CN101018344A - Error tolerance method in the video processing - Google Patents
Error tolerance method in the video processing Download PDFInfo
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- CN101018344A CN101018344A CN 200710037613 CN200710037613A CN101018344A CN 101018344 A CN101018344 A CN 101018344A CN 200710037613 CN200710037613 CN 200710037613 CN 200710037613 A CN200710037613 A CN 200710037613A CN 101018344 A CN101018344 A CN 101018344A
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Abstract
The related fault tolerant method for video process comprises: (1) with current frame/field as origin, deciding whether multiple continual same-type video control signal same, yes to step (2), or else to step (1); and (2) setting the control signal as the benchmark video control signal for follow-up process. This invention overcomes defects in prior art, and can tolerate the error or incomplete of video control signal led by EMI.
Description
Technical field
The present invention relates to field of video processing, the fault-tolerance approach in particularly a kind of Video processing.
Background technology
Along with the continuous development of science and technology, people have proposed more and more higher requirement to Television Visibility, so the demand that the TV service merchant need provide the more and more higher vision signal of resolution to satisfy the user, the video data that TV service merchant need handle is significantly growth.Except that by improving coding techniques, also can satisfy the ever-increasing demand of video data by improving video Data Transmission speed in the data of same capacity, to compress into more vision signals.The raising of video Data Transmission speed will inevitably be introduced more electromagnetic interference, and electromagnetic interference can cause vision signal wrong or incomplete phenomenon to occur.
Above-mentioned vision signal comprises video data signal and video control signal, if the above-mentioned vision signal video data signal that is subjected to electromagnetic interference will occur as not too serious problems such as image abnormity such as local color, brightness when finally showing on terminal TV; If but video control signal then can cause as serious problems such as image flicker maybe can not show.
Summary of the invention
The object of the present invention is to provide the fault-tolerance approach in a kind of Video processing, can hold the video control signal mistake that electromagnetic interference causes by described method.
The object of the present invention is achieved like this: the fault-tolerance approach in a kind of Video processing, be used for when handling the vision signal of forming by frame/field, holding because the video control signal mistake that electromagnetic interference caused, this method may further comprise the steps: (1) is that starting point judges whether a plurality of continuous video control signals of the same type are identical with present frame/field, if then proceed to step (2), then return step (1) if not; (2) the REF video control signal that will these a plurality of video control signals be set at the type is handled for subsequent video and to be used.
In the fault-tolerance approach in above-mentioned Video processing, this video control signal comprises frame/field format signal.
In the fault-tolerance approach in above-mentioned Video processing, step (1) may further comprise the steps: (10) capture the frame/field control signal of present frame/field and are set is default frame benchmark control signal; (11) judge that whether follow-up continuous first set point frame/field control signal is identical with this default frame/field benchmark control signal, if then continue step (2), if not, then returns step (10).
In the fault-tolerance approach in above-mentioned Video processing, this first set point is greater than 1.
In the fault-tolerance approach in above-mentioned Video processing, in step (2), should preset frame/field benchmark control signal and be set at frame/field benchmark control signal, and handle for subsequent video and use.
In the fault-tolerance approach in above-mentioned Video processing, this video control signal also comprises the row format signal.
In the fault-tolerance approach in above-mentioned Video processing, step (1) may further comprise the steps: judge that (1a) that whether continuous second set point row control signal is arranged in present frame/field is identical, if then continue step (1b), then return step (1a) if not; (1b) this second set point identical capable control signal is set at default row benchmark control signal, continues step (1c) then; (1c) judge whether continuous second set point row control signal is arranged with should default row benchmark control signal identical in continuous the 3rd set point frame/field,, then return step (1a) if not if then continue step (1d); (1d) judge whether all capable control signals are all identical with this default row benchmark control signal in continuous the 3rd set point frame/field, if then continue step (2), then return step (1a) if not.
In the fault-tolerance approach in above-mentioned Video processing, this second set point greater than 1, the three set point more than or equal to 1.
In the fault-tolerance approach in above-mentioned Video processing, in step (2), should preset row benchmark control signal and be set at capable benchmark control signal, and handle for subsequent video and use.
With existing needleless the fault-tolerance approach in the Video processing of video control signal is compared, fault-tolerance approach in the Video processing of the present invention adopts the method for statistics to obtain the benchmark that a reliable control signal is handled as subsequent video, has avoided problems such as image flicker that electromagnetic interference causes maybe can not show.
Description of drawings
Fault-tolerance approach in the Video processing of the present invention is provided by following embodiment and accompanying drawing.
Fig. 1 is the flow chart of the fault-tolerance approach in the Video processing of the present invention;
Fig. 2 is the flow chart of first embodiment of the fault-tolerance approach in the Video processing of the present invention;
Fig. 3 is the composition structural representation of frame/field format signal;
Fig. 4 is the flow chart of second embodiment of the fault-tolerance approach in the Video processing of the present invention;
Fig. 5 is the composition structural representation of row format signal.
Embodiment
Below will the fault-tolerance approach in the Video processing of the present invention be described in further detail.
Fault-tolerance approach in the Video processing of the present invention is used for holding owing to the video control signal mistake that electromagnetic interference caused when handling the vision signal of being made up of frame/field, and wherein, described video control signal comprises frame/field format signal and row format signal.
Referring to Fig. 1, the flow chart that has shown the fault-tolerance approach in the Video processing of the present invention, fault-tolerance approach in the Video processing of the present invention is at first carried out step S10, with present frame/field is that starting point judges whether a plurality of continuous video control signals of the same type are identical, if the identical step S11 that then proceeds to, if the execution in step S10 that then continues inequality.
In step S11, described a plurality of video control signals are set at the REF video control signal of described type, handle for subsequent video and use.
Referring to Fig. 2, the flow chart that has shown first embodiment of the fault-tolerance approach in the Video processing of the present invention, in the present embodiment, video control signal is frame/field format signal, as shown in the figure, fault-tolerance approach in the Video processing of the present invention is at first carried out step S20, and capturing the frame/field control signal of present frame/field and being set is default frame/field benchmark control signal.Then continue step S21.
In step S21, judge that whether follow-up continuous first set point frame/field control signal is identical with described default frame/field benchmark control signal, if then continue step S22, if not, then returns step S20.Described in the present embodiment first set point is greater than 1, and its value can be set up on their own by the designer.
In step S22, described default frame/field benchmark control signal is set at frame/field benchmark control signal, handle for subsequent video and use.
It should be noted that, among first embodiment of the fault-tolerance approach in Video processing of the present invention, the composition structure of handled frame/field format signal as shown in Figure 3, frame/field format signal 3 is by following parameter characterization, and described parameter comprises frame/field synchronization 30, frame/field crop 31, frame/field effective video information 32, frame/field back porch 33, frame/field blanking 34, frame/field total time 35.
Referring to Fig. 4, the flow chart that has shown second embodiment of the fault-tolerance approach in the Video processing of the present invention, in the present embodiment, described video control signal is the row format signal, as shown in the figure, the fault-tolerance approach in the Video processing of the present invention is at first carried out step S40, judges that whether continuous second set point row control signal is arranged in present frame/field is identical, if then continue step S41, then return step S40 if not.In the present embodiment, described second set point is greater than 1, and its value can be set up on their own by the designer.
In step S41, described second a set point identical capable control signal is set at default row benchmark control signal, continue step S42 then.
In step S42, judge that whether continuous second set point row control signal is arranged in continuous the 3rd set point frame/field is identical with described default capable benchmark control signal, if then continue step S43, then return step S40 if not.In the present embodiment, described the 3rd set point is more than or equal to 1, and its value can be set up on their own by the designer.
In step S43, judge whether all row control signals are all identical with described default capable benchmark control signal in continuous the 3rd set point frame/field, if then continue step S44, then return step S43 if not.
In step S44, described default capable benchmark control signal is set at capable benchmark control signal, handle for subsequent video and use.
It should be noted that, among second embodiment of the fault-tolerance approach in Video processing of the present invention, the composition structure of handled row format signal as shown in Figure 5, described row format signal 5 is by following parameter characterization, and described parameter comprises capable synchronous head 50, row crop 51, row effective video information 52, row back porch 53, horizontal blanking 54, row total time 55.
In sum, the fault-tolerance approach in the Video processing of the present invention adopts the method for statistics to obtain the benchmark that a reliable control signal is handled as subsequent video, has avoided problems such as image flicker that electromagnetic interference causes maybe can not show.
Claims (10)
1, the fault-tolerance approach in a kind of Video processing, be used for when handling the vision signal of forming by frame/field, holding because the video control signal mistake that electromagnetic interference caused, it is characterized in that, this method may further comprise the steps: (1) is that starting point judges whether a plurality of continuous video control signals of the same type are identical with present frame/field, if then proceed to step (2), then return step (1) if not; (2) the REF video control signal that will these a plurality of video control signals be set at the type is handled for subsequent video and to be used.
2, the fault-tolerance approach in the Video processing as claimed in claim 1 is characterized in that, this video control signal comprises frame/field format signal.
3, the fault-tolerance approach in the Video processing as claimed in claim 2 is characterized in that, step (1) may further comprise the steps: (10) capture the frame/field control signal of present frame/field and are set is default frame/field benchmark control signal; (11) judge that whether follow-up continuous first set point frame/field control signal is identical with this default frame/field benchmark control signal, if then continue step (2), if not, then returns step (10).
4, the fault-tolerance approach in the Video processing as claimed in claim 3 is characterized in that, this first set point is greater than 1.
5, the fault-tolerance approach in the Video processing as claimed in claim 2 is characterized in that, in step (2), should preset frame/field benchmark control signal and be set at frame/field benchmark control signal, handles for subsequent video and uses.
6, the fault-tolerance approach in the Video processing as claimed in claim 1 is characterized in that, this video control signal also comprises the row format signal.
7, the fault-tolerance approach in the Video processing as claimed in claim 6, it is characterized in that, step (1) may further comprise the steps: judge that (1a) that whether continuous second set point row control signal is arranged in present frame/field is identical, if then continue step (1b), then return step (1a) if not; (1b) this second set point identical capable control signal is set at default row benchmark control signal, continues step (1c) then; (1c) judge whether continuous second set point row control signal is arranged with should default row benchmark control signal identical in continuous the 3rd set point frame/field,, then return step (1a) if not if then continue step (1d); (1c) judge whether all capable control signals are all identical with this default row benchmark control signal in continuous the 3rd set point frame/field, if then continue step (2), then return step (1a) if not.
8, the fault-tolerance approach in the Video processing as claimed in claim 7 is characterized in that, this second set point is greater than 1.
9, the fault-tolerance approach in the Video processing as claimed in claim 7 is characterized in that, the 3rd set point is more than or equal to 1.
10, the fault-tolerance approach in the Video processing as claimed in claim 6 is characterized in that, in step (2), should preset row benchmark control signal and be set at capable benchmark control signal, handles for subsequent video and uses.
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| CN 200710037613 CN101018344A (en) | 2007-02-16 | 2007-02-16 | Error tolerance method in the video processing |
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| CN 200710037613 CN101018344A (en) | 2007-02-16 | 2007-02-16 | Error tolerance method in the video processing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9037745B2 (en) * | 2006-01-18 | 2015-05-19 | International Business Machines Corporation | Methods and devices for processing incomplete data packets |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9037745B2 (en) * | 2006-01-18 | 2015-05-19 | International Business Machines Corporation | Methods and devices for processing incomplete data packets |
| US9749407B2 (en) | 2006-01-18 | 2017-08-29 | International Business Machines Corporation | Methods and devices for processing incomplete data packets |
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