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Cornell University Program of Computer Graphics
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Fitting virtual lights for non-diffuse walkthroughs.

Bruce Walter, Gün Alppay, Eric Lafortune, Sebastian Fernandez, and Donald P. Greenberg.

In Turner Whitted, editor, SIGGRAPH 97 Conference Proceedings, Annual Conference Series, pages 45--48. ACM SIGGRAPH, Addison Wesley, August 1997.

This paper describes a technique for using a simple shading method, such as the Phong lighting model, to approximate the appearance calculated by a more accurate method. The results are then suitable for rapid display using existing graphics hardware and portable via standard graphics API's. Interactive walkthroughs of view-independent nondiffuse global illumination solutions are explored as the motivating application.

This paper is available as a PDF file WAL+97.pdf (665K).

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