Keyphrases
- image denoising
- structured sparsity
- denoising
- total variation
- noisy images
- natural images
- partial differential equations
- gaussian noise
- gaussian distribution
- regularization methods
- image processing
- maximum a posteriori
- statistical learning
- compressive sensing
- wavelet coefficients
- learning problems
- image deblurring
- multiscale
- nonlinear diffusion
- input image
- scale space
- convex optimization problems
- group lasso
- object recognition
- higher order
- expectation maximization