DE69816971D1 - Videokodierer mit skalierungsabhängiger vlc (variable length code) kodierung - Google Patents

Videokodierer mit skalierungsabhängiger vlc (variable length code) kodierung

Info

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
Application number
DE69816971T
Other languages
English (en)
Other versions
DE69816971T2 (de
Inventor
Geoffry Haskell
Atul Puri
Lewis Schmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AT&T Corp filed Critical AT&T Corp
Publication of DE69816971D1 publication Critical patent/DE69816971D1/de
Application granted granted Critical
Publication of DE69816971T2 publication Critical patent/DE69816971T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE69816971T 1997-02-14 1998-01-23 Videokodierer mit skalierungsabhängiger vlc (variable length code) kodierung Expired - Lifetime DE69816971T2 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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