Colloquium
Geometry of the Phase Retrieval Problem
Charles Epstein, University of Pennsylvania
Thursday, February 28th, 2019
3:30 PM - 4:30 PM
Grgen 108 - Eisenberg Room
3:30 PM - 4:30 PM
Grgen 108 - Eisenberg Room
In several imaging modalities the measured data can be interpreted as the modulus of the Fourier transform of a function describing the unknown object. To reconstruct this object one needs to “recover” the un-measured phase of the Fourier transform. This is a notoriously difficult problem. I will discuss the underlying geometric reasons for this and approaches to improving the performance of standard algorithms.
Event contact: hazel dot mcknight at rochester dot edu
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