Large-Scale Inverse Problems in Imaging

Series
Applied and Computational Mathematics Seminar
Time
Monday, March 1, 2010 - 1:00pm for 1 hour (actually 50 minutes)
Location
Skiles 255
Speaker
James G. Nagy – Mathematics and Computer Science, Emory University – http://www.mathcs.emory.edu/~nagy/
Organizer
Sung Ha Kang
Large-scale inverse problems arise in a variety of importantapplications in image processing, and efficient regularization methodsare needed to compute meaningful solutions. Much progress has beenmade in the field of large-scale inverse problems, but many challengesstill remain for future research. In this talk we describe threecommon mathematical models including a linear, a separable nonlinear,and a general nonlinear model. Techniques for regularization andlarge-scale implementations are considered, with particular focusgiven to algorithms and computations that can exploit structure in theproblem. Examples will illustrate the properties of these algorithms.