A method of image processing was developed to describe the radiotherapy treatment planning, and the back-projection reconstruction method was used to program the radiotherapy treatment planning.

本文提出一种用图像描述放射治疗计划的方法，并利用直接反投影图像的重建算法进行放射治疗计划设计。

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The article try to make image manipulation and analysis to the Back Projection reconstruction image to enhance the resolving power and achieve a clearer image.

所以本论文尝试对反投影重建图像进行图像处理，提高反投影图像的分辨率，以求得到较为清晰的图像。

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After comparing different algorithms, this paper introduces convolution back projection algorithm for the parallel image reconstruction.

本文在比较了各种算法后，采用卷积反投影算法作为并行图像重建的算法。

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