A new technique named local aperture grid optimization arithmetic was presented to improve the efficiency of the classical method.

为改善计算效率，提出了一种局部口面网格优化算法对射线追踪法进行改进。

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A new method that combines the ellipsoid method and affine arithmetic is presented.

本文提出了一种结合椭球算法和仿射算术的新方法求解鲁棒性几何规划。

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In image retrieval, it gives a new method to get shape character of image, and image retrieval operation based the arithmetic was realized.

在图像检索中，该算法用一种新方式提取形状特征，实现了基于该算法的图像检索操作。

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