Fast parallel algorithm for three-dimensional distance-driven model in iterative computed tomography reconstruction<xref ref-type="fn" rid="cpb141557fn1">*</xref>

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†

Three contrast reconstructions of real CT data experiments. First to third columns from left to right are results of (a) matched distance-driven model and (b) ray-driven projection/voxel-driven backprojection model, and (c) unmatched distance-driven model with GPU acceleration. Images from top to bottom row show the results of median sagittal, central coronal, and central transverse sections. The rectangle shows ROI used for SNR calculation.