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DTSTART;TZID=Europe/Berlin:20180226T160000
DTEND;TZID=Europe/Berlin:20180226T180000
DTSTAMP:20180216T094706Z
CREATED:20180131T161505Z
LAST-MODIFIED:20180216T094706Z
UID:1841-1519660800-1519668000@alop.uni-trier.de
SUMMARY:ALOP-Colloquium with Prof. Dr. Geovani Grapiglia
DESCRIPTION:Prof. Dr. Geovani Grapiglia of the Universidade Federal do Parana in Curitiba\, PR\, Brasil will visit with the students of the RTG ALOP to discuss his research as well as speak during our colloquium on the topic of \nImproved Optimization Methods for Image Registration Problems \n \n Abstract: In many applications\, multiple images of the same subject are obtained at different moments in time and under different conditions. The goal is to identify changes in the subject over time. For a fair comparison\, the images need to be aligned in order to overlap the common features. Image Registration is the problem to find the transformation of images leading to the best overlapping. The mathematical modelling of this type of problem often results in large-scale unconstrained optimization problems to solve. The usual approach is to apply Gauss-Newton Method with Armijo line-search embedded in a multi-level coarse-to-fine scheme\, where the solution of the coarse level is used to generate the initial point for the fine level. In this talk\, two alternative approaches will be discussed\, including the use of L-BFGS and subspace techniques. \n  \nThe Colloquium talk with take place in HS 9 at 16:00 c.t.  Please join us for coffee at 15:45 in E 10. \nWe are very pleased to welcome him in Trier!
URL:https://alop.uni-trier.de/event/prof-dr-geovani-grapiglia-to-visit-with-rtg-alop/
LOCATION:Trier University\, E Building\, Universitätsring 15\, Trier\, Germany
CATEGORIES:Colloquium,Scientific Research Collaboration
ORGANIZER;CN="Research Training Group ALOP at Trier University":MAILTO:OptimizationDays@uni-trier.de
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