Browsing Department of Materials Science and Metallurgy by Subject "regularization"
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A Variational Model for Joint Motion Estimation and Image Reconstruction
(Society for Industrial and Applied MathematicsSIAM Journal on Imaging Sciences, 2018-01)The aim of this paper is to derive and analyze a variational model for the joint estimation of motion and reconstruction of image sequences, which is based on a time-continuous Eulerian motion model. The model can be set ...
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Multi-Contrast MRI Reconstruction with Structure-Guided Total Variation
(Society for Industrial and Applied MathematicsSIAM Journal on Imaging Sciences, 2016-08-04)Magnetic resonance imaging (MRI) is a versatile imaging technique that allows different contrasts depending on the acquisition parameters. Many clinical imaging studies acquire MRI data for more than one of these contrasts—such ...