Performance of Sparse Representation Algorithms Using Randomly Generated Frames.

Mehmet Akçakaya Vahid Tarokh

Published in: IEEE Signal Process. Lett. (2007)

Keyphrases

randomly generated
sparse representation
dictionary learning
np complete
compressive sensing
computational complexity
image patches
sparse coding
constraint problems
similarity measure
optimization problems
image classification
image representation
branch and bound algorithm
random projections
compressed sensing