Fast parallel algorithm for three-dimensional distance-driven model in iterative computed tomography reconstruction*
Chen Jian-Lin, Li Lei, Wang Lin-Yuan, Cai Ai-Long, Xi Xiao-Qi, Zhang Han-Ming, Li Jian-Xin, Yan Bin†
       
The geometry of the x-ray imaging system. S represents the x-ray source, and f i , j , k represents the 3D reconstructed object.