等值面的高质量显示方法

等值面是描述体数据中所含特定器官表面的有效方式，因此对等值面进行快速高质量的显示就显得非常重要。与以往的等值面显示算法不同，本文提出的方法不需要用三角形网格去逼近等值面然后再对三角形网格进行显示，而是直接对原始等值面进行显示，从而避免了三角化过程中的计算损耗和精度损失等问题，保证了等值面轮廓不会出现锯齿状现象，使等值面的显示既快速又准确。

HIGH-QUALITY RENDERED IMAGE GENERATION OF ISOSURFACE

Isosurfaces are successfully used in representing the surfaces of organs and tissues from volume data. It is important to rapidly generate high-quality rendered image of isosurfaces. Unlike other isosurface rendering algorithms, the method proposed in this paper does not need to construct triangular mesh to approximate the isosurfaces and then render the set of triangular polygons. It displays the isosurfaces directly, sotriangulation process is avoided and accuracy is improved,and manifests are eliminated.