冻土CT图像中环形伪影和射线束硬化伪影的成因及校正方法
陈世杰, 马巍, 李国玉

Ring artifact and beam hardening artifact in CT image of frozen soil: causes and correction methods
Shijie CHEN, Wei MA, Guoyu LI
表3 不同厚度滤过材料下的图像质量比较
Table 3 Comparison of image quality under different filter material thickness
滤过材料材质滤过材料厚度/mm感兴趣区域面积/cm²感兴趣区域CT均值标准差信噪比环形伪影情况图像质量评价
029.281 576.2124.612.65严重较差
2A12829.281 434.596.214.91严重较差
2A121329.281 369.184.416.22严重适中
2A121829.281 291.174.517.33降低良好
2A122129.281 230.786.214.28降低较差
2A122529.281 216.5109.811.01降低较差