JPH0221030B2 - - Google Patents

Info

Publication number
JPH0221030B2
JPH0221030B2 JP56046180A JP4618081A JPH0221030B2 JP H0221030 B2 JPH0221030 B2 JP H0221030B2 JP 56046180 A JP56046180 A JP 56046180A JP 4618081 A JP4618081 A JP 4618081A JP H0221030 B2 JPH0221030 B2 JP H0221030B2
Authority
JP
Japan
Prior art keywords
black
contour edge
black bit
pattern
area
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
JP56046180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57161985A (en
Inventor
Katsuhiko Furuya
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP56046180A priority Critical patent/JPS57161985A/ja
Publication of JPS57161985A publication Critical patent/JPS57161985A/ja
Publication of JPH0221030B2 publication Critical patent/JPH0221030B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/182—Extraction of features or characteristics of the image by coding the contour of the pattern
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Heads (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Character Discrimination (AREA)
JP56046180A 1981-03-31 1981-03-31 Characteristic pickup circuit for optical character reader Granted JPS57161985A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56046180A JPS57161985A (en) 1981-03-31 1981-03-31 Characteristic pickup circuit for optical character reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56046180A JPS57161985A (en) 1981-03-31 1981-03-31 Characteristic pickup circuit for optical character reader

Publications (2)

Publication Number Publication Date
JPS57161985A JPS57161985A (en) 1982-10-05
JPH0221030B2 true JPH0221030B2 (enrdf_load_stackoverflow) 1990-05-11

Family

ID=12739829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56046180A Granted JPS57161985A (en) 1981-03-31 1981-03-31 Characteristic pickup circuit for optical character reader

Country Status (1)

Country Link
JP (1) JPS57161985A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS57161985A (en) 1982-10-05

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