基于美国可视人项目图像的成年男子解剖模型及其在医学虚拟仿真上的应用

A Segmented Adult Male Anatomical Model Developed from Color Images of the Visible Human Project for Medical Physics and Biomedical Engineering Simulations

人体解剖模型在使用蒙特卡罗程序计算核辐射防护剂量中有着不可或缺的重要地位。现存的数学公式化人体模型易于计算和标准化,但是与实际的人体解剖学相比过于简化和粗糙。由美国国家医学图书馆发起的可视人项目(Visible Human Project)提供了一男一女两组的人体彩色光学照片截面图像以及CT和MRI断层扫描图像数据。本文介绍了利用其中男性人体截面彩色照片图像开发全身模型的过程,以及将该模型应用于核辐射传输及与光子、电子、中子和质子产生的全身各器官剂量模拟计算方面的研究。本论文不但介绍了如何开发一个基于图像的人体模型的有关过程,而且介绍了如何将该模型应用于EGS4、MCNP和MCNPX等经过很好测试的蒙特卡罗程序之中的相关工作。

Human anatomical models have been indispensable to radiation protection dosimetry using Monte Carlo calculations. Existing MIRD-based mathematical models are easy to compute and standardize, but they are simplified and crude compared to human anatomy. This article describes the development of an image-based whole-body model, called VIP-Man, using transversal color photographic images obtained from the National Library of Medicine' s Visible Human Project for Monte Carlo organ dose calculations involving photons, electrons, neutrons, and protons. This article provides information about how to construct an image-based model, as well as how to adopt it into well-tested Monte Carlo codes, EGS4, MCNP, and MCNPX.