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。
The 2d medical image can be transformed into the 3d image by surface reconstruction and volume rendering.
通过表面重建和体绘制，可将医学二维图象转化为三维图象。
Based on the splatting algorithm, an accelerated algorithm is used to pick up the nearest surface volume and realize fast volume rendering.
在抛雪球法的基础上，采用提取最近表面体素的方法实现加速。
The surface rendering extracts isosurface from 3D volume data, and then uses traditional graphical technology to display.
面绘制从三维体数据中抽取物体等值面，通过传统的图形学进行显示；
The surface rendering extracts isosurface from 3D volume data, and then uses traditional graphical technology to display.
面绘制从三维体数据中抽取物体等值面，通过传统的图形学进行显示；
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