...八叉树算法，特征提取，图像分割，重建加速 [gap=767]Keywords: Foam Aluminum; Micro CT; Volume Rendering; Octree Algorithm; Characteristics Extraction; Segmentation of ROI; Acceleration of Reconstructio..
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The improved algorithm decreases space complexity in contrast to initial octree algorithm.
同时运用改进八叉树层次分割算法,与基本八叉树算法相比,改进了算法的空间复杂度。
参考来源 - 运用改进的八叉树算法实现精确碰撞检测·2,447,543篇论文数据，部分数据来源于NoteExpress
本文采用了基于空间分割方法的八叉树算法并对该算法进行了改进。
In this paper, an octree algorithm based on spatial partitioning system is adopted and improved.
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。
Algorithms for translation and rotation of linear octree were presented which have linear complexity in time.
在基于顶点聚类的网格简化算法中，通常对网格模型进行八叉剖分来建立一棵顶点树以表示整个网格模型的数据结构；
In the algorithm of mesh simplification based on vertex clustering, a vertex tree is built to represent the data structure of the models by octonary subdivision.
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