FR2339304A1 - IMAGE SIGNAL BANDWIDTH REDUCTION SYSTEM - Google Patents

IMAGE SIGNAL BANDWIDTH REDUCTION SYSTEM

Info

Publication number
FR2339304A1
FR2339304A1 FR7701513A FR7701513A FR2339304A1 FR 2339304 A1 FR2339304 A1 FR 2339304A1 FR 7701513 A FR7701513 A FR 7701513A FR 7701513 A FR7701513 A FR 7701513A FR 2339304 A1 FR2339304 A1 FR 2339304A1
Authority
FR
France
Prior art keywords
image signal
reduction system
signal bandwidth
bandwidth reduction
image
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.)
Granted
Application number
FR7701513A
Other languages
French (fr)
Other versions
FR2339304B1 (en
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.)
Kyocera Mita Industrial Co Ltd
Original Assignee
Mita Industrial Co Ltd
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 Mita Industrial Co Ltd filed Critical Mita Industrial Co Ltd
Publication of FR2339304A1 publication Critical patent/FR2339304A1/en
Application granted granted Critical
Publication of FR2339304B1 publication Critical patent/FR2339304B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/415—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which the picture-elements are subdivided or grouped into fixed one-dimensional or two-dimensional blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR7701513A 1976-01-24 1977-01-20 IMAGE SIGNAL BANDWIDTH REDUCTION SYSTEM Granted FR2339304A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP687676A JPS5290216A (en) 1976-01-24 1976-01-24 Picture signal band compressing method

Publications (2)

Publication Number Publication Date
FR2339304A1 true FR2339304A1 (en) 1977-08-19
FR2339304B1 FR2339304B1 (en) 1981-08-21

Family

ID=11650416

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7701513A Granted FR2339304A1 (en) 1976-01-24 1977-01-20 IMAGE SIGNAL BANDWIDTH REDUCTION SYSTEM

Country Status (4)

Country Link
JP (1) JPS5290216A (en)
DE (1) DE2702746C3 (en)
FR (1) FR2339304A1 (en)
GB (1) GB1570914A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1128645A (en) * 1978-07-31 1982-07-27 Yasuhiro Yamazaki Transmission method and system for facsimile signal
CA1128646A (en) * 1978-11-22 1982-07-27 Yasuhiro Yamazaki Coding method for facsimile signal
JPS59178077A (en) * 1983-03-28 1984-10-09 Dainippon Screen Mfg Co Ltd Method for compressing data of binary picture
DE4028927A1 (en) * 1990-08-07 1992-02-13 Dirr Josef Coding and transmission of originals and images - combines code elements of several lines or channels into code word

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1409365A (en) * 1972-02-17 1975-10-08 Dacom Inc Dual-line data compression method and system for compressing transmitting and reproducing facsimile data
JPS4968612A (en) * 1972-11-04 1974-07-03
JPS5016420A (en) * 1973-06-08 1975-02-21

Also Published As

Publication number Publication date
DE2702746C3 (en) 1981-11-12
DE2702746A1 (en) 1977-08-04
DE2702746B2 (en) 1981-01-29
FR2339304B1 (en) 1981-08-21
JPS5290216A (en) 1977-07-29
GB1570914A (en) 1980-07-09

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Legal Events

Date Code Title Description
ST Notification of lapse