CN1922884B - 视频解码方法 - Google Patents
视频解码方法 Download PDFInfo
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- CN1922884B CN1922884B CN200580005335.1A CN200580005335A CN1922884B CN 1922884 B CN1922884 B CN 1922884B CN 200580005335 A CN200580005335 A CN 200580005335A CN 1922884 B CN1922884 B CN 1922884B
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- 238000000034 method Methods 0.000 title claims abstract description 64
- 230000033001 locomotion Effects 0.000 claims abstract description 74
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- 238000012545 processing Methods 0.000 claims abstract description 33
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- 230000005540 biological transmission Effects 0.000 claims description 5
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- 230000006870 function Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 5
- 238000013139 quantization Methods 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 4
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Images
Classifications
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
-
- 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
- H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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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
macroblock( ){ | 位编号 | 助记符 |
while(nextbits( )==’000 0001 000’) | ||
macroblock_escape | 11 | bslbf |
macroblock_address_increment | 1-11 | vlebf |
macroblock_modes( ) | ||
if(macroblock_quant) | ||
quantiser_scale_code | 5 | uimsbf |
if(macroblock_motion_forward‖ | ||
(macroblock_intra && concealment_motion_vectors)) | ||
motion_vectors(0) | ||
if(macroblock_motion_backward) | ||
motion_vectors(1) | ||
if(macroblock_intra && concealment_motion_vectors)) | 1 | bslbf |
marker bit | ||
if(macroblock_pattern) | ||
coded_block_pattern( ) | ||
for(i=0;i<block_count;i++){ | ||
block(i) | ||
} | ||
} |
macroblock_modes( ){ | 位编号 | 助记符 |
macroblock_type | 1-9 | vlclbf |
if((spatial_temporal_weight_code_flag=1)&& | ||
(spatial_temporal_weight_code_table_index!=’00’)){ | ||
spatial_temporal_weight_code | 2 | uimsbf |
} | ||
if(macroblock_motion_forward‖ | ||
macroblock_motion_backward){ | ||
if(picture_structure==’frame'){ | ||
if(frame_pred_frame_dct==0) | ||
frame_motion_type | 2 | uisbf |
}else{ | ||
field_motion_type | ||
} | ||
} | ||
if((picture_structure=='Frame picture')&& | ||
frame_pred_frame_dct==0)&& | ||
(macroblock_intra‖macroblock_ pattern)){ | ||
dct_type | 1 | uimsbf |
}} | ||
} |
C3.1 | C3.2 | C3.3 | C3.4 | C3.5 | C3.6 | C3.7 | C3.8 | C3.9 |
1 | 0 | 1 | 0 | 1 | 0 | 0 | MC,编码 | 0 |
01 | 0 | 0 | 0 | 1 | 0 | 0 | 无MC,编码 | 0 |
001 | 0 | 1 | 0 | 0 | 0 | 0 | MC,非编码 | 0 |
00011 | 0 | 0 | 0 | 0 | 1 | 0 | 内部 | 0 |
00010 | 1 | 1 | 0 | 1 | 0 | 0 | MC,编码,量化 | 0 |
00001 | 1 | 0 | 0 | 1 | 0 | 0 | 无MC,编码,量化 | 0 |
000001 | 1 | 0 | 0 | 0 | 1 | 0 | 内部,量化 | 0 |
C4.1 | C4.2 | C4.3 | C4.4 | C4.5 | C4.6 | C4.7 | C4.8 | C4.9 |
10 | 0 | 1 | 1 | 0 | 0 | 0 | 内插,非编码 | 0 |
11 | 0 | 1 | 1 | 1 | 0 | 0 | 内插,编码 | 0 |
010 | 0 | 0 | 1 | 0 | 0 | 0 | 后向,非编码 | 0 |
011 | 0 | 0 | 1 | 1 | 0 | 0 | 后向,编码 | 0 |
0010 | 0 | 1 | 0 | 0 | 0 | 0 | 前向,非编码 | 0 |
0011 | 0 | 1 | 0 | 1 | 0 | 0 | 前向,编码 | 0 |
00011 | 0 | 0 | 0 | 0 | 1 | 0 | 内部 | 0 |
00010 | 1 | 1 | 1 | 0 | 0 | 0 | 内插,编码,量化 | 0 |
000011 | 1 | 1 | 0 | 1 | 0 | 0 | 前向,编码,量化 | 0 |
000010 | 1 | 0 | 1 | 1 | 0 | 0 | 后向,编码,量化 | 0 |
000001 | 1 | 0 | 0 | 0 | 1 | 0 | 内部,量化 | 0 |
编码 | spatial_temporal_weight_classes | 预测类型 | motion_vector_count | Mv_format | dmv |
00 | 保留 |
01 | 0,1 | 基于场 | 2 | 场 | 0 |
01 | 2,3 | 基于场 | 1 | 场 | 0 |
10 | 0,1,2,3 | 基于帧 | 1 | 帧 | 0 |
11 | 0,2,3 | 双基(Dual-prime) | 1 | 场 | 1 |
编码 | spatial_temporal_weight_classes | 预测类型 | motion_vector_count | Mv_format | dmv |
00 | 保留 | ||||
01 | 0,1 | 基于场 | 1 | 场 | 0 |
10 | 0.1 | 16x8 MC | 2 | 场 | 0 |
11 | 0 | 双基 | 1 | 场 | 1 |
条件 | dct_type |
picture_structure=”field” | 未使用,因为在场图片中没 |
有帧/场差异 | |
frame_pred_frame_dct=1 | 0(“帧”) |
!(macroblock_intra‖macroblock_pattern) | 未使用-宏块未编码 |
macroblock被跳过 | 未使用-宏块未编码 |
motion_vectors(s){ | 位编号 | 助记符 |
if(motion_vector_count==1){ | ||
if(mv_format==field)&&(DMV!=1)) | ||
morion_vertical_field_select[0][s] | 1 | uimsbf |
motion_vector(0.s) | ||
}else{ | ||
motion_vertical_field_select[1][s] | 1 | uimsbf |
motion_ vector(0.s) | ||
motion_vertical_field_select[1][s] | 1 | uimsbf |
motion_vector(1.s) | ||
} | ||
} |
motion_vectors(r,s){ | 位编号 | 助记符 |
motion_code[r][s][0] | 1-11 | vlclbf |
if((f_code[s][0]!=1)&&(motion_code[r][s][0]!= 0)) |
motion_residual[r][s][0] | 1-8 | uimsbf |
if(dmv==1) | ||
dmvector[0] | 1-2 | vlclbf |
motion_code[r][s][1] | 1-11 | vlclbf |
if((f_code[s][1]!=1)&&(motion_code[r][s][0]!=0)) | ||
motion_residual[r][s][1] | 1-8 | uimsbf |
motion_vector(1.s) | ||
if(dmv==1) | ||
dmvector[1] | 1-2 | vlclbf |
} |
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04100683 | 2004-02-20 | ||
EP04100683.4 | 2004-02-20 | ||
PCT/IB2005/050506 WO2005084032A1 (en) | 2004-02-20 | 2005-02-09 | Method of video decoding |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1922884A CN1922884A (zh) | 2007-02-28 |
CN1922884B true CN1922884B (zh) | 2012-05-23 |
Family
ID=34896097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200580005335.1A Expired - Fee Related CN1922884B (zh) | 2004-02-20 | 2005-02-09 | 视频解码方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070171979A1 (zh) |
EP (1) | EP1719346A1 (zh) |
JP (1) | JP2007524309A (zh) |
CN (1) | CN1922884B (zh) |
WO (1) | WO2005084032A1 (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1720341B1 (en) * | 2004-03-19 | 2013-04-10 | Panasonic Corporation | Imaging device |
EP1889485A1 (en) * | 2005-05-25 | 2008-02-20 | Nxp B.V. | Multiple instance video decoder for macroblocks coded in a progressive and an interlaced way |
US8731311B2 (en) | 2006-09-26 | 2014-05-20 | Panasonic Corporation | Decoding device, decoding method, decoding program, and integrated circuit |
US8559451B2 (en) * | 2007-03-06 | 2013-10-15 | Marvell Israel (Misl) Ltd. | Turbo decoder |
KR101086434B1 (ko) * | 2007-03-28 | 2011-11-25 | 삼성전자주식회사 | 비디오 데이터 디스플레이 방법 및 장치 |
US8526489B2 (en) * | 2007-09-14 | 2013-09-03 | General Instrument Corporation | Personal video recorder |
JP2011501555A (ja) | 2007-10-16 | 2011-01-06 | エルジー エレクトロニクス インコーポレイティド | ビデオ信号処理方法及び装置 |
US8432975B2 (en) * | 2008-01-18 | 2013-04-30 | Mediatek Inc. | Apparatus and method for processing a picture frame |
CN110460860A (zh) | 2010-04-01 | 2019-11-15 | 索尼公司 | 图像处理设备和方法 |
JP5387520B2 (ja) * | 2010-06-25 | 2014-01-15 | ソニー株式会社 | 情報処理装置と情報処理方法 |
CN102340662B (zh) * | 2010-07-22 | 2013-01-23 | 炬才微电子(深圳)有限公司 | 一种视频处理设备和方法 |
TWI514854B (zh) * | 2013-03-29 | 2015-12-21 | Univ Nat Yunlin Sci & Tech | Establishment of Adjustable Block - based Background Model and Real - time Image Object Detection |
CN105635774A (zh) * | 2015-12-25 | 2016-06-01 | 百度在线网络技术(北京)有限公司 | 图像处理方法及装置 |
US10499072B2 (en) * | 2016-02-17 | 2019-12-03 | Mimax, Inc. | Macro cell display compression multi-head raster GPU |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5812791A (en) * | 1995-05-10 | 1998-09-22 | Cagent Technologies, Inc. | Multiple sequence MPEG decoder |
CN1222039A (zh) * | 1998-12-25 | 1999-07-07 | 国家科学技术委员会高技术研究发展中心 | 视频解码的数字信源解码器 |
US6178203B1 (en) * | 1997-04-03 | 2001-01-23 | Lsi Logic Corporation | Method and apparatus for two-row decoding of MPEG video |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2357829A1 (en) * | 1997-02-13 | 2011-08-17 | Mitsubishi Denki Kabushiki Kaisha | Moving picture prediction system |
JPH1169356A (ja) * | 1997-08-25 | 1999-03-09 | Mitsubishi Electric Corp | 動画像符号化方式及び動画像復号方式 |
JP3860323B2 (ja) * | 1997-10-27 | 2006-12-20 | 三菱電機株式会社 | 画像復号化装置、画像復号化方法 |
JP2000175199A (ja) * | 1998-12-04 | 2000-06-23 | Sony Corp | 画像処理装置及び方法、並びに提供媒体 |
JP2000175201A (ja) * | 1998-12-04 | 2000-06-23 | Sony Corp | 画像処理装置及び方法、並びに提供媒体 |
US6483874B1 (en) * | 1999-01-27 | 2002-11-19 | General Instrument Corporation | Efficient motion estimation for an arbitrarily-shaped object |
US6650705B1 (en) * | 2000-05-26 | 2003-11-18 | Mitsubishi Electric Research Laboratories Inc. | Method for encoding and transcoding multiple video objects with variable temporal resolution |
WO2002071736A2 (en) * | 2001-03-05 | 2002-09-12 | Intervideo, Inc. | Systems and methods of error resilience in a video decoder |
-
2005
- 2005-02-09 EP EP05702928A patent/EP1719346A1/en not_active Withdrawn
- 2005-02-09 US US10/590,249 patent/US20070171979A1/en not_active Abandoned
- 2005-02-09 JP JP2006553729A patent/JP2007524309A/ja active Pending
- 2005-02-09 WO PCT/IB2005/050506 patent/WO2005084032A1/en not_active Application Discontinuation
- 2005-02-09 CN CN200580005335.1A patent/CN1922884B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US5812791A (en) * | 1995-05-10 | 1998-09-22 | Cagent Technologies, Inc. | Multiple sequence MPEG decoder |
US6178203B1 (en) * | 1997-04-03 | 2001-01-23 | Lsi Logic Corporation | Method and apparatus for two-row decoding of MPEG video |
CN1222039A (zh) * | 1998-12-25 | 1999-07-07 | 国家科学技术委员会高技术研究发展中心 | 视频解码的数字信源解码器 |
Non-Patent Citations (5)
Title |
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Berekovic M ET AL.THE TANGRAM CO-PROCESSOR FOR MPEG-4 VISUALCOMPOSITING.1999 IEEE.1999,1999311-320. * |
Cucchiara R ET AL.Data-type Dependent Cache Prefetching for MPEGApplications.2002 IEEE.2002,2002115-122. * |
HAN CHEN ET AL.MEMORY PERFORMANCE OPTIMIZATIONSFORREAL-TIME SOFTWARE HDTV DECODING.ICME2002.2002,305-308. * |
Soderquist P ET AL.Memory Traffic and Data Cache Behavior of an MPEG-2Software Decoder.1997 IEEE.1997,1997417-422. * |
同上. |
Also Published As
Publication number | Publication date |
---|---|
JP2007524309A (ja) | 2007-08-23 |
WO2005084032A1 (en) | 2005-09-09 |
EP1719346A1 (en) | 2006-11-08 |
US20070171979A1 (en) | 2007-07-26 |
CN1922884A (zh) | 2007-02-28 |
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