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Image-Based Relighting - Luminance Mapping Based on Lighting Functions  

Manabe, Tomohisa (Kagawa National College of Technology)
Raytchev, Bisser (Graduate School of Engineering, HIROSHIMA University)
Tamaki, Toru (Graduate School of Engineering, HIROSHIMA University)
Kaneda, Kazufumi (Graduate School of Engineering, HIROSHIMA University)
Publication Information
International Journal of CAD/CAM / v.12, no.1, 2012 , pp. 38-47 More about this Journal
Abstract
The paper proposes a method for generating a sequence of images with smooth transition of illumination from two input images with different lighting conditions. Our relighting approach is image-based, such as the light field rendering. We store the luminances (pixel RGB values) into "lighting functions" consisting of a couple of parameters related to normal vectors. Images with different light positions are rendered by interpolating the luminances retrieved from the lighting functions. The proposed method is a promising technique for many applications requiring a scene with variety of lighting effects, such as movies, TV games, and so on.
Keywords
relighting; image-based rendering; luminance distribution; interpolation; luminance mapping;
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