JPH0317272B2 - - Google Patents

Info

Publication number
JPH0317272B2
JPH0317272B2 JP59018701A JP1870184A JPH0317272B2 JP H0317272 B2 JPH0317272 B2 JP H0317272B2 JP 59018701 A JP59018701 A JP 59018701A JP 1870184 A JP1870184 A JP 1870184A JP H0317272 B2 JPH0317272 B2 JP H0317272B2
Authority
JP
Japan
Prior art keywords
signal
reference level
density reference
image signal
level signal
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.)
Expired - Lifetime
Application number
JP59018701A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60163574A (ja
Inventor
Hideyuki Hanaoka
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.)
Panasonic System Solutions Japan Co Ltd
Original Assignee
Matsushita Graphic Communication Systems Inc
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 Matsushita Graphic Communication Systems Inc filed Critical Matsushita Graphic Communication Systems Inc
Priority to JP59018701A priority Critical patent/JPS60163574A/ja
Publication of JPS60163574A publication Critical patent/JPS60163574A/ja
Publication of JPH0317272B2 publication Critical patent/JPH0317272B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Facsimile Image Signal Circuits (AREA)
JP59018701A 1984-02-03 1984-02-03 画像信号２値化装置 Granted JPS60163574A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59018701A JPS60163574A (ja) 1984-02-03 1984-02-03 画像信号２値化装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59018701A JPS60163574A (ja) 1984-02-03 1984-02-03 画像信号２値化装置

Publications (2)

Publication Number Publication Date
JPS60163574A JPS60163574A (ja) 1985-08-26
JPH0317272B2 true JPH0317272B2 (cs) 1991-03-07

Family

ID=11978935

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59018701A Granted JPS60163574A (ja) 1984-02-03 1984-02-03 画像信号２値化装置

Country Status (1)

Country Link
JP (1) JPS60163574A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2655644B2 (ja) * 1987-06-08 1997-09-24 キヤノン株式会社 フアクシミリ装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52115614A (en) * 1976-03-24 1977-09-28 Mitsubishi Electric Corp Threshold value setting method for binary circuit
JPS58104571A (ja) * 1981-12-16 1983-06-22 Matsushita Graphic Commun Syst Inc 画信号２値化方式

Also Published As

Publication number Publication date
JPS60163574A (ja) 1985-08-26

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