TV-regularized CT Reconstruction and Metal Artifact Reduction Using Inequality Constraints with Preconditioning

8 Oct 2018Clemens Schiffer

Total variation(TV) regularization is applied to X-Ray computed tomography(CT) in an effort to reduce metal artifacts. Tikhonov regularization with $L^2$ data fidelity term and total variation regularization is augmented in this novel model by inequality constraints on sinogram data affected by metal to model errors caused by metal... (read more)

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