JPS6255192B2 - - Google Patents

Info

Publication number
JPS6255192B2
JPS6255192B2 JP56160908A JP16090881A JPS6255192B2 JP S6255192 B2 JPS6255192 B2 JP S6255192B2 JP 56160908 A JP56160908 A JP 56160908A JP 16090881 A JP16090881 A JP 16090881A JP S6255192 B2 JPS6255192 B2 JP S6255192B2
Authority
JP
Japan
Prior art keywords
line segment
angle
value
contour
extracted
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
Application number
JP56160908A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5862771A (ja
Inventor
Shiro Atsumi
Sadamasa Hirogaki
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP56160908A priority Critical patent/JPS5862771A/ja
Publication of JPS5862771A publication Critical patent/JPS5862771A/ja
Publication of JPS6255192B2 publication Critical patent/JPS6255192B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/42—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
    • G06V10/422—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation for representing the structure of the pattern or shape of an object therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)
JP56160908A 1981-10-12 1981-10-12 図形認識装置 Granted JPS5862771A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56160908A JPS5862771A (ja) 1981-10-12 1981-10-12 図形認識装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56160908A JPS5862771A (ja) 1981-10-12 1981-10-12 図形認識装置

Publications (2)

Publication Number Publication Date
JPS5862771A JPS5862771A (ja) 1983-04-14
JPS6255192B2 true JPS6255192B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-11-18

Family

ID=15724925

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56160908A Granted JPS5862771A (ja) 1981-10-12 1981-10-12 図形認識装置

Country Status (1)

Country Link
JP (1) JPS5862771A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2863530B2 (ja) * 1988-06-03 1999-03-03 株式会社リコー 線画像認識装置
JP2589175B2 (ja) * 1989-01-13 1997-03-12 三洋電機株式会社 図形認識装置
JPH0214565A (ja) * 1989-04-10 1990-01-18 Seiko Epson Corp ランダム・アクセス・メモリ

Also Published As

Publication number Publication date
JPS5862771A (ja) 1983-04-14

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