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中文摘要：
在分析传统反投影图像重建产生伪迹的原因后，并考虑工业多相流特点，提出了一种基于反投影数据“求交”运算的新型射线反投影图像重建算法，新的图像重建算法可得到理想的系统点扩展函数，可较好克服重建图像伪迹。通过对典型流型仿真，证明该方法是有效的。
英文摘要：
After analyzing the reason of image reconstructed algorithm by using the conventional back projection （LBP） is prone to produce spurious line, and considering the characteristic of muti-phase flow tomography, a novel image reconstruction algorithm is proposed, which carries out the intersection lation using back projection data. This algorithm can obtain a perfect system point spread function, and can eliminate spurious line better. Simulating results show that the algorithm is effective for identifying multi-phase flow pattern.
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