CN101014084A - Program identification apparatus of digital TV - Google Patents
Program identification apparatus of digital TV Download PDFInfo
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- CN101014084A CN101014084A CNA2007100374531A CN200710037453A CN101014084A CN 101014084 A CN101014084 A CN 101014084A CN A2007100374531 A CNA2007100374531 A CN A2007100374531A CN 200710037453 A CN200710037453 A CN 200710037453A CN 101014084 A CN101014084 A CN 101014084A
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Abstract
The invention relates to one digital television program identification device, which comprises the following parts: image align module and input module and output module through circuit ; image process module through circuit by image input module; the image input terminal and decoding unit; the image process module comprises orderly frame image represent unit, area image collection unit and image identification unit. The invention provides digital television program identification device based on hardware structure.
Description
Technical field
The present invention relates to a kind of device of program identification of Digital Television, be specially adapted to the programme signal that digital TV set-top box receives is discerned processing.
Background technology
Investigation generally is confined under the Passive Mode to TV program audience rating at present, such as telephone poll, and investigation on the net, note investigation or the like; Fact-finding process is very loaded down with trivial details, and accuracy is not high as a result.
At the at present domestic extensive Digital Television of popularizing, and the situation of widely-used digital TV set-top box, a kind of recognition device of the TV programme based on digital TV set-top box can address this problem, and passive accent tea is become initiatively identification, finishes program identification with image recognition.
Present image recognition all has application in various fields, but is applied in TV signal identification aspect, all is based on the hardware environment of original system, the processing of carrying out with software; Image compression, collection and identification that this method realizes tend to take a large amount of system resource, bring white elephant to digital TV set-top-box system.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of device of program identification of Digital Television is provided, it is realized based on hardware configuration, station symbol zone by identification programme signal left upper, discern the programme signal of current Digital Television, have favorable compatibility, can not increase any burden of existing digital TV set-top-box system.
In order to achieve the above object, the invention provides a kind of device of program identification of Digital Television, it comprises the image distribution module, image input module and the image output module that is connected by circuit with this image distribution module respectively, and the image processing module that is connected by circuit with image input module;
Described image distribution module is distributed into two-way outputting video signal identical with it with the vision signal of input, one the tunnel exports image input module to, carry out graphical analysis identification, one the tunnel exports image output module to, uses for television set or the direct output video image signal of other display device;
Described image output module is an output end of image mouth, and its input connection layout is as the output of distribution module; Television set or other display device display image signals are supplied with in the vision signal output by the output of image module assigns that this output end of image mouth directly will receive;
Described image input module comprises image input port and the picture decoding unit that connects successively;
Described image input port is connected with the output of image distribution module, this image input port directly will receive by the video signal transmission of image module assigns output to described picture decoding unit, the decoding video signal operation of this picture decoding unit to receiving, and the output digital signal is to image processing module;
Described image processing module is to realize that by FPGA (programmable logic device) it comprises:
Two field picture reproducing unit, its input connection layout at first carry out two field picture to the digital signal that inputs to image processing module and reappear as the output of decoding unit;
The area image collecting unit, its input connects the output of described two field picture reproducing unit, and to the station symbol information area in the image upper left corner of certain several frame of reappearing, perhaps Zone Full is gathered;
Image identification unit, its input connects the output of described area image collecting unit, receives the image information that is collected by the area image collecting unit; This image identification unit while and two-way connection of memory (ROM), it compares identification with each station symbol information in station symbol information in the image that collects and the holder, thus definite TV programme of watching.
The station symbol information of storing in the described memory is good according to the classification in advance of color, shape, zone; Image identification unit is according to classification, compares identification successively with what store in the station symbol information that collects and the memory, and the comparative result that obtains not only soon but also accurate.
Described image processing module also comprises buffer memory (SDRAM), it is connected with the area image collecting unit is two-way with the two field picture reproducing unit respectively, because the code flow of vision signal is relatively large, so outside need expansion buffer memory SDRAM, its read or write speed is higher, can adapt to large batch of data interaction.
Further, the device of the program identification of described Digital Television also comprises communication module, it is connected with image processing module is two-way, the long-range transmission of image information that identification can be obtained, and the various control commands of receiving remote transmission, thereby the realization information interaction makes the present invention have better compatibility simultaneously.
Further, described image processing module also comprises the information interaction unit, and it is connected with communication module is two-way, carries out information interaction, and the programme information of discerning is sent to communication module, and receives external information from described communication module.
The incoming video signal of described image input module support comprises following form: AV (normal video) input, S-VIDEO (two component vides) input and YPbPr (component signal) input.
The device of the program identification of Digital Television provided by the invention, utilize image recognition technology, the station symbol zone in the upper left corner of Direct Recognition programme signal, because in the TV programme, the position of station symbol and size are fixed, so changeless program station symbol information in the image in the analysis upper left corner, and then reach the purpose of discerning TV programme.
The device of the program identification of Digital Television provided by the invention is independent of outside the existing digital TV set-top-box system, specifically comprises following characteristics:
1, do not need existing digital TV set-top-box system is carried out any modification;
2, do not increase any burden of existing digital TV set-top-box system;
3, do not change the hardware configuration of existing digital TV set-top-box system;
4, after the identification of finishing TV programme, the image information of identification can be passed through the long-range transmission of communication module, reach the purpose of information interaction;
5, vision signal is through after the allocation unit, and road output is wherein used for image recognition, and other one tunnel output is still exported according to the form of original input, and shows signal is not had the influence of appointing, and can supply with other display device and use.
The device of the program identification of Digital Television provided by the invention, it is realized based on hardware configuration, by the station symbol zone of identification programme signal left upper, discerns the programme signal of current Digital Television, have favorable compatibility, can not increase any burden of existing digital TV set-top-box system.
Description of drawings
Fig. 1 is the structural representation of device of the program identification of Digital Television provided by the invention;
Fig. 2 is the structural representation of image processing module of device of the program identification of Digital Television provided by the invention.
Embodiment
Following according to Fig. 1 and Fig. 2, specify a kind of better embodiment of the present invention:
As shown in Figure 1, the invention provides a kind of device of program identification of Digital Television, it comprises image distribution module 1, image input module 3 and the image output module 2 that is connected by circuit with this image distribution module respectively, and the image processing module 4 that is connected by circuit with image input module;
Described image distribution module 1, the vision signal of input is distributed into two-way outputting video signal identical with it, one the tunnel exports image input module 3 to, carry out graphical analysis identification, one the tunnel exports image output module 2 to, uses for television set or the direct output video image signal of other display device; In the present embodiment, the model of this image distribution module 1 is AD8061;
Described image output module 2 is output end of image mouths 201, its input connection layout is as the output of distribution module 1, what this output end of image mouth 201 directly will receive distributes the vision signal of output to export by image distribution module 1, supplies with television set or other display device display image signals;
Described image input module 3 comprises image input port 301 and the picture decoding unit 302 that connects successively;
Described image input port 301 is connected with the output of image distribution module 1, what this image input port 301 directly will receive distributes the video signal transmission of output to described picture decoding unit 302 by image distribution module 1, the decoding video signal operation of these 302 pairs of receptions in picture decoding unit, and the output digital signal is to image processing module 4; In the present embodiment, the model of described picture decoding unit 302 is SAA7114;
In the present embodiment, described image processing module 4 is the FPGA realization of x3s250E by the model of Xilinx company, and as shown in Figure 2, this image processing module 4 comprises:
Two field picture reproducing unit 401, its input connection layout at first carry out two field picture to the digital signal that inputs to image processing module 4 and reappear as the output of decoding unit 302;
Area image collecting unit 402, its input connects the output of described two field picture reproducing unit 401, and to the station symbol information area in the image upper left corner of certain several frame of reappearing, perhaps Zone Full is gathered;
Image identification unit 403, its input connects the output of described area image collecting unit 402, receives the image information that is collected by area image collecting unit 402; This image identification unit 403 also is connected with memory 405 (model is 291v1624) simultaneously, and it compares identification with each station symbol information in station symbol information in the image that collects and the holder 405, thus definite TV programme of watching.
The station symbol information of storage is good according to the classification in advance of color, shape, zone in the described memory 405; Image identification unit 403 is according to classification, with storage in the station symbol information that collects and the memory 405 compare identification successively, the comparative result that obtains is not only soon but also accurate.
Described image processing module 4 also comprises buffer memory 406 (model is HY57v642612), its respectively with two field picture reproducing unit 401 and 402 two-way connections of area image collecting unit, because the code flow of vision signal is relatively large, so outside need expansion buffer memory 406, its read or write speed is higher, can adapt to large batch of data interaction.
Further, the device of the program identification of described Digital Television also comprises communication module 5, communication module adopts RS232 to realize, itself and 4 two-way connections of image processing module, the long-range transmission of image information that identification can be obtained, and the various control commands of receiving remote transmission, thereby realize information interaction, make the present invention have better compatibility simultaneously.
Further, described image processing module 4 also comprises information interaction unit 404, and itself and 5 two-way connections of communication module carry out information interaction, and the programme information of discerning is sent to communication module 5, and receives external informations from described communication module 5.
The incoming video signal that described image input module 3 is supported comprises following form: AV input, S-VIDEO input and YPbPr input.
The device of the program identification of Digital Television provided by the invention, utilize image recognition technology, the station symbol zone in the upper left corner of Direct Recognition programme signal, because in the TV programme, the position of station symbol and size are fixed, so changeless program station symbol information in the image in the analysis upper left corner, and then reach the purpose of discerning TV programme.
The device of the program identification of Digital Television provided by the invention is independent of outside the existing digital TV set-top-box system, specifically comprises following characteristics:
1, do not need existing digital TV set-top-box system is carried out any modification;
2, do not increase any burden of existing digital TV set-top-box system;
3, do not change the hardware configuration of existing digital TV set-top-box system;
4, after the identification of finishing TV programme, the image information of identification can be passed through the long-range transmission of communication module, reach the purpose of information interaction;
5, vision signal is through after the allocation unit, and road output is wherein used for image recognition, and other one tunnel output is still exported according to the form of original input, and shows signal is not had the influence of appointing, and can supply with other display device and use.
The device of the program identification of Digital Television provided by the invention, it is realized based on hardware configuration, by the station symbol zone of identification programme signal left upper, discerns the programme signal of current Digital Television, have favorable compatibility, can not increase any burden of existing digital TV set-top-box system.
Claims (6)
1. the device of the program identification of a Digital Television, it is characterized in that, comprise image distribution module (1), image input module (3) and the image output module (2) that is connected by circuit with this image distribution module respectively, and the image processing module (4) that is connected by circuit with image input module;
Described image input module (3) comprises image input port (301) and picture decoding unit (302) that connect successively;
Described image input port (301) is connected with the output of image distribution module (1);
Described image processing module (4) is a programmable logic device, and it comprises and connects two field picture reproducing unit (401) successively, area image collecting unit (402) and image identification unit (403);
The input connection layout of described two field picture reproducing unit (401) is as the output of decoding unit (302).
2. the device of the program identification of Digital Television as claimed in claim 1 is characterized in that, the device of the program identification of described Digital Television also comprises communication module (5), itself and two-way connection of image processing module (4).
3. the device of the program identification of Digital Television as claimed in claim 2 is characterized in that, described image processing module (4) also comprises information interaction unit (404), itself and two-way connection of communication module (5).
4. the device of the program identification of Digital Television as claimed in claim 3 is characterized in that, described image processing module (4) also comprises memory, itself and two-way connection of image identification unit (403).
5. the device of the program identification of Digital Television as claimed in claim 4 is characterized in that, described image processing module (4) also comprises buffer memory (406), its respectively with two field picture reproducing unit (401) and two-way connection of area image collecting unit (402).
6. the device of the program identification of Digital Television as claimed in claim 1 is characterized in that, described image output module (2) is output end of image mouth (201), and its input connection layout is as the output of distribution module (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100374531A CN101014084A (en) | 2007-02-13 | 2007-02-13 | Program identification apparatus of digital TV |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100374531A CN101014084A (en) | 2007-02-13 | 2007-02-13 | Program identification apparatus of digital TV |
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| CN101014084A true CN101014084A (en) | 2007-08-08 |
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| CNA2007100374531A Pending CN101014084A (en) | 2007-02-13 | 2007-02-13 | Program identification apparatus of digital TV |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248942A (en) * | 2013-04-08 | 2013-08-14 | Tcl集团股份有限公司 | Updating method and updating device for visualized program list |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248942A (en) * | 2013-04-08 | 2013-08-14 | Tcl集团股份有限公司 | Updating method and updating device for visualized program list |
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