JPS569880A - Pattern picture-element decision unit - Google Patents

Pattern picture-element decision unit

Info

Publication number
JPS569880A
JPS569880A JP8545279A JP8545279A JPS569880A JP S569880 A JPS569880 A JP S569880A JP 8545279 A JP8545279 A JP 8545279A JP 8545279 A JP8545279 A JP 8545279A JP S569880 A JPS569880 A JP S569880A
Authority
JP
Japan
Prior art keywords
picture
picture elements
decision
circuit
pattern
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
JP8545279A
Other languages
Japanese (ja)
Other versions
JPS5851302B2 (en
Inventor
Ryuichi Kawai
Yoshiyasu Kikuchi
Kazunari Nakane
Hirotaka Nakano
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
NTT Inc
Original Assignee
NEC Corp
Nippon Telegraph and Telephone 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 Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP54085452A priority Critical patent/JPS5851302B2/en
Publication of JPS569880A publication Critical patent/JPS569880A/en
Publication of JPS5851302B2 publication Critical patent/JPS5851302B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Image Processing (AREA)

Abstract

PURPOSE:To obtain a contracted pattern picture of superior quality by determining the states of contracted pattern picture elements by the states of a series picture elements and adjacent picture elements by a unit that converts the picture of a binary pattern into the contracted pattern picture elements. CONSTITUTION:Once an original picture-element signal constituting a center mask part read out of an original picture memory is input to mask circuit 2, fixed absolute black level T1, absolute white level T0 and decision level Ts supplied from a controller are compared to count value C of counter 22 by comparing circuits 23-25 respectively. Those comparison outputs are input to deciding circuit 26 for deciding picture elements. Therefore, when the decision can not be made by the outputs of comparing circuit 23 and 24 using only the center mask parts, the decision is made by the output of comparing circuit 25 using adjacent mask parts.
JP54085452A 1979-07-05 1979-07-05 Graphic pixel determination device Expired JPS5851302B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54085452A JPS5851302B2 (en) 1979-07-05 1979-07-05 Graphic pixel determination device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54085452A JPS5851302B2 (en) 1979-07-05 1979-07-05 Graphic pixel determination device

Publications (2)

Publication Number Publication Date
JPS569880A true JPS569880A (en) 1981-01-31
JPS5851302B2 JPS5851302B2 (en) 1983-11-15

Family

ID=13859266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54085452A Expired JPS5851302B2 (en) 1979-07-05 1979-07-05 Graphic pixel determination device

Country Status (1)

Country Link
JP (1) JPS5851302B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6367601A (en) * 1986-09-10 1988-03-26 Ohkura Electric Co Ltd Multi-setting type controller

Also Published As

Publication number Publication date
JPS5851302B2 (en) 1983-11-15

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