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Issue No.02 - March/April (2007 vol.13)
pp: 272-280
<p><b>Abstract</b>—In this paper, we present a simple and practical technique for real-time rendering of caustics from reflective and refractive objects. Our algorithm, conceptually similar to shadow mapping, consists of two main parts: creation of a caustic map texture, and utilization of the map to render caustics onto nonshiny surfaces. Our approach avoids performing any expensive geometric tests, such as ray-object intersection, and involves no precomputation; both of which are common features in previous work. The algorithm is well suited for the standard rasterization pipeline and runs entirely on the graphics hardware.</p>
Caustics, real-time rendering, image-space techniques, GPU.
Musawir A. Shah, Jaakko Konttinen, Sumanta Pattanaik, "Caustics Mapping: An Image-Space Technique for Real-Time Caustics", IEEE Transactions on Visualization & Computer Graphics, vol.13, no. 2, pp. 272-280, March/April 2007, doi:10.1109/TVCG.2007.32
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