I'm a rendering engineer working at Sony Pictures Imageworks in the in-house render engine Arnold. This is a list of the publications I have contributed to.
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Adaptive Caustics Rendering in Production with Photon Guiding (EGSR 2020) Alejandro Conty, Christopher Kulla * Full paper * Recorded talk |
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A Microfacet-Based Shadowing Function to Solve the Bump Terminator Problem (Ray Tracing Gems 2019) Alejandro Conty, Pascal Lecocq, Clifford Stein * Full paper pre-print |
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Sony Pictures Imageworks Arnold (ACM Transactions on Graphics 2018) Christopher Kulla, Alejandro Conty, Clifford Stein, Larry Gritz * Full paper |
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Talk: Fast Product Importance Sampling of Environment Maps (Siggraph 2018). Alejandro Conty, Pascal Lecocq * Talk abstract * Talk slides |
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Importance Sampling of Many Lights With Adaptive Tree Splitting (HPG 2018). Alejandro Conty, Christopher Kulla * Full paper (UPDATE: fixed error on eq 10) * Conference slides |
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Talk: Importance Sampling of Many Lights With Adaptive Tree Splitting (Siggraph 2017). Alejandro Conty, Christopher Kulla * Talk abstract * Talk slides |
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Course: Revisiting Physically Based Shading at Imageworks (Siggraph 2017) Christopher Kulla, Alejandro Conty * Course website * Our slides * Our sheen model report: Production Friendly Microfacet Sheen BRDF |
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BSSRDF Importance Sampling (Siggraph 2013) Alan King, Christopher Kulla, Alejandro Conty, Marcos Fajardo * Talk abstract * Talk slides |
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Open Shading Language (Siggraph 2010) Larry Gritz, Clifford Stein, Chris Kulla, Alejandro Conty * Talk abstract * Github project * Light Path Expressions LPEs |
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Parallelizing Automatic Induction of Langton Parameter with Genetic Programming (2007) Santiago Garcia Carbajal, David Corne, Alejandro Conty * Paper PDF |
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YafRay (Yet Another Free RAYtracer) 2002. Now discontinued and rebooted as a new project YafaRay * New project, not developed by me: YafaRay * Wikipedia entry |