DE69816971D1 - Videokodierer mit skalierungsabhängiger vlc (variable length code) kodierung - Google Patents
Videokodierer mit skalierungsabhängiger vlc (variable length code) kodierungInfo
- Publication number
- DE69816971D1 DE69816971D1 DE69816971T DE69816971T DE69816971D1 DE 69816971 D1 DE69816971 D1 DE 69816971D1 DE 69816971 T DE69816971 T DE 69816971T DE 69816971 T DE69816971 T DE 69816971T DE 69816971 D1 DE69816971 D1 DE 69816971D1
- Authority
- DE
- Germany
- Prior art keywords
- vlc
- encoding
- video encoder
- variable length
- length code
- 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
- H04N19/10—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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
- H04N19/90—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 (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3801897P | 1997-02-14 | 1997-02-14 | |
US38018P | 1997-02-14 | ||
US08/899,095 US5995148A (en) | 1997-02-14 | 1997-07-24 | Video coder having scalar dependent variable length coder |
US899095 | 1997-07-24 | ||
PCT/US1998/001320 WO1998036574A1 (en) | 1997-02-14 | 1998-01-23 | Video coder having scaler dependent variable length coder |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69816971D1 true DE69816971D1 (de) | 2003-09-11 |
DE69816971T2 DE69816971T2 (de) | 2004-07-22 |
Family
ID=26714722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69816971T Expired - Lifetime DE69816971T2 (de) | 1997-02-14 | 1998-01-23 | Videokodierer mit skalierungsabhängiger vlc (variable length code) kodierung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5995148A (de) |
EP (1) | EP0960530B1 (de) |
CA (1) | CA2278775C (de) |
DE (1) | DE69816971T2 (de) |
WO (1) | WO1998036574A1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7958532B2 (en) | 2001-06-18 | 2011-06-07 | At&T Intellectual Property Ii, L.P. | Method of transmitting layered video-coded information |
CN1946186B (zh) * | 2001-11-22 | 2012-02-22 | 松下电器产业株式会社 | 可变长度编码方法以及可变长度解码方法 |
KR100992246B1 (ko) * | 2001-11-22 | 2010-11-05 | 파나소닉 주식회사 | 부호화 방법 및 부호화 장치 |
PT1445869E (pt) * | 2002-03-27 | 2012-12-17 | Panasonic Corp | Descodificação de comprimento variável, suporte de armazenamento, dispositivo de codificação de comprimento variável, dispositivo de descodificação de comprimento variável, e fluxo de bits |
US7096245B2 (en) * | 2002-04-01 | 2006-08-22 | Broadcom Corporation | Inverse discrete cosine transform supporting multiple decoding processes |
EP1376379A3 (de) * | 2002-04-01 | 2004-08-11 | Broadcom Corporation | Vorrichtung und Verfahren zur Durchführung einer inversen diskreten Cosinus-Transformation für mehrere Dekodierungsprozesse |
JP4368575B2 (ja) * | 2002-04-19 | 2009-11-18 | パナソニック株式会社 | 可変長復号化方法、可変長復号化装置およびプログラム |
JP4090862B2 (ja) * | 2002-04-26 | 2008-05-28 | 松下電器産業株式会社 | 可変長符号化方法および可変長復号化方法 |
US7519229B2 (en) * | 2004-03-30 | 2009-04-14 | Apple, Inc. | Video coding system providing separate coding chains for dynamically selected small-size or full-size playback |
TW201128965A (en) | 2009-05-19 | 2011-08-16 | Nokia Corp | Method for coding and an apparatus |
JP2011024066A (ja) * | 2009-07-17 | 2011-02-03 | Sony Corp | 画像処理装置および方法 |
US8588297B2 (en) * | 2009-12-23 | 2013-11-19 | Oracle America, Inc. | Quantization parameter prediction |
US20120163471A1 (en) * | 2010-12-23 | 2012-06-28 | Qualcomm Incorporated | Variable length coding of video block coefficients |
US9490839B2 (en) | 2011-01-03 | 2016-11-08 | Qualcomm Incorporated | Variable length coding of video block coefficients |
US9516316B2 (en) | 2011-06-29 | 2016-12-06 | Qualcomm Incorporated | VLC coefficient coding for large chroma block |
US9338456B2 (en) | 2011-07-11 | 2016-05-10 | Qualcomm Incorporated | Coding syntax elements using VLC codewords |
JP6986868B2 (ja) * | 2017-06-19 | 2021-12-22 | キヤノン株式会社 | 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法、プログラム |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02237368A (ja) * | 1989-03-10 | 1990-09-19 | Sharp Corp | 画像通信端末装置 |
GB2268667B (en) * | 1992-06-24 | 1995-11-08 | Sony Broadcast & Communication | Serial data decoding |
JP3348310B2 (ja) * | 1992-09-28 | 2002-11-20 | ソニー株式会社 | 動画像符号化方法および動画像符号化装置 |
US5982437A (en) * | 1992-10-26 | 1999-11-09 | Sony Corporation | Coding method and system, and decoding method and system |
KR0129558B1 (ko) * | 1992-10-26 | 1998-04-10 | 배순훈 | 적응적 가변길이 부호화 방법 및 장치 |
US5493513A (en) * | 1993-11-24 | 1996-02-20 | Intel Corporation | Process, apparatus and system for encoding video signals using motion estimation |
JP3163880B2 (ja) * | 1993-12-16 | 2001-05-08 | 松下電器産業株式会社 | 画像圧縮符号化装置 |
KR970009408B1 (ko) * | 1994-01-18 | 1997-06-13 | 대우전자 주식회사 | 인터/인트라 테이블 선택 회로 |
KR100213015B1 (ko) * | 1994-03-31 | 1999-08-02 | 윤종용 | 양자화 방법 및 회로 |
-
1997
- 1997-07-24 US US08/899,095 patent/US5995148A/en not_active Expired - Lifetime
-
1998
- 1998-01-23 WO PCT/US1998/001320 patent/WO1998036574A1/en active IP Right Grant
- 1998-01-23 CA CA002278775A patent/CA2278775C/en not_active Expired - Fee Related
- 1998-01-23 EP EP98903679A patent/EP0960530B1/de not_active Expired - Lifetime
- 1998-01-23 DE DE69816971T patent/DE69816971T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2278775A1 (en) | 1998-08-20 |
CA2278775C (en) | 2003-04-01 |
EP0960530A1 (de) | 1999-12-01 |
EP0960530B1 (de) | 2003-08-06 |
DE69816971T2 (de) | 2004-07-22 |
WO1998036574A1 (en) | 1998-08-20 |
US5995148A (en) | 1999-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |