Keyphrases
- denoising
- translation invariant
- image denoising
- total variation
- convex optimization
- wavelet domain
- noisy images
- image processing
- natural images
- denoising algorithm
- shift invariant
- frequency domain
- optimization problems
- global optimization
- objective function
- discrete wavelet transform
- noise removal
- wavelet decomposition
- gaussian noise
- denoising methods
- wavelet denoising
- spatially adaptive
- computer vision
- haar transform
- haar wavelet
- phase shifting
- digital tv
- tv programs
- wavelet packet
- wavelet filters
- nonlinear diffusion
- nonlinear programming
- least squares
- wavelet coefficients
- noise level
- mixed integer nonlinear programming
- quadratic optimization problems