CA2077158C - Systeme de codage-decodage de signaux d'imagerie a variation temporelle - Google Patents

Systeme de codage-decodage de signaux d'imagerie a variation temporelle

Info

Publication number
CA2077158C
CA2077158C CA 2077158 CA2077158A CA2077158C CA 2077158 C CA2077158 C CA 2077158C CA 2077158 CA2077158 CA 2077158 CA 2077158 A CA2077158 A CA 2077158A CA 2077158 C CA2077158 C CA 2077158C
Authority
CA
Canada
Prior art keywords
signal
time
varying image
image signal
transform
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
CA 2077158
Other languages
English (en)
Other versions
CA2077158A1 (fr
Inventor
Toshio Koga
Masayuki Okajima
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of CA2077158A1 publication Critical patent/CA2077158A1/fr
Application granted granted Critical
Publication of CA2077158C publication Critical patent/CA2077158C/fr
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
    • H04N19/60—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
    • H04N19/60—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
    • H04N19/619—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding the transform being operated outside the prediction loop
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA 2077158 1991-08-28 1992-08-28 Systeme de codage-decodage de signaux d'imagerie a variation temporelle Expired - Fee Related CA2077158C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP215693/1991 1991-08-28
JP21569391 1991-08-28
JP215692/1991 1991-08-28
JP21569291 1991-08-28

Publications (2)

Publication Number Publication Date
CA2077158A1 CA2077158A1 (fr) 1993-03-01
CA2077158C true CA2077158C (fr) 1997-12-02

Family

ID=26520999

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2077158 Expired - Fee Related CA2077158C (fr) 1991-08-28 1992-08-28 Systeme de codage-decodage de signaux d'imagerie a variation temporelle

Country Status (3)

Country Link
JP (1) JP2867807B2 (fr)
CA (1) CA2077158C (fr)
GB (1) GB2259826B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2283876B (en) * 1993-11-09 1998-06-24 Matsushita Electric Industrial Co Ltd Encoding and decoding code sequences and frames
US5812198A (en) * 1994-05-30 1998-09-22 Ntt Mobile Communications Network, Inc. Video coding decoding apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0441168T3 (da) * 1990-02-06 1996-11-18 Alcatel Italia System, pakkestruktur og indretning til at behandle udgående information fra en signalindkoder

Also Published As

Publication number Publication date
JP2867807B2 (ja) 1999-03-10
GB2259826A (en) 1993-03-24
JPH05252506A (ja) 1993-09-28
GB2259826B (en) 1995-05-10
GB9218397D0 (en) 1992-10-14
CA2077158A1 (fr) 1993-03-01

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