实验结果表明，IL校正法能去除射束硬化的影响，并能有效地抑制校正过程中投影噪声的放大。
Experimental results show IL correction method can eliminate beam hardening effect and suppress the projection noise enlargement effectively in correction process.
该方法对X射线进行一定程度的预硬化，通过实验获得预硬化材料种类及射束硬化伪像的校正规律。
The method made the X-ray beam harden at first, and then the kinds of prehardening materials and correction rule of beam hardening artifacts were obtained through experiment.
传统的射束硬化校正方法，通常需要针对每一种材料测量该材料对射线的吸收曲线。
For the empirical beam hardening correction in computerized tomography (ct), it is necessary to measure an attenuation curve for the material.
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