Real-Time Illumination for Two-Level Volume Rendering

摘要: We propose improvements to real-time two-level rendering incorporating ray cast shadows and ambient occlusion of 3D volumetric datasets. Our calculation utilises the same sampling scheme as standard per-voxel Phong shading thus allowing for an extremely computationally efficient in comparison other algorithms. technique requires no pre-processing, does not significantly increase memory requirements is compatible with volume renderers. validate these techniques through a number user experiments. The results indicate that our method increases visual information image. Meanwhile, appear provide hypothesised improvement image understanding, however this raises some interesting implications regarding practical relevance such renderings.