DE69529888T2 - Einrichtung und Verfahren zur Quantisierung - Google Patents

Einrichtung und Verfahren zur Quantisierung

Info

Publication number
DE69529888T2
DE69529888T2 DE69529888T DE69529888T DE69529888T2 DE 69529888 T2 DE69529888 T2 DE 69529888T2 DE 69529888 T DE69529888 T DE 69529888T DE 69529888 T DE69529888 T DE 69529888T DE 69529888 T2 DE69529888 T2 DE 69529888T2
Authority
DE
Germany
Prior art keywords
quantization
setup
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
DE69529888T
Other languages
English (en)
Other versions
DE69529888D1 (de
Inventor
Tetsujiro Kondo
Yasuhiro Fujimori
Kenji Takahashi
Kunio Kawaguchi
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.)
Sony Corp
Original Assignee
Sony 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
Priority claimed from JP08467695A external-priority patent/JP3769770B2/ja
Priority claimed from JP09449695A external-priority patent/JP3341528B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69529888D1 publication Critical patent/DE69529888D1/de
Publication of DE69529888T2 publication Critical patent/DE69529888T2/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
    • H04N19/90—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
    • H04N19/98—Adaptive-dynamic-range coding [ADRC]
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
DE69529888T 1994-12-29 1995-12-21 Einrichtung und Verfahren zur Quantisierung Expired - Lifetime DE69529888T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP33855494 1994-12-29
JP2590495 1995-01-20
JP08467695A JP3769770B2 (ja) 1995-03-16 1995-03-16 量子化器および量子化方法
JP09449695A JP3341528B2 (ja) 1995-01-20 1995-03-28 量子化装置および量子化方法

Publications (2)

Publication Number Publication Date
DE69529888D1 DE69529888D1 (de) 2003-04-17
DE69529888T2 true DE69529888T2 (de) 2003-11-27

Family

ID=27458397

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69529888T Expired - Lifetime DE69529888T2 (de) 1994-12-29 1995-12-21 Einrichtung und Verfahren zur Quantisierung

Country Status (4)

Country Link
US (1) US5706009A (de)
EP (1) EP0720375B1 (de)
KR (1) KR100423226B1 (de)
DE (1) DE69529888T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5781238A (en) * 1995-07-28 1998-07-14 Sony Corporation Information signal encoding apparatus, encoding method thereof, information signal decoding method, and information signal record medium thereof
JP3687080B2 (ja) * 1996-07-17 2005-08-24 ソニー株式会社 画像符号化装置および画像符号化方法、画像復号化装置および画像復号化方法、並びに記録媒体
EP0963657B1 (de) 1997-02-25 2002-11-27 British Broadcasting Corporation Kompression von digitalen signalen mit verbesserter quantisierung
US6064324A (en) * 1997-06-18 2000-05-16 Nippon Telegraph And Telephone Corporation Digital signal encoding and decoding method and apparatus without transmitting information on quantization width
DE69940703D1 (de) * 1998-03-05 2009-05-20 Panasonic Corp Verfahren zur Bildkodierung, Verfahren zur Bildkodierung/-Dekodierung, Bildkodierer, oder Vorrichtung zur Bildaufzeichnung/-Wiedergabe
GB2351407B (en) * 1999-06-21 2003-06-11 Sony Uk Ltd Video data compression
EP1345331B1 (de) 2000-12-22 2008-08-20 Sony Corporation Codierer
KR100851970B1 (ko) * 2005-07-15 2008-08-12 삼성전자주식회사 오디오 신호의 중요주파수 성분 추출방법 및 장치와 이를이용한 저비트율 오디오 신호 부호화/복호화 방법 및 장치
WO2011142279A1 (ja) 2010-05-13 2011-11-17 シャープ株式会社 符号化装置、復号装置、およびデータ構造
US20220108488A1 (en) * 2020-10-07 2022-04-07 Qualcomm Incorporated Angular mode and in-tree quantization in geometry point cloud compression

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151550A (en) * 1977-07-07 1979-04-24 Communications Satellite Corporation DPCM Predictors for NTSC color composite TV signals using phase adjustment of sampling
JPS5474623A (en) * 1977-11-28 1979-06-14 Nippon Telegr & Teleph Corp <Ntt> Coding processing system for video signal
US4725885A (en) * 1986-12-22 1988-02-16 International Business Machines Corporation Adaptive graylevel image compression system
WO1988010544A1 (en) * 1987-06-22 1988-12-29 Eastman Kodak Company Block adaptive linear predictive coding with adaptive gain and bias
US4953019A (en) * 1987-11-27 1990-08-28 Canon Kabushiki Kaisha Image signal encoding apparatus
JPH0474063A (ja) * 1990-07-13 1992-03-09 Matsushita Electric Ind Co Ltd 画像の符号化方法
JPH06133284A (ja) * 1992-10-15 1994-05-13 Sony Corp エンコーダ及びデコーダ

Also Published As

Publication number Publication date
EP0720375A2 (de) 1996-07-03
KR100423226B1 (ko) 2004-06-30
EP0720375B1 (de) 2003-03-12
KR960028561A (ko) 1996-07-22
US5706009A (en) 1998-01-06
EP0720375A3 (de) 1998-05-06
DE69529888D1 (de) 2003-04-17

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Legal Events

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8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)