In this paper, a real time application for visual inspection and classification of cork stoppers is presented. Each cork stopper is represented by a high dimensional set of characteristics corresponding to relevant visual features. We have applied a set of non-parametric and parametric methods in order to compare and evaluate their performance for this real problem. The best results have been achieved using Bayesian classification through probabilistic modeling in a high dimensional space. In this context, it is well known that high dimensionality does not allow precision in the density estimation. We propose a Class-Conditional Independent Component Analysis (CC-ICA) representation of the data that even in low dimensions, performs comparably to standard classification techniques. The method has achieved a success of 98% of correct classification. Our prototype is able to inspect the cork stoppers and classify in 5 quality groups with a speed of 3 objects per second. © Springer-Verlag Berlin Heidelberg 2002.
CITATION STYLE
Radeva, P., Bressan, M., Tovar, A., & Vitrià, J. (2002). Bayesian classification for inspection of industrial products. Lecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science), 2504, 399–407. https://doi.org/10.1007/3-540-36079-4_35
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