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
circuit
direction code
successively
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
CN110689545B (zh) 基于主动轮廓和深度学习的模糊边界图像自动分割方法
JP2776409B2 (ja) 皮膚紋様並びに指紋紋様の分類装置
CN104809446A (zh) 基于校正手掌方向的掌纹感兴趣区域快速提取方法
KR20030019788A (ko) 융선방향 모델을 이용한 지문 특징데이터 추출방법
CN113780040B (zh) 唇部关键点的定位方法及装置、存储介质、电子设备
JPS5922174A (ja) 図形認識装置
Wang et al. Edge linking using geodesic distance and neighborhood information
JPS6310472B2 (enrdf_load_stackoverflow)
KR100765749B1 (ko) 이진영상 압축장치 및 방법
CN108665470A (zh) 一种交互式轮廓提取方法
JP2885476B2 (ja) 画像処理方法および装置
JP2941322B2 (ja) 図面処理装置
CN101329723A (zh) 指纹核心点快速鲁棒定位方法
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
CN112949361A (zh) 指纹识别方法及装置
Liu et al. Practical Orientation Field Estimation for Embedded Fingerprint Recognition Systems
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
Yukun et al. Practical Orientation Field Estimation for Embedded Fingerprint Recognition Systems
JPS5922175A (ja) 図形認識装置
JP2658154B2 (ja) 文字識別方式
JPS6332673A (ja) 画像認識装置
Lee et al. Mechanical parts range-image segmentation by locating critical points of one-dimensional curves
JPS62271190A (ja) セグメント数字認識方式
KR0158416B1 (ko) 화상데이타의 수축에 의한 물체의 위치 판단방법
JP2863530B2 (ja) 線画像認識装置