JPS57163808A - Shape detector - Google Patents
Shape detectorInfo
- Publication number
- JPS57163808A JPS57163808A JP4983581A JP4983581A JPS57163808A JP S57163808 A JPS57163808 A JP S57163808A JP 4983581 A JP4983581 A JP 4983581A JP 4983581 A JP4983581 A JP 4983581A JP S57163808 A JPS57163808 A JP S57163808A
- Authority
- JP
- Japan
- Prior art keywords
- area
- arithmetic
- tracking
- external circumference
- track
- 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
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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
PURPOSE:To improve the reliability of shape detection by sending a fault signal by automatically diagnosing a stray run and a runaway in the middle of external circumference track processing after processing a data group, stored in a storage device temporarily, by local histogram arithmetic and spatial differential arithmetic. CONSTITUTION:On the basis of processing results obtained by a histogram arithmetic device 7 and a spatial differential arithmetic device 8, an external circumference track arithmetic device 9 track the external circumference shape of the front end part of a steel plate 1 to diagnose a scale, over-heated parts, etc., by self-diagnostic function 10. At a ''valley'' position of a local histogram calculated by the device 7, all data in a storage device 6 are coded into binary data. A binary-coded level found in an area, where temperature is highest and distribution is stable, in the front end part of the steel plate 1 is regarded as a minimum area for tracking, and a minimum temperature level is regarded as a maximum area for tracking. When it is judged that the device 10 has transition from a tracking area between their difference to an abnormal area, a fault signal transmitter 11 outputs a warning signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4983581A JPS57163808A (en) | 1981-04-01 | 1981-04-01 | Shape detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4983581A JPS57163808A (en) | 1981-04-01 | 1981-04-01 | Shape detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57163808A true JPS57163808A (en) | 1982-10-08 |
JPS6363044B2 JPS6363044B2 (en) | 1988-12-06 |
Family
ID=12842134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4983581A Granted JPS57163808A (en) | 1981-04-01 | 1981-04-01 | Shape detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57163808A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4899296A (en) * | 1987-11-13 | 1990-02-06 | Khattak Anwar S | Pavement distress survey system |
US5798925A (en) * | 1995-05-16 | 1998-08-25 | L-S Electro-Galvanizing Company | Method and apparatus for monitoring a moving strip |
-
1981
- 1981-04-01 JP JP4983581A patent/JPS57163808A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4899296A (en) * | 1987-11-13 | 1990-02-06 | Khattak Anwar S | Pavement distress survey system |
US5798925A (en) * | 1995-05-16 | 1998-08-25 | L-S Electro-Galvanizing Company | Method and apparatus for monitoring a moving strip |
Also Published As
Publication number | Publication date |
---|---|
JPS6363044B2 (en) | 1988-12-06 |
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