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Conference Papers Year : 2000

Low-Cost Photometric Calibration for Interactive Relighting

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Abstract

Computer augmented reality is a rapidly emerging field allowing users to mix virtual and real worlds. Our interest is to allow relighting and remodelling of real scenes, using a reflectance estimation method. Most previous work focused on the quality of the results without considering the expense in computation and the price of acquisition equipment. In this paper, we present a low–cost photometric calibration method which improves the reflectance estimate of real scenes. This is achieved by adapting high-dynamic range image creation to a low-cost camera, and an iterative approach to correct reflectance estimation using a radiosity algorithm for indirect light calculation.
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Dates and versions

inria-00510060 , version 1 (17-08-2010)

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  • HAL Id : inria-00510060 , version 1

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Céline Loscos, George Drettakis. Low-Cost Photometric Calibration for Interactive Relighting. Proceedings of the First French-British International Workshop on Virtual Reality, 2000, Brest, France. ⟨inria-00510060⟩
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