CN104768027A - Method and device for activating graphic identification code in video - Google Patents
Method and device for activating graphic identification code in video Download PDFInfo
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- CN104768027A CN104768027A CN201510212746.3A CN201510212746A CN104768027A CN 104768027 A CN104768027 A CN 104768027A CN 201510212746 A CN201510212746 A CN 201510212746A CN 104768027 A CN104768027 A CN 104768027A
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- 238000000034 method Methods 0.000 title claims abstract description 71
- 230000003213 activating effect Effects 0.000 title claims abstract description 32
- 230000008569 process Effects 0.000 claims abstract description 37
- 230000009471 action Effects 0.000 claims abstract description 9
- 230000004913 activation Effects 0.000 claims description 57
- 238000001514 detection method Methods 0.000 claims description 51
- 238000003909 pattern recognition Methods 0.000 claims description 44
- 238000012545 processing Methods 0.000 claims description 22
- 238000012790 confirmation Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000002716 delivery method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000007781 pre-processing Methods 0.000 description 1
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- 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
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/1092—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing by means of TV-scanning
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- 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
- G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
- G06K7/1443—Methods for optical code recognition including a method step for retrieval of the optical code locating of the code in an image
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Abstract
The embodiment of the invention discloses a method and device for activating graphic identification code in video. The method can comprise the steps that in a video playing process, first kind of user actions sent by a user is obtained; whether the target video frames being aimed at by the first kind of user actions include graphic identification codes or not is judged; if the judging result is yes, activating results corresponding to the graphic identification codes included by the target video frames are output. According to the scheme, the user only needs to send out the first king of user actions in the video playing process, the activating results corresponding to the graphic identification codes included by the target video frames can be output automatically, and therefore the user operation needed by activating the graphic identification codes is simplified.
Description
Technical Field
The invention relates to the technical field of pattern identification codes, in particular to a method and a device for activating a pattern identification code in a video.
Background
The pattern recognition code has the advantages of large information storage capacity, high confidentiality, convenience and the like, and is widely applied to various fields of consumption and shopping, food tracing, identity authentication and the like.
In the prior art, if a device a (such as a computer, a television or a mobile phone) plays a video and the played video contains a pattern recognition code, the following operations are generally required for activating the pattern recognition code from the device a:
the pattern recognition code is scanned, activated and an activation result is obtained by a B device (such as a mobile phone). Further, the activation result obtained on the B device is delivered to the a device, and the delivery method may be various, such as: and the B device saves the obtained activation result into a cloud storage tool, logs in the cloud storage tool on the A device and reads the activation result. Obviously, this process involves many operations, which are too cumbersome for the average user.
Disclosure of Invention
The embodiment of the invention aims to provide a method and a device for activating a graphical identification code in a video, so as to simplify user operation required for activating the graphical identification code. The specific technical scheme is as follows:
in a first aspect, an embodiment of the present invention provides a method for activating a pattern recognition code in a video, including:
in the video playing process, obtaining a first type of user operation sent by a user;
judging whether a target video frame aimed at by the first type of user operation contains a graphic identification code;
and if so, outputting an activation result corresponding to the graphic identification code contained in the target video frame.
Optionally, the first type of user operation is an operation directed to a predetermined region of the target video frame.
Optionally, before the obtaining of the first type of user operation sent by the user, the method further includes:
in the process of playing a video, after image decoding is carried out on each video frame in the video, pattern identification code detection processing is carried out on the analyzed video frame; wherein the detection process comprises at least: detecting whether a pattern identification code exists;
correspondingly, the determining whether the target video frame targeted by the first type of user operation includes a graphical identification code includes:
obtaining a detection result corresponding to a target video frame aimed at by the first type of user operation;
and judging whether the detection result indicates that the target video frame contains a graphic identification code.
Optionally, the pattern recognition code detection processing further includes: under the condition that the graphic identification code exists in the video frame, obtaining an activation result corresponding to the graphic identification code in the video frame;
the outputting of the activation result corresponding to the pattern identification code included in the target video frame includes:
and outputting an activation result corresponding to the pattern identification code in the target video frame obtained by the pattern identification code detection processing.
Optionally, the pattern recognition code detection processing further includes: under the condition that the figure identification code is detected to exist in the video frame, obtaining the area of the figure identification code in the video frame;
after it is determined that the target video frame targeted by the first type of user operation contains the graphical identification code, the method further includes:
obtaining the area of the graphic identification code in the target video frame;
further judging whether the first type of user operation is the operation of the user aiming at the area where the graphic identification code is located;
and if so, continuing to output the activation result corresponding to the graphic identification code in the target video frame.
Optionally, after it is determined that the target video frame targeted by the first type of user operation includes the graphics identifier, the method further includes:
prompting the user to confirm the activation of the graphic identification code and continuously outputting the activation result corresponding to the graphic identification code in the target video frame under the condition that the user confirms.
In a second aspect, an embodiment of the present invention further provides an apparatus for activating a pattern identifier in a video, including:
the user operation obtaining module is used for obtaining a first type of user operation sent by a user in the video playing process;
the judging module is used for judging whether the target video frame aimed at by the first type of user operation contains a graphic identification code;
and the output module is used for outputting the activation result corresponding to the graphic identification code contained in the target video frame if the judgment result is yes.
Optionally, the first type of user operation is an operation directed to a predetermined region of the target video frame.
Optionally, the apparatus for activating a pattern identifier in a video according to an embodiment of the present invention further includes:
the detection module is used for carrying out image decoding on each video frame in the video and carrying out graphic identification code detection processing on the analyzed video frame in the video playing process before the first type of user operation sent by the user is obtained; wherein the detection process comprises at least: detecting whether a pattern identification code exists;
correspondingly, the judging module is specifically configured to:
obtaining a detection result corresponding to a target video frame aimed at by the first type of user operation; and judging whether the detection result indicates that the target video frame contains a graphic identification code.
Optionally, the pattern recognition code detection processing further includes: under the condition that the graphic identification code exists in the video frame, obtaining an activation result corresponding to the graphic identification code in the video frame;
the output module is specifically configured to:
and outputting an activation result corresponding to the pattern identification code in the target video frame obtained by the pattern identification code detection processing.
Optionally, the pattern recognition code detection processing further includes: under the condition that the figure identification code is detected to exist in the video frame, obtaining the area of the figure identification code in the video frame;
the device further comprises a second judging module, configured to, when it is judged that the target video frame to which the first type of user operation is directed includes the graphics identification code: obtaining the area of the graphic identification code in the target video frame; further judging whether the first type of user operation is the operation of the user aiming at the area where the graphic identification code is located; and if so, continuing to output the activation result corresponding to the graphic identification code in the target video frame.
Optionally, the apparatus for activating a graphical identification code in a video provided in the embodiment of the present invention further includes a prompting module, configured to prompt a user to confirm that the graphical identification code is activated after it is determined that the target video frame targeted by the first type of user operation includes the graphical identification code, and when the user confirms that the user provides the confirmation, the apparatus continues to output an activation result corresponding to the graphical identification code in the target video frame.
According to the method and the device for activating the graphic identification code in the video, provided by the embodiment of the invention, the first type of user operation sent by a user is obtained in the video playing process; judging whether a target video frame aimed at by the first type of user operation contains a graphic identification code; and if so, outputting an activation result corresponding to the graphic identification code contained in the target video frame. According to the scheme, only the first type of operation is required to be sent to the target video frame by the user in the video playing process, the activation result corresponding to the graphic identification code in the target video frame can be automatically output, and compared with the multi-step complicated operation that another auxiliary device is required to shoot and the like in the prior art, the user operation required for activating the graphic identification code is simplified.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart illustrating a method for activating a pattern identifier in a video according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an apparatus for activating a pattern identifier in a video 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.
In order to solve the problem of the prior art, embodiments of the present invention provide a method and an apparatus for activating a graphical identification code in a video, so as to simplify user operations required for activating the graphical identification code.
The pattern recognition code referred to herein conceptually includes, but is not limited to, a two-dimensional code and a barcode. The pattern identification code can express a large amount of information in a small area, and is widely applied to the fields of logistics management, commodity buying and selling, website analysis, anti-counterfeiting and the like.
First, a method for activating a pattern identifier in a video according to an embodiment of the present invention is described below.
It should be noted that the execution subject of the method for activating the pattern recognition code in the video according to the embodiment of the present invention may be an apparatus for activating the pattern recognition code in the video, and the apparatus may be a video player in practical applications.
Referring to fig. 1, fig. 1 shows a method for activating a pattern identifier in a video according to an embodiment of the present invention, which may include the following steps:
s101, in the video playing process, obtaining a first type of user operation sent by a user;
the first type of user operation may be an operation of a user with respect to any one region of the target video frame, or may also be an operation of a user with respect to a predetermined region of the target video frame. And, the operation type of the first type of user operation may be: the mouse click operation may be performed on a terminal computer, or may be performed on a touch screen, such as a smart phone.
It will be appreciated that a video file is made up of a single still picture, which is referred to as a video frame. The video may contain only one pattern recognition code, and may contain a plurality of pattern recognition codes. The same pattern recognition code will generally not only appear on a certain frame of the video, but on several consecutive frames. Taking the example of playing 25 frames per second, if the glyph identifier is presented on the video for 4 seconds, there will be 100 consecutive video frames containing the glyph identifier.
S102, judging whether a target video frame aimed at by the first type of user operation contains a graphic identification code;
the recognition of the pattern recognition code is a commonly known technology, and the process generally includes the steps of positioning the pattern recognition code (including preprocessing, region activation, angle correction, feature value extraction, and the like), segmenting, decoding, and the like. In the process of playing the video, after image decoding can be carried out on each video frame in the video, the graph identification code detection processing is carried out on the analyzed video frame; or after the first type of user operation is obtained, the detection processing of the graphic identification code can be carried out on the analyzed target video frame.
In a specific implementation manner, after a first type of user operation sent by a user is obtained, a graphical identification code is detected and processed on a target video frame targeted by the first type of user operation, at this time, the determining whether the target video frame targeted by the first type of user operation contains the graphical identification code is: performing pattern recognition code detection processing on the target video frame targeted by the first type of user operation, so as to obtain whether the target video frame contains a pattern recognition code according to a detection result, wherein the detection processing at least comprises: the presence or absence of a pattern recognition code is detected.
In a second specific implementation manner, before the obtaining of the first type of user operation sent by the user, the method may further include: in the process of playing a video, after image decoding is carried out on each video frame in the video, pattern identification code detection processing is carried out on the analyzed video frame; wherein the detection process comprises at least: detecting whether a pattern identification code exists; correspondingly, the determining whether the target video frame targeted by the first type of user operation includes a graphical identification code includes: obtaining a detection result corresponding to a target video frame aimed at by the first type of user operation; and judging whether the detection result indicates that the target video frame contains a graphic identification code.
Since some commonly used players may have a function of pausing the playing in response to a user's click action on the screen, in the embodiment of the present invention, the first type of user operation may also be a user's click action on the screen. In order to receive other intentions except for the user activated graphical identification code when the user clicks the picture, the area of the graphical identification code in the video frame can be obtained under the condition that the graphical identification code exists in the video frame, whether the first type of user operation is the operation of the user aiming at the area of the graphical identification code is correspondingly further judged, and if the result of the further judgment is yes, the output of the activation result corresponding to the graphical identification code is executed. The detection of the region in which the pattern recognition code is located in the video frame may be performed together with the detection of the presence of the pattern recognition code.
Of course, it is also reasonable to consider that the pattern recognition code is usually located at the lower left or lower right of the video frame, and instead of detecting the region in which the pattern recognition code is located in the video frame, the first type of operation may be predefined as an operation directed to a specific region of the video frame.
S103, if the judgment result is yes, outputting the activation result corresponding to the graphic identification code in the video frame.
In view of the wide application of the pattern recognition code, the activation result corresponding to the pattern recognition code in the video frame is output to the user, which may correspond to various functions or processes for enabling the user to obtain the information in the pattern recognition code, such as website opening, identity activation, advertisement information pushing, and the like. The activation of the graphical identification code as referred to herein encompasses all functions or processes that obtain the information contained in the graphical identification code and output such information in various forms to the user.
The pattern recognition code detection process may further include: under the condition that the graphic identification code exists in the video frame, obtaining an activation result corresponding to the graphic identification code in the video frame; the outputting of the activation result corresponding to the pattern identification code included in the target video frame includes:
and outputting an activation result corresponding to the pattern identification code in the target video frame obtained by the pattern identification code detection processing.
As described above, when detecting whether the pattern recognition code exists in the current video frame, the activation of the pattern recognition code may also be completed together. If this is the case, only the result of the completed activation of the graphical identification code needs to be output to the user at this point in the present step. If the activation of the pattern recognition code is not performed when detecting whether the pattern recognition code exists, the activation of the pattern recognition code needs to be performed and the activation result is output to the user.
As can be seen from the embodiment shown in fig. 1, according to the method for activating a graphical identification code in a video provided by the embodiment of the present invention, a user only needs to send a first type of operation to an output video frame in a video playing process, and an activation result corresponding to the graphical identification code in the video frame can be automatically output.
The embodiment of the invention can also prompt the user to confirm the activation of the graphic identification code and continue to output the activation result corresponding to the graphic identification code in the target video frame under the condition that the user confirms. The playing of the video may be paused while the user is prompted and awaits confirmation.
The purpose of prompting the user for confirmation is to: when the pattern recognition code appears in the video playing picture, whether the user is interested in the pattern recognition code is judged, and if the user does not want to activate the pattern recognition code because the user is not interested, the video playing is continued. If the user is interested and a confirmation operation is given with respect to the activation of the pattern recognition code, a subsequent output of the activation result is performed.
Corresponding to the above method embodiment, the invention also provides a device for activating the pattern identification code in the video.
Referring to fig. 2, fig. 2 shows an apparatus for activating a pattern identifier in a video according to an embodiment of the present invention, which may include: a user operation obtaining module 201, a judging module 202 and an output module 203. Wherein,
a user operation obtaining module 201, configured to obtain a first type of user operation sent by a user in a video playing process;
a determining module 202, configured to determine whether a target video frame targeted by the first type of user operation includes a graphical identification code;
and the output module 203 is configured to output an activation result corresponding to the pattern identification code included in the target video frame if the determination result is yes.
As can be seen from the embodiment shown in fig. 2, according to the apparatus for activating a pattern identifier in a video provided by the embodiment of the present invention, a user only needs to send a first type of operation to an output video frame during a video playing process, and an activation result corresponding to the pattern identifier in the video frame can be automatically output.
Specifically, the first type of user operation is an operation directed to a predetermined region of a target video frame.
Furthermore, an apparatus for activating a pattern identifier in a video according to an embodiment of the present invention may further include:
the detection module is used for carrying out image decoding on each video frame in the video and carrying out graphic identification code detection processing on the analyzed video frame in the video playing process before the first type of user operation sent by the user is obtained; wherein the detection process comprises at least: detecting whether a pattern identification code exists;
correspondingly, the determining module 202 is specifically configured to:
obtaining a detection result corresponding to a target video frame aimed at by the first type of user operation; and judging whether the detection result indicates that the target video frame contains a graphic identification code.
Specifically, the pattern recognition code detection processing further includes: under the condition that the graphic identification code exists in the video frame, obtaining an activation result corresponding to the graphic identification code in the video frame;
the output module 203 is specifically configured to:
and outputting an activation result corresponding to the pattern identification code in the target video frame obtained by the pattern identification code detection processing.
Specifically, the pattern recognition code detection processing further includes: under the condition that the figure identification code is detected to exist in the video frame, obtaining the area of the figure identification code in the video frame;
the apparatus may further include a second determining module, configured to, when it is determined that the target video frame to which the first type of user operation is directed includes the graphics identifier: obtaining the area of the graphic identification code in the target video frame; further judging whether the first type of user operation is the operation of the user aiming at the area where the graphic identification code is located; and if so, continuing to output the activation result corresponding to the graphic identification code in the target video frame.
Furthermore, the apparatus for activating a graphical identification code in a video according to an embodiment of the present invention may further include a prompting module, configured to prompt a user to confirm that the graphical identification code is activated after it is determined that the target video frame targeted by the first type of user operation includes the graphical identification code, and when the user confirms that the user provides the confirmation, the apparatus continues to output an activation result corresponding to the graphical identification code in the target video frame.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Those skilled in the art will appreciate that all or part of the steps in the above method embodiments may be implemented by a program to instruct relevant hardware to perform the steps, and the program may be stored in a computer-readable storage medium, which is referred to herein as a storage medium, such as: ROM/RAM, magnetic disk, optical disk, etc.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (12)
1. A method for activating a pattern identifier in a video, comprising:
in the video playing process, obtaining a first type of user operation sent by a user;
judging whether a target video frame aimed at by the first type of user operation contains a graphic identification code;
and if so, outputting an activation result corresponding to the graphic identification code contained in the target video frame.
2. The method of claim 1, wherein the first type of user operation is an operation directed to a predetermined region of a target video frame.
3. The method of claim 1, wherein prior to said obtaining a first type of user action by a user, the method further comprises:
in the process of playing a video, after image decoding is carried out on each video frame in the video, pattern identification code detection processing is carried out on the analyzed video frame; wherein the detection process comprises at least: detecting whether a pattern identification code exists;
correspondingly, the determining whether the target video frame targeted by the first type of user operation includes a graphical identification code includes:
obtaining a detection result corresponding to a target video frame aimed at by the first type of user operation;
and judging whether the detection result indicates that the target video frame contains a graphic identification code.
4. The method of claim 3, wherein the pattern recognition code detection process further comprises: under the condition that the graphic identification code exists in the video frame, obtaining an activation result corresponding to the graphic identification code in the video frame;
the outputting of the activation result corresponding to the pattern identification code included in the target video frame includes:
and outputting an activation result corresponding to the pattern identification code in the target video frame obtained by the pattern identification code detection processing.
5. The method of claim 3 or 4, wherein the pattern recognition code detection process further comprises: under the condition that the figure identification code is detected to exist in the video frame, obtaining the area of the figure identification code in the video frame;
after it is determined that the target video frame targeted by the first type of user operation contains the graphical identification code, the method further includes:
obtaining the area of the graphic identification code in the target video frame;
further judging whether the first type of user operation is the operation of the user aiming at the area where the graphic identification code is located;
and if so, continuing to output the activation result corresponding to the graphic identification code in the target video frame.
6. The method according to claim 1, wherein after determining that the target video frame for which the first type of user operation is directed includes a graphic identification code, the method further comprises:
prompting the user to confirm the activation of the graphic identification code and continuously outputting the activation result corresponding to the graphic identification code in the target video frame under the condition that the user confirms.
7. An apparatus for activating a pattern recognition code in a video, comprising:
the user operation obtaining module is used for obtaining a first type of user operation sent by a user in the video playing process;
the judging module is used for judging whether the target video frame aimed at by the first type of user operation contains a graphic identification code;
and the output module is used for outputting the activation result corresponding to the graphic identification code contained in the target video frame if the judgment result is yes.
8. The apparatus of claim 7, wherein the first type of user operation is an operation directed to a predetermined region of a target video frame.
9. The apparatus of claim 7, further comprising:
the detection module is used for carrying out image decoding on each video frame in the video and carrying out graphic identification code detection processing on the analyzed video frame in the video playing process before the first type of user operation sent by the user is obtained; wherein the detection process comprises at least: detecting whether a pattern identification code exists;
correspondingly, the judging module is specifically configured to:
obtaining a detection result corresponding to a target video frame aimed at by the first type of user operation; and judging whether the detection result indicates that the target video frame contains a graphic identification code.
10. The apparatus of claim 9, wherein the pattern recognition code detection process further comprises: under the condition that the graphic identification code exists in the video frame, obtaining an activation result corresponding to the graphic identification code in the video frame;
the output module is specifically configured to:
and outputting an activation result corresponding to the pattern identification code in the target video frame obtained by the pattern identification code detection processing.
11. The apparatus according to claim 9 or 10, wherein the pattern recognition code detection process further comprises: under the condition that the figure identification code is detected to exist in the video frame, obtaining the area of the figure identification code in the video frame;
the device further comprises a second judging module, configured to, when it is judged that the target video frame to which the first type of user operation is directed includes the graphics identification code: obtaining the area of the graphic identification code in the target video frame; further judging whether the first type of user operation is the operation of the user aiming at the area where the graphic identification code is located; and if so, continuing to output the activation result corresponding to the graphic identification code in the target video frame.
12. The apparatus according to claim 7, further comprising a prompting module, configured to prompt a user to confirm activation of the graphical identifier after it is determined that the target video frame to which the first type of user operation is directed includes the graphical identifier, and if the user confirms that the activation is given, the apparatus continues to output an activation result corresponding to the graphical identifier in the target video frame.
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| KR20110105369A (en) * | 2011-09-08 | 2011-09-26 | (주)이컴앤드시스템 | A 2d barcode image extracting/decoding device, and the method therefor |
| CN104219582A (en) * | 2014-09-02 | 2014-12-17 | 天津云辰科技有限公司 | Method and system for video player to acquire two-dimensional bar code information from videos |
| CN104219572A (en) * | 2014-09-26 | 2014-12-17 | 广州创维平面显示科技有限公司 | Video-related information implicit transmission content distribution method and device |
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