Robust and structural sparsity auto-encoder with L21-norm minimization.

Rui Li Xiaodan Wang Wen Quan Yafei Song Lei Lei

Published in: Neurocomputing (2021)

Keyphrases

norm minimization
sparse representation
convex optimization
sparse coding
matrix completion
face recognition
unsupervised feature selection
image classification
interior point methods
negative matrix factorization
feature space
signal processing
total variation