因此，本系统使用以直方图为模式特征，以均值平移算法为计算方法的实时跟踪算法为本系统的核心跟踪算法。
Therefore, the kernel-tracking algorithm in our system is based on the mode of histogram and the search method of Mean Shift algorithm.
首先利用灰度投影法得到相邻两幅图像的平移量，在此基础上再利用块匹配算法进行分块处理。
First, we calculate the translation between two images by gray projection algorithm, then we use the block-matching algorithm in the divided blocks.
线性八叉树编码是一种有效的表示三维物体的方法。给出了线性八叉树的平移和旋转算法，它们都有线性的时间复杂性。
Linear octree encoding provides a effective way for tridimensional of objects. Algorithms for translation and rotation of linear octree were presented which have linear complexity in time.
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