Bob PoFang Wei

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Given a terrain T and a point <i>v</i>, the viewshed or visibility map of <i>v</i> is the set of points in <i>T</i> that are visible from <i>v</i>. To decide whether a point <i>p</i> is visible one needs to interpolate the elevation of the terrain along the line-of-sight (LOS) <i>vp</i>. Existing viewshed algorithms differ widely in which and how many(More)
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