DE69232824T2 - Dekoder - Google Patents
DekoderInfo
- Publication number
- DE69232824T2 DE69232824T2 DE69232824T DE69232824T DE69232824T2 DE 69232824 T2 DE69232824 T2 DE 69232824T2 DE 69232824 T DE69232824 T DE 69232824T DE 69232824 T DE69232824 T DE 69232824T DE 69232824 T2 DE69232824 T2 DE 69232824T2
- Authority
- DE
- Germany
- Prior art keywords
- decoder
- 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.)
- Expired - Lifetime
Links
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
- H04N19/50—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
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
-
- 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
-
- 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
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3194576A JPH0541862A (ja) | 1991-08-03 | 1991-08-03 | 動きベクトルの可変長符号化方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69232824D1 DE69232824D1 (de) | 2002-11-21 |
DE69232824T2 true DE69232824T2 (de) | 2003-08-07 |
Family
ID=16326838
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69229153T Expired - Lifetime DE69229153T2 (de) | 1991-08-03 | 1992-07-28 | Gerät und Verfahren zur variablen Längenkodierung für einen Bewegungsvektor |
DE69232597T Expired - Lifetime DE69232597T2 (de) | 1991-08-03 | 1992-07-28 | Kodierungsverfahren |
DE69232824T Expired - Lifetime DE69232824T2 (de) | 1991-08-03 | 1992-07-28 | Dekoder |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69229153T Expired - Lifetime DE69229153T2 (de) | 1991-08-03 | 1992-07-28 | Gerät und Verfahren zur variablen Längenkodierung für einen Bewegungsvektor |
DE69232597T Expired - Lifetime DE69232597T2 (de) | 1991-08-03 | 1992-07-28 | Kodierungsverfahren |
Country Status (5)
Country | Link |
---|---|
US (1) | US5298991A (de) |
EP (5) | EP0527011B1 (de) |
JP (4) | JPH0541862A (de) |
DE (3) | DE69229153T2 (de) |
HK (3) | HK1013570A1 (de) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5428396A (en) * | 1991-08-03 | 1995-06-27 | Sony Corporation | Variable length coding/decoding method for motion vectors |
JP3025827B2 (ja) * | 1993-09-14 | 2000-03-27 | 松下電器産業株式会社 | 可変長コード化装置 |
GB2287602B (en) * | 1994-03-16 | 1998-06-03 | Hyundai Electronics Ind | Motion vector decoding apparatus and method |
JP3552811B2 (ja) * | 1995-09-29 | 2004-08-11 | 三菱電機株式会社 | ディジタル映像信号符号化装置および復号化装置 |
US6904174B1 (en) * | 1998-12-11 | 2005-06-07 | Intel Corporation | Simplified predictive video encoder |
US7046734B2 (en) * | 1998-04-02 | 2006-05-16 | Intel Corporation | Method and apparatus for performing real-time data encoding |
US7263127B1 (en) | 1998-04-02 | 2007-08-28 | Intel Corporation | Method and apparatus for simplifying frame-based motion estimation |
US6983018B1 (en) | 1998-11-30 | 2006-01-03 | Microsoft Corporation | Efficient motion vector coding for video compression |
JP3681342B2 (ja) | 2000-05-24 | 2005-08-10 | 三星電子株式会社 | 映像コーディング方法 |
US7003035B2 (en) * | 2002-01-25 | 2006-02-21 | Microsoft Corporation | Video coding methods and apparatuses |
US7620109B2 (en) * | 2002-04-10 | 2009-11-17 | Microsoft Corporation | Sub-pixel interpolation in motion estimation and compensation |
US7305034B2 (en) * | 2002-04-10 | 2007-12-04 | Microsoft Corporation | Rounding control for multi-stage interpolation |
US20040001546A1 (en) | 2002-06-03 | 2004-01-01 | Alexandros Tourapis | Spatiotemporal prediction for bidirectionally predictive (B) pictures and motion vector prediction for multi-picture reference motion compensation |
US7280700B2 (en) * | 2002-07-05 | 2007-10-09 | Microsoft Corporation | Optimization techniques for data compression |
US7154952B2 (en) * | 2002-07-19 | 2006-12-26 | Microsoft Corporation | Timestamp-independent motion vector prediction for predictive (P) and bidirectionally predictive (B) pictures |
US7212681B1 (en) * | 2003-01-15 | 2007-05-01 | Cisco Technology, Inc. | Extension of two-dimensional variable length coding for image compression |
US7194137B2 (en) * | 2003-05-16 | 2007-03-20 | Cisco Technology, Inc. | Variable length coding method and apparatus for video compression |
US7738554B2 (en) | 2003-07-18 | 2010-06-15 | Microsoft Corporation | DC coefficient signaling at small quantization step sizes |
US20050013498A1 (en) | 2003-07-18 | 2005-01-20 | Microsoft Corporation | Coding of motion vector information |
US7426308B2 (en) * | 2003-07-18 | 2008-09-16 | Microsoft Corporation | Intraframe and interframe interlace coding and decoding |
US10554985B2 (en) | 2003-07-18 | 2020-02-04 | Microsoft Technology Licensing, Llc | DC coefficient signaling at small quantization step sizes |
US7499495B2 (en) * | 2003-07-18 | 2009-03-03 | Microsoft Corporation | Extended range motion vectors |
US7623574B2 (en) | 2003-09-07 | 2009-11-24 | Microsoft Corporation | Selecting between dominant and non-dominant motion vector predictor polarities |
US7620106B2 (en) | 2003-09-07 | 2009-11-17 | Microsoft Corporation | Joint coding and decoding of a reference field selection and differential motion vector information |
US7317839B2 (en) * | 2003-09-07 | 2008-01-08 | Microsoft Corporation | Chroma motion vector derivation for interlaced forward-predicted fields |
US7599438B2 (en) * | 2003-09-07 | 2009-10-06 | Microsoft Corporation | Motion vector block pattern coding and decoding |
US7567617B2 (en) * | 2003-09-07 | 2009-07-28 | Microsoft Corporation | Predicting motion vectors for fields of forward-predicted interlaced video frames |
US7577200B2 (en) | 2003-09-07 | 2009-08-18 | Microsoft Corporation | Extended range variable length coding/decoding of differential motion vector information |
US8064520B2 (en) * | 2003-09-07 | 2011-11-22 | Microsoft Corporation | Advanced bi-directional predictive coding of interlaced video |
US7724827B2 (en) * | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
US7616692B2 (en) | 2003-09-07 | 2009-11-10 | Microsoft Corporation | Hybrid motion vector prediction for interlaced forward-predicted fields |
US7454073B2 (en) * | 2004-06-15 | 2008-11-18 | Cisco Technology, Inc. | Video compression using multiple variable length coding processes for multiple classes of transform coefficient blocks |
US7471841B2 (en) * | 2004-06-15 | 2008-12-30 | Cisco Technology, Inc. | Adaptive breakpoint for hybrid variable length coding |
US7471840B2 (en) * | 2004-08-18 | 2008-12-30 | Cisco Technology, Inc. | Two-dimensional variable length coding of runs of zero and non-zero transform coefficients for image compression |
US7492956B2 (en) * | 2004-08-18 | 2009-02-17 | Cisco Technology, Inc. | Video coding using multi-dimensional amplitude coding and 2-D non-zero/zero cluster position coding |
US7499596B2 (en) | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Amplitude coding for clustered transform coefficients |
US7499595B2 (en) * | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Joint amplitude and position coding for photographic image and video coding |
US7454076B2 (en) * | 2004-06-15 | 2008-11-18 | Cisco Technology, Inc. | Hybrid variable length coding method for low bit rate video coding |
JPWO2006011197A1 (ja) * | 2004-07-27 | 2008-05-01 | 三菱電機株式会社 | 符号化データ再符号化装置及びその復号装置並びにプログラム |
US7620258B2 (en) * | 2004-08-18 | 2009-11-17 | Cisco Technology, Inc. | Extended amplitude coding for clustered transform coefficients |
US7680349B2 (en) * | 2004-08-18 | 2010-03-16 | Cisco Technology, Inc. | Variable length coding for clustered transform coefficients in video compression |
US8295343B2 (en) * | 2005-11-18 | 2012-10-23 | Apple Inc. | Video bit rate control method |
US8233535B2 (en) | 2005-11-18 | 2012-07-31 | Apple Inc. | Region-based processing of predicted pixels |
US8780997B2 (en) | 2005-11-18 | 2014-07-15 | Apple Inc. | Regulation of decode-side processing based on perceptual masking |
US20070116117A1 (en) * | 2005-11-18 | 2007-05-24 | Apple Computer, Inc. | Controlling buffer states in video compression coding to enable editing and distributed encoding |
US8031777B2 (en) | 2005-11-18 | 2011-10-04 | Apple Inc. | Multipass video encoding and rate control using subsampling of frames |
US7242328B1 (en) | 2006-02-03 | 2007-07-10 | Cisco Technology, Inc. | Variable length coding for sparse coefficients |
US8254455B2 (en) * | 2007-06-30 | 2012-08-28 | Microsoft Corporation | Computing collocated macroblock information for direct mode macroblocks |
US8189666B2 (en) | 2009-02-02 | 2012-05-29 | Microsoft Corporation | Local picture identifier and computation of co-located information |
WO2011004029A2 (en) * | 2009-07-09 | 2011-01-13 | Tomtom International Bv | Navigation devices |
US9942560B2 (en) | 2014-01-08 | 2018-04-10 | Microsoft Technology Licensing, Llc | Encoding screen capture data |
US9749642B2 (en) | 2014-01-08 | 2017-08-29 | Microsoft Technology Licensing, Llc | Selection of motion vector precision |
US9774881B2 (en) | 2014-01-08 | 2017-09-26 | Microsoft Technology Licensing, Llc | Representing motion vectors in an encoded bitstream |
CN113039796B (zh) | 2018-11-17 | 2023-09-19 | 北京字节跳动网络技术有限公司 | 视频处理中的广义双向预测模式 |
CN113196747B (zh) | 2018-12-21 | 2023-04-14 | 北京字节跳动网络技术有限公司 | 当前图片参考模式下的信息信令通知 |
WO2020125754A1 (en) | 2018-12-21 | 2020-06-25 | Beijing Bytedance Network Technology Co., Ltd. | Motion vector derivation using higher bit-depth precision |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06101841B2 (ja) * | 1984-01-11 | 1994-12-12 | 日本電気株式会社 | 動画像信号の符号化方法およびその装置 |
AU579550B2 (en) * | 1985-06-10 | 1988-11-24 | Nec Corporation | Movement compensation predictive encoder for a moving picture signal with a reduced amount of information |
ATE108587T1 (de) * | 1986-09-13 | 1994-07-15 | Philips Nv | Verfahren und schaltungsanordung zur bitratenreduktion. |
CA1296430C (en) * | 1986-11-10 | 1992-02-25 | Masahide Kaneko | Encoding system capable of accomplishing a high efficiency by anterior and/or posterior processing to quantization |
US4816914A (en) * | 1987-01-07 | 1989-03-28 | Pictel Corporation | Method and apparatus for efficiently encoding and decoding image sequences |
US4995059A (en) * | 1988-01-14 | 1991-02-19 | Canon Kabushiki Kaisha | Predictive coding device |
US4954892A (en) * | 1989-02-14 | 1990-09-04 | Mitsubishi Denki Kabushiki Kaisha | Buffer controlled picture signal encoding and decoding system |
EP0419752B1 (de) * | 1989-09-25 | 1995-05-10 | Rai Radiotelevisione Italiana | Umfassendes System zur Codierung und Übertragung von Videosignalen mit Bewegungsvektoren |
-
1991
- 1991-08-03 JP JP3194576A patent/JPH0541862A/ja active Pending
-
1992
- 1992-07-24 US US07/918,010 patent/US5298991A/en not_active Expired - Lifetime
- 1992-07-28 EP EP92306852A patent/EP0527011B1/de not_active Expired - Lifetime
- 1992-07-28 EP EP00109705A patent/EP1032210B1/de not_active Expired - Lifetime
- 1992-07-28 DE DE69229153T patent/DE69229153T2/de not_active Expired - Lifetime
- 1992-07-28 EP EP98203272A patent/EP0891090B1/de not_active Expired - Lifetime
- 1992-07-28 DE DE69232597T patent/DE69232597T2/de not_active Expired - Lifetime
- 1992-07-28 DE DE69232824T patent/DE69232824T2/de not_active Expired - Lifetime
- 1992-07-28 EP EP00109706A patent/EP1028592B1/de not_active Expired - Lifetime
- 1992-07-28 EP EP98203273A patent/EP0891091B1/de not_active Expired - Lifetime
-
1998
- 1998-08-03 JP JP10219458A patent/JPH11112995A/ja active Pending
- 1998-08-03 JP JP10219460A patent/JPH11113004A/ja active Pending
- 1998-08-03 JP JP10219459A patent/JPH11112996A/ja active Pending
- 1998-12-22 HK HK98114863A patent/HK1013570A1/xx not_active IP Right Cessation
-
2001
- 2001-02-12 HK HK01101007A patent/HK1030123A1/xx not_active IP Right Cessation
- 2001-02-20 HK HK01101198A patent/HK1030322A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0891090B1 (de) | 2002-10-16 |
JPH11112995A (ja) | 1999-04-23 |
JPH11113004A (ja) | 1999-04-23 |
JPH11112996A (ja) | 1999-04-23 |
EP0891091A3 (de) | 1999-01-27 |
EP1032210B1 (de) | 2003-02-26 |
EP0527011A3 (en) | 1994-07-27 |
US5298991A (en) | 1994-03-29 |
HK1013570A1 (en) | 1999-08-27 |
DE69229153D1 (de) | 1999-06-17 |
JPH0541862A (ja) | 1993-02-19 |
HK1030322A1 (en) | 2001-04-27 |
EP0891090A2 (de) | 1999-01-13 |
DE69232597D1 (de) | 2002-06-06 |
EP1028592A1 (de) | 2000-08-16 |
DE69229153T2 (de) | 1999-11-25 |
HK1030123A1 (en) | 2001-04-20 |
EP1032210A1 (de) | 2000-08-30 |
DE69232824D1 (de) | 2002-11-21 |
EP0891091A2 (de) | 1999-01-13 |
DE69232597T2 (de) | 2002-12-05 |
EP0891090A3 (de) | 1999-01-20 |
EP0527011B1 (de) | 1999-05-12 |
EP0527011A2 (de) | 1993-02-10 |
EP0891091B1 (de) | 2002-05-02 |
EP1028592B1 (de) | 2004-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R071 | Expiry of right |
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