JPS61120002A - 画像のコ−ナ点検出方法及びその装置 - Google Patents

画像のコ−ナ点検出方法及びその装置

Info

Publication number
JPS61120002A
JPS61120002A JP24275684A JP24275684A JPS61120002A JP S61120002 A JPS61120002 A JP S61120002A JP 24275684 A JP24275684 A JP 24275684A JP 24275684 A JP24275684 A JP 24275684A JP S61120002 A JPS61120002 A JP S61120002A
Authority
JP
Japan
Prior art keywords
point
edge
brightness gradient
corner
image
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
JP24275684A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0346045B2 (ru
Inventor
Hiroshi Moribe
森部　弘
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.)
Toyota Central R&D Labs Inc
Original Assignee
Toyota Central R&D Labs Inc
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 Toyota Central R&D Labs Inc filed Critical Toyota Central R&D Labs Inc
Priority to JP24275684A priority Critical patent/JPS61120002A/ja
Publication of JPS61120002A publication Critical patent/JPS61120002A/ja
Publication of JPH0346045B2 publication Critical patent/JPH0346045B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Analysis (AREA)
JP24275684A 1984-11-16 1984-11-16 画像のコ−ナ点検出方法及びその装置 Granted JPS61120002A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24275684A JPS61120002A (ja) 1984-11-16 1984-11-16 画像のコ−ナ点検出方法及びその装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24275684A JPS61120002A (ja) 1984-11-16 1984-11-16 画像のコ−ナ点検出方法及びその装置

Publications (2)

Publication Number Publication Date
JPS61120002A true JPS61120002A (ja) 1986-06-07
JPH0346045B2 JPH0346045B2 (ru) 1991-07-15

Family

ID=17093795

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24275684A Granted JPS61120002A (ja) 1984-11-16 1984-11-16 画像のコ−ナ点検出方法及びその装置

Country Status (1)

Country Link
JP (1) JPS61120002A (ru)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6252690A (ja) * 1985-08-31 1987-03-07 Kawasaki Heavy Ind Ltd 対象物体の頂点の検出方法
JP2017090450A (ja) * 2015-11-02 2017-05-25 コグネックス・コーポレイション ビジョンシステムでラインを検出するためのシステム及び方法
US10152780B2 (en) 2015-11-02 2018-12-11 Cognex Corporation System and method for finding lines in an image with a vision system
CN110728285A (zh) * 2019-08-23 2020-01-24 北京正安维视科技股份有限公司 一种基于动态变频的快速角点检测方法
US10937168B2 (en) 2015-11-02 2021-03-02 Cognex Corporation System and method for finding and classifying lines in an image with a vision system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57163807A (en) * 1981-04-01 1982-10-08 Mitsubishi Electric Corp Shape detector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57163807A (en) * 1981-04-01 1982-10-08 Mitsubishi Electric Corp Shape detector

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6252690A (ja) * 1985-08-31 1987-03-07 Kawasaki Heavy Ind Ltd 対象物体の頂点の検出方法
JPH0516628B2 (ru) * 1985-08-31 1993-03-04 Kawasaki Heavy Ind Ltd
JP2017090450A (ja) * 2015-11-02 2017-05-25 コグネックス・コーポレイション ビジョンシステムでラインを検出するためのシステム及び方法
US10152780B2 (en) 2015-11-02 2018-12-11 Cognex Corporation System and method for finding lines in an image with a vision system
US10902568B2 (en) 2015-11-02 2021-01-26 Cognex Corporation System and method for finding lines in an image with a vision system
US10937168B2 (en) 2015-11-02 2021-03-02 Cognex Corporation System and method for finding and classifying lines in an image with a vision system
US11699283B2 (en) 2015-11-02 2023-07-11 Cognex Corporation System and method for finding and classifying lines in an image with a vision system
US11854173B2 (en) 2015-11-02 2023-12-26 Cognex Corporation System and method for finding lines in an image with a vision system
CN110728285A (zh) * 2019-08-23 2020-01-24 北京正安维视科技股份有限公司 一种基于动态变频的快速角点检测方法
CN110728285B (zh) * 2019-08-23 2022-06-24 北京正安维视科技股份有限公司 一种基于动态变频的快速角点检测方法

Also Published As

Publication number Publication date
JPH0346045B2 (ru) 1991-07-15

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