Abstract: The visualization of medical volumetric data is an important area of scientific visualization. Its process includes: acquiring volume data, modeling, mapping and rendering etc. This paper surveys the relative techniques of medical volume data visualization, discusses the structure model and expression of medical volume data, analyses the characteristics of various algorithms and acceleration techniques for visualizing volume data. In the end, a brief summation and some promising research directions are presented.

Key words: three-dimension visualization, medical volume data, facing rendering, volume rendering

摘要： 医学体数据的可视化是科学计算可视化的重要研究领域，其处理过程包括体数据的获取、模型的建立、数据的映射、绘制等操作。本文对医学体数据可视化的相关技术进行了综述，讨论了医学体数据的结构模型和表示方法，全面地分析了医学体数据可视化中各种算法和技术的特点，及相关的加速技术，探讨了目前医学体数据可视化存在的问题及发展趋势。

关键词: 医学体数据, 三维可视化, 面绘制, 体绘制