IT1073358B - IMAGE CODER-DECODER USING A TRANSFORMATION MATRIX WITH THE BALANCED CONTRIBUTION OF MORE POINTS OF THE IMAGE FOR THE FORMATION OF A POINT OF THE TRANSFORMATION - Google Patents

IMAGE CODER-DECODER USING A TRANSFORMATION MATRIX WITH THE BALANCED CONTRIBUTION OF MORE POINTS OF THE IMAGE FOR THE FORMATION OF A POINT OF THE TRANSFORMATION

Info

Publication number
IT1073358B
IT1073358B IT2852876A IT2852876A IT1073358B IT 1073358 B IT1073358 B IT 1073358B IT 2852876 A IT2852876 A IT 2852876A IT 2852876 A IT2852876 A IT 2852876A IT 1073358 B IT1073358 B IT 1073358B
Authority
IT
Italy
Prior art keywords
image
transformation
decoder
points
formation
Prior art date
Application number
IT2852876A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1073358B publication Critical patent/IT1073358B/en

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)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IT2852876A 1975-10-24 1976-10-21 IMAGE CODER-DECODER USING A TRANSFORMATION MATRIX WITH THE BALANCED CONTRIBUTION OF MORE POINTS OF THE IMAGE FOR THE FORMATION OF A POINT OF THE TRANSFORMATION IT1073358B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7532628A FR2329124A1 (en) 1975-10-24 1975-10-24 MATRIX-TRANSFORMED IMAGE ENCODER-DECODER WITH WEIGHTING OF THE CONTRIBUTIONS OF THE IMAGE POINTS TO THE FORMATION OF THE TRANSFORMATION

Publications (1)

Publication Number Publication Date
IT1073358B true IT1073358B (en) 1985-04-17

Family

ID=9161629

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2852876A IT1073358B (en) 1975-10-24 1976-10-21 IMAGE CODER-DECODER USING A TRANSFORMATION MATRIX WITH THE BALANCED CONTRIBUTION OF MORE POINTS OF THE IMAGE FOR THE FORMATION OF A POINT OF THE TRANSFORMATION

Country Status (9)

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

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
DE2963153D1 (en) * 1978-06-26 1982-08-12 Environmental Res Inst Apparatus and method for generating a transformation of a first data matrix to form a second data matrix
ATE25177T1 (en) * 1982-10-14 1987-02-15 British Telecomm IMAGE TRANSMISSION.
JPS60153264A (en) * 1984-01-20 1985-08-12 Ricoh Co Ltd Transmission system of half tone picture
ATE51991T1 (en) * 1984-05-21 1990-04-15 Siemens Ag METHOD OF TRANSMISSION OF TELEVISION PICTURES.
FR2606187B1 (en) * 1986-10-31 1988-12-09 Thomson Grand Public METHOD AND DEVICE FOR REDUCING THE NOISE GENERATED BY A DIGITAL IMAGE ENCODER-DECODER

Also Published As

Publication number Publication date
DE2647774B2 (en) 1980-06-26
DE2647774A1 (en) 1977-04-28
GB1527276A (en) 1978-10-04
DE2647774C3 (en) 1981-07-09
PL108988B1 (en) 1980-05-31
CA1089100A (en) 1980-11-04
FR2329124A1 (en) 1977-05-20
FR2329124B1 (en) 1981-01-02
PL193216A1 (en) 1978-01-30
SU784816A3 (en) 1980-11-30
MX144485A (en) 1981-10-20
BR7607077A (en) 1977-09-06

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