JPS60135707A - 凹凸欠陥検出方法 - Google Patents

凹凸欠陥検出方法

Info

Publication number
JPS60135707A
JPS60135707A JP24960583A JP24960583A JPS60135707A JP S60135707 A JPS60135707 A JP S60135707A JP 24960583 A JP24960583 A JP 24960583A JP 24960583 A JP24960583 A JP 24960583A JP S60135707 A JPS60135707 A JP S60135707A
Authority
JP
Japan
Prior art keywords
image
difference
inspected
television camera
image data
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
JP24960583A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0242407B2 (enrdf_load_stackoverflow
Inventor
Koji Oki
沖　光二
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP24960583A priority Critical patent/JPS60135707A/ja
Publication of JPS60135707A publication Critical patent/JPS60135707A/ja
Publication of JPH0242407B2 publication Critical patent/JPH0242407B2/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
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP24960583A 1983-12-23 1983-12-23 凹凸欠陥検出方法 Granted JPS60135707A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24960583A JPS60135707A (ja) 1983-12-23 1983-12-23 凹凸欠陥検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24960583A JPS60135707A (ja) 1983-12-23 1983-12-23 凹凸欠陥検出方法

Publications (2)

Publication Number Publication Date
JPS60135707A true JPS60135707A (ja) 1985-07-19
JPH0242407B2 JPH0242407B2 (enrdf_load_stackoverflow) 1990-09-21

Family

ID=17195505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24960583A Granted JPS60135707A (ja) 1983-12-23 1983-12-23 凹凸欠陥検出方法

Country Status (1)

Country Link
JP (1) JPS60135707A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61187637A (ja) * 1985-02-15 1986-08-21 Hitachi Ltd 外観検査装置
JPH02242108A (ja) * 1989-03-15 1990-09-26 Matsushita Electric Works Ltd 外観検査機
EP0586795A1 (de) * 1992-09-09 1994-03-16 TZN Forschungs- und Entwicklungszentrum Unterlüss GmbH Verfahren und Vorrichtung zur berührungslosen Überprüfung der Oberflächenrauhigkeit von Materialien
JP2013185862A (ja) * 2012-03-06 2013-09-19 Toyota Motor Corp 欠陥検査装置及び欠陥検査方法
JP2013205381A (ja) * 2012-03-29 2013-10-07 Nisshin Steel Co Ltd 冷間圧延機に通板する鋼帯の欠陥検出方法および欠陥検出システム

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61187637A (ja) * 1985-02-15 1986-08-21 Hitachi Ltd 外観検査装置
JPH02242108A (ja) * 1989-03-15 1990-09-26 Matsushita Electric Works Ltd 外観検査機
EP0586795A1 (de) * 1992-09-09 1994-03-16 TZN Forschungs- und Entwicklungszentrum Unterlüss GmbH Verfahren und Vorrichtung zur berührungslosen Überprüfung der Oberflächenrauhigkeit von Materialien
JP2013185862A (ja) * 2012-03-06 2013-09-19 Toyota Motor Corp 欠陥検査装置及び欠陥検査方法
JP2013205381A (ja) * 2012-03-29 2013-10-07 Nisshin Steel Co Ltd 冷間圧延機に通板する鋼帯の欠陥検出方法および欠陥検出システム

Also Published As

Publication number Publication date
JPH0242407B2 (enrdf_load_stackoverflow) 1990-09-21

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term