Image Variational Denoising Using Gradient Fidelity on Curvelet Shrinkage.

Liang Xiao Lili Huang Badrinath Roysam

Published in: EURASIP J. Adv. Signal Process. (2010)

Keyphrases

denoising
denoising algorithm
total variation regularization
image denoising
denoising methods
total variation
gaussian noise
image data
noisy images
input image
image processing

image segmentation
natural images
wavelet based denoising
edge detection
wavelet domain
image features
hard thresholding
enhanced image
multiscale
basis pursuit
noise suppression

fidelity term
gradient direction
wavelet shrinkage
soft thresholding
image fidelity
evolution equation
wavelet denoising
translation invariant
image gradient
noise removal

image structure
vector field
image deblurring
image retrieval
smoothness term
wavelet packet
gradient orientation
energy function
shrinkage functions
image regions