality of graphic codes to be identified;
Acquiring position information of a plurality of graphic codes to be identified in the image to be identified;
And generating a graphic code identification interface comprising a plurality of candidate frames according to the position information, wherein each candidate frame corresponds to one graphic code to be identified.
6. A graphic code recognition apparatus, comprising:
The receiving module is used for receiving the graphic code identification request;
the acquisition module is used for acquiring the image to be identified according to the graphic code identification request;
The generating module is used for generating a graphic code identification interface according to the image to be identified when the image to be identified acquired by the acquiring module comprises a plurality of graphic codes; wherein the graphical code recognition interface comprises a plurality of candidate boxes;
The identification module is used for identifying the corresponding graphic code based on the selection operation of the graphic code identification interface by a user;
Wherein, the identification module includes:
an acquisition unit configured to acquire operation information of the selection operation;
a determining unit configured to determine a target frame among the plurality of candidate frames according to the operation information;
The identification unit is used for identifying the graphic code in the target frame;
The determination unit includes:
The first determining subunit is used for taking the current candidate frame as a target frame when the operation information meets a first preset condition, and displaying the current candidate frame in a preset proportion;
And the second determining subunit is used for removing the corresponding candidate frame on the graphic code identification interface when the operation information meets a second preset condition to obtain a graphic code reserved area, and obtaining the candidate frame in the graphic code reserved area to obtain a target frame.
7. The apparatus of claim 6, wherein the operation information includes a first touch point, a pressing pressure, and a duration of the pressing, and wherein the first determining subunit is specifically configured to:
Determining a current candidate frame in a plurality of candidate frames according to the first touch point;
And when the pressing pressure is larger than a first preset pressure value and the duration of the continuous pressing is longer than a first preset duration of the continuous pressing, taking the current candidate frame as a target frame, and displaying the current candidate frame in a preset proportion.
8. The device according to claim 6, wherein the identification unit is specifically configured to:
Determining a graphic code corresponding to the target frame to obtain a target graphic code;
determining the positioning point of the target graphic code;
and identifying the target graphic code according to the positioning point.
9. The apparatus according to any one of claims 6 to 8, wherein the generating module is specifically configured to:
Analyzing the image to be identified based on a preset graphic code detection library to obtain a plurality of graphic codes to be identified;
Acquiring position information of a plurality of graphic codes to be identified in the image to be identified;
And generating a graphic code identification interface comprising a plurality of candidate frames according to the position information, wherein each candidate frame corresponds to one graphic code to be identified.
10. A terminal comprising a processor and a memory, wherein the memory stores at least one instruction, at least one program, code set, or instruction set, which is loaded and executed by the processor to implement the method of identifying a graphics code as claimed in any one of claims 1 to 5.
11. A storage medium storing a plurality of instructions adapted to be loaded by a processor to perform the steps of the method of identifying a graphic code of any one of claims 1 to 5.
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