Light Factorization for Mixed-Frequency Shadows in Augmented Reality

 

We focus on the latter of these problems and present an approach that captures and factorizes external lighting in a manner that allows for realistic relighting of both animated and static virtual objects.

October 26, 2011
IEEE International Symposium on Mixed and Augmented Reality (ISMAR) 2011

 

Authors

Derek Nowrouzezahrai (Disney Research)

Stefan Geiger (Disney Research/ETH Joint M.Sc.)

Kenny Mitchell (Disney Research)

Robert W. Sumner (Disney Research)

Wojciech Jarosz (Disney Research)

Markus Gross (Disney Research/ETH Zurich)

Light Factorization for Mixed-Frequency Shadows in Augmented Reality

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Abstract

Integrating animated virtual objects with their surroundings for high-quality augmented reality requires both geometric and radiometric consistency. We focus on the latter of these problems and present an approach that captures and factorizes external lighting in a manner that allows for realistic relighting of both animated and static virtual objects. Our factorization facilitates a combination of hard and soft shadows, with high-performance, in a manner that is consistent with the surrounding scene lighting.

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