JPS57140069A - Coder for video signal - Google Patents

Coder for video signal

Info

Publication number
JPS57140069A
JPS57140069A JP56024836A JP2483681A JPS57140069A JP S57140069 A JPS57140069 A JP S57140069A JP 56024836 A JP56024836 A JP 56024836A JP 2483681 A JP2483681 A JP 2483681A JP S57140069 A JPS57140069 A JP S57140069A
Authority
JP
Japan
Prior art keywords
signal
time series
converted
signal line
intermediate tone
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
JP56024836A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6325748B2 (enrdf_load_stackoverflow
Inventor
Kazumoto Iinuma
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP56024836A priority Critical patent/JPS57140069A/ja
Priority to CA000396803A priority patent/CA1175556A/en
Priority to US06/351,678 priority patent/US4475127A/en
Publication of JPS57140069A publication Critical patent/JPS57140069A/ja
Publication of JPS6325748B2 publication Critical patent/JPS6325748B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00Image coding
    • G06T9/005Statistical coding, e.g. Huffman, run length coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41Bandwidth or redundancy reduction
    • H04N1/4105Bandwidth or redundancy reduction for halftone screened pictures

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
JP56024836A 1981-02-24 1981-02-24 Coder for video signal Granted JPS57140069A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56024836A JPS57140069A (en) 1981-02-24 1981-02-24 Coder for video signal
CA000396803A CA1175556A (en) 1981-02-24 1982-02-23 System for transmitting a video signal with short runs avoided in a signal encoded from the video signal
US06/351,678 US4475127A (en) 1981-02-24 1982-02-23 System for transmitting a video signal with short runs avoided in a signal encoded from the video signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56024836A JPS57140069A (en) 1981-02-24 1981-02-24 Coder for video signal

Publications (2)

Publication Number Publication Date
JPS57140069A true JPS57140069A (en) 1982-08-30
JPS6325748B2 JPS6325748B2 (enrdf_load_stackoverflow) 1988-05-26

Family

ID=12149284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56024836A Granted JPS57140069A (en) 1981-02-24 1981-02-24 Coder for video signal

Country Status (1)

Country Link
JP (1) JPS57140069A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04154373A (ja) * 1990-10-18 1992-05-27 Nec Corp ファクシミリ装置
JPH04268877A (ja) * 1991-02-22 1992-09-24 Nec Eng Ltd 二値画像データ符号化処理装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04154373A (ja) * 1990-10-18 1992-05-27 Nec Corp ファクシミリ装置
JPH04268877A (ja) * 1991-02-22 1992-09-24 Nec Eng Ltd 二値画像データ符号化処理装置

Also Published As

Publication number Publication date
JPS6325748B2 (enrdf_load_stackoverflow) 1988-05-26

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