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Wavelet Applications for Rendering Speaker: Yung Chum Lu
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Outline Introduction of Rendering Application I Application II Review Haar Something Interesting
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Rendering
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Story Board
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Create a 2D picture of a 3D world
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Ray Tracing
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Direct Illumination
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point light Path Tracing point light
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Direct Illumination
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Path Tracing
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Pixar
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Why Ray Tracing
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Tron
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Review of 1-D Haar Mother Basis General Basis Scaled Basis 01 1 0101
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Property 1 01 1 01
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Property 2 01 1
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Property 3 0101
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Application I Triple Product Wavelet Integrals for All-Frequency Relighting Ren Ng Stanford University Ravi Ramamoorthi Columbia University Pat Hanrahan Stanford University
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Triple Core Problem
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Double Product Integral
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Triple Product Integral
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2-D Haar 01 01 1
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Triple Product Integral in 2-D Haar
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Preliminaries
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All three basis are wavelet
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Some are scaling function
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Application II Wavelet Importance Sampling: Efficiently Evaluating Products of Complex Functions Petrik Clarberg Lund University / UC San Diego Wojciech Jarosz UC San Diego Tomas Akenine-M¨oller Lund University Henrik Wann Jensen UC San Diego
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The Core Problem
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Warping
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Generalized Wavelet Product
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Light Field Camera Ren Ng
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