[Low-dose helical CT projection data restoration using noise estimation].

F He, Y Wang,X Tao, M Zhu, Z Hong,Z Bian,J Ma

Nan fang yi ke da xue xue bao = Journal of Southern Medical University（2022）

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摘要

The proposed method can effectively suppress noises and reduce artifacts in the projection data at different low-dose levels while preserving the integrity of the edges and fine details of the reconstructed CT images.

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关键词

deep learning,low-dose helical computed tomography,noise estimation,projection data restoration

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