Image denoising by a direct variational minimization.
Marko JanevTeodor M. AtanackovicStevan PilipovicRadovan ObradovicPublished in: EURASIP J. Adv. Signal Process. (2011)
Keyphrases
- image denoising
- total variation regularization
- denoising
- total variation
- natural images
- noisy images
- image processing
- split bregman
- partial differential equations
- minimization problems
- bilateral filtering
- image segmentation
- wavelet domain hidden markov tree
- additive gaussian noise
- image deblurring
- wavelet domain
- wavelet coefficients
- augmented lagrangian
- denoising algorithm
- objective function
- nonlocal means
- regularization term
- undecimated wavelet transform
- nonlinear diffusion
- denoising methods
- noise removal
- convex optimization
- variational methods
- higher order
- optical flow
- object recognition
- noise level