Global Illumination

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Global Illumination (GlobIllum)

Vorlesung

The lecture continues the module Computer Graphics by diving deeper into physically-based lighting simulation using ray tracing. We see how ray tracing can be extended to achieve nice effects such as depth of field, indirect lighting, caustics etc. We learn about models that describe the reflection off surfaces, and how we can include them in ray tracing efficiently. We look into path tracing, distribution tracing, (multiple) importance sampling, and see the difference between Monte Carlo and Metropolis. Great fun, if you are not afraid of integrals! In detail, we consider

• Advanced Effects with Eye Rays
• Physics of Light
• Distribution Ray Tracing
• Rendering Equation
• Numerical Integration with Monte-Carlo-Methods
• Importance Sampling, Multiple Importance Sampling, Metropolis Sampling
• Environment Lighting
• Tone Mapping
• Photon Maps, Light Cuts, ...

• Pharr, Jakob, Humphreys: "Physically based rendering: from theory to implementation"
• Dutre, Bekaert, Bala: "Advanced Global Illumination"

Prerequisites We assume that you have successfully participated in the module "Computer Graphics". Registration No registration is required, just appear for the first lecture. Tutorials The tutorials are programming assignments, in which you have to apply the techniques you heard about in the lecture in little example applications. Exercises require programming in C++, but at a quite simple level, so knowledge of C or JAVA and the eagerness to learn a new programming language should suffice. To support with the exercises, we offer help during speaking hours in one of the CIP-Pools, as well as a forum with offline support. To pass the exercises, students have to achieve at least 50% of the possible points. Modules The Global Illumination module is worth 5 ECTS points. To pass it, you have to participate in the exercises and get 50% of the possible points. The final grade is determined in an oral exam over 30 minutes. Note that it is possible to combine Global Illumination with Interactive Computer Graphics to a 10 ECTS module with only one single 30 minute oral exam.

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Global Illumination (GlobIllum)

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Englisch

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