FR2796506B1 - Procede et dispositif de filtrage de signal numerique - Google Patents

Procede et dispositif de filtrage de signal numerique

Info

Publication number
FR2796506B1
FR2796506B1 FR9909093A FR9909093A FR2796506B1 FR 2796506 B1 FR2796506 B1 FR 2796506B1 FR 9909093 A FR9909093 A FR 9909093A FR 9909093 A FR9909093 A FR 9909093A FR 2796506 B1 FR2796506 B1 FR 2796506B1
Authority
FR
France
Prior art keywords
filtering
digital signal
digital
signal
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
FR9909093A
Other languages
English (en)
Other versions
FR2796506A1 (fr
Inventor
Bertrand Berthelot
Patrice Onno
Eric Majani
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 FR9909093A priority Critical patent/FR2796506B1/fr
Publication of FR2796506A1 publication Critical patent/FR2796506A1/fr
Application granted granted Critical
Publication of FR2796506B1 publication Critical patent/FR2796506B1/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
    • H04N19/60—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
    • H04N19/635—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by filter definition or implementation details
    • 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
    • H04N19/10—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR9909093A 1999-07-13 1999-07-13 Procede et dispositif de filtrage de signal numerique Expired - Fee Related FR2796506B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9909093A FR2796506B1 (fr) 1999-07-13 1999-07-13 Procede et dispositif de filtrage de signal numerique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9909093A FR2796506B1 (fr) 1999-07-13 1999-07-13 Procede et dispositif de filtrage de signal numerique

Publications (2)

Publication Number Publication Date
FR2796506A1 FR2796506A1 (fr) 2001-01-19
FR2796506B1 true FR2796506B1 (fr) 2001-10-05

Family

ID=9548060

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9909093A Expired - Fee Related FR2796506B1 (fr) 1999-07-13 1999-07-13 Procede et dispositif de filtrage de signal numerique

Country Status (1)

Country Link
FR (1) FR2796506B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2697704B1 (fr) * 1992-10-29 1995-01-06 France Telecom Procédé et dispositif de segmentation en sous-bandes et de reconstruction d'un signal numérique, et dispositif correspondant.
FR2715527B1 (fr) * 1994-01-21 1996-02-23 Thomson Csf Procédé et dispositif d'analyse et de synthèse en sous bandes adaptatifs.
FR2760872B1 (fr) * 1997-03-17 2000-06-09 Alsthom Cge Alcatel Procede d'optimisation de la compression de donnees d'image, a selection automatique de conditions de compression

Also Published As

Publication number Publication date
FR2796506A1 (fr) 2001-01-19

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20140331