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
Ring artifact and beam hardening artifact in CT image of frozen soil： causes and correction methods
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 |
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Ring artifact and beam hardening artifact in CT image of frozen soil： causes and correction methods |
| Shijie CHEN, Wei MA, Guoyu LI |
| 图2 冻土CT图像中的环形伪影 |
| Fig.2 Ring artifacts corrupted in a CT image of frozen soil： CT image at 90 kV scanning voltage （a） and its projection image after Fourier transform （b） |
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