Performance measures for summarizing confusion matrices: the AFRL COMPASE approach

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Abstract
The AFRL COMPASE Center has developed and applied a disciplined methodology for the evaluation of recognition systems. This paper explores an element of that methodology related to the confusion matrix as a tabulation of experiment outcomes and its corresponding summary performance measures. To this end, the paper introduces terminology and the confusion matrix structure for experiment results. It provides several examples - from current Air Force programs - of summary performance measures and their relationship to the confusion matrix. Finally it considers the advantages and disadvantages of these summary performance measures and points to effective strategies for selecting such measures.
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