Abstract
When applying Machine Learning technology to real-world applications, such as visual quality inspection, several practical issues need to be taken care of. One problem is posed by the reality that usually there are multiple human operators doing the inspection, who will inevitable contradict each other occasionally. In this paper a framework is proposed which is able to deal with this issue, based on trained ensembles of classifiers. Most ensemble techniques have however difficulties learning in these circumstances. Therefore several novel enhancements to the Grading ensemble technique are proposed within this framework – called Active Grading. The Active Grading algorithm is evaluated on data obtained from a real-world industrial system for visual quality inspection of the printing of labels on CDs, which was labelled independently by four different human operators and their supervisor, and compared to the standard Grading algorithm and a range of other ensemble (classifier fusion) techniques.
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Sannen, D., Van Brussel, H. (2009). Active Grading Ensembles for Learning Visual Quality Control from Multiple Humans. In: Benediktsson, J.A., Kittler, J., Roli, F. (eds) Multiple Classifier Systems. MCS 2009. Lecture Notes in Computer Science, vol 5519. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-02326-2_13
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DOI: https://doi.org/10.1007/978-3-642-02326-2_13
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