octree

Research on the Octree Structure Texture Based on GPU

基于GPU的八叉树结构纹理研究与应用

We use least squre method to form conicoid mathematic model and fit the point cloud which has been grouped by octree subpision method.

应用最小二乘法建立二次曲面的数学模型，对于已用八叉树分组的点云数据实现隐函数拟合。

In respect that the properties of cone-beam CT simulated projection, a suite of rapid algorithms based on octree was studied for STL phantom models.

针对STL样本基元，根据锥束CT仿真投影的特点，研究了一套基于八叉树的锥束CT仿真投影快速计算方法。

Finally, based on the sub-octrees, the nodes of the octree of the whole model can be traversed progressively from coarse to fine and compressed with an advanced compression method for handling in-core models.

最后，基于各个局部自适应的八叉树，由粗至细渐进地遍历全局自适应八叉树的各个节点，并利用对内存模型能高效渐进压缩编码的先进方法进行编码压缩。

Based on the octree color quantization algorithm, raised a proper frequency-priority octree color quantization algorithm which is applied to cotton socks pattern design. 2.

在八叉树色彩量化算法的基础上做了必要的改进，提出了适用于棉袜花型设计的严格频度优先的八叉树色彩量化算法。

The algorithm pre-calculated unit gradient of volume data and divide the volume data into multiple data blocks using octree.

算法预先计算体数据的单元梯度，并采用八叉树将体数据划分成多个数据块。

It is an excellent way to use octree for representing three-dimensional ( 3 D ) space.

八元树是一种优秀的三维空间表示方法.

Unstructured Cartesian grid for complex geometries is generated based on Octree data structure.

采用八叉树结构,生成复杂外形绕流计算的非结构直角网格.

This paper presents an efficient implementation of OSP ( octree based space partitioning ) algorithm. Such efficiencymemory needs.

本文从这一目的出发主要研究了八叉空间刨分算法的实现.

At run time, the octree hierarchy was used for coarse global refinement, and the progressive meshes was used for fine local refinement.

在实时绘制阶段，利用八叉树层次进行粗的全局细化，利用渐进网格进行细的局部细化。

Analyze the Characteristics of the linear quadtree and linear octree and describe the linear octree encoding based on the decimal system.

分析了线性四叉树、线性八叉树两种数据结构的特点，介绍了一种基于十进制的线性八叉树编码技术。