Second-Order Feed-Forward Renderingfor Specular and Glossy Reflections | IEEE Journals & Magazine | IEEE Xplore

Second-Order Feed-Forward Renderingfor Specular and Glossy Reflections


Abstract:

The feed-forward pipeline based on projection followed by rasterization handles the rays that leave the eye efficiently: these first-order rays are modeled with a simple ...Show More

Abstract:

The feed-forward pipeline based on projection followed by rasterization handles the rays that leave the eye efficiently: these first-order rays are modeled with a simple camera that projects geometry to screen. Second-order rays however, as, for example, those resulting from specular reflections, are challenging for the feed-forward approach. We propose an extension of the feed-forward pipeline to handle second-order rays resulting from specular and glossy reflections. The coherence of second-order rays is leveraged through clustering, the geometry reflected by a cluster is approximated with a depth image, and the color samples captured by the second-order rays of a cluster are computed by intersection with the depth image. We achieve quality specular and glossy reflections at interactive rates in fully dynamic scenes.
Published in: IEEE Transactions on Visualization and Computer Graphics ( Volume: 20, Issue: 9, 01 September 2014)
Page(s): 1316 - 1329
Date of Publication: 22 April 2014

ISSN Information:

PubMed ID: 26357380

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