2026-10-12T13:12:36Z https://www.scidb.cn/oai

10.57760/sciencedb.07751 2023-03-17T14:36:51Z

2023-03-17 Improved Cohen-Sutherland algorithm for TGS transmission imaging doi:10.57760/sciencedb.07751 en 1. The data in the "touying" folder is calculated by MCNP simulation. 2. The program in the "caijian" folder includes two functions. The function of the "tiaozheng" program is to calculate the coordinates of the upper and lower boundaries of the sensitive area of the radioactive source and the detector at each angle after the rotation according to the five known positions initially at 0 degrees, and then calculate the track length matrix of each detection position at each angle according to the obtained coordinates. 3. The data in the "osem" folder is the projection data and clipping matrix data obtained through the above two steps. Use the osem algorithm to reconstruct the attenuation sparse value of each voxel, and then use three evaluation parameters to compare and analyze the reconstruction value with the preset value.  TGS; Cohen-Sutherland; transmission scanning; trace matrix Yucheng Yan Mingzhe Liu Xingyu Li Yuting Xiong Yao Tan Zhuo Zuo Lan Chang Cui Li PUBLIC https://creativecommons.org/licenses/by/4.0/ dataset http://www.doi.org/10.1007/s41365-023-01238-8 Science Data Bank