CN106131592A - A kind of determination method and apparatus of television channel - Google Patents
A kind of determination method and apparatus of television channel Download PDFInfo
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- CN106131592A CN106131592A CN201610565867.0A CN201610565867A CN106131592A CN 106131592 A CN106131592 A CN 106131592A CN 201610565867 A CN201610565867 A CN 201610565867A CN 106131592 A CN106131592 A CN 106131592A
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- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000005520 cutting process Methods 0.000 claims description 9
- 230000003595 spectral effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 11
- 238000004590 computer program Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 2
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- 238000004891 communication Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/23418—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Embodiments providing the determination method and system of a kind of television channel, this determines that method and system is applied to provide the video server of service into intelligent television.It is specially when intelligent television plays program by Set Top Box, obtains the program snapshot picture of this program under current time；Obtain the channel snapshot picture under the current time of concrete television channel simultaneously；Determine that program snapshot picture and channel snapshot seem no for same image according to image motion vector；If both are same image, it is determined that the program that intelligent television is play comes from this concrete television channel.Thus video server i.e. can determine whether the television channel that intelligent television is play, thus on this basis, video server can provide the user more service, makes user obtain good experience.
Description
Technical field
The present embodiments relate to intelligent television technical field, particularly relate to determination method and the dress of a kind of television channel
Put.
Background technology
Intelligent television is a kind of to have full open model platform, be equipped with the Novel television product of operating system, and user can
While appreciating ordinary tv programme by it, it is also possible to install and uninstall types of applications software voluntarily, persistently its function is entered
Row expands and upgrading, makes user obtain being different from the individualized experience of traditional tv more horn of plenty.
Intelligent television can provide more service after determining the viewing channel of user.Such as, when determining working as of user
After front channel, in the case of user allows, the content relevant to user itself or current television channel can be pushed to user
And service.Such as being accustomed to according to the viewing of user, the predeterminated position at display interface displays to the user that information, to point out use
The program of its preference is watched at family on time；Or the preference according to user pushes some popular collection of drama to user.
The present inventor finds during research the application, if user directly utilizes intelligent television and plays joint
Mesh, server can directly determine the television channel that user watches, but when user utilizes Set Top Box to watch program, this intelligence
What TV was only used as that a display displays to the user that programme content, intelligent television accepted is only video signal, at this moment with regard to nothing
Method determines the television channel that user is watched, the most just cannot provide the user more service, so that user cannot obtain good
Good experience.
Summary of the invention
In view of this, the invention provides the determination method and apparatus of a kind of television channel, to solve to exist at intelligent television
When playing the program that TV box sends, it is impossible to the problem determining the television channel that user watches.
In order to solve the problems referred to above, the invention discloses a kind of determination method of television channel, be applied to intelligent television
The video server of service is provided, described determines that method specifically includes following steps:
When described intelligent television plays program by Set Top Box, obtain the program snapshot of described program under current time
Picture；
Obtain the channel snapshot picture under the current time of concrete television channel；
Determine that described program snapshot picture and described channel snapshot seem no for same image according to image motion vector；
When described program snapshot picture and described channel snapshot picture are same image, determine that described intelligent television is play
Program come from described concrete television channel.
Optionally, the channel snapshot picture under the current time of the concrete television channel of described acquisition, including:
Obtain each concrete channel of the multiple television channel channel snapshot picture under described current time.
Optionally, described determine that described program snapshot picture seems no with described channel snapshot according to image motion vector
For same image, including:
Respectively described program snapshot picture and described channel snapshot picture are cut into predetermined number by identical cut lengths
Grid；
Determine that each grid of described channel snapshot picture is relative to the grid of correspondence position in described program snapshot picture
Motion vector；
When, in described channel snapshot picture, the quantity of the grid that described motion vector exceedes default Vector Threshold accounts for described pre-
If the ratio of quantity is less than preset ratio threshold value, determine that described program snapshot picture and described channel snapshot picture are same figure
Picture.
Optionally, described predetermined number is 8x8,8x16,16x8 or 16x16.
Optionally, described preset ratio threshold value is 2%.
The following realization ensureing above method, present invention also offers the determination device of a kind of television channel, be applied to
Intelligent television provides the video server of service, described determines that device includes:
First image collection module, for when described intelligent television plays program by Set Top Box, obtaining current time
Under the program snapshot picture of described program；
Second image collection module, the channel snapshot picture under the current time obtaining concrete television channel；
According to image motion vector, same image judge module, for determining that described program snapshot picture cuts with described channel
Whether screen image is same image；
Television channel determines module, for judging that described program snapshot picture is with described when described same image judge module
When channel snapshot picture is same image, determine that the program that described intelligent television is play comes from described concrete television channel.
Optionally, described second image collection module is worked as described for each concrete channel obtaining multiple television channel
The channel snapshot picture inscribed time front.
Optionally, described same image judge module includes:
Image cutting, is used for by identical cut lengths respectively by described program snapshot picture and described channel snapshot
As cutting into the grid of predetermined number；
Motion vector determining unit, for determining that each grid of described channel snapshot picture is relative to described program screenshotss
The motion vector of the grid of correspondence position in image；
Same spectral discrimination unit, for when, in described channel snapshot picture, described motion vector exceedes default vector threshold
When the quantity of the grid of value accounts for the ratio of described predetermined number less than preset ratio threshold value, determine described program snapshot picture and institute
Stating channel snapshot picture is same image.
Optionally, described predetermined number is 8x8,8x16,16x8 or 16x16.
Optionally, described preset ratio threshold value is 2%.
From technique scheme it can be seen that the invention provides the determination method and system of a kind of television channel, this is true
Determine method and system and be applied to provide into intelligent television the video server of service.It is specially and is broadcast by Set Top Box at intelligent television
When putting program, obtain the program snapshot picture of this program under current time；Obtain under the current time of concrete television channel simultaneously
Channel snapshot picture；Determine that program snapshot picture and channel snapshot seem no for same image according to image motion vector；
If both are same image, it is determined that the program that intelligent television is play comes from this concrete television channel.Thus Video service
Device i.e. can determine whether the television channel that intelligent television is play, thus on this basis, video server can provide the user more
Service, make user obtain good experience.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The flow chart of steps of the determination embodiment of the method for a kind of television channel that Fig. 1 provides for the present invention；
The flow chart of steps of the determination embodiment of the method for the another kind of television channel that Fig. 2 provides for the present invention；
The structured flowchart of the determination device embodiment of a kind of television channel that Fig. 3 provides for the present invention；
The structured flowchart of the determination device embodiment of the another kind of television channel that Fig. 4 provides for the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Embodiment one
The flow chart of steps of the determination embodiment of the method for a kind of television channel that Fig. 1 provides for the present invention.
With reference to shown in Fig. 1, the determination method of the television channel that the present embodiment provides is applied to provide service to intelligent television
Video server.The so-called video server providing service to intelligent television, refers to that this intelligent television is normal through network
When playing the resource on network, for providing the webserver of Internet resources it can be understood as intelligent television to intelligent television
The program request platform of TV programme, live platform or carousel platform are provided.Intelligent television in use, can be by the Internet and this net
Network server is connected.The determination method of this television channel specifically includes following steps:
S101: obtain the program snapshot picture of program under current time.
When intelligent television plays program by Set Top Box, to the program that intelligent television is being play under current time
Picture carries out screenshotss operation, obtains the program snapshot picture of current time.If intelligent television passes through netcast program,
The server providing service to intelligent television can directly determine its television channel play；And intelligent television player top box is defeated
During the program entered, only obtain the video signal of Set Top Box output, do not carry any channel information due to video signal, the most just cannot
Determine currently playing television channel.
S102: obtain concrete television channel channel snapshot picture under current time.
While obtaining the program snapshot picture of the TV programme that intelligent television utilizes Set Top Box to play, video server
The current video image of certain concrete television channel is obtained by the way of in backstage simulation broadcasting, and to this current video image
Carry out screenshotss, obtain the channel snapshot picture of current time.
Owing to not can determine that intelligent television comes from which channel, therefore server by the program that Set Top Box is play
When concrete television channel being carried out screenshotss operation, it is not limited to a television channel, but as much as possible to multiple TVs frequency
Road carries out screenshotss operation.Certainly, the present embodiment is the channel snapshot picture taking out a television channel and program snapshot picture
Contrasting, this television channel taken out is concrete television channel recited above.
S103: determine that program snapshot picture and channel snapshot seem no for same image according to image motion vector；
Motion vector technology is normally applied in the coding of video signal, is particularly used for the cataloged procedure to video signal
In.In inter prediction encoding, owing to the scenery in live image contiguous frames also exists certain dependency, therefore, can be by work
Motion video is divided into some pieces or macro block, and manages to search out each piece or macro block position in contiguous frames image, and draws two
The relative displacement of the locus between person, this relative displacement is exactly the motion vector of usual indication.
The present embodiment utilizes above-mentioned amount of movement technology, by channel snapshot as relative to program screenshotss communicate
Motion vector, the relative shift between i.e. two width images judges that program snapshot picture and channel snapshot seem no as same figure
Picture.
S104: determine that the program that intelligent television is play comes from concrete television channel.
If program snapshot picture and channel snapshot picture are same image, then judge intelligent television play program from
In the television channel that video server present day analog is play.It is thus possible to further determine that channel that Set Top Box playing and regard
Frequently the television channel that server present day analog is play is same channel, and video server so can determine that the electricity that Set Top Box is play
Tv channel, on this basis, video server can provide the user more service, makes user obtain good use body
Test.
From technique scheme it can be seen that the present embodiment a kind of determination method of television channel, this determines that method should
For providing the video server of service for intelligent television.It is specially when intelligent television plays program by Set Top Box, obtains
The program snapshot picture of this program under current time；Obtain the channel snapshot under the current time of concrete television channel simultaneously
Picture；Determine that program snapshot picture and channel snapshot seem no for same image according to image motion vector；If both are same
One image, it is determined that the program that intelligent television is play comes from this concrete television channel.Thus video server i.e. can determine whether intelligence
The television channel that can televise, thus on this basis, video server can provide the user more service, makes user
Obtain good experience.
In above-mentioned decision process, if the television channel that this concrete television channel is not Set Top Box to be play is different, then
Video server changes another television channel, and again screenshotss, contrast, judge, to the last look for from all television channels
To sectional drawing and the program snapshot of a television channel as identical.
Embodiment two
The flow chart of steps of the determination embodiment of the method for a kind of television channel that Fig. 2 provides for the present invention.
With reference to shown in Fig. 1, the determination method of the television channel that the present embodiment provides is applied to provide service to intelligent television
Video server.The so-called video server providing service to intelligent television, refers to that this intelligent television is normal through network
When playing the resource on network, for providing the webserver of Internet resources it can be understood as intelligent television to intelligent television
The program request platform of TV programme, live platform or carousel platform are provided.Intelligent television in use, can be by the Internet and this net
Network server is connected.The determination method of this television channel specifically includes following steps:
S201: obtain the program snapshot picture of program under current time.
When intelligent television plays program by Set Top Box, the TV Festival that intelligent television is being play under current time
Purpose picture carries out screenshotss operation, obtains the program snapshot picture of current time.If intelligent television passes through netcast program
If, provide the server of service can directly determine its television channel play to intelligent television；And intelligent television player
During the program that top box inputs, only obtain the video signal of Set Top Box output, do not carry any channel information due to video signal, also
Just cannot determine currently playing television channel.
S202: obtain concrete television channel channel snapshot picture under current time.
While obtaining the program snapshot picture of the TV programme that intelligent television utilizes Set Top Box to play, video server
The current video image of certain concrete television channel is obtained by the way of in backstage simulation broadcasting, and to this current video image
Carry out screenshotss, obtain the channel snapshot picture of current time.
Owing to not can determine that intelligent television comes from which channel, therefore server by the program that Set Top Box is play
When concrete television channel being carried out screenshotss operation, it is not limited to a television channel, but as much as possible to multiple TVs frequency
Road carries out screenshotss operation.Certainly, the present embodiment is the channel snapshot picture taking out a television channel and program snapshot picture
Contrasting, this television channel taken out is concrete television channel recited above.
S203: respectively program snapshot picture and channel snapshot picture are cut into the side of predetermined number by identical cut lengths
Lattice.
In view of grid quantity is closely bound up, if video server too much can be brought bigger by grid with calculating pressure
Calculating pressure, therefore this predetermined number can select 8x8,8x16,16x8 or 16x16 pixel to determine number of squares after cutting
Amount such that it is able to avoid bringing bigger pressure to video server.
S204: determine that each grid of channel snapshot picture is relative to the fortune of the grid of correspondence position in program snapshot picture
Dynamic vector.
Motion vector technology is normally applied in the coding of video signal, is particularly used for the cataloged procedure to video signal
In.In inter prediction encoding, owing to the scenery in live image contiguous frames also exists certain dependency, therefore, can be by work
Motion video is divided into some pieces or macro block, and manages to search out each piece or macro block position in contiguous frames image, and draws two
The relative displacement of the locus between person, this relative displacement is exactly the motion vector of usual indication.
Owing to two width images press same size cutting, therefore the position of each of which grid is the most corresponding, according to above-mentioned
Amount of movement technology determines the motion vector between each two grid, i.e. determines the relative displacement between each two grid, this
Two grids one come from interface snapshot picture, and another comes from channel snapshot picture, and its position in respective image
Put identical.
S205: determine that program snapshot picture and channel snapshot picture are same image.
Account for total grid quantity be less than when the motion vector of this channel snapshot picture exceedes the grid quantity of default Vector Threshold
During preset ratio threshold value, determine that program snapshot picture and channel snapshot picture are for use an image.Specifically, obtaining channel screenshotss
The motion vector of each grid in image, the most each grid relative to program snapshot as the relative skew of the grid till identical
After amount, the motion vector of each grid is judged, and determine that motion vector exceedes the grid quantity of predetermined number threshold value, as
When really this grid quantity accounts for the ratio of grid total quantity less than preset ratio threshold value, determine that both are same image.
Above-mentioned default Vector Threshold according to can program anatomic image true with the channel snapshot picture time difference when screenshotss
Fixed, due to TV signal 25 frames per second, therefore the time difference between two width sectional drawings is less than 0.04 second, and according to TV programme at this
In time, issuable relative displacement determines this default Vector Threshold.Above-mentioned preset ratio threshold value is also according to above-mentioned former
Reason selects, in the present embodiment preferably 2%.
S206: determine that the program that intelligent television is play comes from concrete television channel.
If program snapshot picture and channel snapshot picture are same image, then judge intelligent television play program from
In the television channel that video server present day analog is play.It is thus possible to further determine that channel that Set Top Box playing and regard
Frequently the television channel that server present day analog is play is same channel, and video server so can determine that the electricity that Set Top Box is play
Tv channel, on this basis, video server can provide the user more service, makes user obtain good use body
Test.
By the method that screenshotss are cut in the present embodiment, contrast with limited number of squares such that it is able to fall
The calculating pressure of low video server.
It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as a series of action group
Closing, but those skilled in the art should know, the embodiment of the present invention is not limited by described sequence of movement, because depending on
According to the embodiment of the present invention, some step can use other orders or carry out simultaneously.Secondly, those skilled in the art also should
Knowing, embodiment described in this description belongs to preferred embodiment, and the involved action not necessarily present invention implements
Necessary to example.
Embodiment three
The structured flowchart of the determination device embodiment of a kind of television channel that Fig. 3 provides for the present invention.
With reference to shown in Fig. 3, the determination method of the television channel that the present embodiment provides is applied to provide service to intelligent television
Video server.The so-called video server providing service to intelligent television, refers to that this intelligent television is normal through network
When playing the resource on network, for providing the webserver of Internet resources it can be understood as intelligent television to intelligent television
The program request platform of TV programme, live platform or carousel platform are provided.Intelligent television in use, can be by the Internet and this net
Network server is connected.The determination device of this television channel specifically includes first image collection module the 10, second image collection module
20, same image judge module 30 and television channel determine module 40.
First image collection module 10 is for obtaining the program snapshot picture of program under current time.
Specifically for when intelligent television plays program by Set Top Box, intelligent television being play under current time
The picture of program carry out screenshotss operation, obtain the program snapshot picture of current time.If intelligent television passes through netcast
If program, the server of service is provided can directly to determine its television channel play to intelligent television；And intelligent television is broadcast
When putting the program of Set Top Box input, only obtain the video signal of Set Top Box output, do not carry any channel letter due to video signal
Breath, the most just cannot determine currently playing television channel.
Second image collection module 20 is for obtaining concrete television channel channel snapshot picture under current time.
The first image collection module 10 obtain the program snapshot of the program that intelligent television utilizes Set Top Box to play as
Meanwhile, the second image collection module 20 obtains the current video of certain concrete television channel by the way of in backstage simulation broadcasting
Image, and this current video image is carried out screenshotss, obtain the channel snapshot picture of current time.
Owing to not can determine that intelligent television comes from which channel, therefore server by the program that Set Top Box is play
When concrete television channel being carried out screenshotss operation, it is not limited to a television channel, but as much as possible to multiple TVs frequency
Road carries out screenshotss operation.Certainly, the present embodiment is the channel snapshot picture taking out a television channel and program snapshot picture
Contrasting, this television channel taken out is concrete television channel recited above.
Same image judge module 30 is for determining program snapshot picture and channel snapshot picture according to image motion vector
Whether it is same image；
Motion vector technology is normally applied in the coding of video signal, is particularly used for the cataloged procedure to video signal
In.In inter prediction encoding, owing to the scenery in live image contiguous frames also exists certain dependency, therefore, can be by work
Motion video is divided into some pieces or macro block, and manages to search out each piece or macro block position in contiguous frames image, and draws two
The relative displacement of the locus between person, this relative displacement is exactly the motion vector of usual indication.
In the present embodiment, same image judge module 30 utilizes above-mentioned amount of movement technology, by channel snapshot picture phase
For the motion vector of program screenshotss communication, the relative shift between i.e. two width images judges that program snapshot picture cuts with channel
Whether screen image is same image.
If same image determines that module 30 determines that program snapshot picture and channel snapshot picture are same image, then judge
The program that intelligent television is play comes from the television channel that video server present day analog is play.Thus television channel determines module
40 can further determine that the television channel that channel that Set Top Box playing and video server present day analog are play is same
Channel, video server so can determine that the television channel that Set Top Box is play, and on this basis, video server can be for using
Family provides more service, makes user obtain good experience.
From technique scheme it can be seen that the present embodiment determination device of a kind of television channel, this determines that device should
For providing the video server of service for intelligent television.It is specially when intelligent television plays program by Set Top Box, obtains
The program snapshot picture of this program under current time；Obtain the channel snapshot under the current time of concrete television channel simultaneously
Picture；Determine that program snapshot picture and channel snapshot seem no for same image according to image motion vector；If both are same
One image, it is determined that the program that intelligent television is play comes from this concrete television channel.Thus video server i.e. can determine whether intelligence
The television channel that can televise, thus on this basis, video server can provide the user more service, makes user
Obtain good experience.
It addition, the television channel that if this concrete television channel is not Set Top Box to be play is different, then video server is more
Change another television channel, and again screenshotss, contrast, judge, from all television channels, to the last find a TV frequency
The sectional drawing in road and program snapshot are as till identical.
Embodiment four
The structured flowchart of the determination device embodiment of the another kind of television channel that Fig. 4 provides for the present invention.
With reference to shown in Fig. 4, the determination device that the present embodiment provides specifically includes first image collection module the 10, second image
Acquisition module 20, same image judge module 30 and television channel determine module 40.
First image collection module 10 is for when intelligent television plays program by Set Top Box, to intelligent television currently
Time inscribe the picture of the program play and carry out screenshotss operation, obtain the program snapshot picture of current time.
Second image collection module 20 is for obtaining certain concrete television channel by the way of in backstage simulation broadcasting
Current video image, and this current video image is carried out screenshotss, obtain the channel snapshot picture of current time.
Owing to not can determine that intelligent television comes from which channel, therefore server by the program that Set Top Box is play
When concrete television channel being carried out screenshotss operation, it is not limited to a television channel, but as much as possible to multiple TVs frequency
Road carries out screenshotss operation.Certainly, the present embodiment is the channel snapshot picture taking out a television channel and program snapshot picture
Contrasting, this television channel taken out is concrete television channel recited above.
Same image judge module 30 is for determining program snapshot picture and channel snapshot picture according to image motion vector
Whether it is same image；
Motion vector technology is normally applied in the coding of video signal, is particularly used for the cataloged procedure to video signal
In.In inter prediction encoding, owing to the scenery in live image contiguous frames also exists certain dependency, therefore, can be by work
Motion video is divided into some pieces or macro block, and manages to search out each piece or macro block position in contiguous frames image, and draws two
The relative displacement of the locus between person, this relative displacement is exactly the motion vector of usual indication.
In the present embodiment same image judge module 30 include image cutting 31, motion vector determining unit 32 and with
One spectral discrimination unit 33.
Image cutting 31 is for being cut program snapshot picture and channel snapshot picture respectively by identical cut lengths
Become the grid of predetermined number.
In view of grid quantity is closely bound up, if video server too much can be brought bigger by grid with calculating pressure
Calculating pressure, therefore this predetermined number can select 8x8,8x16,16x8 or 16x16 pixel to determine number of squares after cutting
Amount such that it is able to avoid bringing bigger pressure to video server.
Motion vector determining unit 32 is for determining that each grid of channel snapshot picture is relative in program snapshot picture
The motion vector of the grid of correspondence position.
Motion vector technology is normally applied in the coding of video signal, is particularly used for the cataloged procedure to video signal
In.In inter prediction encoding, owing to the scenery in live image contiguous frames also exists certain dependency, therefore, can be by work
Motion video is divided into some pieces or macro block, and manages to search out each piece or macro block position in contiguous frames image, and draws two
The relative displacement of the locus between person, this relative displacement is exactly the motion vector of usual indication.
Owing to two width images press same size cutting, therefore the position of each of which grid is the most corresponding, according to above-mentioned
Amount of movement technology determines the motion vector between each two grid, i.e. determines the relative displacement between each two grid, this
Two grids one come from interface snapshot picture, and another comes from channel snapshot picture, and its position in respective image
Put identical.
Same spectral discrimination unit 33 exceedes the number of squares of default Vector Threshold at the motion vector of this channel snapshot picture
When amount accounts for total grid quantity less than preset ratio threshold value, determine that program snapshot picture and channel snapshot picture are for use an image.Tool
Body is, in obtaining channel snapshot picture the motion vector of each grid, the most each grid relative to program snapshot as identical
Till grid relative displacement after, the motion vector of each grid is judged, and it is default to determine that motion vector exceedes
The grid quantity of amount threshold, if this grid quantity accounts for the ratio of grid total quantity less than preset ratio threshold value, determines two
Person is same image.
Above-mentioned default Vector Threshold according to can program anatomic image true with the channel snapshot picture time difference when screenshotss
Fixed, due to TV signal 25 frames per second, therefore the time difference between two width sectional drawings is less than 0.04 second, and according to TV programme at this
In time, issuable relative displacement determines this default Vector Threshold.Above-mentioned preset ratio threshold value is also according to above-mentioned former
Reason selects, in the present embodiment preferably 2%.
If same image determines that module 30 determines that program snapshot picture and channel snapshot picture are same image, then judge
The program that intelligent television is play comes from the television channel that video server present day analog is play.Thus television channel determines module
40 can further determine that the television channel that channel that Set Top Box playing and video server present day analog are play is same
Channel, video server so can determine that the television channel that Set Top Box is play, and on this basis, video server can be for using
Family provides more service, makes user obtain good experience.
For device embodiment, due to itself and embodiment of the method basic simlarity, so describe is fairly simple, relevant
Part sees the part of embodiment of the method and illustrates.
Each embodiment in this specification all uses the mode gone forward one by one to describe, what each embodiment stressed is with
The difference of other embodiments, between each embodiment, identical similar part sees mutually.
Those skilled in the art are it should be appreciated that the embodiment of the embodiment of the present invention can be provided as method, device or calculate
Machine program product.Therefore, the embodiment of the present invention can use complete hardware embodiment, complete software implementation or combine software and
The form of the embodiment of hardware aspect.And, the embodiment of the present invention can use one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) of program code
The form of the computer program implemented.
The embodiment of the present invention is with reference to method, terminal unit (system) and computer program according to embodiments of the present invention
The flow chart of product and/or block diagram describe.It should be understood that can be by computer program instructions flowchart and/or block diagram
In each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.These can be provided
Computer program instructions sets to general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to produce a machine so that held by the processor of computer or other programmable data processing terminal equipment
The instruction of row produces for realizing in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame
The device of the function specified.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing terminal equipment
In the computer-readable memory worked in a specific way so that the instruction being stored in this computer-readable memory produces bag
Including the manufacture of command device, this command device realizes in one flow process of flow chart or multiple flow process and/or one side of block diagram
The function specified in frame or multiple square frame.
These computer program instructions also can be loaded on computer or other programmable data processing terminal equipment so that
On computer or other programmable terminal equipment, execution sequence of operations step is to produce computer implemented process, thus
The instruction performed on computer or other programmable terminal equipment provides for realizing in one flow process of flow chart or multiple flow process
And/or the step of the function specified in one square frame of block diagram or multiple square frame.
Although having been described for the preferred embodiment of the embodiment of the present invention, but those skilled in the art once knowing base
This creativeness concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to
The all changes including preferred embodiment and falling into range of embodiment of the invention and amendment.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or operation
Between exist any this reality relation or order.And, term " includes ", " comprising " or its any other variant meaning
Containing comprising of nonexcludability, so that include that the process of a series of key element, method, article or terminal unit not only wrap
Include those key elements, but also include other key elements being not expressly set out, or also include for this process, method, article
Or the key element that terminal unit is intrinsic.In the case of there is no more restriction, by wanting that statement " including ... " limits
Element, it is not excluded that there is also other identical element in including the process of described key element, method, article or terminal unit.
Being described in detail technical scheme provided by the present invention above, specific case used herein is to this
Bright principle and embodiment are set forth, the explanation of above example be only intended to help to understand the method for the present invention and
Core concept；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, in detailed description of the invention and application
All will change in scope, in sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. a determination method for television channel, is applied to provide the video server of service to intelligent television, it is characterised in that
Described determine that method specifically includes following steps:
When described intelligent television plays program by Set Top Box, obtain the program snapshot picture of described program under current time；
Obtain the channel snapshot picture under the current time of concrete television channel；
Determine that described program snapshot picture and described channel snapshot seem no for same image according to image motion vector；
When described program snapshot picture and described channel snapshot picture are same image, determine the joint that described intelligent television is play
Mesh comes from described concrete television channel.
Determine method the most as claimed in claim 1, it is characterised in that under the current time of the concrete television channel of described acquisition
Channel snapshot picture, including:
Obtain each concrete channel of the multiple television channel channel snapshot picture under described current time.
Determine method the most as claimed in claim 1, it is characterised in that described determine that described program cuts according to image motion vector
Screen image and described channel snapshot seem no for same image, including:
Respectively described program snapshot picture and described channel snapshot picture are cut into the side of predetermined number by identical cut lengths
Lattice；
Determine that each grid of described channel snapshot picture is relative to the fortune of the grid of correspondence position in described program snapshot picture
Dynamic vector；
When, in described channel snapshot picture, the quantity of the grid that described motion vector exceedes default Vector Threshold accounts for described present count
When the ratio of amount is less than preset ratio threshold value, determine that described program snapshot picture and described channel snapshot picture are same image.
Determine method the most as claimed in claim 1, it is characterised in that described predetermined number be 8x8,8x16,16x8 or
16x16。
Determine method the most as claimed in claim 3, it is characterised in that described preset ratio threshold value is 2%.
6. a determination device for television channel, is applied to provide the video server of service to intelligent television, it is characterised in that
Described determine that device includes:
First image collection module, for when described intelligent television plays program by Set Top Box, obtaining institute under current time
State the program snapshot picture of program；
Second image collection module, the channel snapshot picture under the current time obtaining concrete television channel；
Same image judge module, for determining described program snapshot picture and described channel snapshot according to image motion vector
Seem no for same image；
Television channel determines module, for judging described program snapshot picture and described channel when described same image judge module
When snapshot picture is same image, determine that the program that described intelligent television is play comes from described concrete television channel.
Determine device the most as claimed in claim 6, it is characterised in that described second image collection module is used for obtaining multiple electricity
The each concrete channel of tv channel channel snapshot picture under described current time.
Determine device the most as claimed in claim 6, it is characterised in that described same image judge module includes:
Image cutting, for being cut described program snapshot picture and described channel snapshot picture respectively by identical cut lengths
It is slit into the grid of predetermined number；
Motion vector determining unit, for determining that each grid of described channel snapshot picture is relative to described program snapshot picture
The motion vector of the grid of middle correspondence position；
Same spectral discrimination unit, for when, in described channel snapshot picture, described motion vector exceedes default Vector Threshold
When the quantity of grid accounts for the ratio of described predetermined number less than preset ratio threshold value, determine described program snapshot picture and described frequency
Road snapshot picture is same image.
Determine device the most as claimed in claim 6, it is characterised in that described predetermined number be 8x8,8x16,16x8 or
16x16。
Determine device the most as claimed in claim 8, it is characterised in that described preset ratio threshold value is 2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610565867.0A CN106131592A (en) | 2016-07-18 | 2016-07-18 | A kind of determination method and apparatus of television channel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610565867.0A CN106131592A (en) | 2016-07-18 | 2016-07-18 | A kind of determination method and apparatus of television channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000699A1 (en) * | 2016-06-27 | 2018-01-04 | 乐视控股（北京）有限公司 | Television channel identification method and device, television, and server |
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| CN102917257A (en) * | 2012-09-14 | 2013-02-06 | 北京金山安全软件有限公司 | Channel selection processing method, client, server and system |
| CN104301755A (en) * | 2013-07-19 | 2015-01-21 | 联想(北京)有限公司 | Television information obtaining method, television set, background server and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5436674A (en) * | 1991-05-23 | 1995-07-25 | Nippon Hoso Kyokai | Method of detecting motion vector, apparatus therefor, and picture signal processing system utilizing the apparatus |
| CN102917257A (en) * | 2012-09-14 | 2013-02-06 | 北京金山安全软件有限公司 | Channel selection processing method, client, server and system |
| CN104301755A (en) * | 2013-07-19 | 2015-01-21 | 联想(北京)有限公司 | Television information obtaining method, television set, background server and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018000699A1 (en) * | 2016-06-27 | 2018-01-04 | 乐视控股（北京）有限公司 | Television channel identification method and device, television, and server |
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Application publication date: 20161116 |