Shrinkage Estimation on the Manifold of Symmetric Positive-Definite Matrices with Applications to Neuroimaging.

Chun-Hao Yang Baba C. Vemuri

Published in: IPMI (2019)

Keyphrases

symmetric positive definite matrices
dictionary learning
vector space
sparse coding
riemannian manifolds
riemannian metric
sparse representation
high dimensional
euclidean space
image denoising
human brain
mean shift
low dimensional
manifold learning
distance measure
covariance matrices
denoising