DE69026143D1 - Kodefehler korrigierende Vorhersage-Decodiervorrichtung - Google Patents

Kodefehler korrigierende Vorhersage-Decodiervorrichtung

Info

Publication number
DE69026143D1
DE69026143D1 DE69026143T DE69026143T DE69026143D1 DE 69026143 D1 DE69026143 D1 DE 69026143D1 DE 69026143 T DE69026143 T DE 69026143T DE 69026143 T DE69026143 T DE 69026143T DE 69026143 D1 DE69026143 D1 DE 69026143D1
Authority
DE
Germany
Prior art keywords
decoding device
correcting code
code error
prediction decoding
device correcting
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
DE69026143T
Other languages
English (en)
Other versions
DE69026143T2 (de
Inventor
Nobuhiro Hoshi
Yoshiki Ishii
Kenichi Nagasawa
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.)
Canon Inc
Original Assignee
Canon Inc
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 JP14453189A external-priority patent/JP2995750B2/ja
Priority claimed from JP1159915A external-priority patent/JPH0324864A/ja
Priority claimed from JP2095556A external-priority patent/JPH03292083A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69026143D1 publication Critical patent/DE69026143D1/de
Application granted granted Critical
Publication of DE69026143T2 publication Critical patent/DE69026143T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1876—Interpolating methods
    • 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
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]
    • H03M7/3046—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM] adaptive, e.g. adaptive differential pulse code modulation [ADPCM]
    • 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
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69026143T 1989-06-07 1990-06-01 Kodefehler korrigierende Vorhersage-Decodiervorrichtung Expired - Fee Related DE69026143T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP14453189A JP2995750B2 (ja) 1989-06-07 1989-06-07 復号化装置
JP1159915A JPH0324864A (ja) 1989-06-22 1989-06-22 復号化装置
JP2095556A JPH03292083A (ja) 1990-04-10 1990-04-10 予測復号化装置

Publications (2)

Publication Number Publication Date
DE69026143D1 true DE69026143D1 (de) 1996-05-02
DE69026143T2 DE69026143T2 (de) 1996-08-22

Family

ID=27307844

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69026143T Expired - Fee Related DE69026143T2 (de) 1989-06-07 1990-06-01 Kodefehler korrigierende Vorhersage-Decodiervorrichtung

Country Status (3)

Country Link
US (1) US5325374A (de)
EP (1) EP0402058B1 (de)
DE (1) DE69026143T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0744869B1 (de) * 1990-12-28 2000-03-22 Canon Kabushiki Kaisha Vorrichtung zur Bildverarbeitung
US5400076A (en) * 1991-11-30 1995-03-21 Sony Corporation Compressed motion picture signal expander with error concealment
DE69328608T2 (de) * 1992-06-22 2001-02-08 Oki Electric Ind Co Ltd Bitfehlerzähler und sein zählverfahren, und signal identifikationsvorrichtung und sein identifikationsverfahren
FI96248C (fi) * 1993-05-06 1996-05-27 Nokia Mobile Phones Ltd Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin
FI98164C (fi) * 1994-01-24 1997-04-25 Nokia Mobile Phones Ltd Puhekooderin parametrien käsittely tietoliikennejärjestelmän vastaanottimessa
JP3164971B2 (ja) * 1994-07-15 2001-05-14 日本電気株式会社 画像再生装置
JPH08181987A (ja) * 1994-12-22 1996-07-12 Canon Inc 符号化装置
JP3830574B2 (ja) * 1996-04-10 2006-10-04 松下電器産業株式会社 欠陥補正装置及びこれを用いた固体撮像装置
JP3804902B2 (ja) * 1999-09-27 2006-08-02 パイオニア株式会社 量子化誤差補正方法及び装置並びにオーディオ情報復号方法及び装置
JP2001285645A (ja) 2000-01-25 2001-10-12 Canon Inc 画像入力装置、画像処理装置、画像入力方法、画像処理方法、及び画像入力システム
JP4794987B2 (ja) * 2005-11-09 2011-10-19 キヤノン株式会社 映像信号処理装置
WO2008083304A2 (en) * 2006-12-29 2008-07-10 3M Innovative Properties Company Method of making inorganic or inorganic/organic hybrid films
KR101129153B1 (ko) * 2007-06-20 2012-03-27 후지쯔 가부시끼가이샤 복호 장치, 복호 방법, 및 컴퓨터 판독가능한 기록매체
US8578247B2 (en) * 2008-05-08 2013-11-05 Broadcom Corporation Bit error management methods for wireless audio communication channels

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772682A (en) * 1972-04-19 1973-11-13 Bell Telephone Labor Inc Digital conversion from one pcm format to another
DE2250019C3 (de) * 1972-10-07 1979-05-10 Deutsche Forschungs- Und Versuchsanstalt Fuer Luft- Und Raumfahrt E.V., 5000 Koeln Verfahren zur Fehlererkennung und -korrektur für gestörte Signale in Nachrichtensystemen mit digitaler Differenzwertübertragung
DE3502315A1 (de) * 1985-01-24 1986-07-24 Siemens AG, 1000 Berlin und 8000 München Verfahren zur bildfehlerkorrektur
US4719642A (en) * 1985-02-27 1988-01-12 Scientific Atlanta, Inc. Error detection and concealment using predicted signal values
JPS61247139A (ja) * 1985-04-25 1986-11-04 Canon Inc デ−タ伝送方法
JPS62241436A (ja) * 1986-04-14 1987-10-22 Canon Inc 画像信号予測符号化・復号化システム
JPH01256278A (ja) * 1988-04-06 1989-10-12 Canon Inc 予測符号化システム
US4965580A (en) * 1988-09-26 1990-10-23 Mitsubishi Denki Kabushiki Kaisha Quantizer and inverse-quantizer
US5043728A (en) * 1988-11-02 1991-08-27 Canon Kabushiki Kaisha Predictive coding device and predictive decoding device
CA2016996C (en) * 1989-05-18 1993-01-19 Masayuki Okajima Codec system encoding and decoding an image signal at a high speed

Also Published As

Publication number Publication date
EP0402058A3 (de) 1991-07-31
US5325374A (en) 1994-06-28
EP0402058B1 (de) 1996-03-27
EP0402058A2 (de) 1990-12-12
DE69026143T2 (de) 1996-08-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee