JPS57176481A - Discriminating method for medium contrast picture - Google Patents

Discriminating method for medium contrast picture

Info

Publication number
JPS57176481A
JPS57176481A JP56061880A JP6188081A JPS57176481A JP S57176481 A JPS57176481 A JP S57176481A JP 56061880 A JP56061880 A JP 56061880A JP 6188081 A JP6188081 A JP 6188081A JP S57176481 A JPS57176481 A JP S57176481A
Authority
JP
Japan
Prior art keywords
bits
column
bit
medium contrast
picture
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
JP56061880A
Other languages
English (en)
Other versions
JPS6353586B2 (ja
Inventor
Morizumi Kurose
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 JP56061880A priority Critical patent/JPS57176481A/ja
Publication of JPS57176481A publication Critical patent/JPS57176481A/ja
Publication of JPS6353586B2 publication Critical patent/JPS6353586B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimiles In General (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Analysis (AREA)
JP56061880A 1981-04-22 1981-04-22 Discriminating method for medium contrast picture Granted JPS57176481A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56061880A JPS57176481A (en) 1981-04-22 1981-04-22 Discriminating method for medium contrast picture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56061880A JPS57176481A (en) 1981-04-22 1981-04-22 Discriminating method for medium contrast picture

Publications (2)

Publication Number Publication Date
JPS57176481A true JPS57176481A (en) 1982-10-29
JPS6353586B2 JPS6353586B2 (ja) 1988-10-24

Family

ID=13183889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56061880A Granted JPS57176481A (en) 1981-04-22 1981-04-22 Discriminating method for medium contrast picture

Country Status (1)

Country Link
JP (1) JPS57176481A (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6066575A (ja) * 1983-09-22 1985-04-16 Canon Inc 画像処理装置
JPS6066576A (ja) * 1983-09-22 1985-04-16 Canon Inc 画像処理装置
JPS60136477A (ja) * 1983-12-26 1985-07-19 Canon Inc 画調識別方法
JPS60136478A (ja) * 1983-12-26 1985-07-19 Canon Inc 画調識別方法
JPS614368A (ja) * 1984-06-19 1986-01-10 Canon Inc 画像処理装置
JPS6179372A (ja) * 1984-09-27 1986-04-22 Canon Inc 画像処理装置
JPS62107570A (ja) * 1985-11-05 1987-05-18 Canon Inc 画調識別装置

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6066575A (ja) * 1983-09-22 1985-04-16 Canon Inc 画像処理装置
JPS6066576A (ja) * 1983-09-22 1985-04-16 Canon Inc 画像処理装置
JPS60136477A (ja) * 1983-12-26 1985-07-19 Canon Inc 画調識別方法
JPS60136478A (ja) * 1983-12-26 1985-07-19 Canon Inc 画調識別方法
JPH0550187B2 (ja) * 1983-12-26 1993-07-28 Canon Kk
JPH0556067B2 (ja) * 1983-12-26 1993-08-18 Canon Kk
JPS614368A (ja) * 1984-06-19 1986-01-10 Canon Inc 画像処理装置
JPS6179372A (ja) * 1984-09-27 1986-04-22 Canon Inc 画像処理装置
JPS62107570A (ja) * 1985-11-05 1987-05-18 Canon Inc 画調識別装置

Also Published As

Publication number Publication date
JPS6353586B2 (ja) 1988-10-24

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