A new sparse representation framework for compressed sensing MRI.

Zhen Chen Chuanping Huang Shufu Lin

Published in: Knowl. Based Syst. (2020)

Keyphrases

compressed sensing
sparse representation
image reconstruction
random projections
dictionary learning
face recognition

signal processing
image classification
natural images
sparse coding
image representation

high dimensional data
high quality
dimensionality reduction
pattern recognition
nearest neighbor

image patches
knn
pairwise
multiscale
orthogonal matching pursuit