Orthogonal Subspace Based Fast Iterative Thresholding Algorithms for Joint Sparsity Recovery.

Ningning Han Shidong Li Jian Lu

Published in: IEEE Signal Process. Lett. (2021)

Keyphrases

orders of magnitude
data structure
worst case
significant improvement
computational cost
computationally efficient
post processing
image segmentation
feature extraction
computational complexity
high dimensional
low dimensional
nonnegative matrix factorization