基于VTK的足部骨骼三维可视化研究  

Three Dimensional Visualization of Foot Bones Based on Visualization Toolkit

作　　者：戴虹[1] 

机构地区：[1]上海第二工业大学电子与电气工程学院,上海201209

出　　处：《上海第二工业大学学报》2014年第3期211-214,共4页Journal of Shanghai Polytechnic University

基　　金：上海第二工业大学校级重点学科(通信与信息系统)第四期建设项目(No.XXKZD1302)资助

摘　　要：基于CT图像序列利用VTK(Visualization Toolkit,可视化工具箱)实现了人体足部骨骼的三维表面重建。采用最大熵阈值算法进行足部骨骼图像分割,将该阈值作为骨骼等值面抽取值;在VC++中利用VTK编程实现了基于移动立方体法的足部骨骼表面重建,并对所得三维表面进行了优化;将所得结果存为三维模型常用的STL文件格式。实验结果表明,此方法获得了理想的可视化效果,可在足部疾病诊断和治疗、手术仿真等方面发挥重要作用。The three dimensional reconstruction of foot bones based on CT image sequences using VTK （Visualization Toolkit） is proposed. （1） The foot bones images are segmented by Maximum Entropy Threshold Algorithm and the threshold is used as an isosurface extraction value of bones. （2） The surface rendering of foot bones based on Marching Cubes Algorithm is realized by VTK programmed with VC＋＋, and the three dimensional surfaces of bones are optimized and stored in STL, and a general 3D model file format. The result of experiment shows that this method obtained desired effect of visualization, and it can play an important role in the diagnosis and treatment for foot diseases and the operation simulation of foot.

关 键 词：VTK 足部骨骼 三维可视化 面绘制 最大熵阈值算法 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]