Voxel Coloring Solutions
1.  C=2 (silhouettes)
•Volume intersection [Baumgart 1974]
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2.  C unconstrained, viewpoint constraints
•Voxel coloring algorithm [Seitz & Dyer 97]
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3.  General Case
•Space carving [Kutulakos & Seitz 98]
>For more info:  http://www.cs.washington.edu/homes/seitz/papers/kutu-ijcv00.pdf
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