Methods, apparatus and computer program products for automated visual inspection
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United States of America Patent
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Feb 8, 2000
Grant Date -
N/A
app pub date -
May 15, 1997
filing date -
May 15, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods, apparatus and computer program products for automated visual inspection of regions of interest of a product utilizing an automated visual inspection device having a constrained viewing area are provided according to the present invention. Particularly, inspection of regions of interest on a product utilizing a constrained viewing area characterized as a view minimization problem is minimized by translating the view minimization problem into a set-covering problem and a traveling salesman problem. Known heuristics are applied to the set-covering problem and the traveling salesman problem to minimize the number of views required to view the regions of interest and to minimize the distance of travel between the views. Apparatus and computer programs products are also provided which minimize inspection time in a like manner.
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