Patent ID: 6640002
Filing Date: 2003-10-28
Classification: G06T

Abstract:
An object inspecting apparatus, comprising:an image taking device which takes an image of an object; an image-data memory in which image data representing the taken image of the object is stored; negative-search-line producing means for producing at least one negative search line which is expected, when at least one of a position, a rotation angle, and a dimension of the object satisfies a first predetermined condition, not to intersect an edge of the image of the object represented by the image data, an optical characteristic of the image significantly changing at said edge; and inspection judging means for judging that the object passes the inspection, when said at least one negative search line does not intersect the edge of the image of the object, and judging that the object does not pass the inspection, when said at least one negative search line intersects the edge of the image of the object.