Graph-based sinogram denoising for tomographic reconstructions.
Faisal MahmoodNauman ShahidPierre VandergheynstUlf SkoglundPublished in: EMBC (2016)
Keyphrases
- denoising
- image reconstruction
- limited angle
- reconstructed image
- radon transform
- image denoising
- noisy images
- iterative reconstruction
- total variation
- tomographic reconstruction
- filtered back projection
- image processing
- wavelet domain
- natural images
- super resolution
- graph model
- denoising algorithm
- frequency domain
- gaussian noise
- noise removal
- graph theoretic
- translation invariant
- spatial resolution
- denoising methods
- computed tomography
- spatially adaptive
- relaxation algorithm
- graph based algorithm
- wavelet denoising
- high quality
- semi supervised
- computer vision
- nonlinear diffusion
- regularized least squares
- wavelet packet
- image compression
- multi view
- object recognition
- surface reconstruction
- image restoration