Orthonormal expansion ℓ1-minimization for compressed sensing in MRI.

Jun Deng Zai Yang Cishen Zhang Wenmiao Lu

Published in: ICIP (2011)

Keyphrases

compressed sensing
image reconstruction
orthogonal matching pursuit
random projections
sparse representation
natural images
denoising
compressive sampling
vector field
signal processing
multiscale
high resolution
principal component analysis
singular value decomposition
linear combination