fan-beam相关论文
In this paper we develop a general exact fan-beam reconstruction algorithm for free-form trajectories not only closed bu......
Investigation of Exact Truncated Data Image Reconstruction Algorithm on Parallel PI-Line Segments in
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Investigation of Exact Truncated Data Image Reconstruction Algorithm on Parallel PI-Line Segments in
Some novel reconstruction algorithms have recently been proposed to solve the problem of reconstruction from transverse ......
In this paper we develop a general exact fan-beam reconstruction algorithm for free-form trajectories not only closed bu......
本文提出重建扇形束图像的一簇新的混合算法。这簇新方法使得重建扇形束图像既不产生偏差,又可改进扇形图像中的噪声性质。同时,通过......
基于Novikov反演公式针对扇形束投影得到了一种过滤背投影(FBP)算法,利用欧拉公式预先完成了取实步骤,使结果中不再需要取实,大大......
Image Reconstruction from Fan-Beam Projections without Back-Projection Weight in a 2-D Dynamic CT: C
In a dynamic CT, the acquired projections are corrupted due to strong dynamic nature of the object, for example: lungs, ......
在CT扫描过程中,由于电离辐射作用会导致病人产生癌症或者基因损伤,所以发展低剂量的成像算法正成为热点研究。作为局部成像算法之......
星载微波散射计可以提供全球、全天候、高精度、高分辨率和短周期的海面风场数据。根据雷达天线足印的形状,雷达散射计主要包括扇......
运用扇束扫描数据采集系统获得三维流场辐射谱强度数据,并采用重排算法及MART技术相结合作为扇形束辐射层析重建算法.通过数值模拟进......