Methods and apparatus for optical product inspection

Details Methods and apparatus for optical product inspection Methods and apparatus for optical product inspection

G - Physics

06

K

340/124.6

G06K 9/74 (2006.01) G01N 21/88 (2006.01) G01N 21/84 (2006.01)

Patent

CA 1302542

Abstract of the Disclosure Products having optically detectable straight lime segments are inspected for acceptability by forming one or more one-dimensional images of the product in which properly aligned straight line seg- ments are respectively focused to points in the image. Such parameters as the location and image intensity of these one-dimensional image points are used to determine whether or not the product is acceptable. An optical Hough transform underlies these product inspection techniques.

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