FR2654887B1 - Procede et dispositif de codage et de decodage compatibles d'images de television de resolutions differentes. - Google Patents

Procede et dispositif de codage et de decodage compatibles d'images de television de resolutions differentes.

Info

Publication number
FR2654887B1
FR2654887B1 FR8915175A FR8915175A FR2654887B1 FR 2654887 B1 FR2654887 B1 FR 2654887B1 FR 8915175 A FR8915175 A FR 8915175A FR 8915175 A FR8915175 A FR 8915175A FR 2654887 B1 FR2654887 B1 FR 2654887B1
Authority
FR
France
Prior art keywords
different resolutions
television images
compatible encoding
decoding television
decoding
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 - Lifetime
Application number
FR8915175A
Other languages
English (en)
Other versions
FR2654887A1 (fr
Inventor
Pecot Michel
Thomas Yann
Tourtier Philippe
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR8915175A priority Critical patent/FR2654887B1/fr
Priority to FR9004816A priority patent/FR2661062A2/fr
Publication of FR2654887A1 publication Critical patent/FR2654887A1/fr
Application granted granted Critical
Publication of FR2654887B1 publication Critical patent/FR2654887B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
FR8915175A 1989-11-20 1989-11-20 Procede et dispositif de codage et de decodage compatibles d'images de television de resolutions differentes. Expired - Lifetime FR2654887B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8915175A FR2654887B1 (fr) 1989-11-20 1989-11-20 Procede et dispositif de codage et de decodage compatibles d'images de television de resolutions differentes.
FR9004816A FR2661062A2 (fr) 1989-11-20 1990-04-13 Procede et dispositif de codage et de decodage compatible d'images de television de resolutions differentes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8915175A FR2654887B1 (fr) 1989-11-20 1989-11-20 Procede et dispositif de codage et de decodage compatibles d'images de television de resolutions differentes.

Publications (2)

Publication Number Publication Date
FR2654887A1 FR2654887A1 (fr) 1991-05-24
FR2654887B1 true FR2654887B1 (fr) 1995-06-16

Family

ID=9387546

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8915175A Expired - Lifetime FR2654887B1 (fr) 1989-11-20 1989-11-20 Procede et dispositif de codage et de decodage compatibles d'images de television de resolutions differentes.

Country Status (1)

Country Link
FR (1) FR2654887B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2677836B1 (fr) * 1991-06-11 1997-08-29 Thomson Csf Codeur-decodeur sous bandes de signaux de television a niveaux compatibilite differents.
NL9101080A (nl) * 1991-06-24 1993-01-18 Koninkl Philips Electronics Nv Inrichting voor het splitsen van een digitaal geinterlinieerd televisie signaal in componenten.
JPH05250813A (ja) * 1992-03-04 1993-09-28 Pioneer Video Corp 記録媒体及びその情報記録再生システム
JPH0638198A (ja) * 1992-05-19 1994-02-10 Sony Corp 画像信号伝送装置及び画像信号伝送方法
FR2715527B1 (fr) * 1994-01-21 1996-02-23 Thomson Csf Procédé et dispositif d'analyse et de synthèse en sous bandes adaptatifs.
GB2318244B (en) * 1996-10-09 2000-09-27 Sony Uk Ltd Motion predicted image signal compression

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1000258A6 (nl) * 1987-01-16 1988-09-27 Bell Telephone Mfg Informatie-overdrachtsysteem.
NL8701261A (nl) * 1987-05-27 1988-12-16 Philips Nv Televisie-overdrachtsysteem met pyramidale kodeer/dekodeerschakeling.
US4829378A (en) * 1988-06-09 1989-05-09 Bell Communications Research, Inc. Sub-band coding of images with low computational complexity

Also Published As

Publication number Publication date
FR2654887A1 (fr) 1991-05-24

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Legal Events

Date Code Title Description
TP Transmission of property