Low-dose image reconstruction for 4D Cone Beam CT: sparsity, algorithm, and implementation

Applied and Computational Mathematics Seminar
Monday, November 19, 2012 - 14:00
1 hour (actually 50 minutes)
Skiles 005
Dep of Math and CS/ Dep of Radiology and Imaging Sciences, Emory University
 I will talk about (1) a few sparsity models for 4DCBCT; (2) the split Bregman method as an efficient algorithm for solving L1-type minimization problem; (3) an efficient implementation through fast and  highly parallelizable algorithms for computing the x-ray transform and its adjoint.