JPS6322521B2 - - Google Patents

Info

Publication number
JPS6322521B2
JPS6322521B2 JP56174230A JP17423081A JPS6322521B2 JP S6322521 B2 JPS6322521 B2 JP S6322521B2 JP 56174230 A JP56174230 A JP 56174230A JP 17423081 A JP17423081 A JP 17423081A JP S6322521 B2 JPS6322521 B2 JP S6322521B2
Authority
JP
Japan
Prior art keywords
backlight
image sensor
level
steel plate
dimensional 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.)
Expired
Application number
JP56174230A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5875008A (ja
Inventor
Yoshito Uehara
Kazuhiko Sato
Hifumi Tsukuda
Toshihiro Konishi
Hidekazu Tai
Shuji Oonaka
Junya Ishizaki
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.)
JFE Steel Corp
NEC Corp
Original Assignee
Nippon Electric Co Ltd
Kawasaki Steel Corp
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 Nippon Electric Co Ltd, Kawasaki Steel Corp filed Critical Nippon Electric Co Ltd
Priority to JP56174230A priority Critical patent/JPS5875008A/ja
Publication of JPS5875008A publication Critical patent/JPS5875008A/ja
Publication of JPS6322521B2 publication Critical patent/JPS6322521B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • 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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2263/00—Shape of product
    • B21B2263/20—End shape; fish tail; tongue

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP56174230A 1981-10-30 1981-10-30 形状測定方法 Granted JPS5875008A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56174230A JPS5875008A (ja) 1981-10-30 1981-10-30 形状測定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56174230A JPS5875008A (ja) 1981-10-30 1981-10-30 形状測定方法

Publications (2)

Publication Number Publication Date
JPS5875008A JPS5875008A (ja) 1983-05-06
JPS6322521B2 true JPS6322521B2 (en]) 1988-05-12

Family

ID=15974991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56174230A Granted JPS5875008A (ja) 1981-10-30 1981-10-30 形状測定方法

Country Status (1)

Country Link
JP (1) JPS5875008A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2615765B1 (fr) * 1987-05-29 1992-09-04 Usinor Aciers Procede et dispositif de determination du sabre d'une tole
JP2608487B2 (ja) * 1990-06-29 1997-05-07 住友精密工業 株式会社 光学式センサー
DE19802492C1 (de) * 1998-01-23 1999-04-15 Mc Micro Compact Car Ag Vorrichtung zum Heizen oder Kühlen in einem Kraftfahrzeug
JP4649828B2 (ja) * 2003-10-17 2011-03-16 Ｊｆｅスチール株式会社 画像処理装置の異常の判定方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5646807U (en]) * 1979-09-19 1981-04-25

Also Published As

Publication number Publication date
JPS5875008A (ja) 1983-05-06

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