Computing the Riemannian logarithm on the Stiefel manifold: metrics, methods and performance.

Ralf Zimmermann Knut Hüper

Published in: CoRR (2021)

Keyphrases

preprocessing
significant improvement
euclidean space
high dimensional data
benchmark datasets
neural network
feature vectors
machine learning methods
geometric structure
evaluation methods
similarity metrics
nonlinear dimensionality reduction