JPS5646363A - Coding circuit for video signal - Google Patents

Coding circuit for video signal

Info

Publication number
JPS5646363A
JPS5646363A JP12293079A JP12293079A JPS5646363A JP S5646363 A JPS5646363 A JP S5646363A JP 12293079 A JP12293079 A JP 12293079A JP 12293079 A JP12293079 A JP 12293079A JP S5646363 A JPS5646363 A JP S5646363A
Authority
JP
Japan
Prior art keywords
video element
coding
changed video
specified value
changed
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
JP12293079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS647539B2 (enExample
Inventor
Kiyoshi Kobayashi
Koichi Ooya
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP12293079A priority Critical patent/JPS5646363A/ja
Publication of JPS5646363A publication Critical patent/JPS5646363A/ja
Publication of JPS647539B2 publication Critical patent/JPS647539B2/ja
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
    • H04N1/417—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding
    • H04N1/4175—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding involving the encoding of tone transitions with respect to tone transitions in a reference line

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP12293079A 1979-09-25 1979-09-25 Coding circuit for video signal Granted JPS5646363A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12293079A JPS5646363A (en) 1979-09-25 1979-09-25 Coding circuit for video signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12293079A JPS5646363A (en) 1979-09-25 1979-09-25 Coding circuit for video signal

Publications (2)

Publication Number Publication Date
JPS5646363A true JPS5646363A (en) 1981-04-27
JPS647539B2 JPS647539B2 (enExample) 1989-02-09

Family

ID=14848122

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12293079A Granted JPS5646363A (en) 1979-09-25 1979-09-25 Coding circuit for video signal

Country Status (1)

Country Link
JP (1) JPS5646363A (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5130418A (en) * 1974-09-09 1976-03-15 Kokusai Denshin Denwa Co Ltd Fuakushimirishingo no johohenkagasoadoresufugokahoshiki

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5130418A (en) * 1974-09-09 1976-03-15 Kokusai Denshin Denwa Co Ltd Fuakushimirishingo no johohenkagasoadoresufugokahoshiki

Also Published As

Publication number Publication date
JPS647539B2 (enExample) 1989-02-09

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