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Feature selection can decrease classifier size and improve accuracy by removing noisy and/or redundant features. However, it is possible for feature selection to yield features that are only partially informative about the classes in the set. These features are beneficial for distinguishing between some classes but not others. In these cases, it is beneficial to divide the large classification problem...
This work presents a method for improving classifier accuracy through joint feature selection and hierarchical classifier design with genetic algorithms. The hierarchical classifier divides the classification problem into a set of smaller problems using multiple feature-selected classifiers in a tree configuration to separate the data into progressively smaller groups of classes. This allows the use...
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