CN106228207B - The method and apparatus of the graphic code shown in identification family's playback equipment - Google Patents
The method and apparatus of the graphic code shown in identification family's playback equipment Download PDFInfo
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- CN106228207B CN106228207B CN201610573544.6A CN201610573544A CN106228207B CN 106228207 B CN106228207 B CN 106228207B CN 201610573544 A CN201610573544 A CN 201610573544A CN 106228207 B CN106228207 B CN 106228207B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
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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
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1417—2D bar codes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
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Abstract
The invention discloses a kind of method and apparatus of the graphic code shown in identification family's playback equipment, belong to field of terminal technology.Method includes: the source video sequence for obtaining the currently playing video pictures of family's playback equipment；It obtains and intercepts interface with the matched picture of the source video sequence, and interface is intercepted by the picture, grab the video pictures；Crawl includes the images to be recognized of graphic code from the video pictures；Graphic code is identified from the images to be recognized.Device includes: the first acquisition module, the first handling module, the second handling module and identification module.Family's playback equipment is according to different source video sequences, by different video intercepting interface grabbing graphics, to improve crawl efficiency；Also, family's playback equipment first grabs currently playing video pictures, therefore even if the graphic code shown in current video disappears, and family's playback equipment identification graphic code is nor affected on, to improve the success rate of identification graphic code.
Description
Technical field
The present invention relates to field of terminal technology, in particular to the side of the graphic code shown in a kind of identification family's playback equipment
Method and device.
Background technique
Two dimensional code is due to easy to use, using more and more extensive in life；For example, TV station in order to reach and user into
The purpose of row interaction, two dimensional code is applied in TV programme；Two dimensional code is shown when playing video and is working as forward sight by television set
Frequency plays in the page, just needs to identify that current video plays the two dimensional code shown in the page at this time, to realize and TV station
Interaction.
Summary of the invention
In order to solve problems in the prior art, the present invention provides the graphic codes shown in a kind of identification family's playback equipment
Method and apparatus.Technical solution is as follows:
A method of the graphic code shown in identification family's playback equipment, which comprises
Obtain the source video sequence of the currently playing video pictures of family's playback equipment；
It obtains and intercepts interface with the matched picture of the source video sequence, and pass through picture interception interface, described in crawl
Video pictures；
Crawl includes the images to be recognized of graphic code from the video pictures；
Graphic code is identified from the images to be recognized.
A kind of device identifying the graphic code shown in family's playback equipment, described device include:
First obtains module, for obtaining the source video sequence of the currently playing video pictures of family's playback equipment；
First handling module intercepts interface with the matched picture of the source video sequence for obtaining, and passes through the picture
Interface is intercepted, the video pictures are grabbed；
Second handling module, for images to be recognized of the crawl comprising graphic code from the video pictures；
Identification module, for identifying graphic code from the images to be recognized.
In the embodiment of the present invention, family's playback equipment passes through different video intercepting interfaces according to different source video sequences
Grabbing graphics, to improve crawl efficiency；Also, family's playback equipment first grabs currently playing video pictures, then from
Crawl includes the images to be recognized of graphic code in the video pictures, graphic code is identified from the images to be recognized, even if currently
The graphic code shown in video disappears, and family's playback equipment identification graphic code is nor affected on, to improve identification graphic code
Success rate.
Detailed description of the invention
Fig. 1 is the method flow of graphic code shown in a kind of identification family playback equipment that the embodiment of the present invention 1 provides
Figure；
Fig. 2 is the method flow of graphic code shown in a kind of identification family playback equipment that the embodiment of the present invention 2 provides
Figure；
Fig. 3-1 is the method stream of graphic code shown in a kind of identification family playback equipment that the embodiment of the present invention 3 provides
Cheng Tu；
Fig. 3-2 is a kind of schematic diagram for display identification region that the embodiment of the present invention 3 provides；
Fig. 3-3 is the schematic diagram for another display identification region that the embodiment of the present invention 3 provides；
Fig. 3-4 is that the position in a kind of video pictures that the embodiment of the present invention 3 provides the signal of the probability of graphic code occurs
Figure；
Fig. 3-5 is the schematic diagram that images to be recognized is divided into 2 image blocks that the embodiment of the present invention 3 provides；
Fig. 3-6 is the schematic diagram that images to be recognized is divided into 3 image blocks that the embodiment of the present invention 3 provides；
Fig. 3-7 is the schematic diagram that images to be recognized is divided into 6 image blocks that the embodiment of the present invention 3 provides；
Fig. 3-8 is the schematic diagram that images to be recognized is divided into 9 image blocks that the embodiment of the present invention 3 provides；
Fig. 4 is the method flow of graphic code shown in a kind of identification family playback equipment that the embodiment of the present invention 4 provides
Figure；
Fig. 5 is the apparatus structure of graphic code shown in a kind of identification family playback equipment that the embodiment of the present invention 5 provides
Schematic diagram.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment 1
Referring to Fig. 1, the embodiment of the invention provides a kind of family's playback equipment 100, including at least player 101 including
There are one or the processor 102 of more than one processing core.
It should be understood that family's playback equipment 100 is other than including above-mentioned two component, it can also include other portions
Part.For example, family's playback equipment 100 can also include memory 103, input unit 104, display unit 105, sensor 106,
Voicefrequency circuit 107, WiFi (wireless fidelity, Wireless Fidelity) components such as module 108 and transceiver 109, memory
103 include one or more computer readable storage medium.It should be stressed that: those skilled in the art can be with
Understand, family's playback equipment structure shown in Fig. 1 does not constitute the restriction to family's playback equipment 100, may include than figure
Show more or fewer components, perhaps combines certain components or different component layouts.
And transceiver 109 can be used for receive and send messages or communication process in carry out signal and send and receive, especially
One or the processing of more than one processor 102 after receiving the downlink information of base station, are transferred in ground；In addition, uplink will be related to
Data are sent to base station.In general, transceiver 109 includes but is not limited to antenna, at least one amplifier, tuner, one or more
A oscillator, SIM (Subscriber Identity Module, client identification module) card, transceiver, coupler, LNA
(Low Noise Amplifier, low-noise amplifier), duplexer etc..In addition, transceiver 109 can also be by wireless communication
It is communicated with network and other equipment.Any communication standard or agreement, including but not limited to GSM can be used in the wireless communication
(Global System of Mobile communication, global system for mobile communications), GPRS (General Packet
Radio Service, general packet radio service), CDMA (Code Division Multiple Access, CDMA),
WCDMA (Wideband Code Division Multiple Access, wideband code division multiple access), LTE (Long Term
Evolution, long term evolution), Email, SMS (Short Messaging Service, short message service) etc..
Memory 103 can also be used to store software program and module, and processor 102 can be stored in storage by operation
The software program and module of device 103, thereby executing various function application and data processing.Memory 103 can mainly include
Storing program area and storage data area, wherein storing program area can application journey needed for storage program area, at least one function
Sequence (such as sound-playing function, image player function etc.) etc.；Storage data area can be stored to be made according to family's playback equipment 100
With the data (such as audio data, phone directory etc.) etc. created.In addition, memory 103 may include that high random access is deposited
Reservoir can also include nonvolatile memory, for example, at least a disk memory, flush memory device or other volatibility
Solid-state memory.Correspondingly, memory 103 can also include Memory Controller, to provide processor 102 and input unit
The access of 104 pairs of memories 103.
Input unit 104 can be used for receiving the number or character information of input, and generate and user setting and function
Control related keyboard, mouse, operating stick, optics or trackball signal input.Specifically, input unit 104 may include touching
Sensitive surfaces 141 and other input equipments 142.Touch sensitive surface 141, also referred to as touch display screen or Trackpad are collected and are used
Family on it or nearby touch operation (such as user using any suitable object or attachment such as finger, stylus in touch-sensitive table
Operation on face 141 or near touch sensitive surface 141), and corresponding attachment device is driven according to preset formula.It is optional
, touch sensitive surface 141 may include both touch detecting apparatus and touch controller.Wherein, touch detecting apparatus detection is used
The touch orientation at family, and touch operation bring signal is detected, transmit a signal to touch controller；Touch controller is from touch
Touch information is received in detection device, and is converted into contact coordinate, then gives processor 102, and can receive processor 102
The order sent simultaneously is executed.Furthermore, it is possible to using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves
Realize touch sensitive surface 141.In addition to touch sensitive surface 141, input unit 104 can also include other input equipments 142.Specifically,
Other input equipments 142 can include but is not limited to physical keyboard, function key (such as volume control button, switch key etc.),
One of trace ball, mouse, operating stick etc. are a variety of.
Display unit 105 can be used for showing that photo display interface, camera preset interface, information input by user or offer
The various graphical user interface of information and family's playback equipment 100 to user, these graphical user interface can by figure,
Text, icon, video and any combination thereof are constituted.Display unit 105 may include display panel 151, optionally, can use
LCD (Liquid Crystal Display, liquid crystal display), OLED (Organic Light-Emitting Diode, it is organic
Light emitting diode) etc. forms configure display panel 151.Further, touch sensitive surface 141 can cover display panel 151, work as touching
After sensitive surfaces 141 detect touch operation on it or nearby, processor 102 is sent to determine the type of touch event,
It is followed by subsequent processing device 102 and provides corresponding visual output on display panel 151 according to the type of touch event.Although in Fig. 1,
Touch sensitive surface 141 and display panel 151 are to realize input and input function as two independent components, but in certain realities
It applies in example, touch sensitive surface 141 and display panel 151 can be integrated and realizes and output and input function.
Family's playback equipment 100 includes at least one sensor 106, for example, optical sensor, motion sensor and other
Sensor.Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can basis
The light and shade of ambient light adjusts the brightness of display panel 151, and proximity sensor can be moved in one's ear in family's playback equipment 100
When, close display panel 151 and/or backlight.As a kind of motion sensor, gravity accelerometer can detect each side
The size of (generally three axis) acceleration upwards, can detect that size and the direction of gravity, can be used to identify family and broadcast when static
Put application (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), the Vibration identification correlation function (ratio of equipment posture
Such as pedometer taps)；It is the gyroscope that can also configure as family's playback equipment 100, barometer, hygrometer, thermometer, red
The other sensors such as outside line sensor, details are not described herein.
Voicefrequency circuit 107 includes loudspeaker 171 and microphone 172, loudspeaker 171 and microphone 172 can provide user with
Audio interface between family's playback equipment 100.Voicefrequency circuit 107 can by the audio data received convert after electric signal,
It is transferred to loudspeaker 171, voice signal output is converted to by loudspeaker 171；On the other hand, microphone 172 is by the sound of collection
Signal is converted to electric signal, is converted to audio data after being received by voicefrequency circuit 107, then by audio data output processor 102
After processing, such as another family's playback equipment is sent to through transceiver 109, or audio data is exported to memory 103
To be further processed.Voicefrequency circuit 107 is also possible that earphone jack, to provide peripheral hardware earphone and family's playback equipment 100
Communication.
WiFi belongs to short range wireless transmission technology, and family's playback equipment 100 can help user by WiFi module 108
It sends and receive e-mail, browse webpage and access streaming video etc., it provides wireless broadband internet access for user.Although
Fig. 1 shows WiFi module 108, but it is understood that, and it is not belonging to must be configured into for family's playback equipment 100, it is complete
It can according to need within the scope of not changing the essence of the invention and omit entirely.
Processor 102 is the control centre of family's playback equipment 100, is broadcast using various interfaces and the entire family of connection
The various pieces for putting equipment, by running or executing the software program and/or module that are stored in memory 103, and calling
The data being stored in memory 103 execute the various functions and processing data of family's playback equipment 100, to broadcast to family
It puts equipment 100 and carries out integral monitoring.Optionally, processor 102 can integrate application processor and modem processor, wherein
The main processing operation system of application processor, user interface and application program etc., modem processor mainly handles channel radio
Letter.It is understood that above-mentioned modem processor can not also be integrated into processor 102.
Family's playback equipment 100 further includes the power supply 109 (such as battery) powered to all parts, it is preferred that power supply 109
Can be logically contiguous by power-supply management system and processor 102, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.Power supply 109 can also include one or more direct current or AC power source, recharge
The random components such as system, power failure detection circuit, power adapter or inverter, power supply status indicator.
Although being not shown, family's playback equipment 100 can also be including bluetooth module etc., and details are not described herein.Specifically at this
In embodiment, the display unit of family's playback equipment is touch-screen display, family's playback equipment further include have memory, and
One perhaps more than one program one of them or more than one program be stored in memory, and be configured to by one
A or more than one processor executes.The one or more programs include the instruction for performing the following operations:
Obtain the source video sequence of the currently playing video pictures of family's playback equipment；
It obtains and intercepts interface with the matched picture of the source video sequence, and pass through picture interception interface, described in crawl
Video pictures；
Crawl includes the images to be recognized of graphic code from the video pictures；
Graphic code is identified from the images to be recognized.
Optionally, the crawl from the video pictures includes the images to be recognized of graphic code, comprising:
Using the video pictures as images to be recognized, the video pictures include graphic code；Alternatively,
Obtain the identification region selected in the video pictures with the matched control equipment of family's playback equipment, institute
Stating the video pictures in identification region includes graphic code, and the video pictures grabbed in the identification region obtain images to be recognized.
It is optionally, described to identify graphic code from the images to be recognized, comprising:
The images to be recognized is divided into preset number image block composition image block set, and described image block is set
The priority of each image block in set；
According to the priority of each image block, image block is selected from described image set of blocks, and from the selection
Image block in identify graphic code, until identifying graphic code.
Optionally, the priority of each image block in the setting described image set of blocks, comprising:
There is the probability of graphic code in history on each image block in acquisition described image set of blocks；
There is the probability of graphic code according to history on each image block, the priority of each image block is set.
Optionally, before the source video sequence for obtaining the currently playing video pictures of family's playback equipment, further includes:
It receives the identification sent with the matched control equipment of family's playback equipment to instruct, the control equipment includes graphic code
Recognition button, the identification instruct the control equipment to detect and send when the graphic code recognition button is triggered；
It is described before identifying graphic code in the images to be recognized, further includes:
Processing is zoomed in and out to the images to be recognized, and sets default figure for the picture format of the images to be recognized
As format.
In the embodiment of the present invention, family's playback equipment passes through different video intercepting interfaces according to different source video sequences
Grabbing graphics, to improve crawl efficiency；Also, family's playback equipment first grabs currently playing video pictures, then from
Crawl includes the images to be recognized of graphic code in the video pictures, graphic code is identified from the images to be recognized, even if currently
The graphic code shown in video disappears, and family's playback equipment identification graphic code is nor affected on, to improve identification graphic code
Success rate.
Embodiment 2
The embodiment of the invention provides a kind of method of the graphic code shown in identification family's playback equipment, this method is held
Row main body can be family's playback equipment；Referring to fig. 2, this method comprises:
Step 201: obtaining the source video sequence of the currently playing video pictures of family's playback equipment.
Step 202: obtaining and intercept interface with the matched picture of the source video sequence, and interface, crawl are intercepted by the picture
Video pictures.
Step 203: crawl includes the images to be recognized of graphic code from the video pictures.
Step 204: graphic code is identified from images to be recognized.
Step 203, comprising:
Using the video pictures as images to be recognized, which includes graphic code；Alternatively,
Obtain the identification region selected in video pictures with the matched control equipment of family's playback equipment, the identification region
Interior video pictures include graphic code, and the video pictures grabbed in the identification region obtain images to be recognized.
Family, which plays, to be arranged directly using the video pictures as images to be recognized, subsequent to identify from the images to be recognized
Graphic code is participated in without user, improves the efficiency of identification graphic code.
When obtaining images to be recognized, user can manually select the identification region comprising graphic code by controlling equipment,
The video pictures that family's playback equipment grabs in the identification region obtain images to be recognized, to improve the standard of identification graphic code
True rate.
Step 204, it can be realized by following steps 2041-2043, comprising:
2041: images to be recognized is divided into preset number image block composition image block set.
2042: the priority of each image block in setting image block set.
2043: according to the priority of each image block, selecting image block from image block set, and from the image of the selection
Graphic code is identified in block, until identifying graphic code.
Due to the priority according to each image block, image block is selected from image block set, is selected to improve
The probability of image block comprising graphic code shortens the time for selecting the image block comprising graphic code, improves identification figure
The efficiency of code.
2042, comprising:
There is the probability of graphic code in history on each image block in acquisition image block set；
There is the probability of graphic code according to history on each image block, the priority of each image block is set.
There is the probability of graphic code according to history on each image block, the priority of each image block is set, improves and sets
Set accuracy.
Before step 201, further includes:
It receives the identification sent with the matched control equipment of family's playback equipment to instruct, control equipment includes graphic code identification
Button, identification instruction control equipment detects to be sent when graphic code recognition button is triggered；
In the embodiment of the present invention, user only needs to click the graphic code recognition button in control equipment, that is, can trigger family
Playback equipment identifies graphic code, easy to operate, to improve recognition efficiency.
Before step 204, further includes:
Processing is zoomed in and out to images to be recognized, and sets pre-set image format for the picture format of images to be recognized.
If images to be recognized is larger, it is directed to biggish identification range, accuracy of identification will decline to a great extent；If wait know
Other image is smaller, and graphic code can be deformed or resolution ratio reduces；Therefore, processing is zoomed in and out to images to be recognized, it can
Improve the accuracy of identification of identification graphic code；Also, pre-set image format is set by the picture format of images to be recognized, also will
The picture format of images to be recognized is set as unified picture format, can be improved recognition efficiency.
In the embodiment of the present invention, family's playback equipment passes through different video intercepting interfaces according to different source video sequences
Grabbing graphics, to improve crawl efficiency；Also, family's playback equipment first grabs currently playing video pictures, then from
Crawl includes the images to be recognized of graphic code in the video pictures, graphic code is identified from the images to be recognized, even if currently
The graphic code shown in video disappears, and family's playback equipment identification graphic code is nor affected on, to improve identification graphic code
Success rate.
Embodiment 3
The embodiment of the invention provides a kind of methods of the graphic code shown in identification family's playback equipment, of the invention real
It applies in example and currently playing video pictures is grabbed as being illustrated for images to be recognized using family's playback equipment.
Referring to Fig. 3-1, this method comprises:
Step 301: family's playback equipment receives the identification sent with the matched control equipment of family's playback equipment and instructs.
Family's playback equipment can be home television set or PC (personal computer, personal computer) terminal
Etc. any equipment for having and playing video capability；Control equipment can send setting for control instruction to family's playback equipment to be any
It is standby；For example, control equipment is remote controler matched with home television set when family's playback equipment is home television set；It is main
When front yard playback equipment is PC terminal, control equipment is keyboard matched with PC terminal.
Increase graphic code recognition button newly on the control device, namely control equipment includes graphic code recognition button；Graphic code
Recognition button can be the buttons such as " graphic code scanning " or " sweep and sweep ".Graphic code can be two dimensional code or bar code etc..
When including graphic code or when family's playback equipment is currently shown in the currently playing video pictures of family's playback equipment
When in the image shown including graphic code, user can be played to family by pressing graphic code recognition button triggering control equipment and be set
Preparation send identification to instruct, namely identification instruction control equipment is detected and sent when graphic code recognition button is triggered, specifically
Process can be with are as follows:
Equipment test pattern code recognition button is controlled, when detecting that the graphic code recognition button is triggered, Xiang Jiating is broadcast
It puts equipment and sends identification instruction；The identification instruction that family's playback equipment receiving control apparatus is sent, executes step 302.
It should be noted that family's playback equipment includes infrared driving detection module, pass through the infrared driving detection module
When detecting the identification instruction that control equipment is sent, the identification that receiving control apparatus is sent is instructed.
Step 302: family's playback equipment is instructed according to the identification, obtains the currently playing video pictures of family's playback equipment
Source video sequence.
Due to different source video sequences, the picture interception interface that family's playback equipment grabs video pictures is different, therefore, family
Front yard playback equipment is instructed according to the identification, obtains the source video sequence of the currently playing video pictures of family's playback equipment.
Source video sequence can access for the local of family's playback equipment or outside；Local video can be Android (peace
It is tall and erect) video of system, outside access video can be to pass through HDMI (High Definition Multimedia
Interface, high-definition multimedia interface) access video, pass through AV (Audio&Video, household audio-visual devices transmission end
Mouthful) video of access or the video etc. that is accessed by colour difference signal line.
It include channel monitoring module in family's playback equipment, family's playback equipment calls the channel monitoring module, to family
The channel of the currently playing video pictures of playback equipment is monitored identification, judges that currently playing video pictures are local videos
Or it is external to access video；If it is local video, family's playback equipment determines the source video sequence of currently playing video pictures
For local；If it is the video of outside access, family's playback equipment determines that the source video sequence of currently playing video pictures is outer
Portion's access.
Step 303: family's playback equipment, which is obtained, intercepts interface with the matched picture of source video sequence.
Family's playback equipment according to the source video sequence, from obtained in the corresponding relationship of source video sequence and picture interception interface with
The matched picture of the source video sequence intercepts interface.
For example, it can be Mastar (artificial portable monitor and mesh that picture, which intercepts interface, if source video sequence is external access
Mark search system) the screenshotss interface (the screenshotss interface support HDMI, AV and colour difference signal line etc.) that provides；If source video sequence is
Local, it can be Android standard screenshot interface that picture, which intercepts interface,；If image is currently shown in family's playback equipment,
Then picture interception interface can be a kind of DirectFB (picture interception interface name) interface.
Step 304: family's playback equipment intercepts interface, the currently playing video of crawl family's playback equipment by the picture
Picture, and using the video pictures as images to be recognized.
Family's playback equipment intercepts the interface video pictures currently playing to family's playback equipment by the picture and cuts
Screen, to grab the currently playing video pictures of family's playback equipment.
Further, after the currently playing video pictures of family's playback equipment crawl family's playback equipment, the view is stored
Frequency picture, when manually selecting identification region in order to subsequent user, family's playback equipment is directly grabbed on the video pictures
It takes, without repeating to grab, improves recognition efficiency.
Further, if the video frame of images to be recognized is excessive or color transition is larger, it is easy especially to contain
The other elements obscured, then be difficult to identify that correct graphic code；Similarly, if the clarity of images to be recognized is very low, example
As long as and due to being shown on the very high screen of resolution ratio, graphic code is bound to be deformed or resolution ratio such as 800*600
It reduces, therefore diminution identification range is extremely important for picture proof graphic code accuracy of identification, therefore, in embodiments of the present invention, from
Before identifying graphic code in images to be recognized, family's playback equipment zooms in and out processing to images to be recognized, is specifically as follows:
Family's playback equipment handles images to be recognized for the image of pre-set image size.
Pre-set image size, which can according to need, to be configured and changes, in embodiments of the present invention to pre-set image size
It is not especially limited；Such as pre-set image size is 1024*768 etc..
For example, the screen of family playback equipment is high definition screen at present, thus the images to be recognized grabbed be divided into it is huge,
The resolution ratio of 4K family playback equipment can reach 4096*2160, and the high definition picture of big resolution ratio is reduced to normal resolution
(1024*768), picture ratio are 16: 9, namely zoom in and out place to images to be recognized according to the ratio that picture ratio is 16: 9
Reason.
Further, the picture format of different pictures interception interface access is also different, and picture format includes bmp (one
Kind picture format title) and jpeg (a kind of picture format title) etc.；It, will in order to improve recognition efficiency in inventive embodiments
The image format conversion of images to be recognized is a kind of jpg (picture format title) format, and detailed process can be with are as follows:
The picture format of images to be recognized is set pre-set image format by family's playback equipment.
Pre-set image format, which can according to need, to be configured and changes, in embodiments of the present invention, to pre-set image lattice
Formula is not especially limited；For example, pre-set image format can be jpg format.
Further, family's playback equipment identifies image to be identified by default recognizer, if it is possible to
Graphic code is identified from images to be recognized, is terminated, and does not need to execute step 305 and 306, to improve recognition efficiency；Such as
Fruit cannot identify graphic code from images to be recognized, execute step 305.
Default recognizer is the recognizer of existing any identification graphic code, in embodiments of the present invention, to default
Recognizer is not especially limited, for example, default recognizer is two dimensional code recognizer etc..
Step 305: the images to be recognized is divided into preset number image block composition image block collection by family's playback equipment
It closes, and the priority for each image block being arranged in image block set.
When the graphic code that family's playback equipment includes in through graphic code recognizer identification images to be recognized, if to
Identify that the element in image is entirely figure data code, then discrimination is very high；But it is removed if contained in images to be recognized
Other pictorial elements except graphic code, then discrimination is then extremely inefficient.
For example, with reference to Fig. 3-2 and Fig. 3-3, in Fig. 3-2, images to be recognized is all put into identification region, family's playback equipment
It needs to filter out the pictorial element for meeting graphic code standard by graphic code recognizer, since pictorial element is too many, so causing
Discrimination is low；In Fig. 3-3, there was only background image and graphic code image in identification region, therefore family's playback equipment is easy to
Graphic code is identified by graphic code recognizer.
Therefore, in order to improve discrimination, family's playback equipment, will be to be identified before identifying graphic code in images to be recognized
Image is divided into a image block composition image of preset number (for the ease of distinguishing, which is known as the first preset number)
The image block set (for the ease of distinguishing, is known as the first image block set) by set of blocks, and is played according to graphic code in family
The priority of each image block in the first image block set is arranged in the probability of appearance position in the screen of equipment, in order to
The subsequent priority according to each image block selects image block from the first image block set.
The step of priority of each image block in image block set is arranged in family's playback equipment can be with are as follows:
There is the probability of graphic code in history on each image block in acquisition image block set；According to history on each image block
There is the probability of graphic code, the priority of each image block is set.
First preset number is the integer greater than 1, and the first preset number can according to need and be configured and change,
In the embodiment of the present invention, the first preset number is not especially limited；For example, the first preset number can be 2,3,6 and 9.
The logo that Video Home face and TV station are covered by investigation does not influence user and watches video, examines simultaneously
Consider the various factors such as beauty, occurs following Fig. 3-4 institute of probability of the position of graphic code in station synchronization or video program
Show, be wherein the high probability position for graphic code occur on the right side of video pictures, the center of video pictures is that figure synchronous codes occur
High probability position is the low probability position for graphic code occur on the left of video pictures.
When the first preset number is 2, referring to Fig. 3-5, family's playback equipment controls images to be recognized from the central position
It is divided into the first image block and the second image block；First image block is image right block, and the second image block is left-side images block.Then
It is the first image that the collating sequence of the priority of the image block in the first image block set from high to low, which is arranged, in family's playback equipment
Block, the second image block grade.
When the first preset number is 3, referring to Fig. 3-6, family's playback equipment by images to be recognized or so be divided into it is equal greatly
Small the first image block, the second image block and third image block；First image block is image right block, and the second image block is centre
Image block, third image block are left-side images block.
The priority that the first image block is arranged in family's playback equipment is lower than the priority of the second image block, the second image block
Priority is lower than the priority of third image block.The priority of the image block in the first image block set is arranged in family's playback equipment
Collating sequence from high to low is the first image block, the second image block grade, third image block.
When the first preset number is 6, referring to Fig. 3-7, family's playback equipment divides above and below images to be recognized and left and right
For etc. sizes the first image block, the second image block, third image block, the 4th image block, the 5th image block and the 6th image block；
First image block is upper right image block, and the second image block is bottom right image block, third image block be in lower image block, the 4th image
Block goes up image block in being, the 5th image block is lower-left image block, and the 6th image block is upper left image block.The setting of family's playback equipment
The collating sequence of the priority of image block in first image block set from high to low be the first image block, the second image block grade,
Third image block, the 4th image block, the 5th image block and the 6th image block.
When the first preset number is 9, referring to Fig. 3-8, family's playback equipment divides above and below images to be recognized and left and right
For etc. the first image block of sizes, the second image block, third image block, the 4th image block, the 5th image block, the 6th image block,
7th image block, the 8th image block and the 9th image block.First image block is upper right image block, and the second image block is image in the right side
Block, third image block are bottom right image block, the 4th image block be in lower image block, the 5th image block is center image block, the 6th
Image block goes up image block in being, the 7th image block is lower-left image block, and the 8th image block is left image block, and the 9th image block is
Upper left image block；The collating sequence of the priority of the image block in the first image block set from high to low is arranged in family's playback equipment
For the first image block, the second image block, third image block, the 4th image block, the 5th image block, the 6th image block, the 7th image
Block, the 8th image block, the 9th image block.
Step 306: family's playback equipment selects image block according to the priority of each image block from image block set,
And graphic code is identified from the image block of selection, until identifying graphic code.
Family's playback equipment selects priority level highest according to the priority of each image block from the first image block set
Image block, identify graphic code from the image block of selection；If graphic code can be identified from the image block of selection, starting
The browser application of family's playback equipment accesses the corresponding webpage of graphic code by browser application.
If graphic code cannot be identified from the image block of selection, family's playback equipment is according in the first image block set
The priority of non-selected image block, from non-selected image block select a highest image block of priority level, and from this
Graphic code is identified in the image block of selection, until identifying graphic code.
It should be noted that images to be recognized is divided into the first preset number image block composition the by family's playback equipment
One image block set all cannot recognize that graphic code from all image blocks for including in the first image block set, then family is broadcast
It puts equipment and images to be recognized is divided into the second preset number image block the second image block set of composition, the second preset number is big
In the first preset number, and the second preset number is integer, and each image block being arranged in the second image block set is preferential
Grade selects image block according to the priority of each image block in the second image block set from the second image block, and from selection
Image block in identify graphic code, until identifying graphic code.
For example, family's playback equipment selects the first image from the first image block set when the first preset number is 2
Block identifies graphic code from the first image block, if it is possible to identify graphic code from the first image block, be played and set by family
The standby corresponding webpage of browser application access graphic code；If graphic code, family cannot be identified from the first image block
Front yard playback equipment selects the second image block from the first image block set, and identifies graphic code from the second image block.
If can not identify graphic code from the second image block, images to be recognized is divided by family's playback equipment
3 image blocks form the second image block sets, and from the image recognition graphic code in the second image block set.
If graphic code can be gone out from the image recognition in the second image block set, terminate；If cannot be from the second figure
As the image recognition in geometry goes out graphic code, then images to be recognized is divided into 6 image blocks compositions the by family's playback equipment
Three image block sets, and from the image recognition graphic code in the second image block set, and so on, until identifying figure
Code.
In the embodiment of the present invention, family's playback equipment passes through different video intercepting interfaces according to different source video sequences
Grabbing graphics, to improve crawl efficiency；Also, family's playback equipment first grabs currently playing video pictures, then from
Crawl includes the images to be recognized of graphic code in the video pictures, graphic code is identified from the images to be recognized, even if currently
The graphic code shown in video disappears, and family's playback equipment identification graphic code is nor affected on, to improve identification graphic code
Success rate.
Embodiment 4
The embodiment of the invention provides a kind of methods of the graphic code shown in identification family's playback equipment, of the invention real
It applies in example and the identification region comprising graphic code is manually selected by controlling equipment with user, family's playback equipment grabs the cog region
Image in domain for images to be recognized as being illustrated.
It should be noted that family's playback equipment can be shown in the identification family playback equipment by embodiment 3
When the method for graphic code cannot recognize that graphic code, pass through the graphic code that shows in the identification family playback equipment of embodiment 4
Method identifies graphic code.
Family's playback equipment can also receive the identification instruction when, prompt user automatically grab images to be recognized (
The method of the graphic code shown in identification family playback equipment i.e. in embodiment 3) still to manually select identification region (namely real
The method for applying the graphic code shown in the identification family playback equipment in example 4), detailed process can be with are as follows:
Family's playback equipment according to the identification instruct, display reminding information, the prompting message include automatically grab button and
Manually select button, automatically grab button for trigger automatically grab order, with trigger family's playback equipment grab it is currently playing
Video pictures as images to be recognized, (namely family's playback equipment in the identification family playback equipment of embodiment 3 by showing
Graphic code method identify graphic code)；Button is manually selected for triggering crawl order manually, to trigger family's playback equipment
Image in the identification region is grabbed as images to be recognized, and (namely family's playback equipment is broadcast by the identification family of embodiment 4
Put the method identification graphic code of the graphic code shown in equipment).
If family's playback equipment detects that automatic interception button is triggered, family's playback equipment grabs currently playing
(namely family's playback equipment is by showing in the identification family playback equipment of embodiment 3 as images to be recognized for video pictures
The method of graphic code identifies graphic code)；If family's playback equipment detects that manually selecting button is triggered, family plays and sets
As images to be recognized, (namely family's playback equipment passes through the identification family of embodiment 4 to the standby image grabbed in the identification region
The method of the graphic code shown in playback equipment identifies graphic code)
The method for the graphic code that certain family's playback equipment is shown in the identification family playback equipment by embodiment 3 is known
During other graphic code, when control equipment detects that user triggers the directionkeys for including in control equipment, plays and set to family
Preparation, which is sent, manually selects order；What family's playback equipment receiving control apparatus was sent manually selects order, and passes through implementation
The method of the graphic code shown in the identification family playback equipment of example 4 identifies graphic code.
Referring to fig. 4, this method comprises:
Step 401: family's playback equipment receives the identification sent with the matched control equipment of family's playback equipment and instructs.
Step 301 in this step and embodiment 3 is identical, is no longer described in detail herein.
Step 402: family's playback equipment is instructed according to the identification, obtains the currently playing video pictures of family's playback equipment
Source video sequence.
Step 302 in this step and embodiment 3 is identical, is no longer described in detail herein.
Step 403: family's playback equipment, which is obtained, intercepts interface with the matched picture of source video sequence.
Step 303 in this step and embodiment 3 is identical, is no longer described in detail herein.
Step 404: family's playback equipment intercepts interface, the currently playing video of crawl family's playback equipment by the picture
Picture.
Step 304 in this step and embodiment 3 is identical, is no longer described in detail herein.
If the method for the graphic code that family's playback equipment is shown in the identification family playback equipment by embodiment 3 is not
When can recognize that graphic code, graphic code is identified by the method for the graphic code shown in the identification family playback equipment of embodiment 4
When, video pictures are stored in family's playback equipment, then step 402-404 could alternatively be:
Family's playback equipment is instructed according to the identification, obtains stored video pictures.
Step 405: family's playback equipment obtains the identification region that control equipment selects in video pictures, the identification region
Interior video pictures include graphic code.
Shown on family's playback equipment identification frame, control equipment on include four direction key and a confirmation key, four
A direction key is respectively upper key, down key, left button and right button；Upper key is for moving up identification frame, and down key is for moving down
Identify that frame, left button identify frame for moving right for being moved to the left identification frame, right button, acknowledgement key is for submitting confirmation instruction to give
Family's playback equipment.Therefore, user can be by position of the mobile identification frame of direction key on family's playback equipment, by figure
Code is moved in identification frame, and the position of the identification frame by confirmation key after selected mobile, and detailed process can be with are as follows:
When control equipment detects that key is triggered, the transmission of Xiang Jiating playback equipment moves up instruction；Family's playback equipment connects
That receives that control equipment sends moves up instruction, and moves up instruction according to this, and the identification frame shown in video pictures is moved up the
One preset step-length.
When control equipment detects that down key is triggered, the transmission of Xiang Jiating playback equipment moves down instruction；Family's playback equipment connects
That receives that control equipment sends moves down instruction, and moves down instruction according to this, and the identification frame shown in video pictures is moved down the
Two preset step-lengths.
When control equipment detects that left button is triggered, Xiang Jiating playback equipment sends left shift instruction；Family's playback equipment connects
The left shift instruction that control equipment is sent is received, and according to the left shift instruction, the identification frame shown in video pictures is moved to the left the
Three preset step-lengths.
When control equipment detects that right button is triggered, Xiang Jiating playback equipment sends right shift instruction；Family's playback equipment connects
The right shift instruction that control equipment is sent is received, and according to the right shift instruction, the identification frame shown in video pictures is moved right the
Four preset step-lengths.
When control equipment detects that confirmation key is triggered, Xiang Jiating playback equipment sends confirmation instruction；Family plays and sets
The confirmation instruction that standby receiving control apparatus is sent, and instructed according to the confirmation, the current region in identification frame is obtained as identification
Region.
First preset step-length, the second preset step-length, third preset step-length and the 4th preset step-length can as needed into
Row is arranged and changes, pre- to the first preset step-length, the second preset step-length, third preset step-length and the 4th in embodiments of the present invention
If step-length is all not especially limited；Also, the default step of the first preset step-length, the second preset step-length, third preset step-length and the 4th
Length can be all identical, can also be all different, can also part it is identical.
Step 406: the video pictures in family's playback equipment crawl identification region obtain images to be recognized.
Further, after family's playback equipment grabs images to be recognized, family's playback equipment to images to be recognized into
Row scaling processing, and pre-set image format is set by the picture format of images to be recognized.
Step 407: family's playback equipment identifies graphic code from images to be recognized.
Family's playback equipment identifies graphic code from image to be identified by default recognizer.
In embodiments of the present invention, user can manually select the identification region comprising graphic code, family by controlling equipment
Front yard playback equipment grabs the image in the identification region as images to be recognized, and graphic code is identified from images to be recognized, from
And improve the accuracy rate of identification graphic code.
Embodiment 5
The embodiment of the invention provides a kind of devices 500 of the graphic code shown in identification family's playback equipment, referring to figure
5, which includes:
First obtains module 501, for obtaining the source video sequence of the currently playing video pictures of family's playback equipment；
First handling module 502 intercepts interface with the matched picture of source video sequence for obtaining, and is connect by picture interception
Mouthful, grab video pictures；
Second handling module 503, for images to be recognized of the crawl comprising graphic code from video pictures；
Identification module 504, for identifying graphic code from images to be recognized.
Optionally, the second handling module 503 is also used to using video pictures as images to be recognized, and video pictures include figure
Shape code；Alternatively,
Second handling module 503 is also used to obtain and select in video pictures with the family matched control equipment of playback equipment
The identification region selected, the video pictures in identification region include graphic code, and the video pictures grabbed in identification region are obtained wait know
Other image.
Optionally, identification module 504, comprising:
Division unit, for images to be recognized to be divided into preset number image block composition image block set；
Setting unit, the priority of each image block for being arranged in image block set；
Recognition unit selects image block for the priority according to each image block from image block set, and from selection
Image block in identify graphic code, until identifying graphic code.
Optionally, setting unit, is also used to obtain in image block set that the general of graphic code occurs in history on each image block
Rate；There is the probability of graphic code according to history on each image block, the priority of each image block is set.
Optionally, device further include:
Receiving module instructs for receiving the identification sent with the matched control equipment of family's playback equipment, controls equipment
Including graphic code recognition button, identification instruction control equipment detects to be sent when graphic code recognition button is triggered；
Processing module for zooming in and out processing to images to be recognized, and sets the picture format of images to be recognized to
Pre-set image format.
In the embodiment of the present invention, family's playback equipment passes through different video intercepting interfaces according to different source video sequences
Grabbing graphics, to improve crawl efficiency；Also, family's playback equipment first grabs currently playing video pictures, then from
Crawl includes the images to be recognized of graphic code in the video pictures, graphic code is identified from the images to be recognized, even if currently
The graphic code shown in video disappears, and family's playback equipment identification graphic code is nor affected on, to improve identification graphic code
Success rate.
It should be understood that the device of the graphic code shown in identification family's playback equipment provided by the above embodiment is being known
When the graphic code shown in other front yard playback equipment, only the example of the division of the above functional modules, practical application
In, it can according to need and be completed by different functional modules above-mentioned function distribution, i.e., be divided into the internal structure of device
Different functional modules, to complete all or part of the functions described above.In addition, identification family provided by the above embodiment
The embodiment of the method for the graphic code shown in the device of the graphic code shown in playback equipment and identification family's playback equipment belongs to
Same design, specific implementation process are detailed in embodiment of the method, and which is not described herein again.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of method of the graphic code shown in identification family's playback equipment, which is characterized in that the described method includes:
Obtain the source video sequence of the currently playing video pictures of family's playback equipment；
It obtains and intercepts interface with the matched picture of the source video sequence, and interface is intercepted by the picture, grab the video
Picture；
Crawl includes the images to be recognized of graphic code from the video pictures；
Graphic code is identified from the images to be recognized；
It is wherein, described to identify graphic code from the images to be recognized, comprising:
The images to be recognized is divided into preset number image block composition image block set, and described image set of blocks is set
In each image block priority；
According to the priority of each image block, image block is selected from described image set of blocks, and from the selected figure
As identifying graphic code in block.
2. the method according to claim 1, wherein the crawl from the video pictures includes graphic code
Images to be recognized, comprising:
Using the video pictures as images to be recognized, the video pictures include graphic code；Alternatively,
Obtain the identification region selected in the video pictures with the matched control equipment of family's playback equipment, the knowledge
Video pictures in other region include graphic code, and the video pictures grabbed in the identification region obtain images to be recognized.
3. the method according to claim 1, wherein each image block in the setting described image set of blocks
Priority, comprising:
There is the probability of graphic code in history on each image block in acquisition described image set of blocks；
There is the probability of graphic code according to history on each image block, the priority of each image block is set.
4. the method according to claim 1, wherein the currently playing video of family's playback equipment that obtains is drawn
Before the source video sequence in face, further includes:
It receives the identification sent with the matched control equipment of family's playback equipment to instruct, the control equipment includes graphic code identification
Button, the identification instruct the control equipment to detect and send when the graphic code recognition button is triggered；
It is described before identifying graphic code in the images to be recognized, further includes:
Processing is zoomed in and out to the images to be recognized, and sets pre-set image lattice for the picture format of the images to be recognized
Formula.
5. the device of graphic code shown in a kind of identification family's playback equipment, which is characterized in that described device includes:
First obtains module, for obtaining the source video sequence of the currently playing video pictures of family's playback equipment；
First handling module intercepts interface with the matched picture of the source video sequence for obtaining, and is intercepted by the picture
Interface grabs the video pictures；
Second handling module, for images to be recognized of the crawl comprising graphic code from the video pictures；
Identification module, for identifying graphic code from the images to be recognized；
The identification module, comprising:
Division unit, for the images to be recognized to be divided into preset number image block composition image block set；
Setting unit, the priority of each image block for being arranged in described image set of blocks；
Recognition unit selects image block for the priority according to each image block from described image set of blocks, and from
Graphic code is identified in the selected image block.
6. device according to claim 5, which is characterized in that second handling module is also used to draw the video
Face includes graphic code as images to be recognized, the video pictures；Alternatively,
Second handling module is also used to obtain with the matched control equipment of family's playback equipment in the video pictures
The identification region of middle selection, the video pictures in the identification region include graphic code, grab the video in the identification region
Picture obtains images to be recognized.
7. device according to claim 5, which is characterized in that the setting unit is also used to obtain described image block collection
There is the probability of graphic code in history on each image block in conjunction；There is the general of graphic code according to history on each image block
The priority of each image block is arranged in rate.
8. device according to claim 5, which is characterized in that described device further include:
Receiving module instructs, the control equipment for receiving the identification sent with the matched control equipment of family's playback equipment
Including graphic code recognition button, when the identification instruction is that the control equipment detects that the graphic code recognition button is triggered
It sends；
Processing module for zooming in and out processing to the images to be recognized, and the picture format of the images to be recognized is set
It is set to pre-set image format.
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| CN107705230A (en) * | 2017-09-29 | 2018-02-16 | 北京州科技有限公司 | A kind of method that content based in video is learnt |
| CN110399574A (en) * | 2018-04-19 | 2019-11-01 | 腾讯科技（深圳）有限公司 | Information jump method, device and electronic device |
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