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Tabletop Computed Lighting for Practical Digital Photography
July/August 2007 (vol. 13 no. 4)
pp. 652-662

Abstract—We apply simplified image-based lighting methods to reduce the equipment, cost, time, and specialized skills required for high-quality photographic lighting of desktop-sized static objects such as museum artifacts. We place the object and a computer-steered moving-head spotlight inside a simple foam-core enclosure and use a camera to record photos as the light scans the box interior. Optimization, guided by interactive user sketching, selects a small set of these photos whose weighted sum best matches the user-defined target sketch. Unlike previous image-based relighting efforts, our method requires only a single area light source, yet it can achieve high-resolution light positioning to avoid multiple sharp shadows. A reduced version uses only a handheld light and may be suitable for battery-powered field photography equipment that fits into a backpack.

Index Terms:
Image-based lighting, enclosure lighting, handheld lighting, controllable lighting, digital photography.
Ankit Mohan, Reynold Bailey, Jonathan Waite, Jack Tumblin, Cindy Grimm, Bobby Bodenheimer, "Tabletop Computed Lighting for Practical Digital Photography," IEEE Transactions on Visualization and Computer Graphics, vol. 13, no. 4, pp. 652-662, July-Aug. 2007, doi:10.1109/TVCG.2007.1008
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