Title: Active Grading Ensembles for Learning Visual Quality Control from Multiple Humans
Authors: Sannen, Davy
Van Brussel, Hendrik #
Issue Date: Jun-2009
Publisher: Springer
Host Document: Multiple Classifier Systems, Vol. 5519 of LNCS pages:122-131
Conference: International Workshop on Multiple Classifier Systems edition:8 location:Reykjavik, Iceland date:10-12 June 2009
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.
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Production Engineering, Machine Design and Automation (PMA) Section
# (joint) last author

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