JPS5922174A - 図形認識装置 - Google Patents

図形認識装置

Info

Publication number
JPS5922174A
JPS5922174A JP57131562A JP13156282A JPS5922174A JP S5922174 A JPS5922174 A JP S5922174A JP 57131562 A JP57131562 A JP 57131562A JP 13156282 A JP13156282 A JP 13156282A JP S5922174 A JPS5922174 A JP S5922174A
Authority
JP
Japan
Prior art keywords
contour
curvature
contour point
point
direction code
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
JP57131562A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0410115B2 (enrdf_load_stackoverflow
Inventor
Haruo Asada
麻田　治男
Yoshiaki Kurosawa
由明 黒沢
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
Toshiba Corp
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP57131562A priority Critical patent/JPS5922174A/ja
Publication of JPS5922174A publication Critical patent/JPS5922174A/ja
Publication of JPH0410115B2 publication Critical patent/JPH0410115B2/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
    • G06V30/1801—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes or intersections

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)
  • Image Analysis (AREA)
JP57131562A 1982-07-28 1982-07-28 図形認識装置 Granted JPS5922174A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57131562A JPS5922174A (ja) 1982-07-28 1982-07-28 図形認識装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57131562A JPS5922174A (ja) 1982-07-28 1982-07-28 図形認識装置

Publications (2)

Publication Number Publication Date
JPS5922174A true JPS5922174A (ja) 1984-02-04
JPH0410115B2 JPH0410115B2 (enrdf_load_stackoverflow) 1992-02-24

Family

ID=15060961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57131562A Granted JPS5922174A (ja) 1982-07-28 1982-07-28 図形認識装置

Country Status (1)

Country Link
JP (1) JPS5922174A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0714003A (ja) * 1993-06-26 1995-01-17 Norihiro Kato 文字認識装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0714003A (ja) * 1993-06-26 1995-01-17 Norihiro Kato 文字認識装置

Also Published As

Publication number Publication date
JPH0410115B2 (enrdf_load_stackoverflow) 1992-02-24

Similar Documents

Publication Publication Date Title
CN104809446A (zh) 基于校正手掌方向的掌纹感兴趣区域快速提取方法
JPH0355869B2 (enrdf_load_stackoverflow)
KR20030019788A (ko) 융선방향 모델을 이용한 지문 특징데이터 추출방법
US5940534A (en) On-line handwritten character recognition using affine transformation to maximize overlapping of corresponding input and reference pattern strokes
JPS5922174A (ja) 図形認識装置
JPS6310472B2 (enrdf_load_stackoverflow)
CN119762822B (zh) 基于多层检验机制的图像匹配方法、装置及计算机设备
JP2885476B2 (ja) 画像処理方法および装置
JP2941322B2 (ja) 図面処理装置
JPS62154078A (ja) オンライン手書文字認識における特徴点の抽出方式
JP2833314B2 (ja) 指紋照合装置
JP2658154B2 (ja) 文字識別方式
JPS5922175A (ja) 図形認識装置
JPH01292589A (ja) 文字認識装置
Liu et al. Practical Orientation Field Estimation for Embedded Fingerprint Recognition Systems
JPS6332673A (ja) 画像認識装置
JP2665488B2 (ja) 個人辞書登録方式
JP2002334301A (ja) ２値イメージの特徴点抽出方法及び特徴点抽出プログラム
My et al. Generating Website Codes from Images
JP2785438B2 (ja) 文字認識方式
JP2981011B2 (ja) パターン認識装置
JPH0434653A (ja) 図面処理装置
JPS61156486A (ja) 画像処理装置
JPH07160820A (ja) 文字認識方法
JPS63298494A (ja) パタ−ン認識装置