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—The use of matched filters on hyperspectral data has made it possible to detect faint signatures. This study uses a modified-means clustering to improve matched filter performance. Several simple bivariate cases are examined in detail, and the interaction of filtering and partitioning is discussed. We show that clustering can reduce within-class variance(More)
We examined genealogical relationships among six of seven species of crested-tailed mice (Habromys chinanteco, H. delicatulus, H. ixtlani, H. lepturus, H. lophurus, and H. simulatus) using DNA sequence data from the cytochrome-b gene. Gene trees based on maximum likelihood, Bayesian inference and maximum parsimony were largely congruent in that H. lepturus(More)
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