JPS59189783A - 画像処理装置 - Google Patents

画像処理装置

Info

Publication number
JPS59189783A
JPS59189783A JP58063013A JP6301383A JPS59189783A JP S59189783 A JPS59189783 A JP S59189783A JP 58063013 A JP58063013 A JP 58063013A JP 6301383 A JP6301383 A JP 6301383A JP S59189783 A JPS59189783 A JP S59189783A
Authority
JP
Japan
Prior art keywords
level
background
image signal
line
threshold level
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
JP58063013A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0475703B2 (enrdf_load_stackoverflow
Inventor
Masanori Yamada
山田　昌敬
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP58063013A priority Critical patent/JPS59189783A/ja
Priority to DE3413651A priority patent/DE3413651C3/de
Publication of JPS59189783A publication Critical patent/JPS59189783A/ja
Priority to US07/289,520 priority patent/US4941188A/en
Publication of JPH0475703B2 publication Critical patent/JPH0475703B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Image Input (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP58063013A 1983-04-12 1983-04-12 画像処理装置 Granted JPS59189783A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP58063013A JPS59189783A (ja) 1983-04-12 1983-04-12 画像処理装置
DE3413651A DE3413651C3 (de) 1983-04-12 1984-04-11 Bildsignalverarbeitungsgerät
US07/289,520 US4941188A (en) 1983-04-12 1988-12-27 Image signal processing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58063013A JPS59189783A (ja) 1983-04-12 1983-04-12 画像処理装置

Publications (2)

Publication Number Publication Date
JPS59189783A true JPS59189783A (ja) 1984-10-27
JPH0475703B2 JPH0475703B2 (enrdf_load_stackoverflow) 1992-12-01

Family

ID=13217007

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58063013A Granted JPS59189783A (ja) 1983-04-12 1983-04-12 画像処理装置

Country Status (1)

Country Link
JP (1) JPS59189783A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61148972A (ja) * 1984-12-24 1986-07-07 Hitachi Ltd 画像読取装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61148972A (ja) * 1984-12-24 1986-07-07 Hitachi Ltd 画像読取装置

Also Published As

Publication number Publication date
JPH0475703B2 (enrdf_load_stackoverflow) 1992-12-01

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