For the empirical beamhardening correction in computerized tomography (ct), it is necessary to measure an attenuation curve for the material.
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。
2
This paper introduces a simple and practical method to correct the beamhardening artifacts, which is different from the method of software correction model.
研究一种有别于软件校正模型的更为简单实用的射束硬化伪像校正方法。
3
Experimental results show IL correction method can eliminate beamhardening effect and suppress the projection noise enlargement effectively in correction process.