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Code Listing by Angshul Majumdar

Code 1-10 of 11   Pages: Go to  1  2  Next >>  page  






Contains three matrix completion algorithms and a demo script for running them. Also compares against other matrix completion algorithms - Singular Value Thresholding and Fixed Point Iteration.
Solves the following three optimization problems:
min rank(X) subject to ||y - M(X)||_2



Group and Block Sparse Signal reconstruction via
Matching Pursuit - BMP, GMP
Gradient Pursuit - block_gp, group_gp
Nearly Orthogonal Matching Pursuit - block_nomp, group_nomp
Partial Conjugate Gradient Pursuit - block_pcgp,...



SC - Sparse Classifier
FSC - Fast Sparse Classifier
GSC - Group Sparse Classifier
FGSC - Fast Group Sparse Classifier
NSC - Nearest Subspace Classifier

Requires SPGL1 - http://www.cs.ubc.ca/labs/scl/spgl1/



Non Convex Optimization Algorithms for Group Sparsity
Solves a dummy OFDM sparse channel estimation problem

Reweighted Lm,p algorithm for noiseless case
min||x||_m,p s.t. y = Ax

Reweighted Lm,p algorithm for noisy...



It can be used in image recovery actions, image processing tasks, in signal processing, in simulations or optimization tasks.



Constrained and Unconstrained, Analysis and Synthesis Prior Solvers for Jointly sparse Multiple Measurement Vectors.
Sparco is required for running the Matlab files. Download it from http://www.cs.ubc.ca/labs/scl/sparco/ ans install it in...



This is a generalized version of Principal Component Pursuit (PCP) where the sparsity is assumed in a transform domain and not in measurement domain. Moreover the samples obtained are lower dimensional projections.
Inputs
y -...



OLS - Orthogonal Least Squares: Proposed by T. Blumensath, M. E. Davies
StOLS - Stagewise OLS: Combining StOMP ideas with OLS
ROLS - Regularized OLS: Combining ROMP ideas with OLS



Group and Block Sparse Signal reconstruction via
Matching Pursuit - BMP, GMP
Gradient Pursuit - block_gp, group_gp
Nearly Orthogonal Matching Pursuit - block_nomp, group_nomp
Partial Conjugate Gradient Pursuit - block_pcgp,...



Group and Block Sparse Signal reconstruction via
Matching Pursuit - BMP, GMP
Gradient Pursuit - block_gp, group_gp
Nearly Orthogonal Matching Pursuit - block_nomp, group_nomp
Partial Conjugate Gradient Pursuit - block_pcgp,...