Quantitative inverse problems in visco-acoustic media and evaluation of attenuation model uncertainties

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• Otmar Scherzer (Universität Wien)
• Monday 15 May 2023, 11:30-12:30
• Seminar Room 1, Newton Institute.

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RNTW03 - New tomographic methods using particles

We consider the inverse problem for the quantitative reconstruction of physical parameters in visco-acoustic media; for instance the recovery of tissue features and identification of embedded bodies. Visco-acoustic attenuation is encoded thereby in wave equations. There exists a zoo of attenuation models in the literature, which are reviewed in the course of this talk. Finally, we review inverse problems of reconstruction of parameters in visco-acoustic media. Particular emphasis will be given to study a mismatch of models used in forward and inverse simulations. If time allows, we will also review results on finite dimensional approximation of variational regularization methods.  This is joint work with Florian Faucher, Inria Bordeaux Sud-Ouest, Université de Pau et des Pays de l’Adour, France.

This talk is part of the Isaac Newton Institute Seminar Series series.

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