Patent ID: 7324682
Filing Date: 2008-01-29
Classification: G06T

Abstract:
1. A method for inspecting a camera image of a workpiece acquired by a machine vision inspection system, the machine vision inspection system having a camera that provides the camera image and a user interface usable to define a sequence of operations usable to inspect the camera image, the method comprising: acquiring a camera image including an extraneous feature having an extraneous edge located proximate to an edge feature to be inspected; defining a region of interest in the camera image, the region of interest associated with an edge location video tool provided by the user interface, the edge location video tool having one or more associated edge locating operations; identifying extraneous feature pixels corresponding to the extraneous feature at least in the region of interest; and performing the one or more edge locating operations associated with the video tool to locate the edge feature to be inspected, the edge locating operations including analyzing camera image data in the region of interest, wherein: the identified extraneous feature pixels are excluded from camera image data analyzed by the edge locating operations associated with the video tool, and the camera image data analyzed by the edge locating operations associated with the video tool are not modified before being analyzed by the edge locating operations associated with the video tool.