Covariance Eigenvector Sparsity for Compression and Denoising.
Ioannis D. SchizasGeorgios B. GiannakisPublished in: IEEE Trans. Signal Process. (2012)
Keyphrases
- denoising
- basis pursuit
- covariance matrix
- image denoising
- total variation
- data compression
- noisy images
- natural images
- image processing
- denoising algorithm
- noise removal
- compression ratio
- wavelet domain
- compression algorithm
- gaussian noise
- image compression
- compression scheme
- covariance matrices
- sparse representation
- wavelet denoising
- principal component analysis
- denoising methods
- spatially adaptive
- singular value decomposition
- linear combination
- high dimensional
- spectral clustering
- wavelet packet
- input image
- motion estimation