JPH0243221B2 - - Google Patents

Info

Publication number
JPH0243221B2
JPH0243221B2 JP57043163A JP4316382A JPH0243221B2 JP H0243221 B2 JPH0243221 B2 JP H0243221B2 JP 57043163 A JP57043163 A JP 57043163A JP 4316382 A JP4316382 A JP 4316382A JP H0243221 B2 JPH0243221 B2 JP H0243221B2
Authority
JP
Japan
Prior art keywords
detection means
sequence
point
contour
refraction
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
JP57043163A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58159188A (ja
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 filed Critical
Priority to JP57043163A priority Critical patent/JPS58159188A/ja
Publication of JPS58159188A publication Critical patent/JPS58159188A/ja
Publication of JPH0243221B2 publication Critical patent/JPH0243221B2/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
    • G06V30/1823—Extraction of features or characteristics of the image by coding the contour of the pattern using vector-coding
    • 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)
  • Character Discrimination (AREA)
JP57043163A 1982-03-18 1982-03-18 文字読取装置 Granted JPS58159188A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57043163A JPS58159188A (ja) 1982-03-18 1982-03-18 文字読取装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57043163A JPS58159188A (ja) 1982-03-18 1982-03-18 文字読取装置

Publications (2)

Publication Number Publication Date
JPS58159188A JPS58159188A (ja) 1983-09-21
JPH0243221B2 true JPH0243221B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-09-27

Family

ID=12656198

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57043163A Granted JPS58159188A (ja) 1982-03-18 1982-03-18 文字読取装置

Country Status (1)

Country Link
JP (1) JPS58159188A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61262888A (ja) * 1985-05-16 1986-11-20 Toshiba Corp パタ−ンの特徴抽出方式

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5520263B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-08-03 1980-05-31

Also Published As

Publication number Publication date
JPS58159188A (ja) 1983-09-21

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