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Hierarchical Similarity Transformations Between Gaussian Mixtures.
George Rigas
Christophoros Nikou
Yorgos Goletsis
Dimitrios I. Fotiadis
Published in:
IEEE Trans. Neural Networks Learn. Syst. (2013)
Keyphrases
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gaussian mixture
similarity transformations
affine transformation
em algorithm
expectation maximization
gaussian mixture model
closed form
covariance matrix
probability density function
shape variations
mixture model
density estimation
higher order
shape analysis