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Riemannian Optimization for Non-Centered Mixture of Scaled Gaussian Distributions.
Antoine Collas
Arnaud Breloy
Chengfang Ren
Guillaume Ginolhac
Jean Philippe Ovarlez
Published in:
IEEE Trans. Signal Process. (2023)
Keyphrases
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gaussian distribution
gaussian mixture model
maximum likelihood
noise model
expectation maximization
mixture of gaussians
covariance matrices
optimization problems
shape analysis
multi variate
mixture model
multivariate gaussian
gaussian model
em algorithm
active learning
kl divergence
unsupervised learning