JPS55120266A - High-density picture-element forecasting restoring method - Google Patents

High-density picture-element forecasting restoring method

Info

Publication number
JPS55120266A
JPS55120266A JP2770279A JP2770279A JPS55120266A JP S55120266 A JPS55120266 A JP S55120266A JP 2770279 A JP2770279 A JP 2770279A JP 2770279 A JP2770279 A JP 2770279A JP S55120266 A JPS55120266 A JP S55120266A
Authority
JP
Japan
Prior art keywords
density
picture
picture element
marked
black
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
JP2770279A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0120834B2 (enExample
Inventor
Keiji Sekikawa
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 JP2770279A priority Critical patent/JPS55120266A/ja
Publication of JPS55120266A publication Critical patent/JPS55120266A/ja
Publication of JPH0120834B2 publication Critical patent/JPH0120834B2/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
    • H04N1/40—Picture signal circuits
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
JP2770279A 1979-03-12 1979-03-12 High-density picture-element forecasting restoring method Granted JPS55120266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2770279A JPS55120266A (en) 1979-03-12 1979-03-12 High-density picture-element forecasting restoring method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2770279A JPS55120266A (en) 1979-03-12 1979-03-12 High-density picture-element forecasting restoring method

Publications (2)

Publication Number Publication Date
JPS55120266A true JPS55120266A (en) 1980-09-16
JPH0120834B2 JPH0120834B2 (enExample) 1989-04-18

Family

ID=12228307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2770279A Granted JPS55120266A (en) 1979-03-12 1979-03-12 High-density picture-element forecasting restoring method

Country Status (1)

Country Link
JP (1) JPS55120266A (enExample)

Also Published As

Publication number Publication date
JPH0120834B2 (enExample) 1989-04-18

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