using classification, e.g. of video objects

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C4.5 classification algorithm using a decision tree CART classification and regression Tree FAR false acceptance rate FRR false rejection rate Gini impurity measure of how often a randomly chosen element from the set would be incorrectly labelled if it was randomly labelled according to the distribution of labels in the subset; usually used at the level of the nodes of tree-based classifiers. ID3 iterative Dichotomiser 3, a precursor of C4.5 ROC receiver operating characteristics