DE69523550T2 - Einrichtung und Verfahren zur Quantisierung - Google Patents

Einrichtung und Verfahren zur Quantisierung

Info

Publication number
DE69523550T2
DE69523550T2 DE69523550T DE69523550T DE69523550T2 DE 69523550 T2 DE69523550 T2 DE 69523550T2 DE 69523550 T DE69523550 T DE 69523550T DE 69523550 T DE69523550 T DE 69523550T DE 69523550 T2 DE69523550 T2 DE 69523550T2
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
DE69523550T
Other languages
English (en)
Other versions
DE69523550D1 (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
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE69523550D1 publication Critical patent/DE69523550D1/de
Application granted granted Critical
Publication of DE69523550T2 publication Critical patent/DE69523550T2/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
    • H04N19/10—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
    • H04N19/124—Quantisation
    • 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
    • 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
DE69523550T 1994-12-29 1995-12-21 Einrichtung und Verfahren zur Quantisierung Expired - Lifetime DE69523550T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33855394 1994-12-29

Publications (2)

Publication Number Publication Date
DE69523550D1 DE69523550D1 (de) 2001-12-06
DE69523550T2 true DE69523550T2 (de) 2002-05-08

Family

ID=18319263

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69523550T Expired - Lifetime DE69523550T2 (de) 1994-12-29 1995-12-21 Einrichtung und Verfahren zur Quantisierung

Country Status (4)

Country Link
US (2) US5870434A (de)
EP (1) EP0720376B1 (de)
KR (1) KR100444931B1 (de)
DE (1) DE69523550T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69523550T2 (de) * 1994-12-29 2002-05-08 Sony Corp Einrichtung und Verfahren zur Quantisierung
US6381369B1 (en) 1996-07-17 2002-04-30 Sony Corporation Image coding apparatus, image coding method, image decoding method, image decoding apparatus, image data transmitting method and recording medium
AU718453B2 (en) * 1996-07-17 2000-04-13 Sony Corporation Image coding and decoding using mapping coefficients corresponding to class information of pixel blocks
TW359919B (en) 1996-07-17 1999-06-01 Sony Corp Image coding apparatus, image coding method, image decoding method, image decoding apparatus, image data transmitting method and recording medium
AU714554B2 (en) 1996-07-17 2000-01-06 Sony Corporation Image coding and decoding using mapping coefficients corresponding to class information of pixel blocks
US6292591B1 (en) 1996-07-17 2001-09-18 Sony Coporation Image coding and decoding using mapping coefficients corresponding to class information of pixel blocks
US6529551B1 (en) * 1996-12-10 2003-03-04 Thomson Licensing S.A. Data efficient quantization table for a digital video signal processor
JP3915855B2 (ja) 1997-12-19 2007-05-16 ソニー株式会社 画像符号化装置および画像符号化方法、並びに学習装置および学習方法
GB2351407B (en) 1999-06-21 2003-06-11 Sony Uk Ltd Video data compression
US6771694B1 (en) * 2000-07-12 2004-08-03 International Business Machines Corporation Speed negotiation for serial transceivers
KR100518849B1 (ko) * 2004-03-02 2005-09-30 엘지전자 주식회사 영상 압축 및 복원 방법
US9930469B2 (en) 2015-09-09 2018-03-27 Gibson Innovations Belgium N.V. System and method for enhancing virtual audio height perception

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0320511B1 (de) * 1987-06-22 1993-08-18 EASTMAN KODAK COMPANY (a New Jersey corporation) Blockadaptive prädiktionskodierung mit adaptiver verstärkung und vorspannung
CA1333420C (en) * 1988-02-29 1994-12-06 Tokumichi Murakami Vector quantizer
JP2586666B2 (ja) * 1990-01-16 1997-03-05 日本電気株式会社 予測復号化回路
JP2839339B2 (ja) * 1990-08-06 1998-12-16 松下電器産業株式会社 直交変換符号化装置および直交変換符号化方法
KR960010392B1 (ko) * 1990-09-29 1996-07-31 니뽕 빅터 가부시끼가이샤 적응 양자화를 이용한 화상 신호 부호화 복호화 장치
US5231484A (en) * 1991-11-08 1993-07-27 International Business Machines Corporation Motion video compression system with adaptive bit allocation and quantization
DE4308263B4 (de) * 1993-03-16 2006-03-02 Robert Bosch Gmbh Verfahren zur adaptiven Quantisierung in der digitalen Teilband-Codierung
JPH0799646A (ja) * 1993-05-31 1995-04-11 Sony Corp ディジタル画像信号の階層符号化および復号装置
JP2655063B2 (ja) * 1993-12-24 1997-09-17 日本電気株式会社 音声符号化装置
US5587708A (en) * 1994-01-19 1996-12-24 Industrial Technology Research Institute Division technique unified quantizer-dequantizer
DE69523550T2 (de) * 1994-12-29 2002-05-08 Sony Corp Einrichtung und Verfahren zur Quantisierung

Also Published As

Publication number Publication date
EP0720376A2 (de) 1996-07-03
US6072837A (en) 2000-06-06
KR100444931B1 (ko) 2004-11-08
DE69523550D1 (de) 2001-12-06
EP0720376A3 (de) 1998-04-15
US5870434A (en) 1999-02-09
EP0720376B1 (de) 2001-10-31

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Legal Events

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8320 Willingness to grant licences declared (paragraph 23)