Geometry-aware principal component analysis for symmetric positive definite matrices.

Inbal Horev Florian Yger Masashi Sugiyama

Published in: Mach. Learn. (2017)

Keyphrases

principal component analysis
covariance matrix
dimensionality reduction
low dimensional
face recognition
dimension reduction
covariance matrices
face images
geometric structure
dictionary learning
feature extraction
feature space
object recognition
high dimensional