DE69811394D1 - Adaptive entropie-kodierung im rahmen adaptiver quantisierung für videosignalkodiersysteme und -verfahren - Google Patents

Adaptive entropie-kodierung im rahmen adaptiver quantisierung für videosignalkodiersysteme und -verfahren

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Publication number
DE69811394D1
DE69811394D1 DE69811394T DE69811394T DE69811394D1 DE 69811394 D1 DE69811394 D1 DE 69811394D1 DE 69811394 T DE69811394 T DE 69811394T DE 69811394 T DE69811394 T DE 69811394T DE 69811394 D1 DE69811394 D1 DE 69811394D1
Authority
DE
Germany
Prior art keywords
quantizer
entropy coding
video signal
adaptive
methods
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 - Fee Related
Application number
DE69811394T
Other languages
English (en)
Other versions
DE69811394T2 (de
Inventor
Anurag Bist
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.)
Conexant Systems LLC
Original Assignee
Conexant Systems LLC
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 US08/980,654 external-priority patent/US6111914A/en
Application filed by Conexant Systems LLC filed Critical Conexant Systems LLC
Publication of DE69811394D1 publication Critical patent/DE69811394D1/de
Application granted granted Critical
Publication of DE69811394T2 publication Critical patent/DE69811394T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N19/102—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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/10—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
    • H04N19/10—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
DE69811394T 1997-12-01 1998-11-25 Adaptive entropie-kodierung im rahmen adaptiver quantisierung für videosignalkodiersysteme und -verfahren Expired - Fee Related DE69811394T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/980,654 US6111914A (en) 1997-12-01 1997-12-01 Adaptive entropy coding in adaptive quantization framework for video signal coding systems and processes
US09/198,742 US6118822A (en) 1997-12-01 1998-11-24 Adaptive entropy coding in adaptive quantization framework for video signal coding systems and processes
PCT/US1998/025155 WO1999029115A1 (en) 1997-12-01 1998-11-25 Adaptive entropy coding in adaptive quantization framework for video signal coding systems and processes

Publications (2)

Publication Number Publication Date
DE69811394D1 true DE69811394D1 (de) 2003-03-20
DE69811394T2 DE69811394T2 (de) 2003-11-20

Family

ID=26894110

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69811394T Expired - Fee Related DE69811394T2 (de) 1997-12-01 1998-11-25 Adaptive entropie-kodierung im rahmen adaptiver quantisierung für videosignalkodiersysteme und -verfahren

Country Status (7)

Country Link
US (2) US6118822A (de)
EP (1) EP1033036B1 (de)
JP (1) JP2001525639A (de)
AT (1) ATE232672T1 (de)
AU (1) AU1605299A (de)
DE (1) DE69811394T2 (de)
WO (1) WO1999029115A1 (de)

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Also Published As

Publication number Publication date
US6249546B1 (en) 2001-06-19
AU1605299A (en) 1999-06-16
EP1033036A1 (de) 2000-09-06
JP2001525639A (ja) 2001-12-11
WO1999029115A1 (en) 1999-06-10
DE69811394T2 (de) 2003-11-20
US6118822A (en) 2000-09-12
ATE232672T1 (de) 2003-02-15
EP1033036B1 (de) 2003-02-12

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