Hausdorff距离可以用来测量出图像之间的相似程度 ,在图像匹配、模式识别有广泛的应用。文中报告了 Hausdorff测量在移动机器人定......

<正>Falconer used the relationship between upper convex density and upper spherical density to obtain elementary density......

Wc investigated the directed graph self similar sets under some weak overlapping condition. We get the multifractal dcco......