FR2621146A1 - Systeme de codage d'image - Google Patents

Systeme de codage d'image Download PDF

Info

Publication number
FR2621146A1
FR2621146A1 FR8812454A FR8812454A FR2621146A1 FR 2621146 A1 FR2621146 A1 FR 2621146A1 FR 8812454 A FR8812454 A FR 8812454A FR 8812454 A FR8812454 A FR 8812454A FR 2621146 A1 FR2621146 A1 FR 2621146A1
Authority
FR
France
Prior art keywords
transform
prediction
blocks
coefficients
block
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.)
Granted
Application number
FR8812454A
Other languages
English (en)
French (fr)
Other versions
FR2621146B1 (de
Inventor
Akira Yasuda
Hiroyoshi Yuasa
Satoshi Furukawa
Nobuo Matsuo
Yasutaka Fujii
Masami Hisada
Yoshihiko Toku
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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
Priority claimed from JP62240455A external-priority patent/JPH0693753B2/ja
Priority claimed from JP62240453A external-priority patent/JPH0628444B2/ja
Priority claimed from JP28800387A external-priority patent/JP2839142B2/ja
Priority claimed from JP63073664A external-priority patent/JPH01245763A/ja
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of FR2621146A1 publication Critical patent/FR2621146A1/fr
Application granted granted Critical
Publication of FR2621146B1 publication Critical patent/FR2621146B1/fr
Granted 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR8812454A 1987-09-24 1988-09-23 Systeme de codage d'image Granted FR2621146A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP62240455A JPH0693753B2 (ja) 1987-09-24 1987-09-24 画像変換符号化装置
JP62240453A JPH0628444B2 (ja) 1987-09-24 1987-09-24 画像符号化方式
JP24045487 1987-09-24
JP28800387A JP2839142B2 (ja) 1987-11-14 1987-11-14 画像符号化方式
JP63073664A JPH01245763A (ja) 1988-03-28 1988-03-28 ブロック予測方式

Publications (2)

Publication Number Publication Date
FR2621146A1 true FR2621146A1 (fr) 1989-03-31
FR2621146B1 FR2621146B1 (de) 1995-04-07

Family

ID=27524455

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8812454A Granted FR2621146A1 (fr) 1987-09-24 1988-09-23 Systeme de codage d'image

Country Status (3)

Country Link
DE (1) DE3832476A1 (de)
FR (1) FR2621146A1 (de)
GB (1) GB2210229B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0385317A2 (de) * 1989-02-28 1990-09-05 Canon Kabushiki Kaisha Signalverarbeitungsvorrichtung
WO1990013971A1 (de) * 1989-04-29 1990-11-15 Deutsche Thomson-Brandt Gmbh Signalverarbeitungssystem für digitale signale

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5305399A (en) * 1990-04-19 1994-04-19 Ricoh Corporation Two dimensional shift-array for use in image compression VLSI
BR112014025563B1 (pt) * 2012-04-16 2023-12-05 Electronics And Telecommunications Research Institute Método para decodificar um sinal de vídeo

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215375A (en) * 1978-02-23 1980-07-29 Nippon Electric Company, Ltd. Digital facsimile transmission system for screened pictures
US4533957A (en) * 1982-08-26 1985-08-06 Nec Corporation Method of processing picture signal to increase average run length and apparatus therefor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3545106A1 (de) * 1985-12-19 1987-06-25 Ruge I Schaltung zur bilddatenreduktion, mustererkennung, etc.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215375A (en) * 1978-02-23 1980-07-29 Nippon Electric Company, Ltd. Digital facsimile transmission system for screened pictures
US4533957A (en) * 1982-08-26 1985-08-06 Nec Corporation Method of processing picture signal to increase average run length and apparatus therefor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DENSHI TSUSHIN GAKKAI RONBUNSHI vol. 69-B, no. 7, Juillet 1986, pages 686 - 697 *
INT. SEMINAR ON DIGITAL COMMUNICATIONS Mars 1984, ZURICH pages 25 - 31 H. LOHSCHELLER 'adaptive transform coding for still picture communication' *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0385317A2 (de) * 1989-02-28 1990-09-05 Canon Kabushiki Kaisha Signalverarbeitungsvorrichtung
EP0385317A3 (de) * 1989-02-28 1992-04-15 Canon Kabushiki Kaisha Signalverarbeitungsvorrichtung
EP0674438A2 (de) * 1989-02-28 1995-09-27 Canon Kabushiki Kaisha Signalverarbeitungsvorrichtung
EP0674438A3 (de) * 1989-02-28 1995-12-20 Canon Kk Signalverarbeitungsvorrichtung.
WO1990013971A1 (de) * 1989-04-29 1990-11-15 Deutsche Thomson-Brandt Gmbh Signalverarbeitungssystem für digitale signale

Also Published As

Publication number Publication date
DE3832476C2 (de) 1992-01-16
DE3832476A1 (de) 1989-04-13
GB8821600D0 (en) 1988-10-12
GB2210229A (en) 1989-06-01
FR2621146B1 (de) 1995-04-07
GB2210229B (en) 1991-11-20

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