CN1225128C - 直接编码模式下确定参考图像块的方法 - Google Patents
直接编码模式下确定参考图像块的方法 Download PDFInfo
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- CN1225128C CN1225128C CNB2003101160902A CN200310116090A CN1225128C CN 1225128 C CN1225128 C CN 1225128C CN B2003101160902 A CNB2003101160902 A CN B2003101160902A CN 200310116090 A CN200310116090 A CN 200310116090A CN 1225128 C CN1225128 C CN 1225128C
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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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
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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
- H04N19/102—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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Description
Claims (6)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101160902A CN1225128C (zh) | 2003-12-31 | 2003-12-31 | 直接编码模式下确定参考图像块的方法 |
JP2006545882A JP4670085B2 (ja) | 2003-12-31 | 2004-07-08 | 直接符号化モードでの参照画像ブロックの確定方法 |
US10/584,777 US7974344B2 (en) | 2003-12-31 | 2004-07-08 | Method for obtaining image reference block in a code of mode of fixed reference frame number |
KR20067010567A KR100822928B1 (ko) | 2003-12-31 | 2004-07-08 | 직접 부호화 모드에서의 참조 이미지 블럭을 추정하는 방법 |
PCT/CN2004/000770 WO2005067298A1 (en) | 2003-12-31 | 2004-07-08 | The method of determining the reference block in direct coding mode |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101160902A CN1225128C (zh) | 2003-12-31 | 2003-12-31 | 直接编码模式下确定参考图像块的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1535026A CN1535026A (zh) | 2004-10-06 |
CN1225128C true CN1225128C (zh) | 2005-10-26 |
Family
ID=34304834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101160902A Expired - Fee Related CN1225128C (zh) | 2003-12-31 | 2003-12-31 | 直接编码模式下确定参考图像块的方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7974344B2 (zh) |
JP (1) | JP4670085B2 (zh) |
KR (1) | KR100822928B1 (zh) |
CN (1) | CN1225128C (zh) |
WO (1) | WO2005067298A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070064809A1 (en) * | 2005-09-14 | 2007-03-22 | Tsuyoshi Watanabe | Coding method for coding moving images |
JP2009094828A (ja) * | 2007-10-10 | 2009-04-30 | Hitachi Ltd | 画像符号化装置及び画像符号化方法、画像復号化装置及び画像復号化方法 |
US9288501B2 (en) | 2011-03-08 | 2016-03-15 | Qualcomm Incorporated | Motion vector predictors (MVPs) for bi-predictive inter mode in video coding |
US20140119446A1 (en) * | 2012-11-01 | 2014-05-01 | Microsoft Corporation | Preserving rounding errors in video coding |
CN103024397B (zh) * | 2013-01-07 | 2015-07-08 | 华为技术有限公司 | 确定时域运动矢量预测值的方法和装置 |
CN116418992A (zh) | 2018-08-26 | 2023-07-11 | 北京字节跳动网络技术有限公司 | 组合的基于历史的运动矢量预测符和多运动模型解码 |
CN110650348A (zh) * | 2018-10-03 | 2020-01-03 | 北京达佳互联信息技术有限公司 | 运动矢量的推导方法和编码方法、装置、设备及介质 |
CN114365490B (zh) | 2019-09-09 | 2024-06-18 | 北京字节跳动网络技术有限公司 | 高精度图像和视频编解码的系数缩放 |
CN114731392A (zh) | 2019-09-21 | 2022-07-08 | 北京字节跳动网络技术有限公司 | 用于图像和视频编解码的高精度变换和量化 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001033864A1 (en) * | 1999-10-29 | 2001-05-10 | Koninklijke Philips Electronics N.V. | Video encoding-method |
CN1449197A (zh) | 2002-03-29 | 2003-10-15 | Lg电子株式会社 | 视频编码***中的b图象模式确定方法与装置 |
KR100508798B1 (ko) | 2002-04-09 | 2005-08-19 | 엘지전자 주식회사 | 쌍방향 예측 블록 예측 방법 |
PT3525467T (pt) * | 2002-04-19 | 2021-04-08 | Panasonic Ip Corp America | Método e aparelho de descodificação de fluxo de bits |
JP2004007563A (ja) * | 2002-04-19 | 2004-01-08 | Matsushita Electric Ind Co Ltd | 動画像符号化方法および動画像復号化方法 |
JP2004088737A (ja) * | 2002-07-02 | 2004-03-18 | Matsushita Electric Ind Co Ltd | 画像符号化方法および画像復号化方法 |
JP2004040512A (ja) * | 2002-07-03 | 2004-02-05 | Matsushita Electric Ind Co Ltd | 画像符号化方法および画像復号方法 |
KR100506864B1 (ko) * | 2002-10-04 | 2005-08-05 | 엘지전자 주식회사 | 모션벡터 결정방법 |
-
2003
- 2003-12-31 CN CNB2003101160902A patent/CN1225128C/zh not_active Expired - Fee Related
-
2004
- 2004-07-08 US US10/584,777 patent/US7974344B2/en active Active
- 2004-07-08 JP JP2006545882A patent/JP4670085B2/ja not_active Expired - Lifetime
- 2004-07-08 KR KR20067010567A patent/KR100822928B1/ko active IP Right Grant
- 2004-07-08 WO PCT/CN2004/000770 patent/WO2005067298A1/zh active Application Filing
Also Published As
Publication number | Publication date |
---|---|
KR100822928B1 (ko) | 2008-04-16 |
JP2007517437A (ja) | 2007-06-28 |
US20090304083A1 (en) | 2009-12-10 |
WO2005067298A1 (en) | 2005-07-21 |
US7974344B2 (en) | 2011-07-05 |
JP4670085B2 (ja) | 2011-04-13 |
CN1535026A (zh) | 2004-10-06 |
KR20060126974A (ko) | 2006-12-11 |
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C06 | Publication | ||
PB01 | Publication | ||
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: UNITED XINYUAN DIGITAL AUDIO-VIDEO TECHNOLOGY (BE Free format text: FORMER OWNER: INST. OF COMPUTING TECHN. ACADEMIA SINICA Effective date: 20080411 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20080411 Address after: Beijing city Haidian District East Road No. 1 Yingchuang power building block A room 701 Patentee after: UNITED XINYUAN DIGITAL AUDIO V Address before: Joint laboratory, South Gate graduate building, Institute of physics, Chinese Academy of Sciences, 8 South Avenue, Beijing, Haidian District, Zhongguancun Patentee before: Institute of Computing Technology, Chinese Academy of Sciences |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051026 Termination date: 20211231 |
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CF01 | Termination of patent right due to non-payment of annual fee |