基于改进MC算法的牙颌组织3维重建  

3D Reconstruction of Stomatognathic Based on the Improved MC Algorithm

作　　者：单东日[1] 陈向东[1] 朱泽平[1] 高复媛[1] 

机构地区：[1]山东轻工业学院机械工程学院,济南250353

出　　处：《中国图象图形学报》2009年第7期1313-1318,共6页Journal of Image and Graphics

基　　金：山东省优秀中青年科学家科研奖励基金项目(21050101)

摘　　要：移动立方体(MC)算法是面绘制算法的典型代表,但其在抽取的等值面的拓扑结构、表示精度及算法执行效率等方面仍存在缺点,为此,针对MC算法执行效率不高的问题,根据等值面在立方体中的延续性,提出了一种改进的MC方法,并在可视化工具包中予以实现,实验结果表明,改进的MC算法重建牙颌组织所需的时间仅为58s。并以改进的MC算法为基础,开发了牙颌医学图像3维重建系统。应用实例表明,改进的MC算法不仅高效鲁棒,并可对曲面结构复杂的牙颌组织进行3维重建。Marching cubes （MC） algorithm is a typical representative for surface reconstruction method, however, there are still some shortcomings about the topology structure and the represent accuracy of the isosurface which extracted by MC algorithm, and so does the algorithm＇ s execution efficierlcy. Thus, based on the continual characteristic when the isosurface past the cubes, one improved MC algorithm is proposed, which can shorten the execution time obviously. And it＇s realized in visualization tool kit （VTK）. The experiment showed that the stomatognathic reconstruction time can decline to 58s. A new medical 3D reconstruction system for stomatognathic is also developed based on the improved MC algorithm. The application instances show that the improved MC algorithm is efficient and robust, which can be applied successfully in 3D reconstruction for complex curved surface of stomatognathic.

关 键 词：3维重建 面绘制 移动立方体 可视化工具包 牙颌组织 

分 类 号：R814.4[医药卫生—影像医学与核医学]