JPS5785180A - Graphic form recognizing method and its device - Google Patents

Graphic form recognizing method and its device

Info

Publication number
JPS5785180A
JPS5785180A JP55161719A JP16171980A JPS5785180A JP S5785180 A JPS5785180 A JP S5785180A JP 55161719 A JP55161719 A JP 55161719A JP 16171980 A JP16171980 A JP 16171980A JP S5785180 A JPS5785180 A JP S5785180A
Authority
JP
Japan
Prior art keywords
pattern
level
binary
mask pattern
mask
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
JP55161719A
Other languages
English (en)
Other versions
JPS6360432B2 (ja
Inventor
Tetsuo Hizuka
Masahito Nakajima
Yushi Inagaki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP55161719A priority Critical patent/JPS5785180A/ja
Publication of JPS5785180A publication Critical patent/JPS5785180A/ja
Publication of JPS6360432B2 publication Critical patent/JPS6360432B2/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
    • G06V10/20—Image preprocessing
    • G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
JP55161719A 1980-11-17 1980-11-17 Graphic form recognizing method and its device Granted JPS5785180A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55161719A JPS5785180A (en) 1980-11-17 1980-11-17 Graphic form recognizing method and its device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55161719A JPS5785180A (en) 1980-11-17 1980-11-17 Graphic form recognizing method and its device

Publications (2)

Publication Number Publication Date
JPS5785180A true JPS5785180A (en) 1982-05-27
JPS6360432B2 JPS6360432B2 (ja) 1988-11-24

Family

ID=15740572

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55161719A Granted JPS5785180A (en) 1980-11-17 1980-11-17 Graphic form recognizing method and its device

Country Status (1)

Country Link
JP (1) JPS5785180A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62262192A (ja) * 1986-05-07 1987-11-14 Datsuku Eng Kk マ−ク検査方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5566068A (en) * 1978-11-10 1980-05-19 Hajime Sangyo Kk Pattern discrimination method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5566068A (en) * 1978-11-10 1980-05-19 Hajime Sangyo Kk Pattern discrimination method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62262192A (ja) * 1986-05-07 1987-11-14 Datsuku Eng Kk マ−ク検査方法

Also Published As

Publication number Publication date
JPS6360432B2 (ja) 1988-11-24

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