DK1487113T3 - Kodning og afkodning af transformationskoefficienter i billede- eller videokodere - Google Patents

Kodning og afkodning af transformationskoefficienter i billede- eller videokodere

Info

Publication number
DK1487113T3
DK1487113T3 DK04020471T DK04020471T DK1487113T3 DK 1487113 T3 DK1487113 T3 DK 1487113T3 DK 04020471 T DK04020471 T DK 04020471T DK 04020471 T DK04020471 T DK 04020471T DK 1487113 T3 DK1487113 T3 DK 1487113T3
Authority
DK
Denmark
Prior art keywords
block
present
significant
transformation coefficients
coefficient
Prior art date
Application number
DK04020471T
Other languages
Danish (da)
English (en)
Inventor
Heiko Schwarz
Detlef Marpe
Thomas Wiegand
Original Assignee
Fraunhofer Ges Forschung
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.)
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=29285282&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK1487113(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of DK1487113T3 publication Critical patent/DK1487113T3/da

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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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • 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
    • H04N19/93—Run-length coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
DK04020471T 2002-05-02 2003-05-02 Kodning og afkodning af transformationskoefficienter i billede- eller videokodere DK1487113T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10220961 2002-05-02
PCT/EP2003/004656 WO2003094529A2 (fr) 2002-05-02 2003-05-02 Procede et ensemble pour coder des coefficients de transformation dans des codeurs d'image et/ou video et des decodeurs d'image et/ou video, programme informatique correspondant et support de memorisation correspondant lisible sur ordinateur

Publications (1)

Publication Number Publication Date
DK1487113T3 true DK1487113T3 (da) 2006-11-20

Family

ID=29285282

Family Applications (2)

Application Number Title Priority Date Filing Date
DK04020471T DK1487113T3 (da) 2002-05-02 2003-05-02 Kodning og afkodning af transformationskoefficienter i billede- eller videokodere
DK04016773T DK1467491T3 (da) 2002-05-02 2003-05-02 Arithmetical coding of transform coefficients

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK04016773T DK1467491T3 (da) 2002-05-02 2003-05-02 Arithmetical coding of transform coefficients

Country Status (11)

Country Link
US (10) US7702013B2 (fr)
EP (3) EP1487113B1 (fr)
JP (4) JP4313757B2 (fr)
KR (1) KR100729270B1 (fr)
AT (2) ATE343302T1 (fr)
DE (2) DE50306371D1 (fr)
DK (2) DK1487113T3 (fr)
ES (2) ES2270246T3 (fr)
HK (2) HK1070480A1 (fr)
PT (2) PT1467491E (fr)
WO (1) WO2003094529A2 (fr)

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ATE352826T1 (de) 2007-02-15
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US9450608B2 (en) 2016-09-20
PT1467491E (pt) 2007-03-30
US20160277765A1 (en) 2016-09-22
JP4057595B2 (ja) 2008-03-05
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JP4295356B1 (ja) 2009-07-15
HK1070992A1 (en) 2005-06-30
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US7702013B2 (en) 2010-04-20
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