Real-time Realistic Voxel-based Rendering

dc.contributor.authorChang, S.-H.en_US
dc.contributor.authorLai, Yu-Chien_US
dc.contributor.authorNiu, Yuzhenen_US
dc.contributor.authorLiu, Fengen_US
dc.contributor.authorHua, K.-L.en_US
dc.contributor.editorBing-Yu Chen and Jan Kautz and Tong-Yee Lee and Ming C. Linen_US
dc.date.accessioned2013-10-31T09:37:03Z
dc.date.available2013-10-31T09:37:03Z
dc.date.issued2011en_US
dc.description.abstractWith the advance of graphics hardware, setting 3D texture as render target is newly available to allow voxelization algorithms to record the existence, color and normal information in a voxel directly without specific encoding and decoding mechanism. In this paper two new voxel-based applications are proposed to take advantage of this new functionality for interactively rendering realistic lighting effects including shadow of objects with complex occlusion and refraction and transmission of transparent objects. An absorption coefficient is computed according to the number of surface drawing in each voxel during voxelization and used to compute the amount of light passing through partial occluded complex objects. The refraction and transmission of light passing through transparent objects is simulated by our multiple refraction algorithm using surface normal, transmission coefficient and refraction index in each voxel. All these applications can generate the result in real-time without any preprocessing step. Additionally, we also found that the newly available geometry shader can be used to transform a highly complex surface-represented scene into a set of high-resolution voxels in only one GPU pass. This possibly improve the efficiency of the voxelization process.en_US
dc.description.seriesinformationPacific Graphics Short Papersen_US
dc.identifier.isbn978-3-905673-84-5en_US
dc.identifier.urihttps://doi.org/10.2312/PE/PG/PG2011short/001-006en_US
dc.publisherThe Eurographics Associationen_US
dc.subjectCategories and Subject Descriptors (according to ACM CCS): I.3.5 [Computer Graphics]: Computational Geometry and Object Modeling-Curve, surface, solid, and object representationsen_US
dc.titleReal-time Realistic Voxel-based Renderingen_US
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