Image denoising method based on variable exponential fractional-integer-order total variation and tight frame sparse regularization.
Yingmei WangZhendong WangPublished in: IET Image Process. (2021)
Keyphrases
- total variation
- denoising
- denoising methods
- image denoising
- blind deconvolution
- total variation regularization
- denoising algorithm
- regularization term
- fidelity term
- regularization methods
- image restoration
- minimization problems
- mumford shah
- restored image
- convex optimization
- noisy images
- edge preservation
- wiener filter
- image deblurring
- locally adaptive
- image processing
- natural images
- image data
- partial differential equations
- wavelet domain
- input image
- multiscale
- gaussian noise
- energy function
- noise removal
- noise model
- image sequences
- wavelet coefficients
- high quality
- image segmentation
- nonlinear diffusion
- frequency domain
- parameter selection
- higher order
- video sequences
- test images
- high resolution
- object recognition