Methods and apparatus for optically determining the...

Details Methods and apparatus for optically determining the... Methods and apparatus for optically determining the...

G - Physics

01

N

G01N 21/88 (2006.01) G06K 9/62 (2006.01) G06T 7/00 (2006.01) G07C 3/14 (2006.01)

Patent

CA 2061865

The acceptability of the appearance of objects such as consumer products is determined by forming an initial discriminant function as a composite of a relatively small number of images which are known to be acceptable. This initial discriminant function is then used to gather statistical information about how a first relatively large number of images compares to the initial discriminant function. Thereafter, this statistical information is.used to select or aid in the selection of acceptable images from a second relatively large number of images, and the images selected as acceptable are used to refine the discriminant function. The refined discriminant function is then used (e.g., during actual product inspection) to determine which objects have an acceptable appearance and which do not.

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