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

Series
Applied and Computational Mathematics Seminar
Time
Monday, November 19, 2012 - 2:00pm for 1 hour (actually 50 minutes)
Location
Skiles 005
Speaker
Hao Gao – Dep of Math and CS/ Dep of Radiology and Imaging Sciences, Emory University – haog@mathcs.emory.edu – http://www.mathcs.emory.edu/~haog/
Organizer
Sung Ha Kang
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.