scholarly journals Pseudo-inverses of difference matrices and their application to sparse signal approximation

2016 ◽  
Vol 503 ◽  
pp. 26-47 ◽  
Author(s):  
Gerlind Plonka ◽  
Sebastian Hoffmann ◽  
Joachim Weickert
Keyword(s):  
Sparse Signal ◽  
Difference Matrices ◽  
Signal Approximation

Double Sparsity: Learning Sparse Dictionaries for Sparse Signal Approximation

2010 ◽  
Vol 58 (3) ◽  
pp. 1553-1564 ◽  
Author(s):  
R. Rubinstein ◽  
M. Zibulevsky ◽  
M. Elad
Keyword(s):  
Sparse Signal ◽  
Signal Approximation

Sparse Signal Approximation via Nonseparable Regularization

2017 ◽  
Vol 65 (10) ◽  
pp. 2561-2575 ◽  
Author(s):  
Ivan Selesnick ◽  
Masoud Farshchian
Keyword(s):  
Sparse Signal ◽  
Signal Approximation

scholarly journals A simple test to check the optimality of a sparse signal approximation

2006 ◽  
Vol 86 (3) ◽  
pp. 496-510 ◽  
Author(s):  
R. Gribonval ◽  
R.M. Figueras i Ventura ◽  
P. Vandergheynst
Keyword(s):  
Sparse Signal ◽  
Simple Test ◽  
Signal Approximation

scholarly journals Stabilized Stepwise Orthogonal Matching Pursuit for Sparse Signal Approximation

2017 ◽  
Vol 910 ◽  
pp. 012038
Author(s):  
Mingjiang Wang ◽  
Guanghong Liu ◽  
Zhang De ◽  
Kuoye Han ◽  
Yanmin Chen
Keyword(s):  
Matching Pursuit ◽  
Orthogonal Matching Pursuit ◽  
Sparse Signal ◽  
Signal Approximation

Iterative Sparsification-Projection: Fast and Robust Sparse Signal Approximation

2016 ◽  
Vol 64 (21) ◽  
pp. 5536-5548 ◽  
Author(s):  
Mostafa Sadeghi ◽  
Massoud Babaie-Zadeh
Keyword(s):  
Sparse Signal ◽  
Signal Approximation
Sign in / Sign up

Export Citation Format

Share Document