Based on the volume rendering algorithms, the dissertation presents Projection algorithm based on Voxel, in which the opacity parameter is introduced to achieve an 3d image with translucent effect.

在体绘制算法中，提出了基于体素的投影算法，将不透明度参数引入绘制过程，得到具有半透明效果的三维图像。

youdao

The faint projection of a plot synopsis in calligraphic lettering on a draped, translucent curtain is too brief and hazy to be fully taken in.

WSJ: Giselle at the D?j?ji Temple | Yasuko Yokoshi | Bell | New York Live Arts | By Robert Greskovic