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Marble, cloth, paper, skin, milk, cheese, bread, meat, fruits, plants, fish, water, snow, etc. ... Fresnel transmittance. Single scattering. Single Scattering Term ...
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BSSRDF: Bidirectional Surface Scattering Reflectance Distribution Functions Based on:
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'A Practical Model for Subsurface Light Transport' ... BSSRDF Translucence, Color Bleeding. BRDF Opague, Hard-looking... But... BSSRDF is EXPENSIVE ...
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Efficient Rendering of Local Subsurface Scattering. Tom Mertens1, ... translucent. BSSRDF model. function of distance. introduced by Jensen et al. (SIGGRAPH'01) ...
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Computer Graphics Global Illumination: Photon Mapping, Participating Media Lecture 12 Taku Komura BSSRDF Bidirectional Scattering Surface Reflectance Distribution ...
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Title: 1 Author: cyy Last modified by: cyy Created Date: 1/8/2005 9:49:33 AM Document presentation format: (4:3) Company
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Multiple Scattering in Vision and Graphics. Lecture #21. Thanks to Henrik ... Taking into account the Fresnel reflection at the boundary for both the incoming ...
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Today Types of reflection models The BRDF and reflectance The reflection equation Ideal reflection and refraction Fresnel effect Ideal diffuse Next lecture
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Radiation flux (electromagnetic flux, radiant flux) Units: Watts ... Fresnel Reflection. Increasing specularity near grazing angles. Source: Lafortune et al. 97 ...
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Determine what light strikes what surfaces. Basic fact: Light is linear ... Torrance Sparrow models roughness of surfaces and shadowing of microfacets. ...
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4 College of Computer and Information Science, Northeastern University. Early TV. 5 ... Jurassic Park III, Pearl Harbor,ILM. Planet of the Apes, Asylum ...
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PRT Summary Motivation for Precomputed Transfer Precomputed Radiance Transfer (PRT) represent lighting using spherical harmonics low frequency = few coefficients ...
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Introduction to Light Scattering:
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Clustered Principal Components for Precomputed Radiance Transfer Peter-Pike Sloan Microsoft Corporation Jesse Hall, John Hart UIUC John Snyder Microsoft Research
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Interactive Rendering of Translucent Deformable Objects. Tom Mertens1, Jan Kautz2, ... fresnel. tone mapping. shadow map. Results. 5-10 fps for 10-20K tris models ...
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Visual Chatter in the Real World
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Visual Chatter in the Real World
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... Complex lighting Complex lighting Refraction/dispersion Caustics Realistic materials Translucent objects Texture ... more concrete Has been used in some ...
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Digital light sources (Projectors) can produce a subset of these rays. Cleaner Formulation: ... Digital Light Input: Light meter: measure visible irradiance E ...
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SFM to reconstruct points from feature points (camera geometry, ... Generalized Lambertian [ Oren, Nayar 1995] Throughly Pitted surfaces [Koenderink et al 1999] ...
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BRDFs. Randy Rauwendaal. Acronyms. BRDF Bidirectional Reflectance ... The differential solid angle is defined to be the area of the small blue patch ...
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(Not so) Stupid Use of Shadow Buffers. A shadow texture is a floating point depth pass, so ... compute outgoing fresnel transmission direction ...
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Project and Presentation: 15% 9 ... 1954 color TV. 1955 Light Pen, SAGE- Lincoln Lab. 1958 ... 1970 Bezier free-form curve representation. 1971 Gouraud shading ...
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Global Illumination Jian Huang, CS 594, Fall 2002 This set of s reference text book and the course note of Dutre et. al on SIGGRAPH 2001 Looking Back Ray-tracing ...
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It's all about porting and speed. How to implement on the GPU, especially NVidia's ... All cheats except for ray engine. Need more GPU global illumination algorithms ...
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Clustered Principal Components for Precomputed ... Jesse Hall, John Hart. UIUC. John Snyder. Microsoft Research. Demo. PRT Terminology. PRT Terminology ...
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Friday May 16 3:00pm, Rm 381, CS Dept. Light Scattering Models. for ... Tele-photo a mirror sphere (narrow FOV) warp image to find irradiance .vs. direction ...
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Hardware can do this almost for free and I can't think of a card that doesn't do ... Doom III and Half-Life 2 usher in a new era of realism. History ...
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