Mixture Probabilistic Principal Geodesic Analysis

3 Sep 2019Youshan ZhangJiarui XingMiaomiao Zhang

Dimensionality reduction on Riemannian manifolds is challenging due to the complex nonlinear data structures. While probabilistic principal geodesic analysis~(PPGA) has been proposed to generalize conventional principal component analysis (PCA) onto manifolds, its effectiveness is limited to data with a single modality... (read more)

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