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Global Illumination

Global Illumination

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Global Illumination

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  1. Global Illumination Collected Images D. House 11/24/09

  2. Radiosity

  3. The Cornell Box

  4. Where: Bi is the radiosity of patch I, Ei is emitted energy, Ri is the reflectivity of the patch. • All j (j != i) in the rendered environment are integrated for BjFjidAj, to determine the energy leaving each patch j that arrives at patch i. • Fij is the constant-valued view factor for the radiation leaving i and hitting patch j. • The reciprocity: • For ease of use the integral is replaced and uniform radiosity is assumed over the patch:

  5. Radiosity for Architectural Rendering

  6. Photon Mapping

  7. Cornell Box with refractions and reflections

  8. Caustics

  9. Subsurface Scattering