基于matlab的CT扇束投影图像重建。最终画出初始位置处各探测器的投影、RL滤波函数、中间探测器处投影随角度的变化、反投影重建图像。main.m为主函数。-Matlab-based CT fan-beam projection image reconstruction. The initial position of the end of the detector shown in projection, RL filter function, with the middle point of