CA1255392A - Differential coding apparatus having an optimum predicted value determining circuit - Google Patents

Differential coding apparatus having an optimum predicted value determining circuit

Info

Publication number
CA1255392A
CA1255392A CA000531503A CA531503A CA1255392A CA 1255392 A CA1255392 A CA 1255392A CA 000531503 A CA000531503 A CA 000531503A CA 531503 A CA531503 A CA 531503A CA 1255392 A CA1255392 A CA 1255392A
Authority
CA
Canada
Prior art keywords
value
predicted value
optimum
circuit
predicted
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
Application number
CA000531503A
Other languages
English (en)
French (fr)
Inventor
Yuuji Takenaka
Toshihiro Homma
Kiichi Matsuda
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of CA1255392A publication Critical patent/CA1255392A/en
Expired 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA000531503A 1986-03-14 1987-03-09 Differential coding apparatus having an optimum predicted value determining circuit Expired CA1255392A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61-057301 1986-03-14
JP61057301A JPS62214792A (ja) 1986-03-14 1986-03-14 差分符号化装置

Publications (1)

Publication Number Publication Date
CA1255392A true CA1255392A (en) 1989-06-06

Family

ID=13051729

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000531503A Expired CA1255392A (en) 1986-03-14 1987-03-09 Differential coding apparatus having an optimum predicted value determining circuit

Country Status (5)

Country Link
US (1) US4743967A (OSRAM)
EP (1) EP0237989B1 (OSRAM)
JP (1) JPS62214792A (OSRAM)
CA (1) CA1255392A (OSRAM)
DE (1) DE3770844D1 (OSRAM)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3634691A1 (de) * 1986-10-11 1988-04-14 Philips Patentverwaltung Differenzpulscodemodulator sowie dessen verwendung als demodulator
JPS63203078A (ja) * 1987-02-19 1988-08-22 Nec Corp フレ−ム間予測復号化装置
JPH0773218B2 (ja) * 1987-04-21 1995-08-02 沖電気工業株式会社 Ａｄｐｃｍ符号化・復号化器
DE3714589A1 (de) * 1987-05-01 1988-11-10 Standard Elektrik Lorenz Ag Videosignal-codierer mit dpcm und adaptiver praediktion
US4995059A (en) * 1988-01-14 1991-02-19 Canon Kabushiki Kaisha Predictive coding device
JPH01238229A (ja) * 1988-03-17 1989-09-22 Sony Corp デイジタル信号処理装置
US4891698A (en) * 1988-06-14 1990-01-02 Siemens Aktiengesellschaft Arrangement for DPCM-coding of video signals
US4893184A (en) * 1988-06-14 1990-01-09 Siemens Aktiengesellschaft Arrangement for DPCM-coding with high data rate
JPH02131038A (ja) * 1988-11-10 1990-05-18 Pioneer Electron Corp 信号伝送装置
US5107519A (en) * 1988-11-17 1992-04-21 Canon Kabushiki Kaisha Coding device and a decoding device
JPH07109990B2 (ja) * 1989-04-27 1995-11-22 日本ビクター株式会社 適応型フレーム間予測符号化方法及び復号方法
CA2016996C (en) * 1989-05-18 1993-01-19 Masayuki Okajima Codec system encoding and decoding an image signal at a high speed
DE68909592T2 (de) * 1989-07-04 1994-05-11 Rai Radiotelevisione Italiana Vorrichtung zur Redundanzreduktion in Blöcken digitaler Videodaten in DCT-Kodierung.
JPH0828875B2 (ja) * 1989-08-21 1996-03-21 三菱電機株式会社 符号化装置および復号化装置
JP3159309B2 (ja) * 1989-09-27 2001-04-23 ソニー株式会社 映像信号符号化方法及び映像信号符号化装置
FI84682C (fi) * 1990-01-31 1991-12-27 Telenokia Oy Foerfarande och anordning foer predikterande kodning.
US5091782A (en) * 1990-04-09 1992-02-25 General Instrument Corporation Apparatus and method for adaptively compressing successive blocks of digital video
WO1991018478A1 (en) * 1990-05-11 1991-11-28 Picturetel Corporation A hierarchical encoding method and apparatus employing background references for efficiently communicating image sequences
US5260783A (en) * 1991-02-21 1993-11-09 Gte Laboratories Incorporated Layered DCT video coder for packet switched ATM networks
US5235419A (en) * 1991-10-24 1993-08-10 General Instrument Corporation Adaptive motion compensation using a plurality of motion compensators
US5592302A (en) * 1992-03-23 1997-01-07 Canon Kabushiki Kaisha Coding method for coding pixel blocks and apparatus therefor
US5621760A (en) * 1992-07-21 1997-04-15 Kokusai Electric Co., Ltd. Speech coding transmission system and coder and decoder therefor
US5376968A (en) * 1993-03-11 1994-12-27 General Instrument Corporation Adaptive compression of digital video data using different modes such as PCM and DPCM
US6195398B1 (en) 1997-12-19 2001-02-27 Stmicroelectronics, Inc. Method and apparatus for coding and communicating data in noisy environment
US6928605B2 (en) * 2002-03-29 2005-08-09 Intel Corporation Add-compare-select accelerator using pre-compare-select-add operation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1091810A (en) * 1976-12-16 1980-12-16 Toshio Koga Predictive codec capable of selecting one of at least three prediction signals in two steps
US4460923A (en) * 1981-06-01 1984-07-17 Nippon Electric Co., Ltd. Predictive coding system for television signals
JPS57210785A (en) * 1981-06-19 1982-12-24 Kokusai Denshin Denwa Co Ltd <Kdd> Adaptive forecasting system between frames of television signal
JPS5836090A (ja) * 1981-08-27 1983-03-02 Kokusai Denshin Denwa Co Ltd <Kdd> テレビジョン信号の中央値予測符号化方式
JPS58121883A (ja) * 1982-01-14 1983-07-20 Kokusai Denshin Denwa Co Ltd <Kdd> Ｔｖ映像信号圧縮装置
JPS58127488A (ja) * 1982-01-25 1983-07-29 Kokusai Denshin Denwa Co Ltd <Kdd> テレビジヨン信号の適応予測符号化方式
JPS58148565A (ja) * 1982-02-26 1983-09-03 Mitsubishi Electric Corp 多階調画像信号の符号化方法
US4633325A (en) * 1983-09-01 1986-12-30 Nec Corporation Adaptive predictive encoding and/or decoding apparatus
JPS61114677A (ja) * 1984-11-09 1986-06-02 Nec Corp 動画像信号の適応予測符号化復号化方式及びその装置

Also Published As

Publication number Publication date
JPH0547158B2 (OSRAM) 1993-07-15
US4743967A (en) 1988-05-10
EP0237989B1 (en) 1991-06-19
DE3770844D1 (de) 1991-07-25
JPS62214792A (ja) 1987-09-21
EP0237989A1 (en) 1987-09-23

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Effective date: 20070309