Isosurface Ambient Occlusion and Soft Shadows with Filterable Occlusion Maps

@inproceedings{Penner2008IsosurfaceAO,
  title={Isosurface Ambient Occlusion and Soft Shadows with Filterable Occlusion Maps},
  author={Eric Penner and Ross Mitchell},
  booktitle={Volume Graphics},
  year={2008}
}
Volumetric data sets are often examined by displaying isosurfaces, surfaces where the data or function takes on a given value. We propose a new method for rendering isosurfaces at interactive rates while supporting dynamic ambient occlusion and/or soft shadows and requiring minimal pre-computation time. By approximating the occlusion in a region as the percentage of occluding voxels in that region, we reduce the ambient occlusion problem to the same problem faced in soft shadow mapping… CONTINUE READING

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