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 |
图10 射线束硬化伪影校正结果 |
Fig.10 Results after beam hardening correction: (a), (c), (e), (g), (i) and (k) are, respectively, the CT images under 0, 8, 13, 18, 21 and 25 mm filtering; (b), (d), (f), (h), (j) and (l) are, respectively, their CT number profiles along the central section line |
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