We propose a low-dimensional region-based shape index to retrieve images.

提出了一种改进的基于区域的形状索引的图象检索方法。

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Traditionally, computer face recognition is based on such factors as the characteristics of the eye region, the shape of the nose, or the width of the mouth.

传统上，用计算机进行人脸识别是基于局部区域的特征例如眼睛、鼻子的形状，或者嘴巴宽度等。

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Based on the conformal conversion method to simplify the shape of the region, derives an analytic function formula of temperature distribution field around a cylindrical heating pipe.

运用保角变换法将复杂的几何区域变换为比较简单的区域，从而推导出供热管道周围的温度场分布解析函数式。

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