Tabletop Computed Lighting for Practical Digital Photography

Authors:
Ankit Mohan;Reynold Bailey;Jonathan Waite;Jack Tumblin;Cindy Grimm;Bobby Bodenheimer
Affiliations:
-;-;-;IEEE;IEEE;IEEE
Venue:
IEEE Transactions on Visualization and Computer Graphics
Year:
2007

Citing 17
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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.