Visual inspection system for leather hide

Details Visual inspection system for leather hide Visual inspection system for leather hide

1999-10-28

2000-12-05

Johns, Andrew W.

Image analysis

Applications

Animal, plant, or food inspection

382111, G06K 900, G01N 2189

Patent

active

061577308

ABSTRACT:
A visual inspection system particularly designed for imaging relatively non-rigid materials. In order to identify defects and the position of defects and the position of defects on the material. The arrangement is particularly designed for handling leather hide. Defects in leather hide are presently identified by manual inspection. The present invention provides a visual inspection system for non-rigid materials comprising a mounting means for mounting a sample of the material, tensioning means for tensioning at least an area of the sample, an imaging means (3) for obtaining an image of the area of the sample under tension and processing means for processing the image to provide information on any defects which may exist.

REFERENCES:
patent: 4671663 (1987-06-01), Sick
patent: 4914308 (1990-04-01), Hochgraf
patent: 5185822 (1993-02-01), Miura
patent: 5570188 (1996-10-01), Nevel et al.
Limas-Serafin, "Natural Images' Segmentation for Patterns' Recognition Using Edges' Pyramids and its Application to the Leather' Defects," IEEE Proc. of IECON '93 Int. Conf. on Industrial Electronics, Control and Instrumentation, Nov. 15-19, 1993, vol. 3, pp. 1357-1360.

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