JPS54102142A - Picture image restoration method in dot picture image - Google Patents

Picture image restoration method in dot picture image

Info

Publication number
JPS54102142A
JPS54102142A JP907778A JP907778A JPS54102142A JP S54102142 A JPS54102142 A JP S54102142A JP 907778 A JP907778 A JP 907778A JP 907778 A JP907778 A JP 907778A JP S54102142 A JPS54102142 A JP S54102142A
Authority
JP
Japan
Prior art keywords
main picture
picture elements
picture element
sub
main
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.)
Pending
Application number
JP907778A
Other languages
Japanese (ja)
Inventor
Takaaki Miyashita
Morisumi Kurose
Koichi Ejiri
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 JP907778A priority Critical patent/JPS54102142A/en
Publication of JPS54102142A publication Critical patent/JPS54102142A/en
Pending legal-status Critical Current

Links

Landscapes

  • Dot-Matrix Printers And Others (AREA)
  • Fax Reproducing Arrangements (AREA)

Abstract

PURPOSE: To realize smooth expression of oblique lines, by disposing the sub-picture elements obtained by dividing the main picture elements displayed by dots into 4 divisions in triangular forms in the intervals of the main picture element arrangement taking the state of the main picture elements into consideration, and scanning one line each.
CONSTITUTION: In a picture image signal reproducing device displaying the pitcture image signals with dots, a main picture element A and sub-picture elements B which are obtained by dividing said main picture elements into four triangular sub-picture elements S1 to S4 are used, and the sub-picture elements S1 to S4 are disposed in the space of the arrangement of the main picture element A, and the oblique lines are smoothly expressed by taking the state of the main picture element A into consideration. Lines are scanned individually for lines X1, X2, X3. In line X3 which is being scanned presently, when dots are written in "8" of the main picture element A, the information of picture elements at five positions 2, 4, 5, 6, and 8 of the main picture element A determines the shape of the sub-picture elements S1 to S4 at "5" of the main picture element A. When the position "5" of the main picture element A is at black level, it is unnecessary to write sub-picture elements S1 to S4 for position "5" of the main picture element A.
COPYRIGHT: (C)1979,JPO&Japio
JP907778A 1978-01-30 1978-01-30 Picture image restoration method in dot picture image Pending JPS54102142A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP907778A JPS54102142A (en) 1978-01-30 1978-01-30 Picture image restoration method in dot picture image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP907778A JPS54102142A (en) 1978-01-30 1978-01-30 Picture image restoration method in dot picture image

Publications (1)

Publication Number Publication Date
JPS54102142A true JPS54102142A (en) 1979-08-11

Family

ID=11710543

Family Applications (1)

Application Number Title Priority Date Filing Date
JP907778A Pending JPS54102142A (en) 1978-01-30 1978-01-30 Picture image restoration method in dot picture image

Country Status (1)

Country Link
JP (1) JPS54102142A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60251761A (en) * 1984-05-17 1985-12-12 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション Electrophotographic printer
US6016154A (en) * 1991-07-10 2000-01-18 Fujitsu Limited Image forming apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60251761A (en) * 1984-05-17 1985-12-12 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション Electrophotographic printer
JPH0362154B2 (en) * 1984-05-17 1991-09-25 Intaanashonaru Bijinesu Mashiinzu Corp
US6016154A (en) * 1991-07-10 2000-01-18 Fujitsu Limited Image forming apparatus

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