3213

Compensated Visual Hull with GPU-Based Optimization

Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara
CVSSP, FEPS, University of Surrey, Guildford, Surrey, GU2 7XH, UK
(2008) Volume: 5353, Publisher: Springer Berlin Heidelberg, Pages: 573-582

@article{kim2008compensated,

   title={Compensated visual hull with gpu-based optimization},

   author={Kim, H. and Sakamoto, R. and Kitahara, I. and Toriyama, T. and Kogure, K.},

   journal={Advances in Multimedia Information Processing-PCM 2008},

   pages={573–582},

   year={2008},

   publisher={Springer}

}

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We propose an advanced visual hull technique to compensate for outliers using the reliabilities of silhouettes. The proposed method consists of a foreground extraction technique with multiple thresholds based on the Generalized Gaussian Family model and a compensated visual hull algorithm. We proved that the proposed technique constructs a compact visual hull even in the presence of segmentation errors and occlusions. The 3D reconstruction and rendering processes are implemented on a graphics processing unit to greatly accelerate computation time.
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