Firstly, a new surface detecting and tracing algorithm is proposed in this dissertation based the connectivity characteristics of the edge surface.

首先，本文基于连续边缘曲面的连通特性，提出了一个三维图像中阶梯型边缘曲面的检测与追踪算法。

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By adjusting the communication range of sensor nodes, the VGSR algorithm can minimize the size of the MAC address and meanwhile guarantee the connectivity of the sensor network.

通过调整传感器节点的通信半径，VGSR算法能够在保证网络不失连通性的同时最大限度地降低MAC地址大小。

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In watermarking algorithm based on adaptive matrix, firstly, an adaptable matrix is designed to evaluate the smoothness and the connectivity of binary images.

本文提出了基于自适应矩阵的二值图像水印嵌入算法和基于复杂矩阵的二值图像水印算法。

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