A multiresolution EM algorithm for unsupervised image classification
نویسندگان
چکیده
We take beneet from a causal Markov model deened on a quadtree to derive a multiresolution EM algorithm for unsupervised image classiication. This algorithm is an eecient alternative to expensive or approximate EM algorithms associated with Markov Random Fields. We show on synthetic and real images that our algorithm also provides good or even better results than those obtained by spatial MRF models.
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