Abstract #300247

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JSM 2002 Abstract #300247
Activity Number: 241
Type: Topic Contributed
Date/Time: Tuesday, August 13, 2002 : 2:00 PM to 3:50 PM
Sponsor: Section on Statistical Computing*
Abstract - #300247
Title: Spatiotemporal Statistical Inverse Problem with an Application in Medical Imaging
Author(s): Sylvain Sardy*+
Affiliation(s): Swiss Federal Institute of Technology
Address: , Lausanne, , 1015, Switzerland
Keywords: optimization ; high-dimensional data
Abstract:

A Markov random field based estimator for denoising massive data sets with a high temporal resolution (5ms) is investigated. For this, a convex but high-dimensional and non-differentiable optimization problem must be solved; a block coordinate relaxation algorithm is developed of which we can prove convergence.

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