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Enhancing Resolution in Undersampled Physical Imaging

Thursday, 1 March, 2018 - 16:00
Complex Plateau - UGent
Jozef Plateaustraat 22 - Gent
2nd Lecture Francqui Chair

Speaker: Robert Calderbank, Duke University

Abstract: Compressed sensing MRI was first proposed by Lustig and Donoho, and it is now starting to appear in commercial systems. Candes, Tao and Romberg used Incoherence between measurements and representations of signals to develop performance guarantees for compressed sensing. We demonstrate here that fidelity and resolution in physical imaging systems can be improved by taking advantage of shared asymptotic characteristics of signals and measurement devices. We present new experimental results, obtained by Bogdan Roman and colleagues, explaining why and how improvements are possible.

Int. Francqui Chair Promoters: Prof. Nikos Deligiannis and Prof. Jan Cornelis

UGent Promoters: Prof. Aleksandra Pizurica and Prof. Marc Moeneclaey

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