Metal artefact reduction in computed tomography images by a fourth-order total variation flow.
Elena FaggianoTommaso LorenziAlfio QuarteroniPublished in: Comput. methods Biomech. Biomed. Eng. Imaging Vis. (2016)
Keyphrases
- total variation
- fourth order
- computed tomography images
- denoising
- noise removal
- image denoising
- partial differential equations
- nonlinear diffusion
- automatic segmentation
- image restoration
- high order
- image deblurring
- image interpolation
- edge preservation
- image processing
- anisotropic diffusion
- noisy images
- blind deconvolution
- natural images
- beltrami flow
- smooth regions
- gaussian noise
- wavelet packet
- image enhancement
- flow field
- estimation error
- wavelet domain
- denoising methods
- super resolution
- feature extraction
- computer vision