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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Tabletop computed lighting for practical digital photography.
    Author: Mohan A, Bailey R, Waite J, Tumblin J, Grimm C, Bodenheimer B.
    Journal: IEEE Trans Vis Comput Graph; 2007; 13(4):652-62. PubMed ID: 17495326.
    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.
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