Abstract
Yu and Wang [1, 2] implemented the first theoretically exact spiral cone-beam reconstruction algorithm developed by Katsevich [3, 4]. This algorithm requires a high computational cost when the data amount becomes large. Here we study a parallel computing scheme for the Katsevich algorithm to facilitate the image reconstruction. Based on the proposed parallel algorithm, several numerical tests are conducted on a high performance computing (HPC) cluster with thirty two 64-bit AMD-based Opteron processors. The standard phantom data [5] is used to establish the performance benchmarks. The results show that our parallel algorithm significantly reduces the reconstruction time, achieving high speedup and efficiency.
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Deng, J., Yu, H., Ni, J. et al. A Parallel Implementation of the Katsevich Algorithm for 3-D CT Image Reconstruction. J Supercomput 38, 35–47 (2006). https://doi.org/10.1007/s11227-006-6675-0
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DOI: https://doi.org/10.1007/s11227-006-6675-0