Automated inspection of hot steel slabs

Details Automated inspection of hot steel slabs Automated inspection of hot steel slabs

1984-01-16

1985-12-24

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

356237, 358 93, 358100, 358101, 358106, 382 22, 382 50, G06K 956

Patent

active

045611041

ABSTRACT:
The disclosure relates to a real time digital image enhancement system for performing the image enhancement segmentation processing required for a real time automated system for detecting and classifying surface imperfections in hot steel slabs. The system provides for simultaneous execution of edge detection processing and intensity threshold processing in parallel on the same image data produced by a sensor device such as a scanning camera. The results of each process are utilized to validate the results of the other process and a resulting image is generated that contains only corresponding segmentation that is produced by both processes.

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patent: 4319270 (1982-03-01), Kimura et al.
patent: 4428672 (1984-01-01), Allard et al.
Baier et al, "Edge Analysis in Digitized Grey Level Patterns", IBM Tech. Disclosure Bulletin, vol. 25, No. 6, Nov. 1982.

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