CN1527610A - 用于视频预测残差系数编码的熵编码方法 - Google Patents
用于视频预测残差系数编码的熵编码方法 Download PDFInfo
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- CN1527610A CN1527610A CNA031571891A CN03157189A CN1527610A CN 1527610 A CN1527610 A CN 1527610A CN A031571891 A CNA031571891 A CN A031571891A CN 03157189 A CN03157189 A CN 03157189A CN 1527610 A CN1527610 A CN 1527610A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
int incVlc[]={1,2,3,5,8,3000}; TableNum=0;//采用VLC0_Intra或VLC0_Inter编码第一个(level,run) for(icoeff=TotalCoeff;icoeff>0;icoeff--)//编码块内所有非零系数 { encode_levelrun(TableNum);//采用当前码表,编码当前(level,run) if(abs(level)>incVlc[TableNum])//以已编码的level值切换码表 <!-- SIPO <DP n="5"> --> <dp n="d5"/> { if(abs(level)<=3) TableNum=(abs(level)-1); else if(abs(level)<=5) TableNum=3; else if(abs(level)<=8) TableNum=4; else TaleNum=5; } }
VLC0_Inter | VLC1_Inter | |||||||||||||
Run | EOB | Level>0 | Run | EOB | Level>0 | |||||||||
1 | 2 | 3 | 4 | 5 | 1 | 2 | 3 | 4 | 5 | 6 | ||||
0 | 0 | 1 | 9 | 27 | 41 | 53 | 0 | 0 | 1 | 5 | 11 | 19 | 35 | 45 |
1 | - | 3 | 25 | - | - | - | 1 | - | 3 | 13 | 27 | 51 | - | - |
2 | - | 5 | 35 | - | - | - | 2 | - | 7 | 23 | 47 | - | - | - |
3 | - | 7 | 39 | - | - | - | 3 | - | 9 | 29 | 53 | - | - | - |
4 | - | 11 | 45 | - | - | - | 4 | - | 15 | 39 | - | - | - | - |
5 | - | 13 | 47 | - | - | - | 5 | - | 17 | 41 | - | - | - | - |
6 | - | 15 | 55 | - | - | - | 6 | - | 21 | 57 | - | - | - | - |
7 | - | 17 | - | - | - | - | 7 | - | 25 | - | - | - | - | - |
8 | - | 19 | - | - | - | - | 8 | - | 31 | - | - | - | - | - |
9 | - | 21 | - | - | - | - | 9 | - | 33 | - | - | - | - | - |
10 | - | 23 | - | - | - | - | 10 | - | 37 | - | - | - | - | - |
11 | - | 29 | - | - | - | - | 11 | - | 43 | - | - | - | - | - |
12 | - | 31 | - | - | - | - | 12 | - | 49 | - | - | - | - | - |
13 | - | 33 | - | - | - | - | 13 | - | 55 | - | - | - | - | - |
14 | - | 37 | - | - | - | - | 14 | - | - | - | - | - | - | - |
15 | - | 43 | - | - | - | - | 15 | - | - | - | - | - | - | - |
16 | - | 49 | - | - | - | - | 16 | - | - | - | - | - | - | - |
17 | - | 51 | - | - | - | - | 17 | - | - | - | - | - | - | - |
18 | - | 57 | - | - | - | - | 18 | - | - | - | - | - | - | - |
阶数 | Exp-Golomb码 | 码长L | 码字或数值 |
K=0 | 1 | 1 | 0 |
01x0 | 3 | 2L/2-1+INFO | |
001x1x0 | 5 | ||
0001x2x1x0 | 7 | ||
00001x3x2x1x0 | 9 | ||
000001x4x3x2x1x0 | 11 | ||
000000x5x4x3x2x1x0 | 12 | 2(L+1)/2-1+INFO | |
K=1 | 1x0 | 2 | 2(L+1)/2-2+INFO |
01x1x0 | 4 | ||
001x2x1x0 | 6 | ||
0001x3x2x1x0 | 8 | ||
00001x4x3x2x1x0 | 10 | ||
00000x5x4x3x2x1x0 | 11 | ||
K=2 | 1x1x0 | 3 | 2(L+2)/2-4+INFO |
01x2x1x0 | 5 | ||
001x3x2x1x0 | 7 | ||
0001x4x3x2x1x0 | 9 |
0000x5x4x3x2x1x0 | 10 | ||
K=3 | 1x2x1x0 | 4 | 2(L+3)/2-8+INFO |
01x3x2x1x0 | 6 | ||
001x4x3x2x1x0 | 8 | ||
000x5x4x3x2x1x0 | 9 | ||
K=4 | 1x3x2x1x0 | 5 | 2(L+4)/2-16+INFO |
01x4x3x2x1x0 | 7 | ||
00x5x4x3x2x1x0 | 8 |
Claims (10)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB031571891A CN1214649C (zh) | 2003-09-18 | 2003-09-18 | 用于视频预测残差系数编码的熵编码方法 |
BRPI0414308A BRPI0414308B1 (pt) | 2003-09-18 | 2004-07-05 | método de conversão em código por entropia para converter em código coeficientes residuais de predição de vídeo |
PCT/CN2004/000750 WO2005027521A1 (en) | 2003-09-18 | 2004-07-05 | Entropy coding method for encoding remanet coefficient in video predicting |
US10/572,440 US7974343B2 (en) | 2003-09-18 | 2004-07-05 | Entropy coding method for coding video prediction residual coefficients |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNB031571891A CN1214649C (zh) | 2003-09-18 | 2003-09-18 | 用于视频预测残差系数编码的熵编码方法 |
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CN1527610A true CN1527610A (zh) | 2004-09-08 |
CN1214649C CN1214649C (zh) | 2005-08-10 |
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Country Status (4)
Country | Link |
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US (1) | US7974343B2 (zh) |
CN (1) | CN1214649C (zh) |
BR (1) | BRPI0414308B1 (zh) |
WO (1) | WO2005027521A1 (zh) |
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- 2003-09-18 CN CNB031571891A patent/CN1214649C/zh not_active Expired - Fee Related
-
2004
- 2004-07-05 BR BRPI0414308A patent/BRPI0414308B1/pt active IP Right Grant
- 2004-07-05 WO PCT/CN2004/000750 patent/WO2005027521A1/zh active Application Filing
- 2004-07-05 US US10/572,440 patent/US7974343B2/en active Active
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Also Published As
Publication number | Publication date |
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BRPI0414308A (pt) | 2006-11-07 |
CN1214649C (zh) | 2005-08-10 |
BRPI0414308B1 (pt) | 2018-11-21 |
WO2005027521A1 (en) | 2005-03-24 |
US20070200737A1 (en) | 2007-08-30 |
US7974343B2 (en) | 2011-07-05 |
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