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Classification by active testing with applications to imaging and change detection

Posted on:2000-04-18Degree:Ph.DType:Dissertation
University:University of Massachusetts AmherstCandidate:Li, ChunmingFull Text:PDF
GTID:1468390014461979Subject:Statistics
Abstract/Summary:
In this dissertation, we investigate adaptive strategies for sequential testing, especially those driven by maximizing information gain when the conditional distribution of tests given hypotheses is Gaussian. We implement a classification algorithm in which tests are selected recursively and adaptively on-line. We show that such information-based strategies are statistically sensible and computationally efficient, and accommodate testing at multiple resolutions. Finally, applications are made to change point detection and medical image classification.
Keywords/Search Tags:Testing, Classification
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