CA2221288C - Codeur, decodeur, leurs procedes, et processeur d'images - Google Patents

Codeur, decodeur, leurs procedes, et processeur d'images Download PDF

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Publication number
CA2221288C
CA2221288C CA 2221288 CA2221288A CA2221288C CA 2221288 C CA2221288 C CA 2221288C CA 2221288 CA2221288 CA 2221288 CA 2221288 A CA2221288 A CA 2221288A CA 2221288 C CA2221288 C CA 2221288C
Authority
CA
Canada
Prior art keywords
encoding
decoding
picture element
value
codeword
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
CA 2221288
Other languages
English (en)
Other versions
CA2221288A1 (fr
Inventor
Tomohiro Kimura
Ikuro Ueno
Taichi Yanagiya
Masayuki Yoshida
Fumitaka Ono
Narihiro Matoba
Kunio Ueda
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Priority claimed from PCT/JP1996/003568 external-priority patent/WO1997035422A1/fr
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to CA002320580A priority Critical patent/CA2320580C/fr
Publication of CA2221288A1 publication Critical patent/CA2221288A1/fr
Application granted granted Critical
Publication of CA2221288C publication Critical patent/CA2221288C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • 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
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
CA 2221288 1996-03-19 1997-03-12 Codeur, decodeur, leurs procedes, et processeur d'images Expired - Lifetime CA2221288C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002320580A CA2320580C (fr) 1996-03-19 1997-03-12 Appareil de codage, appareil de decodage, methode de codage, methode de decodage

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP8-63117 1996-03-19
JP6311796 1996-03-19
PCT/JP1996/003568 WO1997035422A1 (fr) 1996-03-19 1996-12-05 Codeur, decodeur, et procedes mis en oeuvre
WOPCT/JP96/03568 1996-12-05
PCT/JP1997/000768 WO1997035434A1 (fr) 1996-03-19 1997-03-12 Codeur, decodeur, leurs procedes, et processeur d'images

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002320580A Division CA2320580C (fr) 1996-03-19 1997-03-12 Appareil de codage, appareil de decodage, methode de codage, methode de decodage

Publications (2)

Publication Number Publication Date
CA2221288A1 CA2221288A1 (fr) 1997-09-25
CA2221288C true CA2221288C (fr) 2001-02-27

Family

ID=26404202

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2221288 Expired - Lifetime CA2221288C (fr) 1996-03-19 1997-03-12 Codeur, decodeur, leurs procedes, et processeur d'images

Country Status (5)

Country Link
EP (1) EP0827342B1 (fr)
JP (1) JP3228943B2 (fr)
AU (1) AU697471B2 (fr)
CA (1) CA2221288C (fr)
WO (1) WO1997035434A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009157047A1 (fr) 2008-06-27 2009-12-30 富士通株式会社 Dispositif de compression d’images et dispositif de restauration d’images

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379956A1 (fr) * 1977-02-08 1978-09-01 Mitsubishi Electric Corp Systeme de communications a codage de signaux fac-similes
JPS5927501A (ja) 1982-08-04 1984-02-14 シャープ株式会社 感湿抵抗素子及びその製造方法
JPS6165573A (ja) * 1984-09-06 1986-04-04 Fujitsu Ltd 画像信号符号化方式
JPS62108663A (ja) * 1985-11-06 1987-05-19 Fujitsu Ltd エントロピ−符号化方式
US4939583A (en) * 1987-09-07 1990-07-03 Hitachi, Ltd. Entropy-coding system
JPH01251403A (ja) 1988-03-31 1989-10-06 Toshiba Corp 磁気ヘッドおよびこの磁気ヘッドの製造方法
JPH0795693B2 (ja) * 1991-04-25 1995-10-11 三菱電機株式会社 符号化・復号化装置
JP3108479B2 (ja) * 1991-08-28 2000-11-13 株式会社リコー 符号化復号化方法およびその装置
JP2754970B2 (ja) * 1991-09-06 1998-05-20 日本電気株式会社 移動体衛星通信システムのデータ同期化方式
JP2954438B2 (ja) * 1992-11-19 1999-09-27 三菱電機株式会社 符号化装置
JPH06181523A (ja) * 1992-12-14 1994-06-28 Ricoh Co Ltd 予測符号化方式の符号化装置および復号化装置

Also Published As

Publication number Publication date
AU697471B2 (en) 1998-10-08
AU1939597A (en) 1997-10-10
WO1997035434A1 (fr) 1997-09-25
EP0827342A4 (fr) 2000-10-04
EP0827342B1 (fr) 2013-02-27
JP3228943B2 (ja) 2001-11-12
CA2221288A1 (fr) 1997-09-25
EP0827342A1 (fr) 1998-03-04

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