Real-time voxelization for complex polygonal models

Zhao Dong, Wei Chen, Hujun Bao, Hongxin Zhang, Qunsheng Peng
State Key Lab of CAD&CG, Zhejiang Univ., Hangzhou, China
12th Pacific Conference on Computer Graphics and Applications, 2004. PG 2004


   title={Real-time voxelization for complex polygonal models},

   author={Dong, Z. and Chen, W. and Bao, H. and Zhang, H. and Peng, Q.},


   publisher={Published by the IEEE Computer Society}


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In this paper, we present an efficient voxelization algorithm for complex polygonal models by exploiting newest programmable graphics hardware. We first convert the model into three discrete voxel spaces according to its surface orientation. The resultant voxels are encoded as 2D textures and stored in three intermediate sheet buffers called directional sheet buffers. These buffers are finally synthesized into one worksheet, which records the volumetric representation of the target. The whole algorithm traverses the geometric model only once and is accomplished entirely in GPU (graphics processing unit), achieving real-time frame rate for models with up to 2 million triangles.
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