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FR2844935B1 - Transcodage de donnees numeriques - Google Patents

Transcodage de donnees numeriques

Info

Publication number
FR2844935B1
FR2844935B1 FR0211844A FR0211844A FR2844935B1 FR 2844935 B1 FR2844935 B1 FR 2844935B1 FR 0211844 A FR0211844 A FR 0211844A FR 0211844 A FR0211844 A FR 0211844A FR 2844935 B1 FR2844935 B1 FR 2844935B1
Authority
FR
France
Prior art keywords
digital data
transcoding digital
transcoding
data
digital
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
FR0211844A
Other languages
English (en)
Other versions
FR2844935A1 (fr
Inventor
Felix Henry
Iona Donescu
Guillaume Fuchs
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 FR0211844A priority Critical patent/FR2844935B1/fr
Priority to US10/668,389 priority patent/US20050100224A1/en
Publication of FR2844935A1 publication Critical patent/FR2844935A1/fr
Application granted granted Critical
Publication of FR2844935B1 publication Critical patent/FR2844935B1/fr
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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N19/134—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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving 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
    • H04N19/10—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
    • H04N19/164—Feedback from the receiver or from the transmission channel
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
FR0211844A 2002-09-25 2002-09-25 Transcodage de donnees numeriques Expired - Fee Related FR2844935B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0211844A FR2844935B1 (fr) 2002-09-25 2002-09-25 Transcodage de donnees numeriques
US10/668,389 US20050100224A1 (en) 2002-09-25 2003-09-24 Transcoding of digital data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0211844A FR2844935B1 (fr) 2002-09-25 2002-09-25 Transcodage de donnees numeriques

Publications (2)

Publication Number Publication Date
FR2844935A1 FR2844935A1 (fr) 2004-03-26
FR2844935B1 true FR2844935B1 (fr) 2005-01-28

Family

ID=31970972

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0211844A Expired - Fee Related FR2844935B1 (fr) 2002-09-25 2002-09-25 Transcodage de donnees numeriques

Country Status (2)

Country Link
US (1) US20050100224A1 (fr)
FR (1) FR2844935B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2889382A1 (fr) * 2005-07-29 2007-02-02 Canon Res Ct France Soc Par Ac Procede et dispositif de filtrage d'un signal numerique multidimensionnel et procedes et dispositifs de codage et decodage associes
US7697827B2 (en) 2005-10-17 2010-04-13 Konicek Jeffrey C User-friendlier interfaces for a camera
FR2906093A1 (fr) * 2006-09-18 2008-03-21 Canon Kk Procedes et dispositifs de codage et de decodage, systeme de telecommunication et programme d'ordinateur les mettant en oeuvre
US8588539B2 (en) * 2008-02-20 2013-11-19 Canon Kabushiki Kaisha Methods and devices for filtering and coding a digital signal
US20120023148A1 (en) * 2009-06-05 2012-01-26 James Louis Long Applying Transcodings In A Determined Order To Produce Output Files From A Source File
US8615499B2 (en) * 2012-01-27 2013-12-24 International Business Machines Corporation Estimating data reduction in storage systems
US20150181208A1 (en) * 2013-12-20 2015-06-25 Qualcomm Incorporated Thermal and power management with video coding

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778608A (en) * 1970-05-22 1973-12-11 P Richman Electrical measuring systems using a quarter-square multiplier
CA2108833A1 (fr) * 1992-10-22 1994-04-23 Masanori Ishii Processeur a compression de fichiers
US5918225A (en) * 1993-04-16 1999-06-29 Sybase, Inc. SQL-based database system with improved indexing methodology
JPH08256266A (ja) * 1995-03-17 1996-10-01 Mitsubishi Electric Corp 画像符号化方式
US5710719A (en) * 1995-10-19 1998-01-20 America Online, Inc. Apparatus and method for 2-dimensional data compression
FR2750280A1 (fr) * 1996-06-21 1997-12-26 Canon Kk Transmission progressive d'image numerique
US5847771A (en) * 1996-08-14 1998-12-08 Bell Atlantic Network Services, Inc. Digital entertainment terminal providing multiple digital pictures
FR2755818A1 (fr) * 1996-11-08 1998-05-15 Canon Kk Codage de signal numerique par decomposition en sous-bandes de frequence et quantification vectorielle a etats finis
EP0899960A3 (fr) * 1997-08-29 1999-06-09 Canon Kabushiki Kaisha Codage et décodage de signaux numériques
US6498866B2 (en) * 1997-08-29 2002-12-24 Canon Kabushiki Kaisha Methods and devices for processing data and notably for compressing and decompressing images
JPH11122498A (ja) * 1997-10-16 1999-04-30 Matsushita Denso System Kk 画像処理装置
US6288743B1 (en) * 1997-10-20 2001-09-11 Eastman Kodak Company Electronic camera for processing image segments
US6501860B1 (en) * 1998-01-19 2002-12-31 Canon Kabushiki Kaisha Digital signal coding and decoding based on subbands
AUPP248498A0 (en) * 1998-03-20 1998-04-23 Canon Kabushiki Kaisha A method and apparatus for encoding and decoding an image
US6298166B1 (en) * 1998-03-30 2001-10-02 Seiko Epson Corporation Image transformations in the compressed domain
US6167469A (en) * 1998-05-18 2000-12-26 Agilent Technologies, Inc. Digital camera having display device for displaying graphical representation of user input and method for transporting the selected digital images thereof
US6233359B1 (en) * 1998-10-29 2001-05-15 Seiko Epson Corporation File size bounded JPEG transcoder (FSBJT)
EP1003301A3 (fr) * 1998-11-19 2000-06-07 NEC Corporation Appareil fournissant d'information de programmes et appareil de commande d'enregistrement/reproduction
US6721001B1 (en) * 1998-12-16 2004-04-13 International Business Machines Corporation Digital camera with voice recognition annotation
EP1032216A1 (fr) * 1999-02-24 2000-08-30 Canon Kabushiki Kaisha Dispositif et procédé pour la transformation d'un signal numérique
FR2792151B1 (fr) * 1999-04-08 2004-04-30 Canon Kk Procedes et dispositifs de codage et de decodage de signaux numeriques, et systemes les mettant en oeuvre
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
US7369161B2 (en) * 1999-06-08 2008-05-06 Lightsurf Technologies, Inc. Digital camera device providing improved methodology for rapidly taking successive pictures
US6512918B1 (en) * 1999-08-19 2003-01-28 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements for transcoder selection and transcoding data within packet-switched communication networks supporting radio interfaces
EP1109409A3 (fr) * 1999-12-17 2011-11-30 Canon Kabushiki Kaisha Codage de signal numérique avec division en tuiles
US6687410B1 (en) * 2000-02-07 2004-02-03 Sun Microsystems, Inc. Method and apparatus for compression and decompression of data
US20010047517A1 (en) * 2000-02-10 2001-11-29 Charilaos Christopoulos Method and apparatus for intelligent transcoding of multimedia data
FR2809248B1 (fr) * 2000-05-19 2003-08-08 Canon Kk Compression de donnees numeriques et codage des donnees compressees pour les proteger contre les erreurs de transmission
FR2812506B1 (fr) * 2000-07-25 2002-12-20 Canon Kk Procede et dispositif d'alerte lors du decodage progressif d'une image numerique codee avec une region d'interet
FR2816153B1 (fr) * 2000-10-27 2002-12-20 Canon Kk Procede de controle prealable de la detectabilite d'un signal de marquage
FR2816154A1 (fr) * 2000-10-31 2002-05-03 Canon Kk Insertion d'information supplementaire dans des donnees numeriques
US6407680B1 (en) * 2000-12-22 2002-06-18 Generic Media, Inc. Distributed on-demand media transcoding system and method
US20020116533A1 (en) * 2001-02-20 2002-08-22 Holliman Matthew J. System for providing a multimedia peer-to-peer computing platform
KR100777271B1 (ko) * 2001-02-28 2007-11-20 엘지전자 주식회사 디지털 시스템의 메모리 관리 방법
EP1263236A2 (fr) * 2001-05-28 2002-12-04 Canon Research Centre France S.A. Méthode et appareil de traitement de signal numérique
US7106366B2 (en) * 2001-12-19 2006-09-12 Eastman Kodak Company Image capture system incorporating metadata to facilitate transcoding
US7460722B2 (en) * 2002-01-11 2008-12-02 Canon Kabushiki Kaisha Encoding of digital data with determination of sample path
FR2835665B1 (fr) * 2002-02-04 2004-04-02 Canon Kk Codage et decodage de signal numerique
US6992707B2 (en) * 2002-03-06 2006-01-31 Hewlett-Packard Development Company, L.P. Delayed encoding based joint video and still image pipeline with still burst mode
US6987890B2 (en) * 2002-03-27 2006-01-17 Eastman Kodak Company Producing and encoding rate-distortion information allowing optimal transcoding of compressed digital image
US7092965B2 (en) * 2002-07-09 2006-08-15 Lightsurf Technologies, Inc. System and method for improved compression of DCT compressed images

Also Published As

Publication number Publication date
US20050100224A1 (en) 2005-05-12
FR2844935A1 (fr) 2004-03-26

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Effective date: 20140530