A fast computational technique based on a novel tangent sigmoid anisotropic diffusion function for image-denoising.
Sreedhar KollemPublished in: Soft Comput. (2024)
Keyphrases
- image denoising
- anisotropic diffusion
- partial differential equations
- bilateral filtering
- edge preservation
- nonlinear diffusion
- denoising
- natural images
- noisy images
- noise removal
- edge preserving
- total variation
- image processing
- diffusion process
- bilateral filter
- edge detection
- diffusion equation
- wavelet domain
- energy functional
- denoising methods
- fourth order
- wavelet coefficients
- transfer function
- nonlocal means
- nl means
- image deblurring
- nonlinear filters
- diffusion tensor
- augmented lagrangian
- pairwise
- spatially variant
- multiscale
- similarity measure