JPH0140545B2 - - Google Patents

Info

Publication number
JPH0140545B2
JPH0140545B2 JP56018686A JP1868681A JPH0140545B2 JP H0140545 B2 JPH0140545 B2 JP H0140545B2 JP 56018686 A JP56018686 A JP 56018686A JP 1868681 A JP1868681 A JP 1868681A JP H0140545 B2 JPH0140545 B2 JP H0140545B2
Authority
JP
Japan
Prior art keywords
processing
pixels
output
mesh
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.)
Expired
Application number
JP56018686A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57132474A (en
Inventor
Hiroshi Makino
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP56018686A priority Critical patent/JPS57132474A/ja
Publication of JPS57132474A publication Critical patent/JPS57132474A/ja
Publication of JPH0140545B2 publication Critical patent/JPH0140545B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/40Picture signal circuits
    • H04N1/40062Discrimination between different image types, e.g. two-tone, continuous tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimiles In General (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP56018686A 1981-02-10 1981-02-10 Discriminating method for intermediate tone picture Granted JPS57132474A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56018686A JPS57132474A (en) 1981-02-10 1981-02-10 Discriminating method for intermediate tone picture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56018686A JPS57132474A (en) 1981-02-10 1981-02-10 Discriminating method for intermediate tone picture

Publications (2)

Publication Number Publication Date
JPS57132474A JPS57132474A (en) 1982-08-16
JPH0140545B2 true JPH0140545B2 (fr) 1989-08-29

Family

ID=11978487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56018686A Granted JPS57132474A (en) 1981-02-10 1981-02-10 Discriminating method for intermediate tone picture

Country Status (1)

Country Link
JP (1) JPS57132474A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6180962A (ja) * 1984-09-28 1986-04-24 Fuji Xerox Co Ltd 画信号処理装置

Also Published As

Publication number Publication date
JPS57132474A (en) 1982-08-16

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