目的将三源ct精确重建算法应用到动态重建的场合，用于抑制心脏或呼吸运动在CT成像中产生的伪迹。

Objective to reduce the artifacts produced by cardiac or respiratory motion, through the application of exact reconstruction algorithm with triple-source ct in dynamic reconstruction.

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提到的算法是有效和可靠的一对弱纹理和标准件，分别给出精确的3 - D坐标与实际自然图像的三维重建。

The algorithm mentioned is valid and reliable by 3d reconstruction on a pair of actual natural images with weak texture and the standard piece with given precise 3-d coordinates, respectively.

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为获得更精确的重建结果，提出了一种改进的交互式医学图像分割算法；

To obtain the more accurate results, an interactive image segmentation algorithm is presented.

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