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Product inspection method and apparatus

  • US 5,335,293 A
  • Filed: 06/16/1992
  • Issued: 08/02/1994
  • Est. Priority Date: 06/16/1992
  • Status: Expired due to Fees
First Claim
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1. An automated quality inspection device for evaluating optical component characteristics of a product, the inspection device comprising:

  • means for capturing video frames of product images, each video frame comprising an array of color values, each color value being specified by at least one variable;

    component selection means for allowing an operator to identify portions of individual component types within a reference video frame;

    control means for (1) deriving relative component type probability curves from the identified portions of the individual component types, and (2) classifying individual color values as single component types according to the highest relative component type probability for each individual color value;

    wherein the control means includes processing means for deriving the relative component type probability curves by comparing color values of the identified portions of component types to the color values of an overall sample video frame.

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