A content based retrieval engine for circuit board inspection

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Abstract
In this paper we apply content based retrieval (CBR)to the automated inspection of printed circuit boards.Manual probing of faulty circuit boards is expensiveand time consuming for electronics manufacturers.The proposed CBR system allows groups of similarlyfaulted boards to be identified and repairedsimultaneously. We improve upon current matchingtechniques used in CBR, exploiting relative pairingsof features rather than simple distance measures. Thenovel matching techniques are seen...