Preliminary investigation in SPECT image denoising with exposure time reduction.
Sourour GargouriFatma MakhloufHatem BesbesPublished in: ATSIP (2016)
Keyphrases
- image denoising
- preliminary investigation
- denoising
- natural images
- noisy images
- partial differential equations
- total variation
- image processing
- wavelet domain
- wavelet coefficients
- wavelet domain hidden markov tree
- denoising methods
- bilateral filtering
- nonlocal means
- nonlinear diffusion
- undecimated wavelet transform
- additive gaussian noise
- anisotropic diffusion
- object recognition
- edge preservation
- total variation regularization
- frequency domain
- higher order
- image registration
- multiresolution
- image deblurring
- multiscale