Enhancing Image Denoising by Controlling Noise Incursion in Learned Dictionaries.
Sujit Kumar SahooAnamitra MakurPublished in: IEEE Signal Process. Lett. (2015)
Keyphrases
- image denoising
- additive gaussian noise
- sparse and redundant representations
- denoising
- white gaussian noise
- noisy images
- denoising methods
- denoising algorithm
- multiplicative noise
- wavelet shrinkage
- natural images
- total variation
- edge preservation
- partial differential equations
- noise level
- gaussian noise
- additive noise
- image processing
- noise model
- wavelet coefficients
- noise removal
- nonlinear filters
- bilateral filtering
- wavelet domain
- image deblurring
- undecimated wavelet transform
- spatially adaptive
- wavelet denoising
- removing noise
- noise suppression
- wavelet domain hidden markov tree
- image inpainting
- bilateral filter
- noise reduction
- sparse representation
- nonlinear diffusion
- signal to noise ratio
- input image
- multiscale
- augmented lagrangian
- fidelity term
- total variation regularization
- soft thresholding
- image segmentation