CN112181266A - 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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CN112181266A
CN112181266A CN201910605501.5A CN201910605501A CN112181266A CN 112181266 A CN112181266 A CN 112181266A CN 201910605501 A CN201910605501 A CN 201910605501A CN 112181266 A CN112181266 A CN 112181266A
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graphic code
graphic
frame
preset
image
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CN112181266B (en
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吴正山
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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

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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 recognized comprises a plurality of graphic codes, generating a graphic code recognition interface according to the image to be recognized; and then, based on the selection operation of the user on the graphic code identification interface, identifying the corresponding graphic code, thereby improving the identification efficiency of the two-dimensional code.

Description

Graphic code identification method, device, terminal and storage medium
Technical Field
The invention relates to the technical field of image processing, in particular to a graphic code identification method, a device, a terminal and a storage medium.
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 a two-dimensional code identification request is received, the terminal identifies the two-dimensional code according to the two-dimensional code identification request. However, when the image includes at least two-dimensional codes, the terminal randomly selects one two-dimensional code for identification, and if the identified two-dimensional code is not the two-dimensional code that the user desires to identify, the user needs to manually intercept the two-dimensional code that the user desires to identify from the image for identification, which reduces the identification efficiency of the two-dimensional code.
Disclosure of Invention
The embodiment of the invention provides a graphic code identification method, a graphic code identification device, a terminal and a storage medium, 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 recognized comprises a plurality of graphic codes, generating a graphic code recognition interface according to the image to be recognized;
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 recognition device, which comprises:
the receiving module is used for receiving the graphic code identification request;
the acquisition module is used for acquiring an 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 recognition interface includes a plurality of candidate boxes, and the recognition 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 configured to, when the operation information satisfies a first preset condition, take a current candidate frame as a target frame, and display the current candidate frame in a preset ratio;
and the second determining subunit is configured to, when the operation information meets a second preset condition, remove the corresponding candidate frame on the graphical code identification interface to obtain a graphical code reserved area, and obtain a candidate frame in the graphical 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 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 greater than a first preset pressure value and the continuous pressing duration is greater than a first preset continuous pressing duration, 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 a 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 recognized in the images to be recognized;
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 a graphic code identification request in the embodiment of the invention; acquiring an image to be identified according to the graphic code identification request; when the image to be recognized comprises a plurality of graphic codes, generating a graphic code recognition interface according to the image to be recognized; then, based on the selection operation of the user on the graphic code identification interface, the corresponding graphic code is identified, and therefore, the identification efficiency of the two-dimensional code can be improved.
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In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1a is a scene schematic diagram of a graphic code identification method according to an embodiment of the present invention;
fig. 1b is a schematic flow chart of a graphic code identification method according to an embodiment of the present invention;
fig. 2a is another schematic flow chart of a graphic code identification method according to an embodiment of the present invention;
fig. 2b is a scene schematic diagram of a graphical code recognition interface generated in the graphical code recognition method according to the embodiment of the present invention;
fig. 2c is a schematic view of a scene in which a target frame is determined in the graphic code recognition method according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a graphic code recognition apparatus 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 technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The graphic code identification method provided by the embodiment of the application can be used for realizing identification of one graphic code and multiple codes, namely identifying the designated graphic code in a multiple graphic code image (the image containing multiple graphic codes), and the applicable application scenes can comprise a code scanning identification scene and a long press identification scene. The following describes a method for identifying a graphic code in different application scenarios. The embodiment of the invention provides a graphic code identification method, a graphic code identification device, a terminal and a storage medium.
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).
For example, referring to fig. 1a, when a user needs to identify a graphic code, after receiving a graphic code identification request of the user, the terminal acquires an image to be identified according to the graphic identification code request. And when the graphic code to be recognized comprises a plurality of graphic codes, generating a graphic code recognition interface according to the image to be recognized, wherein the graphic code recognition interface comprises a plurality of candidate frames. And then, the terminal determines a target frame in the 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 are detailed below. It should be noted that the description sequence of the following embodiments is not intended to limit the priority sequence of the embodiments.
A graphic code identification method comprises the following steps: the method comprises the steps of receiving a graphic code identification request of a user, obtaining 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, determining a target frame in the plurality of candidate frames based on touch operation of the user on the graphic code identification interface, and identifying the graphic code corresponding to the target frame.
Referring to fig. 1b, fig. 1b is a schematic flow chart illustrating a graphic code identification method according to an embodiment of the present invention. The specific flow of the graphic code identification method can be as follows:
101. and receiving a graphic code identification request.
The method can receive a graphic code recognition trigger request triggered by a user through triggering a graphic code recognition trigger key, for example, the user can click a trigger key such as "scan" or "recognize a graphic code" to trigger the graphic code recognition request, and the like.
102. And acquiring the image to be identified according to the graphic code identification request.
The image to be recognized may be pre-stored locally, or may be obtained by real-time shooting through a camera, specifically according to actual conditions.
For example, specifically, the corresponding program and the image to be recognized may be opened according to the graphic code recognition request, and if the image to be recognized includes a plurality of graphic codes, step 103 is executed. If there is only one graphic code in the identification image, step 105 is executed.
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, and the specific type of the graphic code is not limited in the embodiment of the present invention.
103. And when the image to be recognized comprises a plurality of graphic codes, generating a graphic code recognition interface according to the image to be recognized.
The graphic code recognition interface may include a plurality of candidate frames, and each candidate frame corresponds to one graphic code. In addition, the graphic code identification interface can also comprise a plurality of graphic codes, and the size of each candidate frame is adapted to the size of the corresponding graphic code.
Optionally, in some embodiments, the graphic code in the to-be-recognized graphic may be analyzed based on a preset graphic code detection library, that is, the step "acquiring the to-be-recognized image according to the graphic code recognition request" may specifically include:
(11) and analyzing the image to be recognized based on a preset graphic code detection library to obtain a plurality of graphic codes to be recognized.
(12) And acquiring the position information of a plurality of graphic codes to be recognized in the image to be recognized.
(13) And generating a graphic code identification interface comprising a plurality of candidate frames according to the position information.
For example, an image to be recognized may be input into a preset target detection model, a plurality of graphic codes in the image to be recognized 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 can call a corresponding program interface based on the position information, and switch the current page to a page opened based on the program interface, thereby generating a graphic code identification interface comprising a plurality of candidate frames.
In addition, the terminal stores a pre-trained object detection model, which can be obtained through deep learning training and is used for recognizing the graphic code in the image and outputting the position information of the graphic code in the image.
104. And identifying the corresponding graphic code based on the selection operation of the user on the graphic code identification interface.
The selection operation may include a sliding operation, a pressing operation, or a tapping operation, among others. For example, specifically, one of the candidate frames may be selected as the target frame based on a pressing operation of the user on the graphic code recognition interface. Further, the step of determining the target frame among the candidate frames by judging the pressing operation information corresponding to the pressing operation, that is, identifying the corresponding graphic code based on the selection operation of the user on the graphic code identification interface, may include:
(21) operation information of the 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 box among the candidate boxes may include directly checking the target box and indirectly checking the target box. That is, in some embodiments, the step "determining a target frame among a plurality of candidate frames according to the operation information" may specifically include:
(31) and when the operation information meets a first preset condition, taking the current candidate frame as a target frame, and displaying the current candidate frame according to 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, the current candidate frame is displayed in a preset proportion, and the current candidate frame is used as a target frame.
Optionally, in some embodiments, the step "when the operation information satisfies a first preset condition, displaying the current candidate frame in a preset ratio, and taking the current candidate frame as a 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 greater than a first preset pressure value and the continuous pressing duration is greater than a first preset continuous pressing duration, displaying the current candidate frame according to a preset proportion, and determining the current candidate frame as the target frame.
For example, the operation information may include a first touch point, a pressing pressure, and a duration of pressing. First, a candidate frame selected by a user may be determined according to the first touch point, and then, whether the pressing pressure is greater than a first preset pressure value is detected. And when the pressing pressure is greater than a first preset pressure value, detecting whether the duration of continuous pressing is greater than a first preset duration. And when the duration of the continuous pressing is longer than a 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 the continuous pressing is longer than the first preset duration, the pressing speed is changed from 50%: and displaying the current candidate box at a ratio of 50%, wherein the ratio refers to the ratio of the current candidate box to the graphic code identification interface.
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 percent. It should be noted that, when the pressing pressure is smaller than the first preset pressure value, the duration of the continuous 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 target frame may be indirectly obtained by deleting the corresponding candidate frame, that is, optionally, in some embodiments, "when the operation information satisfies a 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 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 value and the sliding distance is greater than a preset distance threshold value, 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 the second touch points may include at least one. For example, the graphic code recognition interface includes two candidate frames, and at this time, the number of the second touch points is one. For another example, the graphic code recognition interface includes five candidate frames, and at this time, the number of the second touch points is four.
First, a candidate frame selected by a user may be determined according to the second touch point, and then, whether the sliding speed is greater than a preset speed threshold 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 value, 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 meter per second, and the preset distance threshold is 1 centimeter. 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 has a plurality of modes, and the mode is selected according to the type of the pattern and the actual requirement. For example, taking a matrix two-dimensional code as an example, first, the anchor points of the matrix two-dimensional code may be determined, for example, the number of the anchor points is 3. And then, generating characteristic information of the matrix type 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 type two-dimensional code.
That is, optionally, in some embodiments, the step "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.
According to the method and the device, after a graphic code identification request of a user is received, an image to be identified is obtained according to the graphic code identification request, if the image to be identified comprises a plurality of graphic codes, a graphic code identification interface is generated according to the image to be identified, then a target frame is determined in a plurality of candidate frames based on touch operation of the user on the graphic code identification interface, and finally the graphic code corresponding to the target frame is identified. Compared with the existing graphic code identification scheme, the method and the device have the advantages that the graphic codes in the same image can be identified at the same time, and the target graphic code meeting the identification intention of the user can be determined 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 examples is further described in detail below by way of example.
In this embodiment, the graphic code recognition apparatus is specifically integrated in a terminal as an example.
Referring to fig. 2a, a method for identifying a graphic code may specifically include the following steps:
201. and the terminal receives the graphic code identification request.
The terminal may receive a user trigger request for identifying the graphical code by triggering a graphical code identification trigger key, for example, the user may click a trigger key such as "scan" or "identify the graphical code" to trigger the graphical code identification request, and so on.
202. And the terminal acquires the image to be identified according to the graphic code identification request.
The image to be recognized may be pre-stored locally, or may be obtained by real-time shooting through a camera, specifically according to actual conditions.
For example, specifically, the terminal may open a corresponding program and an image to be recognized according to the graphic code recognition request, and if the image to be recognized includes a plurality of graphic codes, the terminal performs step 203. If there is only one graphic code in the identified image, step 205 is executed.
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, and the specific type of the graphic code is not limited in the embodiment of the present invention.
203. And the terminal generates a graphic code identification interface according to the image to be identified.
The graphic code recognition interface may include a plurality of candidate frames, and each candidate frame corresponds to one graphic code. In addition, the graphic code identification interface can also comprise a plurality of graphic codes, and the size of each candidate frame is adapted to the size of the corresponding graphic code.
Optionally, in some embodiments, the terminal may analyze the image to be recognized based on a preset pattern code detection library to obtain a plurality of pattern codes to be recognized, then the terminal obtains position information of the plurality of pattern codes to be recognized in the image to be recognized, and finally the terminal generates a pattern code recognition interface including a plurality of candidate frames according to the position information.
For example, referring to fig. 2b, the terminal acquires an image to be recognized including a plurality of graphic codes. For example, during code scanning payment, the terminal acquires a payment code image including a collection code a (corresponding to a payment application program a) and a collection code B (corresponding to a payment application program B). In this scenario, the terminal analyzes the payment code image based on a preset graphic code detection library to obtain a payment code a and a payment code B. Then, the terminal acquires 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 a candidate frame A and a candidate frame B according to the position information
204. And the terminal determines a target frame in the plurality of candidate frames based on the selection operation of the user on the graphic code recognition interface.
The selection operation may include a sliding operation or a pressing operation, and the like. For example, specifically, one of the candidate frames may be selected as the target frame based on a pressing operation of the user on the graphic code recognition interface. Further, the pressing operation information corresponding to the pressing operation may be determined, and the target frame may be determined 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 among the plurality of candidate frames according to the operation information.
For example, after the terminal generates a graphic code recognition interface including a plurality of candidate frames, the terminal may receive a touch operation of a user on a certain candidate frame to determine a target 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 the target frame among the plurality of candidate frames. It should be noted that the manner in which the terminal determines the target frame in the multiple candidate frames 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 satisfies a first preset condition, the terminal takes the current candidate frame as a target frame, and displays the current candidate frame in a preset ratio. 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 a user completes one touch operation on a screen of the terminal, the terminal can acquire multiple 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 terminal once, it can be represented by the following equation:
Figure BDA0002120554280000101
wherein touchX is an abscissa of the touch operation of the user on the terminal screen, touchY is an ordinate of the touch operation of the user on the terminal screen, mdonx is an abscissa after transformation during pressing, mdony is an ordinate after transformation during pressing, mUpTouchX is an abscissa after transformation after pressing, mUpTouchY is an ordinate after transformation after pressing, and m is a constant.
When the user finishes one sliding operation on the screen of the terminal, the terminal can acquire multiple notification events sent by the system, and the terminal can calculate to obtain a final target frame according to the events. When the user slides the screen of the terminal once, it can be represented by the following equation:
Figure BDA0002120554280000102
after all touch operations are completed, calculating the final position of the target frame as follows:
Figure BDA0002120554280000103
where T is a constant, typically 15, RectiI is the number of candidate frames, and finally d (x, y) ═ 1 is the target frame by the above calculation.
In addition, the terminal may determine a target frame, such as a pressing pressure, a duration of pressing, and a pressing point, among the plurality of candidate frames according to the operation information of the pressing operation by the user. The terminal may further determine a target frame, for example, the number of taps, the tap position, and the time interval between adjacent taps, in the multiple candidate frames according to the operation information of the tap operation performed by the user.
Optionally, in some embodiments, when the operation information meets a second preset condition, the terminal removes the corresponding candidate frame on the graphical code recognition interface to obtain the graphical code reserved area. The terminal may remove the corresponding candidate frame on the graphic code identification interface according to the operation information, i.e., the second touch point, the pressing pressure, the duration of pressing, the second tapping position, the tapping times, the sliding speed, and the sliding distance, to obtain the graphic code retention area.
205. And the terminal determines the positioning point of the graphic code.
206. And the terminal generates the 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 the graphic code as the matrix two-dimensional code as an example, first, the terminal may determine the 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 type 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 type two-dimensional code.
For example, after the terminal determines the target frame, the terminal identifies the graphic code in the target frame, for example, the graphic code is a payment code, and after the terminal identifies the payment code, the terminal jumps to a corresponding payment interface, where the payment interface may include payment amount and payee information.
As can be seen from the above, after receiving a graphic code identification request of a user, the terminal of this embodiment may obtain an image to be identified according to the graphic code identification request, 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 for the user to perform touch operations, then, the terminal may determine a target frame in a plurality of candidate frames based on the touch operations, determine a graphic code corresponding to the target frame by the terminal, and after obtaining a target graphic code, identify according to a positioning point of the target graphic code, where the positioning point corresponds to 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 meeting the identification intention of the user according to the touch operation of the user, so that the identification efficiency of the two-dimensional code can be improved.
In order to better implement the graph code identification method in the embodiment of the present invention, the embodiment of the present invention further provides an identification device (identification device for short) based on the graph code. The meaning of the noun is the same as that in the above graphic code recognition method, and specific implementation details can refer to the description in the method embodiment.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a graphic code identification apparatus according to an embodiment of the present invention, where the identification apparatus may include a receiving module 301, an obtaining module 302, a generating module 303, and an identifying module 304, and specifically the following modules may be included in the identification apparatus:
the receiving module 301 is configured to receive a graphic code identification request.
The receiving module 301 may receive a user's trigger request by triggering a graphic code recognition trigger key, for example, the user may click a trigger key such as "scan" or "recognize a graphic code" to trigger the graphic code recognition request, and so on.
And the obtaining module 302 is configured to obtain an image to be identified according to the graphic code identification request.
The image to be recognized may be pre-stored locally, or may be obtained by real-time shooting through a camera, specifically according to actual conditions.
For example, specifically, the obtaining module 302 may open a corresponding program and an image to be recognized according to the graphic code recognition request, and jump to the generating module 103 if the image to be recognized includes a plurality of graphic codes. If only one graphic code exists in the identification image, the process jumps to the identification module 305.
The generating module 303 is configured to generate a graph code identification interface according to the image to be identified when the image to be identified acquired by the acquiring module includes a plurality of graph codes.
The graphic code recognition interface may include a plurality of candidate frames, and each candidate frame corresponds to one graphic code. In addition, the graphic code identification interface can also comprise a plurality of graphic codes, and the size of each candidate frame is adapted to the size of the corresponding graphic code
Optionally, in some embodiments, the generating module 303 is specifically configured to: analyzing the image to be recognized based on a preset graphic code detection library to obtain a plurality of graphic codes to be recognized, obtaining the position information of the plurality of graphic codes to be recognized in the image to be recognized, and generating a graphic code recognition interface comprising a plurality of candidate frames according to the position information.
And the identification module 304 is used for identifying the corresponding graphic code based on the selection operation of the user on the graphic code identification interface.
The selection operation may include a sliding operation, a pressing operation, or a tapping operation, among others. For example, in particular, the recognition module 304 may select one of the candidate frames as the target frame based on a pressing operation of the user on the graphic code recognition interface.
Optionally, in some embodiments, the determining module 304 may include:
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 box among the candidate boxes may include directly checking the target box and indirectly checking the target box. That is, optionally, in some embodiments, the determining unit includes:
and the first determining subunit is used for taking the current candidate frame as a target frame and displaying the current candidate frame according to a preset proportion when the operation information meets a first preset condition.
And the second determining subunit is used for removing the corresponding candidate frame on the graphic code identification interface to obtain a graphic code reserved area and obtain the candidate frame in the graphic code reserved area to obtain the target frame when the operation information meets a second preset condition.
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 when the pressure value is greater than a first preset pressure value and the continuous pressing duration is greater than a first preset continuous pressing duration, displaying the current candidate frame in a preset proportion and determining the current candidate frame as a target frame.
In addition, it should be noted that, the corresponding candidate frame may also 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 reserved area of the graphic code, 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 has a plurality of modes, and the mode is selected according to the type of the pattern and the actual requirement. For example, taking a matrix type two-dimensional code as an example, first, the identification unit may determine the positioning points of the matrix type two-dimensional code, for example, the number of the positioning points is 3. Then, the identification unit generates characteristic information of the matrix type 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 type 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 to obtain a target graphic code, determining the positioning of the target graphic code, and identifying the target graphic code according to the positioning point.
In a specific implementation, the above units may be implemented as independent entities, or may be combined arbitrarily to be implemented as the same or several entities, and the specific implementation of the above units may refer to the foregoing method embodiments, which are not described herein again.
As can be seen, after the receiving module 301 of the pattern code recognition apparatus of this embodiment receives the pattern code recognition request, the obtaining module 302 may obtain the image to be recognized according to the pattern code recognition request, when the image to be recognized includes a plurality of pattern codes, the generating module 303 generates a pattern code recognition interface according to the image to be recognized, and then the recognizing module 304 recognizes the corresponding pattern code based on the selection operation of the user on the pattern code recognition 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 meeting the identification intention of the user according to the touch operation of the user, so that the identification efficiency of the two-dimensional code can be improved.
Accordingly, an embodiment of the present invention further provides a terminal, as shown in fig. 4, the terminal may include Radio Frequency (RF) circuits 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) module 407, a processor 408 including one or more processing cores, and a power supply 409. Those skilled in the art will appreciate that the terminal configuration shown in fig. 4 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. Wherein:
the RF circuit 401 may be used for receiving and transmitting signals during a message transmission or communication process, and in particular, for receiving downlink information of a base station and then sending the received downlink information to the one or more processors 408 for processing; in addition, data relating to uplink is transmitted to the base station. In general, the 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) card, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the RF circuitry 401 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Message Service (SMS), and the like.
The memory 402 may be used to store software programs and modules, and the processor 408 executes various functional applications and data processing by operating the software programs and modules stored in the memory 402. The memory 402 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the terminal, etc. Further, the 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 the processor 408 and the input unit 403 access to the memory 402.
The input unit 403 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, in a particular embodiment, the 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 by a user (e.g., operations by a user on or near the touch-sensitive surface using a finger, a stylus, or any other suitable object or attachment) thereon or nearby, and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction 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 sensing device, converts it to touch point coordinates, and sends the touch point coordinates to the processor 408, and can receive and execute commands from the processor 408. In addition, touch sensitive surfaces may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. The input unit 403 may include other input devices in addition to the touch-sensitive surface. 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, a mouse, a joystick, and the like.
The display unit 404 may be used to display information input by or provided to the user and various graphical user interfaces of the terminal, which may be made up of graphics, text, icons, video, and any combination thereof. The Display unit 404 may include a Display panel, and optionally, the Display panel may 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 the display panel, and when a touch operation is detected on or near the touch-sensitive surface, the touch operation is transmitted to the processor 408 to determine the type of touch event, and then the processor 408 provides a corresponding visual output on the display panel according to the type of touch event. Although in FIG. 4 the touch-sensitive surface and the display panel are shown as two separate components to implement input and output functions, in some embodiments the touch-sensitive surface may be integrated with the display panel to implement input and output functions.
The terminal may also include at least one sensor 405, such as a light sensor, 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 the backlight when the terminal is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured in the terminal, detailed description is omitted here.
Audio circuitry 406, a speaker, and a microphone may provide an audio interface between the user and the terminal. The audio circuit 406 may transmit the electrical signal converted from the received audio data to a speaker, and convert the electrical signal into a sound signal for output; on the other hand, the microphone converts the collected sound signal into an electric signal, which is received by the audio circuit 406 and converted into audio data, which is then processed by the audio data output processor 408, and then transmitted to, for example, another terminal via the RF circuit 401, or the audio data is output to the memory 402 for further processing. The audio circuitry 406 may also include an earbud jack to provide peripheral headset communication with the terminal.
WiFi belongs to short distance wireless transmission technology, and the terminal can help the user to send and receive e-mail, browse web page and access streaming media etc. through WiFi module 407, it provides wireless broadband internet access for the user. Although fig. 4 shows the WiFi module 407, it is understood that it does not belong to the essential constitution of the terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 408 is a control center of the terminal, connects various parts of the entire handset using various interfaces and lines, and performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 402 and calling data stored in the memory 402, thereby integrally monitoring the handset. Optionally, processor 408 may include one or more processing cores; preferably, the processor 408 may integrate an application processor, which handles primarily the operating system, user interface, applications, etc., and a modem processor, which handles primarily the 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 source 409 (e.g., a battery) for powering the various components, which may preferably be logically coupled to the processor 408 via a power management system to manage charging, discharging, and power consumption via the power management system. The power supply 409 may also include any component of one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, and the like.
Although not shown, the terminal may further include a camera, a bluetooth module, and the like, which will not be described herein. Specifically, in this embodiment, the processor 408 in the terminal loads the executable file corresponding to the process of one or more application programs into the memory 402 according to the following instructions, and the processor 408 runs the application programs stored in the memory 402, thereby implementing various functions:
after 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, and identifying the corresponding graphic code 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 then identifies the corresponding graphic code based on the selection operation of a user on the graphic code identification interface. Compared with the existing graphic code identification scheme, the method and the device have the advantages that the graphic codes in the same image can be identified at the same time, and the target graphic code meeting the identification intention of the user can be determined according to the touch operation of the user, so that the identification efficiency of the two-dimensional code can be improved.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by a processor.
To this end, the present invention provides a storage medium, in which a plurality of instructions are stored, where the instructions can be loaded by a processor to execute the steps in any one of the graphic code recognition methods provided by the embodiments of the present invention. For example, the instructions may perform the steps of:
after 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, and then identifying the corresponding graphic code based on the selection operation of a user on the graphic code identification interface.
The above operations can be implemented in the foregoing embodiments, and are not described in detail herein.
Wherein the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
Since the instructions stored in the storage medium may execute the steps in any one of the graphic code recognition methods provided in the embodiments of the present invention, beneficial effects that can be achieved by any one of the graphic code recognition methods provided in the embodiments of the present invention may be achieved, which are detailed in the foregoing embodiments and will not be described herein again.
The method, the apparatus, the terminal and the storage medium for identifying a graphic code provided by the embodiment of the present invention are described in detail above, a specific example is applied in the present document to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (15)

1. A graphic code identification method is characterized by comprising 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 recognized comprises a plurality of graphic codes, generating a graphic code recognition interface according to the image to be recognized;
and identifying the corresponding graphic code based on the selection operation of the user on the graphic code identification interface.
2. The method of claim 1, wherein the graphic code recognition interface comprises a plurality of candidate boxes, and the recognizing the corresponding graphic code based on the user selection operation of the graphic code recognition interface comprises:
acquiring operation information of the selection operation;
determining a target frame in the plurality of candidate frames according to the operation information;
and identifying the graphic code in the target frame.
3. The method of claim 2, wherein determining a target frame among the plurality of candidate frames according to the operation information comprises:
when the operation information meets a first preset condition, taking a current candidate frame as a target frame, and displaying the current candidate frame according to a preset proportion;
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 a target frame.
4. The method according to claim 3, wherein the operation information includes a first touch point, a pressing pressure and a duration of pressing, and when the operation information satisfies a first preset condition, the current candidate frame is taken as a target frame and 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 pressure value is greater than a first preset pressure value and the continuous pressing duration is greater than a first preset continuous pressing duration, taking the current candidate frame as a target frame and displaying the current candidate frame in a preset proportion.
5. The method according to claim 3, wherein the operation information includes at least one second touch point, a sliding speed, and a sliding distance, and when the operation information satisfies a second preset condition, the corresponding candidate frame is removed from the graphic code recognition interface to obtain a graphic code reserved area, including:
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.
6. The method of claim 2, wherein the identifying the graphic code in the target box comprises:
determining a graphic code corresponding to the target frame to obtain a target graphic code;
determining a positioning point of the target graphic code;
and identifying the target graphic code according to the positioning point.
7. The method according to any one of claims 1 to 6, wherein the generating of the graphic code recognition interface according to 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 recognized in the images to be recognized;
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.
8. A graphic code recognition device, comprising:
the receiving module is used for receiving the graphic code identification request;
the acquisition module is used for acquiring an 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.
9. The apparatus of claim 8, wherein the graphical code recognition interface comprises a plurality of candidate boxes, and the recognition module comprises:
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.
10. The apparatus of claim 9, wherein the determining unit comprises:
the first determining subunit is configured to, when the operation information satisfies a first preset condition, take a current candidate frame as a target frame, and display the current candidate frame in a preset ratio;
and the second determining subunit is configured to, when the operation information meets a second preset condition, remove the corresponding candidate frame on the graphical code identification interface to obtain a graphical code reserved area, and obtain a candidate frame in the graphical code reserved area to obtain a target frame.
11. The apparatus according to claim 10, wherein the operation information includes a first touch point, a pressing pressure, and a duration of 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 greater than a first preset pressure value and the continuous pressing duration is greater than a first preset continuous pressing duration, taking the current candidate frame as a target frame and displaying the current candidate frame in a preset proportion.
12. The apparatus according to claim 9, wherein the identification unit is specifically configured to:
determining a graphic code corresponding to the target frame to obtain a target graphic code;
determining a positioning point of the target graphic code;
and identifying the target graphic code according to the positioning point.
13. The apparatus according to any one of claims 8 to 12, 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 recognized in the images to be recognized;
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.
14. A terminal, comprising a processor and a memory, wherein the memory stores at least one instruction, at least one program, a set of codes, or a set of instructions, which is loaded and executed by the processor to implement the pattern code recognition method according to any one of claims 1 to 7.
15. A storage medium storing a plurality of instructions, the instructions being suitable for being loaded by a processor to execute the steps of the graphic code recognition method according to any one of claims 1 to 7.
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