Covariance Eigenvector Sparsity for Compression and Denoising

Ioannis D. Schizas Georgios B. Giannakis

Published in: CoRR (2012)

Keyphrases

denoising
basis pursuit
covariance matrix
image denoising
image processing
noisy images
total variation
compression scheme

image compression
natural images
data compression
noise removal
compression algorithm
denoising methods
compression ratio
sparse representation

wavelet domain
high dimensional
denoising algorithm
linear combination
covariance matrices
gaussian noise
spectral clustering

singular value decomposition
convex optimization
computational complexity
noise level
least squares
pairwise
wavelet denoising