FR2867633B1 - Procedes et dispositifs de codage et de transcodage de donnees - Google Patents

Procedes et dispositifs de codage et de transcodage de donnees

Info

Publication number
FR2867633B1
FR2867633B1 FR0402484A FR0402484A FR2867633B1 FR 2867633 B1 FR2867633 B1 FR 2867633B1 FR 0402484 A FR0402484 A FR 0402484A FR 0402484 A FR0402484 A FR 0402484A FR 2867633 B1 FR2867633 B1 FR 2867633B1
Authority
FR
France
Prior art keywords
encoding
methods
devices
transcoding data
transcoding
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
FR0402484A
Other languages
English (en)
Other versions
FR2867633A1 (fr
Inventor
Christophe Gisquet
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 FR0402484A priority Critical patent/FR2867633B1/fr
Publication of FR2867633A1 publication Critical patent/FR2867633A1/fr
Application granted granted Critical
Publication of FR2867633B1 publication Critical patent/FR2867633B1/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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/124—Quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
FR0402484A 2004-03-10 2004-03-10 Procedes et dispositifs de codage et de transcodage de donnees Expired - Fee Related FR2867633B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0402484A FR2867633B1 (fr) 2004-03-10 2004-03-10 Procedes et dispositifs de codage et de transcodage de donnees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0402484A FR2867633B1 (fr) 2004-03-10 2004-03-10 Procedes et dispositifs de codage et de transcodage de donnees

Publications (2)

Publication Number Publication Date
FR2867633A1 FR2867633A1 (fr) 2005-09-16
FR2867633B1 true FR2867633B1 (fr) 2006-07-14

Family

ID=34896425

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0402484A Expired - Fee Related FR2867633B1 (fr) 2004-03-10 2004-03-10 Procedes et dispositifs de codage et de transcodage de donnees

Country Status (1)

Country Link
FR (1) FR2867633B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPP248498A0 (en) * 1998-03-20 1998-04-23 Canon Kabushiki Kaisha A method and apparatus for encoding and decoding an image
US6944226B1 (en) * 2000-10-03 2005-09-13 Matsushita Electric Corporation Of America System and associated method for transcoding discrete cosine transform coded signals
KR100433516B1 (ko) * 2000-12-08 2004-05-31 삼성전자주식회사 트랜스코딩 방법
US8526751B2 (en) * 2001-08-24 2013-09-03 International Business Machines Corporation Managing image storage size

Also Published As

Publication number Publication date
FR2867633A1 (fr) 2005-09-16

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20141128