System and method for selection of a reference die

作者: Charles Kenneth Harris , Clyde Maxwell Guest , Rajiv Roy

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摘要: A system for selecting reference die images, such as use with a visual inspection system, is provided. The includes image comparator, which compares (514) first (504) to second (510) in order create difference (516) that contains only the between two images. also analysis receives data from comparator. analyzes (518) and determines whether there are any features of (520, 524) indicate either or should not be used image.

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