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DE69425047D1 - Adaptives variables längenkodierungs- und -dekodierungsverfahren für bilddaten - Google Patents

Adaptives variables längenkodierungs- und -dekodierungsverfahren für bilddaten

Info

Publication number
DE69425047D1
DE69425047D1 DE69425047T DE69425047T DE69425047D1 DE 69425047 D1 DE69425047 D1 DE 69425047D1 DE 69425047 T DE69425047 T DE 69425047T DE 69425047 T DE69425047 T DE 69425047T DE 69425047 D1 DE69425047 D1 DE 69425047D1
Authority
DE
Germany
Prior art keywords
image data
variable length
decoding method
length encoding
adaptive variable
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
DE69425047T
Other languages
English (en)
Other versions
DE69425047T2 (de
Inventor
Moon Jo
Chang Jeong
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE69425047D1 publication Critical patent/DE69425047D1/de
Application granted granted Critical
Publication of DE69425047T2 publication Critical patent/DE69425047T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • 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
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69425047T 1993-12-16 1994-12-16 Adaptives variables längenkodierungs- und -dekodierungsverfahren für bilddaten Expired - Lifetime DE69425047T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR930028074 1993-12-16
KR1019940034497A KR0155784B1 (ko) 1993-12-16 1994-12-15 영상데이타의 적응형 가변장 부호화/복호화방법
PCT/KR1994/000177 WO1995017073A1 (en) 1993-12-16 1994-12-16 Adaptive variable-length coding and decoding methods for image data

Publications (2)

Publication Number Publication Date
DE69425047D1 true DE69425047D1 (de) 2000-08-03
DE69425047T2 DE69425047T2 (de) 2000-10-26

Family

ID=39358031

Family Applications (6)

Application Number Title Priority Date Filing Date
DE69425047T Expired - Lifetime DE69425047T2 (de) 1993-12-16 1994-12-16 Adaptives variables längenkodierungs- und -dekodierungsverfahren für bilddaten
DE1994634668 Expired - Lifetime DE69434668T2 (de) 1993-12-16 1994-12-16 Adaptives Codierungs- und Decodierungsverfahren mit variabler Länge für Bilddaten
DE1994634369 Expired - Lifetime DE69434369T2 (de) 1993-12-16 1994-12-16 Adaptives variables Längendekodierungsverfahren für Videodaten
DE1994634667 Expired - Lifetime DE69434667T2 (de) 1993-12-16 1994-12-16 Adaptives codierungs-decodierungsverfahren mit variabler länge für bilddaten
DE1994634271 Expired - Lifetime DE69434271D1 (de) 1993-12-16 1994-12-16 Adaptives variables Längenkodierungsverfahren für Videodaten
DE1994634271 Expired - Lifetime DE69434271T4 (de) 1993-12-16 1994-12-16 Adaptives variables Längenkodierungsverfahren für Videodaten

Family Applications After (5)

Application Number Title Priority Date Filing Date
DE1994634668 Expired - Lifetime DE69434668T2 (de) 1993-12-16 1994-12-16 Adaptives Codierungs- und Decodierungsverfahren mit variabler Länge für Bilddaten
DE1994634369 Expired - Lifetime DE69434369T2 (de) 1993-12-16 1994-12-16 Adaptives variables Längendekodierungsverfahren für Videodaten
DE1994634667 Expired - Lifetime DE69434667T2 (de) 1993-12-16 1994-12-16 Adaptives codierungs-decodierungsverfahren mit variabler länge für bilddaten
DE1994634271 Expired - Lifetime DE69434271D1 (de) 1993-12-16 1994-12-16 Adaptives variables Längenkodierungsverfahren für Videodaten
DE1994634271 Expired - Lifetime DE69434271T4 (de) 1993-12-16 1994-12-16 Adaptives variables Längenkodierungsverfahren für Videodaten

Country Status (8)

Country Link
US (12) USRE40783E1 (de)
EP (13) EP0987900B1 (de)
JP (1) JP2898757B2 (de)
KR (1) KR0155784B1 (de)
CN (6) CN100355289C (de)
DE (6) DE69425047T2 (de)
HK (5) HK1033507A1 (de)
WO (1) WO1995017073A1 (de)

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