基于八叉树快速分类的Shear-Warp交互式体绘制算法  

An Interactive Shear-Warp Volume Rendering Algorithm Based on Fast Classification with Octree

作　　者：史家康[1] 吴克巍[1] 周涛[1] 孙怀江[1] 夏德深[1] 

机构地区：[1]南京理工大学计算机系,南京210094

出　　处：《计算机工程与应用》2004年第2期68-71,共4页Computer Engineering and Applications

摘　　要：基于八叉树的快速分类Shear-Warp算法,是三维规则数据场可视化的一种经典算法。它适用于三维重建过程中用户需要交互式地动态调整透明度变换函数,以观察三维实体的不同细节的应用场合。论文对算法进行了深入的研究和局部的优化。论文首先介绍算法原理,然后给出算法实现模型,最后给出实验结果和进一步的研究前景。The Shear-Warp volume rendering algorithm based on fast classification with octree is one of the classic al-gorithms in the field of volume visualization for3D regular data sets.It applies to the situation that the user needs to interactively adjust the opacity transfer function to observe the varied details of the3D object.The authors studied it comprehensively and gave several partial optimizations in the progress of making use of it.In this paper,they first intro-duce the principle of the algorithm.Then,they present the implementation model of the algorithm.Finally,they give the results of the implementation and the perspective of the future work.

关 键 词：科学可视化 三维重建 体绘制 八叉树 交互式 Shear—Warp 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]