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# Robust epsilon visibility

@inproceedings{Duguet2002RobustEV, title={Robust epsilon visibility}, author={Florent Duguet and George Drettakis}, booktitle={SIGGRAPH}, year={2002} }

- Published 2002 in SIGGRAPH
DOI:10.1145/566570.566618

Analytic visibility algorithms, for example methods which compute a subdivided mesh to represent shadows, are notoriously unrobust and hard to use in practice. We present a new method based on a generalized definition of extremal stabbing lines, which are the extremities of shadow boundaries. We treat scenes containing multiple edges or vertices in degenerate configurations, (e.g., collinear or coplanar). We introduce a robust ε method to determine whether each generalized extremal stabbing… CONTINUE READING

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