Abstract:To realize low-dose CT, many iterative reconstruction methods have been proposed, but many iterations and high computational complexity are required for each scan. It is necessary to reduce the number of iterations while effectively suppressing artifacts and noise caused by reducing radiation dose for practical use. This study aims to accelerate the algorithm by improving the Chambolle-Pock (CP) algorithm, the latest first-order primal-dual. First, we introduce the Passty framework into the CP algorithm. The p… Show more
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