Eigenspace sparsity for compression and denoising.
Ioannis D. SchizasGeorgios B. GiannakisPublished in: ICASSP (2011)
Keyphrases
- denoising
- basis pursuit
- image denoising
- total variation
- natural images
- high dimensional
- wavelet domain
- noisy images
- image compression
- data compression
- compression scheme
- compression algorithm
- compression ratio
- image processing
- denoising algorithm
- frequency domain
- noise removal
- input image
- wavelet packet
- gaussian noise
- spatially adaptive
- sparse representation
- lossless compression
- higher order
- denoising methods
- compression rate