MX144485A - Mejoras en sistema para codificar y descodificar imagenes usando una transformacion matricial - Google Patents

Mejoras en sistema para codificar y descodificar imagenes usando una transformacion matricial

Info

Publication number
MX144485A
MX144485A MX16677276A MX16677276A MX144485A MX 144485 A MX144485 A MX 144485A MX 16677276 A MX16677276 A MX 16677276A MX 16677276 A MX16677276 A MX 16677276A MX 144485 A MX144485 A MX 144485A
Authority
MX
Mexico
Prior art keywords
coding
matrix transformation
decoding images
decoding
images
Prior art date
Application number
MX16677276A
Other languages
English (en)
Spanish (es)
Inventor
Jean Claude Jolivet
Francois Xavier Stouls
Original Assignee
Telecommunications 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 Telecommunications Sa filed Critical Telecommunications Sa
Publication of MX144485A publication Critical patent/MX144485A/es

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
MX16677276A 1975-10-24 1976-10-25 Mejoras en sistema para codificar y descodificar imagenes usando una transformacion matricial MX144485A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7532628A FR2329124A1 (fr) 1975-10-24 1975-10-24 Codeur-decodeur d'images a transformee matricielle avec ponderation des contributions des points de l'image a la formation de la transformee

Publications (1)

Publication Number Publication Date
MX144485A true MX144485A (es) 1981-10-20

Family

ID=9161629

Family Applications (1)

Application Number Title Priority Date Filing Date
MX16677276A MX144485A (es) 1975-10-24 1976-10-25 Mejoras en sistema para codificar y descodificar imagenes usando una transformacion matricial

Country Status (9)

Country Link
BR (1) BR7607077A (de)
CA (1) CA1089100A (de)
DE (1) DE2647774C3 (de)
FR (1) FR2329124A1 (de)
GB (1) GB1527276A (de)
IT (1) IT1073358B (de)
MX (1) MX144485A (de)
PL (1) PL108988B1 (de)
SU (1) SU784816A3 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2009568B (en) * 1977-11-28 1982-03-24 Nippon Telegraph & Telephone Picture signal coding apparatus
EP0006748B1 (de) * 1978-06-26 1982-06-23 Environmental Research Institute Of Michigan Vorrichtung und Verfahren zur Erzeugung einer Transformation einer ersten Datenmatrix zur Bildung einer zweiten Datenmatrix
EP0107426B1 (de) * 1982-10-14 1987-01-21 British Telecommunications Bildübertragung
JPS60153264A (ja) * 1984-01-20 1985-08-12 Ricoh Co Ltd 中間調画像伝送方式
DE3577172D1 (de) * 1984-05-21 1990-05-17 Siemens Ag Verfahren zur uebertragung von fernsehbildern.
FR2606187B1 (fr) * 1986-10-31 1988-12-09 Thomson Grand Public Procede et dispositif de reduction du bruit engendre par un codeur-decodeur d'images numeriques operant par blocs

Also Published As

Publication number Publication date
IT1073358B (it) 1985-04-17
DE2647774B2 (de) 1980-06-26
DE2647774C3 (de) 1981-07-09
BR7607077A (pt) 1977-09-06
FR2329124B1 (de) 1981-01-02
PL108988B1 (en) 1980-05-31
GB1527276A (en) 1978-10-04
DE2647774A1 (de) 1977-04-28
PL193216A1 (pl) 1978-01-30
FR2329124A1 (fr) 1977-05-20
SU784816A3 (ru) 1980-11-30
CA1089100A (en) 1980-11-04

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