CN101605263B - Method and device for intraframe prediction - Google Patents
Method and device for intraframe prediction Download PDFInfo
- Publication number
- CN101605263B CN101605263B CN 200910100537 CN200910100537A CN101605263B CN 101605263 B CN101605263 B CN 101605263B CN 200910100537 CN200910100537 CN 200910100537 CN 200910100537 A CN200910100537 A CN 200910100537A CN 101605263 B CN101605263 B CN 101605263B
- Authority
- CN
- China
- Prior art keywords
- reference pixel
- group
- predictive mode
- reconstruct
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The invention provides a method for intraframe prediction. The method comprises the following steps of: (1) reading a N*N block to be predicted from a memory as the current block; (2) judging the reconstructing conditions of reference pixels needed by the current block, preferentially selecting a prediction mode in which the needed reference pixels are reconstructed and which is not executed, if the prediction mode in which the needed reference pixels are reconstructed and which is not executed does not exist currently, selecting the prediction mode in which the needed reference pixels are first reconstructed and which is not executed, and if the reconstruction of the needed reference pixels is not completed, waiting for entering until the reconstruction is completed; (3) outputting the current executable prediction modes, executing the intraframe prediction in at least one mode until the prediction is completed in the currently selected prediction mode; and (4) if in the current block, the prediction is completed in all executable prediction modes, ending the prediction, otherwise, returning to the step(2). The invention provides a device for intraframe prediction at the same time. The method and the device have the advantages of reducing prediction waiting time, improving intraframe prediction efficiency and real-time coding efficiency, and effectively lowering hardware cost.
Description
Technical field
The present invention relates to technical field of video coding, relate in particular to a kind of intra-frame prediction method and device of adaptively changing intra prediction mode execution sequence.
Background technology
H.264 infra-prediction techniques is utilized image correlation compressed image information spatially, comprises 3 types of intraframe predictive codings: 8 * 8 colorimetric predictions in 16 * 16 luma prediction and the frame in intra-frame 4 * 4 luma prediction, the frame.
Each 4 * 4 luminance block of intra-frame 4 * 4 luma prediction independent prediction are applicable to the image encoding that has a large amount of details.As shown in Figure 1, the intra-frame 4 * 4 luma prediction has 9 kinds of optional predictive modes, and the required reference image vegetarian refreshments of each predictive mode is as shown in the table:
Visible through last table, pixel A, B, C and D are in the piece adjacent with 4 * 4 the upside of being predicted; E, F, G and H are in the adjacent piece in 4 * 4 the upper right side of being predicted; I, J, K and L are in the adjacent piece in 4 * 4 the left side of being predicted; M is in the adjacent piece in 4 * 4 the upper left side of being predicted.
16 * 16 luma prediction are applicable to the flat site image encoding in the frame, and are as shown in Figure 3, and 16 * 16 luma prediction have 4 kinds of optional predictive modes in the frame: pattern 0: horizontal forecast pattern; Pattern 1: vertical prediction pattern; Pattern 2: direct current predictive mode and mode 3: plane prediction mode.
8 * 8 colorimetric predictions also have 4 kinds of predictive modes in the frame, 16 * 16 luma prediction in its pattern is at same frame, and different is the sign order difference of pattern.4 kinds of patterns of 8 * 8 colorimetric predictions are: pattern 0: direct current predictive mode; Pattern 1: horizontal forecast pattern; Pattern 2: vertical prediction pattern and mode 3: plane prediction mode.
3 types of above-mentioned infra-frame predictions are with adjacent top delegation and the left side one row have been encoded and the pixel of reconstruct is predicted; The infra-frame prediction of prior art is that all pieces are adopted identical predictive mode execution sequence; And need to wait for after all contiguous blocks completion reconstruct, just can carry out the infra-frame prediction of current block, like hypothesis current executed intra-frame 4 * 4 luma prediction; As shown in Figure 4; By predict blocks is piece 9, has only ability predict blocks 9 after piece 8, piece 2, piece 3 and piece 6 reconstruct, also need carry out integer transform, quantification, inverse quantization and inverse transformation operation simultaneously between prediction and the reconstruct; To cause the whole prediction process very consuming time like this, influence the efficient of real-time coding.
Summary of the invention
The present invention is directed to the weak point of prior art; A kind of method of intra-prediction of adaptively changing intra prediction mode execution sequence is provided; This method only needs the part contiguous block to accomplish the infra-frame prediction that reconstruct can be carried out current block; And need not wait for all contiguous blocks completion reconstruct, thus reduce the prediction latency time between the predict blocks, improve the efficient of infra-frame prediction efficient and real-time coding.
The present invention simultaneously also provides a kind of device that is used for intra prediction mode
A kind of intra-frame prediction method, as shown in Figure 5, may further comprise the steps:
(1) chooses a new N to be predicted * N piece as current block;
(2) the reconstruct situation of the required reference pixel of judgement current block; To different reconstruct situation, preferentially select the unenforced predictive mode of required reference pixel reconstruct, if the current unenforced predictive mode that does not also have the reconstruct of required reference pixel; Then select required reference pixel to get into the unenforced predictive mode of reconstruct at first; If the reference pixel that selected predictive mode needs is not also accomplished reconstruct, then get into wait state, accomplish reconstruct up to required reference pixel;
(3) export current executable predictive mode, carry out the infra-frame prediction of at least a pattern, all accomplished prediction up to the current predictive mode of selecting;
(4) judge whether that all executable predictive modes of current block have all accomplished prediction, get into step (5) if accomplished, otherwise return step (2);
(5) finish the current block infra-frame prediction;
(6) repeat step (1)-(5), accomplish infra-frame prediction up to the piece that present frame is all.
The above infra-frame prediction process of a piece just can repeat this flow process for a plurality of or a two field picture, also can in carrying out above-mentioned steps (2)-(5) implementation, call in a new current block by step (1).
When carrying out step (2), (3) and (4), also continue to receive and store the reference pixel of contiguous block simultaneously.
Also can divide into groups to the said predictive mode of step (2), group forming criterion is: according to the required reference pixel of predictive mode present position, required reference pixel position consistency of predictive mode or close predictive mode are divided into one group;
As predictive mode is divided in following five groups any two groups or more than: first group: the required reference pixel of the predictive mode of this group only is distributed in the left piece; Second group: the required reference pixel of the predictive mode of this group only is distributed in just to be gone up in the piece; The 3rd group: the required reference pixel of the predictive mode of this group is distributed in just to be gone up among piece and upper right; The 4th group: the required reference pixel of the predictive mode of this group is distributed in just to be gone up among piece, left piece and upper left; The 5th group: the required reference pixel of the predictive mode of this group is distributed as combination in any or other positions of above-mentioned four groups of predictive modes;
Group technology for the intra-frame 4 * 4 luma prediction is: first group, comprise pattern 1 and pattern 8; Second group, comprise pattern 0; The 3rd group, comprise mode 3 and mode 7; The 4th group, comprise pattern 4, pattern 5, pattern 6, pattern 2;
Wherein, the said N * N of step (1) can be 16 * 16,8 * 8 or 4 * 4 block of pixels units.
Wherein, the reconstruct situation of the said reference image vegetarian refreshments of step (2) is for left adjacent piece pixel reconstruction only, only go up adjacent piece pixel reconstruction, left adjacent piece pixel and go up adjacent piece pixel reconstruction, go up adjacent piece pixel and upper right adjacent piece pixel reconstruction or all reconstruct of all pixels.
A kind of infra-frame prediction device, as shown in Figure 6, comprise the current block read module, control module, reference pixel processing module Executive Module:
Said current block read module is used for reading a new N to be predicted * N piece as current block from memory.
Said control module is used for when receiving a new current block; Judge the reconstruct situation of the required reference pixel of current block; To different reconstruct situation, preferentially select the unenforced predictive mode of required reference pixel reconstruct, if the current unenforced predictive mode that does not also have the reconstruct of required reference pixel; Then select reference pixel to get into the unenforced predictive mode of reconstruct at first; If selected predictive mode need reference pixel also do not accomplish reconstruct, get into wait state, accomplish reconstruct up to reference pixel; Said control module judges whether all predictive modes of current block all accomplish prediction, if accomplish, selects next piece prediction, accomplishes infra-frame prediction up to all pieces; If accomplish, continue to judge the reconstruct situation of the required reference pixel of current block, carry out a kind of in above-mentioned three kinds of operations to different reconstruct situation; After said Executive Module is used to receive the instruction of control module, carry out a kind of infra-frame prediction of pattern at least, output frame inner estimation mode and infra-frame prediction result.
Said reference pixel processing module is used for continuing to receive and store the reference pixel of contiguous block, and receives the instruction of control module, exports the required reference pixel of corresponding executable predictive mode to Executive Module.
Said control module also comprises grouping module, and described grouping module is according to the reference pixel present position of predictive mode needs, and the position consistency or the close predictive mode of the required reference pixel of predictive mode is divided into one group.
As predictive mode is divided in following five groups any two groups or more than: first group: the required reference pixel of the predictive mode of this group only is distributed in the left piece; Second group: the required reference pixel of the predictive mode of this group only is distributed in just to be gone up in the piece; The 3rd group: the required reference pixel of the predictive mode of this group is distributed in just to be gone up among piece and upper right; The 4th group: the required reference pixel of the predictive mode of this group is distributed in just to be gone up among piece, left piece and upper left; The 5th group: the required reference pixel of the predictive mode of this group is distributed as combination in any or other positions of above-mentioned four groups of predictive modes.
The invention has the beneficial effects as follows and utilize required reference pixel distribution different features between predictive mode; A kind of method of intra-prediction and device of adaptively changing intra prediction mode execution sequence are provided; The present invention only needing to have realized the part contiguous block to accomplish reconstruct can carry out infra-frame prediction, and need not wait for all contiguous blocks completion reconstruct, thereby reduces the prediction latency time between the predict blocks; Improve the efficient of infra-frame prediction efficient and real-time coding; In hardware is realized, only need increase simple control resource simultaneously, reduce cost effectively.
Description of drawings
Fig. 1 is intra-frame 4 * 4 luma prediction modes figure, and the indicated direction of arrow is a prediction direction, the reference pixel of needs when grey color part is represented infra-frame prediction, and white portion is represented current block;
Fig. 2 is 4 * 4 distribution schematic diagrams with contiguous reference image vegetarian refreshments;
Fig. 3 is 16 * 16 luma prediction modes figure in the frame;
Fig. 4 is the scanning sequence sketch map of 4 * 4 sub-pieces in 16 * 16 macro blocks of traditional definition;
Fig. 5 is the intra-frame prediction method flow chart that the present invention proposes;
Fig. 6 is the structural representation of the infra-frame prediction device that proposes of the present invention;
Embodiment
Below in conjunction with accompanying drawing content of the present invention is further specified.
A kind of intra-frame prediction method is an example with the intra-frame 4 * 4 luma prediction, may further comprise the steps:
(1) from memory, read one new to be predicted 4 * 4 as current block;
(2) the reconstruct situation of the required reference pixel of judgement current block; To different reconstruct situation, preferentially select the unenforced predictive mode of required reference pixel reconstruct, if the current unenforced predictive mode that does not also have the reconstruct of required reference pixel; Then select required reference pixel to get into the unenforced predictive mode of reconstruct at first; If the reference pixel that selected predictive mode needs is not also accomplished reconstruct, then get into wait state, accomplish reconstruct up to required reference pixel;
(3) export current executable predictive mode, carry out the infra-frame prediction of at least a pattern, all accomplished prediction up to the current predictive mode of selecting;
(4) judge whether that all executable predictive modes of current block have all accomplished prediction, get into step (5) if accomplished, otherwise return step (2);
(5) finish the current block infra-frame prediction.
The above infra-frame prediction process of a piece just can repeat this flow process for a plurality of or a two field picture, also can in carrying out above-mentioned steps (2)-(5) implementation, call in a new current block by step (1).
When carrying out step (2), (3) or (4), also continue to receive and store the reference pixel of contiguous block simultaneously.
Also can divide into groups to the said predictive mode of step (2), group forming criterion is: according to the required reference pixel of predictive mode present position, required reference pixel position consistency of predictive mode or close predictive mode are divided into one group;
As predictive mode is divided in following five groups any two groups or more than: first group: the required reference pixel of the predictive mode of this group only is distributed in the left piece; Second group: the required reference pixel of the predictive mode of this group only is distributed in just to be gone up in the piece; The 3rd group: the required reference pixel of the predictive mode of this group is distributed in just to be gone up among piece and upper right; The 4th group: the required reference pixel of the predictive mode of this group is distributed in just to be gone up among piece, left piece and upper left; The 5th group: the required reference pixel of the predictive mode of this group is distributed as combination in any or other positions of above-mentioned four groups of predictive modes;
A kind of infra-frame prediction device, as shown in Figure 6, comprise current block read module (10), control module (11), reference pixel processing module (12), Executive Module (13):
Said current block read module (10) reads from memory gets a new N to be predicted * N piece as current block.
Said control module (11), the reconstruct situation of the required reference pixel of judgement current block is to different reconstruct situation; The preferential unenforced predictive mode of selecting the reconstruct of required reference pixel; If the current unenforced predictive mode that does not also have the reconstruct of required reference pixel then selects reference pixel to get into the unenforced predictive mode of reconstruct at first, if selected predictive mode need reference pixel also do not accomplish reconstruct; Get into wait state, accomplish reconstruct up to reference pixel; Said control module (11) judges whether all predictive modes of current block all accomplish prediction, if accomplish, selects next piece prediction, accomplishes infra-frame prediction up to all pieces; The required reference pixel of said control module control (11) reference pixel processing module (12) corresponding executable predictive mode of output disposes Executive Module (13) simultaneously and gets into corresponding predictive mode.
After said Executive Module (13) receives the instruction of control module (11), carry out a kind of infra-frame prediction of pattern at least, output frame inner estimation mode and infra-frame prediction result.
Said reference pixel processing module (12) receives and the contiguous reference pixel of storage, and receives the instruction of control module (11), exports the required reference pixel of corresponding executable predictive mode to Executive Module.
Said control module (11) also comprises grouping module (14), and described grouping module (14) is according to the reference pixel present position of predictive mode needs, and the position consistency or the close predictive mode of the required reference pixel of predictive mode is divided into one group;
As predictive mode is divided in following five groups any two groups or more than: first group: the required reference pixel of the predictive mode of this group only is distributed in the left piece; Second group: the required reference pixel of the predictive mode of this group only is distributed in just to be gone up in the piece; The 3rd group: the required reference pixel of the predictive mode of this group is distributed in just to be gone up among piece and upper right; The 4th group: the required reference pixel of the predictive mode of this group is distributed in just to be gone up among piece, left piece and upper left; The 5th group: the required reference pixel of the predictive mode of this group is distributed as combination in any or other positions of above-mentioned four groups of predictive modes.
What should be understood that is, the foregoing description is just to explanation of the present invention, rather than limitation of the present invention, and any innovation and creation that do not exceed in the connotation scope of the present invention all fall within the protection range of the present invention.
Claims (9)
1. intra-frame prediction method is characterized in that may further comprise the steps:
(1) from memory, reads a new N to be predicted * N piece as current block;
(2) judge the reconstruct situation of the required reference pixel of current block, carry out a kind of in the following operations to different reconstruct situation:
(A) preferentially select the unenforced predictive mode of required reference pixel reconstruct; (B) if the current unenforced predictive mode that does not also have the reconstruct of required reference pixel then selects required reference pixel to get into the unenforced predictive mode of reconstruct at first; (C) if the reference pixel that selected predictive mode needs is not also accomplished reconstruct, then get into wait state, accomplish reconstruct up to required reference pixel;
(3) export current executable predictive mode, carry out the infra-frame prediction of at least a pattern, all accomplished prediction up to the current predictive mode of selecting;
(4) judge whether that all executable predictive modes of current block have all accomplished prediction, get into step (5) if accomplished, otherwise return step (2);
(5) finish the current block infra-frame prediction;
(6) repeat step (1)-(5), accomplish infra-frame prediction up to the piece that present frame is all;
Wherein, when carrying out step (2), (3) and (4), also continue to receive and store the reference pixel of contiguous block simultaneously.
2. intra-frame prediction method as claimed in claim 1; It is characterized in that the said predictive mode of step (2) is divided into groups; Group forming criterion is: according to the required reference pixel of predictive mode present position, required reference pixel position consistency of predictive mode or close predictive mode are divided into one group.
3. intra-frame prediction method as claimed in claim 2, it is characterized in that with predictive mode be divided in following five groups any two groups or more than: first group: the required reference pixel of the predictive mode of this group only is distributed in the left piece; Second group: the required reference pixel of the predictive mode of this group only is distributed in just to be gone up in the piece; The 3rd group: the required reference pixel of the predictive mode of this group is distributed in just to be gone up among piece and upper right; The 4th group: the required reference pixel of the predictive mode of this group is distributed in just to be gone up among piece, left piece and upper left; The 5th group: the required reference pixel of the predictive mode of this group is distributed as combination in any or other positions of above-mentioned four groups of predictive modes.
4. intra-frame prediction method as claimed in claim 2 is characterized in that for the group technology of intra-frame 4 * 4 luma prediction being: first group, comprise pattern 1 and pattern 8; Second group, comprise pattern 0; The 3rd group, comprise mode 3 and mode 7; The 4th group, comprise pattern 4, pattern 5, pattern 6 and pattern 2.
5. intra-frame prediction method as claimed in claim 1 is characterized in that the said N * N of step (1) can be 16 * 16,8 * 8 or 4 * 4 block of pixels units.
6. intra-frame prediction method as claimed in claim 1, the reconstruct situation that it is characterized in that the said reference image vegetarian refreshments of step (2) are for left adjacent piece pixel reconstruction only, only go up adjacent piece pixel reconstruction, left adjacent piece pixel and go up adjacent piece pixel reconstruction, go up adjacent piece pixel and upper right adjacent piece pixel reconstruction or all reconstruct of all pixels.
7. an infra-frame prediction device is characterized in that comprising the current block read module, control module, and the reference pixel processing module, Executive Module:
Said current block read module is used for reading a new N to be predicted * N piece as current block from memory;
Said control module is used for when receiving a new current block; Judge the reconstruct situation of the required reference pixel of current block, carry out a kind of in the following operations: the unenforced predictive mode of (A) preferentially selecting the reconstruct of required reference pixel to different reconstruct situation; (B) if the current unenforced predictive mode that does not also have the reconstruct of required reference pixel then selects reference pixel to get into the unenforced predictive mode of reconstruct at first; (C) if the reference pixel that selected predictive mode needs is not also accomplished reconstruct, get into wait state, accomplish reconstruct up to reference pixel; Said control module judges further whether all executable predictive modes of current block all accomplish prediction, if accomplish, selects next piece prediction, accomplishes infra-frame prediction up to all pieces; If accomplish, continue to judge the reconstruct situation of the required reference pixel of current block, carry out a kind of in above-mentioned three kinds of operations to different reconstruct situation;
Said Executive Module after being used to receive the instruction of control module, is carried out the infra-frame prediction of at least a pattern, output frame inner estimation mode and infra-frame prediction result;
Said reference pixel processing module is used for continuing to receive and store the reference pixel of contiguous block, and receives the instruction of control module, exports the required reference pixel of corresponding executable predictive mode to Executive Module.
8. like the said infra-frame prediction device of claim 7; It is characterized in that said control module also comprises grouping module; Described grouping module is according to the reference pixel present position of predictive mode needs, and the position consistency or the close predictive mode of the required reference pixel of predictive mode is divided into one group.
9. like the said infra-frame prediction device of claim 8, it is characterized in that said being grouped into: with predictive mode be divided in following five groups any two groups or more than: first group: the required reference pixel of the predictive mode of this group only is distributed in the left piece; Second group: the required reference pixel of the predictive mode of this group only is distributed in just to be gone up in the piece; The 3rd group: the required reference pixel of the predictive mode of this group is distributed in just to be gone up among piece and upper right; The 4th group: the required reference pixel of the predictive mode of this group is distributed in just to be gone up among piece, left piece and upper left; The 5th group: the required reference pixel of the predictive mode of this group is distributed as combination in any or other positions of above-mentioned four groups of predictive modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910100537 CN101605263B (en) | 2009-07-09 | 2009-07-09 | Method and device for intraframe prediction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910100537 CN101605263B (en) | 2009-07-09 | 2009-07-09 | Method and device for intraframe prediction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101605263A CN101605263A (en) | 2009-12-16 |
| CN101605263B true CN101605263B (en) | 2012-06-27 |
Family
ID=41470781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910100537 Active CN101605263B (en) | 2009-07-09 | 2009-07-09 | Method and device for intraframe prediction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101605263B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101379188B1 (en) * | 2010-05-17 | 2014-04-18 | 에스케이 텔레콤주식회사 | Video Coding and Decoding Method and Apparatus for Macroblock Including Intra and Inter Blocks |
| PL3125552T3 (en) * | 2010-08-17 | 2018-09-28 | M&K Holdings Inc. | Method for restoring an intra prediction mode |
| GB2494468B (en) * | 2011-09-12 | 2014-01-15 | Canon Kk | Method and device for encoding or decoding information representing prediction modes |
| CN113596429B (en) * | 2019-08-27 | 2023-04-14 | 咪咕文化科技有限公司 | Pixel point pair selection method, device and computer readable storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1615020A (en) * | 2004-11-10 | 2005-05-11 | 华中科技大学 | Method for pridicting sortable complex in frame |
| US20060176962A1 (en) * | 2005-02-07 | 2006-08-10 | Koji Arimura | Image coding apparatus and image coding method |
-
2009
- 2009-07-09 CN CN 200910100537 patent/CN101605263B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1615020A (en) * | 2004-11-10 | 2005-05-11 | 华中科技大学 | Method for pridicting sortable complex in frame |
| US20060176962A1 (en) * | 2005-02-07 | 2006-08-10 | Koji Arimura | Image coding apparatus and image coding method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101605263A (en) | 2009-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104935942B (en) | The method that intra prediction mode is decoded | |
| CN105376575B (en) | For decoding the device of the movable information under merging patterns | |
| CN103688533B (en) | Chroma intra prediction method and the device of line storage can be reduced | |
| US8867606B2 (en) | Multi-core image encoding processing device and image filtering method thereof | |
| CN108449603B (en) | Based on the multi-level task level of multi-core platform and the parallel HEVC coding/decoding method of data level | |
| CN102065298B (en) | High-performance macroblock coding implementation method | |
| CN105847843A (en) | Multi-standard video decoder with novel intra prediction decoding | |
| CN104853201A (en) | Apparatus and method for encoding/decoding image for intra-prediction | |
| CN103414895A (en) | Encoder intra-frame prediction device and method applicable to HEVC standards | |
| CN104025594A (en) | Tile size in video coding | |
| CN102547296A (en) | Motion estimation accelerating circuit and motion estimation method as well as loop filtering accelerating circuit | |
| CN103051892B (en) | Embedded loop filter method and embedded loop filter | |
| CN101605263B (en) | Method and device for intraframe prediction | |
| CN110337002B (en) | HEVC (high efficiency video coding) multi-level parallel decoding method on multi-core processor platform | |
| CN106210728A (en) | Circuit, method and Video Decoder for video decoding | |
| CN103024389A (en) | HEVC (high efficiency video coding) decoding device and method | |
| Zhao et al. | Efficient realization of parallel HEVC intra encoding | |
| CN1589028B (en) | Predicting device and method based on pixel flowing frame | |
| CN101115207B (en) | Method and device for implementing interframe forecast based on relativity between future positions | |
| CN102143361B (en) | Video coding method and video coding device | |
| CN101790093B (en) | Device and method for implementation of AVS video decoding by using SOPC | |
| CN104519367A (en) | Video decoding processing apparatus and operating method thereof | |
| CN104521234B (en) | Merge the method for processing video frequency and device for going block processes and sampling adaptive migration processing | |
| CN102196272A (en) | P frame coding method and device | |
| CN101841722B (en) | Detection method of detection device of filtering boundary strength |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |