A Convex Penalty for Block-Sparse Signals with Unknown Structures.

Hiroki Kuroda Daichi Kitahara Akira Hirabayashi

Published in: ICASSP (2021)

Keyphrases

signal reconstruction
coefficient matrix
blind signal separation
signal processing
convex optimization
sparse data
block size
high dimensional
piecewise linear
convex sets
feature selection
sparse representation
sparse matrix