JPS5810959A - 画信号処理装置 - Google Patents

画信号処理装置

Info

Publication number
JPS5810959A
JPS5810959A JP56107582A JP10758281A JPS5810959A JP S5810959 A JPS5810959 A JP S5810959A JP 56107582 A JP56107582 A JP 56107582A JP 10758281 A JP10758281 A JP 10758281A JP S5810959 A JPS5810959 A JP S5810959A
Authority
JP
Japan
Prior art keywords
pixels
image signal
signal processing
slice level
output
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
JP56107582A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0354505B2 (enrdf_load_stackoverflow
Inventor
Eiji Kamijo
上條　英二
Noboru Murayama
村山　登
Tomohiko Ando
安藤　友彦
Sho Taniguchi
谷口　捷
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 JP56107582A priority Critical patent/JPS5810959A/ja
Priority to DE19823226034 priority patent/DE3226034C2/de
Publication of JPS5810959A publication Critical patent/JPS5810959A/ja
Publication of JPH0354505B2 publication Critical patent/JPH0354505B2/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
    • H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP56107582A 1981-07-11 1981-07-11 画信号処理装置 Granted JPS5810959A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56107582A JPS5810959A (ja) 1981-07-11 1981-07-11 画信号処理装置
DE19823226034 DE3226034C2 (de) 1981-07-11 1982-07-12 Verfahren zur Verarbeitung eines Halbtonbildes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56107582A JPS5810959A (ja) 1981-07-11 1981-07-11 画信号処理装置

Publications (2)

Publication Number Publication Date
JPS5810959A true JPS5810959A (ja) 1983-01-21
JPH0354505B2 JPH0354505B2 (enrdf_load_stackoverflow) 1991-08-20

Family

ID=14462814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56107582A Granted JPS5810959A (ja) 1981-07-11 1981-07-11 画信号処理装置

Country Status (1)

Country Link
JP (1) JPS5810959A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0354505B2 (enrdf_load_stackoverflow) 1991-08-20

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