FR2835665B1 - Codage et decodage de signal numerique - Google Patents

Codage et decodage de signal numerique

Info

Publication number
FR2835665B1
FR2835665B1 FR0201277A FR0201277A FR2835665B1 FR 2835665 B1 FR2835665 B1 FR 2835665B1 FR 0201277 A FR0201277 A FR 0201277A FR 0201277 A FR0201277 A FR 0201277A FR 2835665 B1 FR2835665 B1 FR 2835665B1
Authority
FR
France
Prior art keywords
decoding
coding
digital signals
digital
signals
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
FR0201277A
Other languages
English (en)
Other versions
FR2835665A1 (fr
Inventor
Felix Henry
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
Application filed by Canon Inc filed Critical Canon Inc
Priority to FR0201277A priority Critical patent/FR2835665B1/fr
Priority to US10/347,829 priority patent/US6822587B2/en
Publication of FR2835665A1 publication Critical patent/FR2835665A1/fr
Application granted granted Critical
Publication of FR2835665B1 publication Critical patent/FR2835665B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR0201277A 2002-02-04 2002-02-04 Codage et decodage de signal numerique Expired - Fee Related FR2835665B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0201277A FR2835665B1 (fr) 2002-02-04 2002-02-04 Codage et decodage de signal numerique
US10/347,829 US6822587B2 (en) 2002-02-04 2003-01-22 Digital signal coding and decoding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0201277A FR2835665B1 (fr) 2002-02-04 2002-02-04 Codage et decodage de signal numerique

Publications (2)

Publication Number Publication Date
FR2835665A1 FR2835665A1 (fr) 2003-08-08
FR2835665B1 true FR2835665B1 (fr) 2004-04-02

Family

ID=27619858

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0201277A Expired - Fee Related FR2835665B1 (fr) 2002-02-04 2002-02-04 Codage et decodage de signal numerique

Country Status (2)

Country Link
US (1) US6822587B2 (fr)
FR (1) FR2835665B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6944639B2 (en) * 2001-06-29 2005-09-13 Nokia Corporation Hardware context vector generator for JPEG2000 block-coding
FR2844935B1 (fr) * 2002-09-25 2005-01-28 Canon Kk Transcodage de donnees numeriques
FR2846835B1 (fr) * 2002-11-05 2005-04-15 Canon Kk Codage de donnees numeriques combinant plusieurs modes de codage
US7747097B2 (en) * 2006-06-16 2010-06-29 Seiko Epson Corporation Method for simple hardware implementation of JPEG size limiter
TWI386069B (zh) * 2007-08-10 2013-02-11 Univ Nat Cheng Kung 資料集編碼系統及方法以及程式產品

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960006762B1 (ko) * 1992-02-29 1996-05-23 삼성전자주식회사 화상부호화를 위한 효율적인 2차원 데이타의 주사선택회로
KR950010913B1 (ko) * 1992-07-23 1995-09-25 삼성전자주식회사 가변장부호화 및 복호화시스템
US5500678A (en) * 1994-03-18 1996-03-19 At&T Corp. Optimized scanning of transform coefficients in video coding
CN1232502A (zh) 1996-03-25 1999-10-20 佛罗里达大学 针对植物病原体的无毒性/致病性蛋白的抗体
SE512613C2 (sv) * 1996-12-30 2000-04-10 Ericsson Telefon Ab L M Metod och organ för informationshantering
EP0899960A3 (fr) 1997-08-29 1999-06-09 Canon Kabushiki Kaisha Codage et décodage de signaux numériques
FR2767986A1 (fr) 1997-08-29 1999-03-05 Canon Kk Codage et decodage de signal numerique
US6501860B1 (en) * 1998-01-19 2002-12-31 Canon Kabushiki Kaisha Digital signal coding and decoding based on subbands
FR2792150B1 (fr) 1999-04-08 2003-02-28 Canon Kk Procedes et dispositis de codage et de decodage de signaux numeriques, et systemes les mettant en oeuvre

Also Published As

Publication number Publication date
US20030146859A1 (en) 2003-08-07
FR2835665A1 (fr) 2003-08-08
US6822587B2 (en) 2004-11-23

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20141031