Several key techniques are described including the representation and classification of volume data, typical algorithms of surface rendering, volume rendering and hybrid rendering.
对体视化的几种关键技术进行了分类综述，介绍了体数据的表示和分类，面绘制、体绘制和混合绘制各类典型算法的原理和特点。
Adaptive Hierarchical subdivision of volume data based on the hybrid tree is not only improve the classification speed, but also can be used in interactive volume visualization.
基于混合树的自适应分割的立体可视化方法提高了快速分类的速度，可以用于交互的立体可视化方法。
The authors get the result that way 2 is better than way 1 by processing data, making use of least squares method, volume model and classification exchange model.
我们利用最小二乘法、体积模型、等级换算模型对数据进行处理，得出方法二比方法一的准确性略高。
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