DE69523516D1 - Digitale Vorrichtung zum Kodieren/Dekodieren unter Verwendung von Codes mit variablen Lauflängen - Google Patents

Digitale Vorrichtung zum Kodieren/Dekodieren unter Verwendung von Codes mit variablen Lauflängen

Info

Publication number
DE69523516D1
DE69523516D1 DE69523516T DE69523516T DE69523516D1 DE 69523516 D1 DE69523516 D1 DE 69523516D1 DE 69523516 T DE69523516 T DE 69523516T DE 69523516 T DE69523516 T DE 69523516T DE 69523516 D1 DE69523516 D1 DE 69523516D1
Authority
DE
Germany
Prior art keywords
codes
decoding device
digital coding
run lengths
variable run
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
DE69523516T
Other languages
English (en)
Other versions
DE69523516T2 (de
Inventor
Kazutake Ohara
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 Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69523516D1 publication Critical patent/DE69523516D1/de
Application granted granted Critical
Publication of DE69523516T2 publication Critical patent/DE69523516T2/de
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
    • 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
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE69523516T 1994-07-13 1995-07-12 Digitale Vorrichtung zum Kodieren/Dekodieren unter Verwendung von Codes mit variablen Lauflängen Expired - Fee Related DE69523516T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16098694 1994-07-13

Publications (2)

Publication Number Publication Date
DE69523516D1 true DE69523516D1 (de) 2001-12-06
DE69523516T2 DE69523516T2 (de) 2002-05-16

Family

ID=15726400

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69523516T Expired - Fee Related DE69523516T2 (de) 1994-07-13 1995-07-12 Digitale Vorrichtung zum Kodieren/Dekodieren unter Verwendung von Codes mit variablen Lauflängen

Country Status (5)

Country Link
US (1) US5901250A (de)
EP (1) EP0692913B1 (de)
KR (1) KR100186915B1 (de)
CN (1) CN1085461C (de)
DE (1) DE69523516T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6336180B1 (en) 1997-04-30 2002-01-01 Canon Kabushiki Kaisha Method, apparatus and system for managing virtual memory with virtual-physical mapping
US7116829B1 (en) 1996-11-06 2006-10-03 Matsushita Electric Industrial Co., Ltd. Image coding and decoding methods, image coding and decoding apparatuses, and recording media for image coding and decoding programs
EP0873018B1 (de) * 1996-11-06 2002-09-25 Matsushita Electric Industrial Co., Ltd. Verfahren zur bilddekodierung
SE512613C2 (sv) * 1996-12-30 2000-04-10 Ericsson Telefon Ab L M Metod och organ för informationshantering
US6639945B2 (en) 1997-03-14 2003-10-28 Microsoft Corporation Method and apparatus for implementing motion detection in video compression
AUPO648397A0 (en) 1997-04-30 1997-05-22 Canon Information Systems Research Australia Pty Ltd Improvements in multiprocessor architecture operation
US6195674B1 (en) 1997-04-30 2001-02-27 Canon Kabushiki Kaisha Fast DCT apparatus
US6414687B1 (en) 1997-04-30 2002-07-02 Canon Kabushiki Kaisha Register setting-micro programming system
US6707463B1 (en) 1997-04-30 2004-03-16 Canon Kabushiki Kaisha Data normalization technique
AUPO647997A0 (en) 1997-04-30 1997-05-22 Canon Information Systems Research Australia Pty Ltd Memory controller architecture
US6259456B1 (en) 1997-04-30 2001-07-10 Canon Kabushiki Kaisha Data normalization techniques
KR100487363B1 (ko) * 1997-07-30 2005-06-16 엘지전자 주식회사 엠펙비디오디코더의전처리장치및이를활용한간이형비디오디코더
US7469012B2 (en) * 2002-05-14 2008-12-23 Broadcom Corporation System and method for transcoding entropy-coded bitstreams
US7231093B2 (en) * 2003-08-01 2007-06-12 Texas Instuments Incorporated Image code estimation
US7434150B1 (en) 2004-03-03 2008-10-07 Marvell Israel (M.I.S.L.) Ltd. Methods, circuits, architectures, software and systems for determining a data transmission error and/or checking or confirming such error determinations
US7360142B1 (en) * 2004-03-03 2008-04-15 Marvell Semiconductor Israel Ltd. Methods, architectures, circuits, software and systems for CRC determination
JP4037875B2 (ja) * 2005-02-24 2008-01-23 株式会社東芝 コンピュータグラフィックスデータ符号化装置、復号化装置、符号化方法、および、復号化方法
JP4510702B2 (ja) * 2005-05-31 2010-07-28 富士フイルム株式会社 高速画像縮小装置および方法
US7549058B1 (en) * 2005-06-30 2009-06-16 Mavs Lab. Inc. Method and apparatus for encrypting and decrypting digital data
KR100668344B1 (ko) * 2005-09-20 2007-01-12 삼성전자주식회사 영상 부호화장치 및 방법, 영상 복호화장치 및 방법과 이를채용한 디스플레이 구동회로 및 방법
US10194158B2 (en) 2012-09-04 2019-01-29 Qualcomm Incorporated Transform basis adjustment in scalable video coding

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5184229A (en) * 1988-12-09 1993-02-02 Fuji Photo Film Co., Ltd. Compression coding device and expansion decoding device for picture signal
CA2009848C (en) * 1989-02-14 1995-11-21 Masahiro Fukuda Method and system for writing and reading coded data
JPH03145223A (ja) * 1989-10-30 1991-06-20 Toshiba Corp 可変長符号復調装置
CA2038131A1 (en) * 1990-03-14 1991-09-15 Alexandre Balkanski System for compression and decompression of video data using discrete cosine transform and coding techniques
US5253078A (en) * 1990-03-14 1993-10-12 C-Cube Microsystems, Inc. System for compression and decompression of video data using discrete cosine transform and coding techniques
US5173695A (en) * 1990-06-29 1992-12-22 Bell Communications Research, Inc. High-speed flexible variable-length-code decoder
JPH0479421A (ja) * 1990-07-18 1992-03-12 Toshiba Corp 可変長符号化装置および可変長復号化装置
EP0469835B1 (de) * 1990-07-31 1998-09-30 Canon Kabushiki Kaisha Verfahren und Gerät zur Bildverarbeitung
DE69131809T2 (de) * 1990-09-04 2000-05-11 Canon Kk Bildverarbeitungsverfahren und -gerät
JPH05300379A (ja) * 1992-04-16 1993-11-12 Toshiba Corp 符号量配分回路
JPH05308622A (ja) * 1992-04-28 1993-11-19 Mitsubishi Electric Corp 画像符号化・復号化装置
JP2894122B2 (ja) 1992-11-25 1999-05-24 松下電器産業株式会社 記録再生装置および記録再生方法
JPH06164417A (ja) * 1992-11-27 1994-06-10 Seiko Epson Corp 符号化装置
US5561422A (en) * 1994-05-16 1996-10-01 Daewoo Electronics Co., Ltd. Method and apparatus for variable length coding with reduced memory requirement
JP3559314B2 (ja) * 1994-06-14 2004-09-02 ペンタックス株式会社 画像圧縮装置

Also Published As

Publication number Publication date
EP0692913B1 (de) 2001-10-31
CN1120773A (zh) 1996-04-17
US5901250A (en) 1999-05-04
KR100186915B1 (ko) 1999-05-01
CN1085461C (zh) 2002-05-22
EP0692913A2 (de) 1996-01-17
DE69523516T2 (de) 2002-05-16
EP0692913A3 (de) 1998-10-07
KR960006644A (ko) 1996-02-23

Similar Documents

Publication Publication Date Title
DE69523516T2 (de) Digitale Vorrichtung zum Kodieren/Dekodieren unter Verwendung von Codes mit variablen Lauflängen
DE69232597T2 (de) Kodierungsverfahren
DE69414985D1 (de) Verzweigungsentscheidungskodierung
DE69020269D1 (de) Sprachkodierungsgerät mit mehreren Kodierungsverfahren.
DE69525884D1 (de) Fernbedienungsverfahren unter Verwendung von veränderlichem Identifikationscode
DE68925552T2 (de) Kodierer mit veränderlicher Datenrate
DE69515461D1 (de) Simplifiziertes strichkodedekodierverfahren
DE69416045D1 (de) Intra-Bild-Zwangskodierungsverfahren
DE69527577T2 (de) Bildkodierungsgerät mit mehreren Kodierern
DE68922220T2 (de) Verfahren zur chlorierung von methan.
DE69024033D1 (de) Kodierungssystem mit variabler Bitrate.
DE69400194T2 (de) Schaufelnstufe mit freien Schaufelnenden
DE69328626D1 (de) Fotokopierer mit kodierungsfunktion
DE3485115D1 (de) Lichtreflektionskodierungsverfahren und kodierer.
DE69535392D1 (de) Vorrichtung zur Dekodierung von Codes mit variablen Lauflängen unter Verwendung einer relativen Adressierung
DE68923147T2 (de) Übertragungsleitung mit Kodier/Dekodiereinrichtung.
DE69028078T2 (de) Kodiervorrichtung mit hoher Wirksamkeit
DE68922166D1 (de) Chiffrierverfahren mit nachträglicher Quellenkodierung.
BR8704623A (pt) Metodo e aparelho codificador e decodificador por codificacao aritmetica
DE69121487D1 (de) Kodier- und Dekodierverfahren für ein Bildsignal unter Verwendung von überlappenden Blöcken mit variablen Abmessungen und Vorrichtung dazu
DE69131282D1 (de) Verfahren zur variablen Längenkodierung
DE69610989T2 (de) Reifen mit verbesserter pitch-folge
DE69432037D1 (de) 4B6B-Kodierung
DE69613792T2 (de) Datenkodierung mit einer variablem blocklänge
DE69612515T2 (de) Digitale Kodierungsvorrichtung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee