On MMSE and MAP Denoising Under Sparse Representation Modeling Over a Unitary Dictionary
Javier TurekIrad YavnehMatan ProtterMichael EladPublished in: CoRR (2010)
Keyphrases
- sparse representation
- denoising
- dictionary learning
- sparse coding
- image classification
- face recognition
- random projections
- signal processing
- image denoising
- learned dictionary
- regularized least squares
- high dimensional data
- image processing
- compressive sensing
- test images
- joint optimization
- compressed sensing
- dimensionality reduction
- image representation
- noisy images
- denoising algorithm
- natural images
- image patches
- sparse approximations
- maximum a posteriori
- sparse coefficients
- convex optimization
- total variation
- gaussian noise
- input image
- image super resolution
- training data
- sparsity constraints
- sparse codes