Automated visual inspection apparatus

Details Automated visual inspection apparatus Automated visual inspection apparatus

1996-03-15

2000-02-29

Couso, Jose L.

Image analysis

Applications

Manufacturing or product inspection

382145, 382147, 382199, G06K 900, G06K 948

Patent

active

060319313

ABSTRACT:
Apparatus for determining at least one edge of an object having a plurality of openings with respective edges. An imaging device generates an image signal of the object to represent light intensity values of a plurality of pixels, the image signal being processed to estimate a linear relationship derived from the light intensity values of a predetermined number of the pixels. A determining device determines whether the linear relationship includes at least one light intensity value corresponding to an edge.

REFERENCES:
patent: 4930889 (1990-06-01), Van Donselaar et al.
patent: 5081689 (1992-01-01), Meyer et al.

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