Yongyi Shi

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The continuous development and extensive use of CT in medical practice has raised a public concern over the associated radiation dose to the patient. Reduction of the radiation dose may lead to increased noise and artifacts, which can adversely affect the radiologists judgement and confidence. Hence, advanced image reconstruction from low-dose CT data is(More)
This study aims at predicting accidents for freeways in mountainous and rolling areas in China. The accident prediction model is established in line with the idea of IHSDM accident prediction model, and the geometric alignments are the main considerations during the modeling. Based on the horizontal and longitudinal alignments, the segments were firstly(More)
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