JPS53118941A - Preprocessing unit for picture - Google Patents

Preprocessing unit for picture

Info

Publication number
JPS53118941A
JPS53118941A JP3338777A JP3338777A JPS53118941A JP S53118941 A JPS53118941 A JP S53118941A JP 3338777 A JP3338777 A JP 3338777A JP 3338777 A JP3338777 A JP 3338777A JP S53118941 A JPS53118941 A JP S53118941A
Authority
JP
Japan
Prior art keywords
picture
preprocessing unit
masks
emphasized
lines
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
JP3338777A
Other languages
Japanese (ja)
Inventor
Shigeru Kakumoto
Shunichi Yajima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3338777A priority Critical patent/JPS53118941A/en
Publication of JPS53118941A publication Critical patent/JPS53118941A/en
Pending legal-status Critical Current

Links

Landscapes

  • Image Processing (AREA)

Abstract

PURPOSE:To simultaneously emphasize the lines having line widths of a plurality of types, by performing filtering process through the use of a plural number of masks in response to the line width to be emphasized.
JP3338777A 1977-03-28 1977-03-28 Preprocessing unit for picture Pending JPS53118941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3338777A JPS53118941A (en) 1977-03-28 1977-03-28 Preprocessing unit for picture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3338777A JPS53118941A (en) 1977-03-28 1977-03-28 Preprocessing unit for picture

Publications (1)

Publication Number Publication Date
JPS53118941A true JPS53118941A (en) 1978-10-17

Family

ID=12385172

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3338777A Pending JPS53118941A (en) 1977-03-28 1977-03-28 Preprocessing unit for picture

Country Status (1)

Country Link
JP (1) JPS53118941A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62130465A (en) * 1985-12-03 1987-06-12 Matsushita Electric Ind Co Ltd Personal collation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62130465A (en) * 1985-12-03 1987-06-12 Matsushita Electric Ind Co Ltd Personal collation device

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