CN101453608A - Video data processing method and apparatus - Google Patents
Video data processing method and apparatus Download PDFInfo
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- CN101453608A CN101453608A CNA2007101962901A CN200710196290A CN101453608A CN 101453608 A CN101453608 A CN 101453608A CN A2007101962901 A CNA2007101962901 A CN A2007101962901A CN 200710196290 A CN200710196290 A CN 200710196290A CN 101453608 A CN101453608 A CN 101453608A
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Abstract
The invention relates to a video data processing method. Video data comprise a plurality of image fields. The video data processing method comprises the following steps: dividing each image field in the image fields into a plurality of image blocks; detecting that each image block in a target image field corresponds to a movie mode or a non-movie mode, wherein the target image field is one of the image fields; detecting that each image block corresponding to the movie mode in the target image field corresponds to a pure movie mode or a mixed movie mode; and aiming at each image block, using a specific image processing system to process the image blocks.
Description
Technical field
The invention relates to a kind of method and relevant apparatus of processing video data, refer to especially a kind ofly each figure field in a plurality of figure field is divided into a plurality of image blocks each image block is corresponding film mode or method and the relevant apparatus that mixes film mode in the target figure field to detect.
Background technology
In traditional interleaved type scanning (interlaced scanning) technology, when desiring to demonstrate each image frame of film, be actually two figure of will form this picture frame and do staggeredly to show that the method is the persistence of vision effect that uses human eye, therefore can not feel any different shape.These two figure, one of them Qi Tuchang that forms by odd-numbered scan lines (oddfield), another bigraph field of then being formed (even field) by the even-line interlace line.And the formula of newly advancing in proper order (progressive scanning) technology, be called noninterlaced scanning (non-interlaced scanning) again, then be earlier two figure field merging earlier that belong to same picture frame to be become a picture frame, scanning this picture frame in regular turn with the horizontal frequency that doubles.
It is each other relation between each figure in detecting video data that now film mode detects, and judge according to this this video data whether be film mode (for instance, it is to be two or two drop-down (2:2PullDown) film modes or three or two drop-down (3:2Pull Down) film mode), and impose correct deinterleaveization (de-interlacing) and handle, yet film is when playing now, normal former thereby in mute originally, the horse race lamp captions are arranged because of advertisement or special efficacy etc., fixedly literal or trade mark or the like add wherein, so it is not pure film mode that a lot of images is arranged, that is to say, there are film mode and non-film mode to exist simultaneously in the image, we are referred to as to mix film mode, thus, if remove to detect the mixing film mode with known detection mode, have two kinds of results haply: the one, detect less than film mode, so just do not handle with film mode, its result is exactly testing mechanism causes belonging in the picture former movie contents less than effect most of area image degradation; Another is to detect to be film mode, just the part of non-film mode is also handled with film mode, and its result has the crenellated phenomena generation exactly and causes the horse race lamp captions smudgy.
Summary of the invention
Therefore main purpose of the present invention is to provide a kind of method and apparatus of handling mixed film mode, except detecting pure film mode, also can detect the mixing film mode, on this external processing mixing film mode image, also can respectively the part that belongs to film mode in the image be handled with film mode, and the part that belongs to non-film mode handles with non-film mode, to solve the above problems.
The present invention provides a kind of video data handling procedure, and this video data comprises a plurality of figure field, and this video data handling procedure comprises the following steps: each figure field in those figure fields is divided into a plurality of image blocks; Each image block is corresponding film mode or non-film mode in the detection target figure field, and wherein this target figure field is one of them of those figure fields; Those image blocks that detect each corresponding film mode in this target figure field are corresponding pure film modes or mix film mode; And use specific image processing mechanism to deal with at each those image blocks.
The present invention also provides a kind of video data processing apparatus, and this video data comprises a plurality of figure field, and this video data processing apparatus comprises: the image cutter is used for each figure field in those figure fields is divided into a plurality of image blocks; Film mode detector is coupled to this image cutter, is used for detecting that each image block is corresponding film mode or non-film mode in the target figure field, and wherein this target figure field is one of them of those figure fields; The film mode discriminator is coupled to this film mode detector, and those image blocks that are used for detecting each corresponding film mode in this target figure field are corresponding pure film modes or mix film mode; And a plurality of image process units, be coupled to this film mode detector and this film mode discriminator, use specific image processing mechanism to deal with at each those image block.
Compared to known technology, the present invention also can detect the mixing film mode except detecting pure film mode.On this external processing mixing film mode, also can handle with film mode belonging to the film mode part in the image, belong to non-film mode part and handle with non-film mode, thus, the quality of picture and stability all can significantly promote.
Description of drawings
Fig. 1 is the functional block diagram of an embodiment of video process apparatus of the present invention.
Fig. 2 is the flow chart of an embodiment of the method for processing video data of the present invention.
Fig. 3 is the schematic diagram of an embodiment of processing video data of the present invention.
[main element label declaration]
| 100 | |
| 110 | The |
| 120 | Film mode detector |
| 130 | The |
| 140 | Pure film |
| 150 | Mix the film |
| 160 | Non-film mode processing unit |
| N1～N9 | The image block |
| Fn-1、Fn、Fn+1 | Figure |
| 170 | A plurality of |
| 200、210、220、235、240、 245、250、260、280 | Step |
Embodiment
Please refer to Fig. 1, Fig. 1 is the functional block diagram of video process apparatus 100 of the present invention.Video process apparatus 100 is used for processing video data, and wherein this video data comprises a plurality of figure field.Video process apparatus 100 includes image cutter 110, film mode detector 120, film mode discriminator 130 and a plurality of image process unit 170.Image cutter 110 is used for each figure field in this a plurality of figure field is divided into a plurality of image blocks; Film mode detector 120 is to be coupled to cutter 110, be used for carrying out film mode and detect (Film Mode Detection) and detect that each image block is corresponding film mode or non-film mode in the target figure field, wherein this film mode detects the film mode that is detected and includes two or two drop-down and three or two drop-down or the like; In the present embodiment, film mode discriminator 130 is to be realized by the sawtooth detector, film mode discriminator 130 is to be coupled to film mode detector 120, be used for the image onblock executing sawtooth of being prejudged by film mode detector 120 to film mode is detected, wherein if this image block has sawtooth, then this image block of originally prejudging to film mode is set at the corresponding film mode that mixes, on the other hand, if this image block does not have sawtooth, then this image block is set at corresponding pure film mode, in other words, film mode discriminator 130 is used for further checking the testing result of film mode detector 120.A plurality of image process units 170 comprise non-film mode processing unit 160, pure film mode processing unit 140 and mix film mode processing unit 150, non-film mode processing unit 160 is to be coupled to film mode detector 120, when film mode detector 120 is judged the non-film mode of this image block correspondence, use non-film mode image processing mechanism to handle this specific image block; Pure film mode processing unit 140 is to be coupled to film mode discriminator 130, is used in this target figure field a specific image block when being corresponding pure film mode, uses pure film mode image processing mechanism to handle this specific image block; In addition, mixing film mode processing unit 150 is to be coupled to film mode discriminator 130, being used in this target figure field this specific image block detects except pure film mode image and when having crenellated phenomena, be the corresponding film mode that mixes, then use mixing film mode image processing mechanism to handle this specific image block.The present invention is not limited to use this sawtooth detector with the film mode discriminator 130 that mixes film mode, all distinguishable pure film modes and the detector that mixes film mode spirit all according to the invention about differentiating pure film mode.
Please refer to Fig. 2, Fig. 2 is the flow chart of the method for processing video data of the present invention.The processing of video data includes the following step:
Step 200: beginning;
Step 210: receiving target figure field Fn in this video data;
Step 220: with target figure field F
nBe divided into 9 image block N1～N9;
Step 235: a specific image block corresponding pure film mode whether among image block N1～N9? if then execution in step 240; Otherwise, execution in step 280;
Step 240: the specific image block of prejudging to film mode is carried out the sawtooth detection;
Step 245: sawtooth is arranged in the specific image block? if judging has sawtooth, then execution in step 260; Otherwise, execution in step 250;
Step 250: use pure film mode image processing mechanism to handle this specific image block;
Step 260: use mixing film mode image processing mechanism to handle this specific image block;
Step 280: use non-film mode image processing mechanism to handle this specific image block.
In order to describe the operation of processing video data of the present invention in detail, below be illustrated with an example.Please refer to Fig. 3, Fig. 3 is the schematic diagram of an embodiment of processing video data of the present invention.As shown in Figure 3, receive target figure field F in the video data when image cutter 110
nThe time, it is just with the target figure field F that is received
nBe divided into 9 image block N1～N9.Then, film mode detector 120 is checked this 9 image block N1～N9 respectively one by one, is example with image block N1, film mode detector 120 can check institute receives scheme in the field with target figure field in F
nImage block N1 be in same position a plurality of continuous adjacent figure field, front and back (... F
N-2, F
N-1, F
N+1, F
N+2...) in the image block, and whether the image block N1 that utilizes film mode to detect Fn in the target figure field meets two or two drop-down (or three or two pull-down pattern at least, deciding image block N1 is corresponding film mode or non-film mode, if being judged as, image block N1 corresponds to non-film mode, then film mode detector 120 just directly is sent to non-film mode processing unit 160 with image block N1, but not film mode processing unit 160 just uses non-film mode image processing mechanism to carry out subsequent treatment; Correspond to film mode if image block N1 is judged as, then the present invention uses 130 pairs of film model distinguishing devices and target figure field F again
nIn the image onblock executing sawtooth of adjacent figure field, front and back (Fn-1, Fn+1) of the same position of image block N1 detect, wherein, the image block N1 among the target figure field Fn has sawtooth if being judged as, then film mode discriminator 130 just setting of image block N1 be the corresponding film mode that mixes, and send it to and mix film mode processing unit 150, then, mixing film mode processing unit 150 just uses mixing film mode image processing mechanism to carry out subsequent treatment; On the other hand, if image block N1 is judged as and does not have sawtooth, then film mode discriminator 130 just setting of image block N1 be corresponding pure film mode, and send it to pure film mode processing unit 140, then, pure film mode processing unit 140 promptly uses pure film mode image processing mechanism to carry out subsequent treatment.Similarly, remaining these 8 image block N2～N9 handles according to said method.Thus, the present invention just handles with pure film mode belonging to pure film mode part in the image, mixing the film mode part handles to mix film mode, and belong to non-film mode part with non-film mode processing, in other words, this is the individual treated of being done via specific image processing mechanism at the image block of each cutting gained, so that can obtain the best quality of image and stability.
It more than is preferred embodiment of the present invention, yet please note, one figure field is divided into 9 image blocks only is one embodiment of the invention, it is not restrictive condition of the present invention, that is, according to design requirement, image cutter 110 of the present invention can be divided into a figure field image block of other number, for instance, under another embodiment of the present invention, consider that the horse race lamp captions usually are to appear at the both sides of image or up and down the time, are that direction removes to cut the image block so this embodiment just will scheme the field with horizontal line or with the plumb line, perhaps the probability distribution that appears at image block position according to the horse race lamp captions is cut image.
The present invention is except detecting pure film mode, also can detect the mixing film mode, on this external processing mixing film mode, also can handle with film mode belonging to the film mode part in the image, and belong to non-film mode part with non-film mode processing, thus, the quality of picture and stability all can promote.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (13)
1. video data handling procedure, this video data comprises a plurality of figure field, this video data handling procedure comprises the following steps:
Each figure field in those figure fields is divided into a plurality of image blocks;
Each image block is corresponding film mode or non-film mode in the detection target figure field, and wherein this target figure field is one of them of those figure fields;
Those image blocks that detect each corresponding film mode in this target figure field are corresponding pure film modes or mix film mode; And
Use specific image processing mechanism to process at each those image block.
2. video data handling procedure according to claim 1, this specific image processing mechanism are meant when a specific image block in this target figure field is corresponding pure film mode, use pure film mode image processing mechanism to handle this specific image block.
3. video data handling procedure according to claim 1, this specific image processing mechanism is meant when a specific image block in this target figure field is correspondence mixing film mode, uses mixing film mode image processing mechanism to handle this specific image block.
4. video data handling procedure according to claim 1, those image blocks that wherein detect each corresponding film mode in this target figure field are that corresponding pure film mode or the step of mixing film mode detect for carrying out sawtooth, wherein if this image block has sawtooth, then setting this image block is the corresponding film mode that mixes, and if this image block does not have sawtooth, then setting this image block is corresponding pure film mode.
5. video data handling procedure according to claim 1, the step that wherein detects each image block in this target figure field and be corresponding film mode or non-film mode is to carry out film mode to detect, wherein this film mode detect the film mode that is detected comprise two or two drop-down with three or two drop-down in one at least.
6. video data handling procedure according to claim 1, wherein each figure field is to be divided into N those image blocks, wherein N is that positive integer and those image area block size shapes have M kind, wherein M ≦ N.
7. video data processing apparatus, this video data comprises a plurality of figure field, this video data processing apparatus comprises:
The image cutter is used for each figure field in those figure fields is divided into a plurality of image blocks;
Film mode detector is coupled to this image cutter, is used for detecting that each image block is corresponding film mode or non-film mode in the target figure field, and wherein this target figure field is one of them of those figure fields;
The film mode discriminator is coupled to this film mode detector, and those image blocks that are used for detecting each corresponding film mode in this target figure field are corresponding pure film modes or mix film mode; And
A plurality of image process units are coupled to this film mode detector and this film mode discriminator, use specific image processing mechanism to deal with at each those image block.
8. video data processing apparatus according to claim 7, this film mode discriminator is the sawtooth detector, whether those image blocks that are used for detecting each corresponding film mode in this target figure field have crenellated phenomena, mix film mode if having then to belong to, and then do not belong to pure film mode if having.
9. video data processing apparatus according to claim 7, this image process unit is pure film mode processing unit, be coupled to this film mode discriminator, when a specific image block in this target figure field is corresponding pure film mode, then use pure film mode image processing mechanism to handle this specific image block.
10. video data processing apparatus according to claim 7, this image process unit is to mix the film mode processing unit, be coupled to this film mode discriminator, when this specific image block in this target figure field is correspondence mixing film mode, then use mixing film mode image processing mechanism to handle this specific image block.
11. video data processing apparatus according to claim 7, this image process unit is non-film mode processing unit, be coupled to this film mode detector, when this specific image block in this target figure field is corresponding non-film mode, then use non-film mode image processing mechanism to handle this specific image block.
12. video data processing apparatus according to claim 7, wherein detecting in this target figure field each image block is that corresponding film mode or non-film mode are meant that carrying out film mode detects, wherein this film mode detect the film mode that is detected include two or two drop-down with three or two drop-down in one at least.
13. video data processing apparatus according to claim 7, wherein each figure field is to be divided into N those image blocks, and wherein N is that positive integer and those image area block size shapes have M kind, wherein M ≦ N.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101962901A CN101453608B (en) | 2007-12-07 | 2007-12-07 | Video data processing method and apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101962901A CN101453608B (en) | 2007-12-07 | 2007-12-07 | Video data processing method and apparatus |
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| CN101453608B CN101453608B (en) | 2010-12-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572289A (en) * | 2011-08-02 | 2012-07-11 | 上海高清数字科技产业有限公司 | Method and device for detecting and processing movie mode |
| CN102572290A (en) * | 2011-12-09 | 2012-07-11 | 上海高清数字科技产业有限公司 | Detection and processing method for 2-2 film mode |
| CN103297740A (en) * | 2013-05-29 | 2013-09-11 | 四川长虹电器股份有限公司 | Method for eliminating pausing of display |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TW509834B (en) * | 1999-11-30 | 2002-11-11 | Koninkl Philips Electronics Nv | Realization of an arbitrary transfer function |
| CN1467700A (en) * | 2002-07-11 | 2004-01-14 | 中强电子股份有限公司 | Brightness regulating method and equipment for LCD |
| WO2007073388A1 (en) * | 2005-12-23 | 2007-06-28 | Tte Technology, Inc. | Contrast ratio enhancement system using linearized illumination control |
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2007
- 2007-12-07 CN CN2007101962901A patent/CN101453608B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572289A (en) * | 2011-08-02 | 2012-07-11 | 上海高清数字科技产业有限公司 | Method and device for detecting and processing movie mode |
| CN102572290A (en) * | 2011-12-09 | 2012-07-11 | 上海高清数字科技产业有限公司 | Detection and processing method for 2-2 film mode |
| CN103297740A (en) * | 2013-05-29 | 2013-09-11 | 四川长虹电器股份有限公司 | Method for eliminating pausing of display |
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| CN101453608B (en) | 2010-12-01 |
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