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Iterative reconstruction methods in X-ray CT can provide better image quality than analytical methods but their applications in practice are still limited due to computationally expensive calculations of repeated projection and backprojection operations. In the past decade, GPU-accelerated methods have been successfully used to reduce the computation time for projection and backprojection. However,...
The model-based iterative reconstruction methods have recently found its popularity in X-ray CT reconstruction due to its ability in providing improved image quality (than analytical methods) especially in low-dose condition where it requires less radiation dose delivering through the patient body. However, the application of iterative methods in practice is still limited due to its expensive computation...
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