An efficient wavelet and curvelet-based PET image denoising technique.
Abhishek BalMinakshi BanerjeePunit SharmaMausumi MaitraPublished in: Medical Biol. Eng. Comput. (2019)
Keyphrases
- denoising
- image denoising
- noisy images
- wavelet domain
- wavelet coefficients
- total variation
- denoising algorithm
- natural images
- image processing
- wavelet denoising
- partial differential equations
- denoising methods
- wavelet shrinkage
- nonlinear diffusion
- translation invariant
- gaussian noise
- additive gaussian noise
- wavelet packet
- bilateral filtering
- wavelet domain hidden markov tree
- wavelet decomposition
- frequency domain
- multiresolution analysis
- wavelet transform
- soft thresholding
- hard thresholding