On the Fly Best View Detection using Graphics Hardware

P.-P. Vázquez and M. Sbert (Spain)

Keywords

Camera placement, Graphics Hardware, Information The ory.

Abstract

Selection of good camera positions has many applications in Computer Graphics. It can be used to compute a walk through inside a scene that shows a higher amount of in formation or to select a minimal set of views for Image Based Rendering. However, the selection of a good view is costly, even when using OpenGL for fast rendering, as it is necessary to analyze a high amount of camera posi tions. In this paper we show how histograms, an OpenGL extension available in current graphics hardware, may be used together with an adaptive algorithm in order to obtain on the fly best views for objects of moderate complexity (several thousands of polygons).

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