Table-top computed lighting for practical digital photography

Ankit Mohan; Jack Tumblin; Bobby Bodenheimer; Cindy Grimm; Reynold Bailey

doi:10.1145/1185657.1185742

Table-top computed lighting for practical digital photography

Ankit Mohan, Jack Tumblin, Bobby Bodenheimer, Cindy Grimm, Reynold Bailey

Computer Science

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Scopus citations

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 quickly record low-resolution photos as the light scans the box interior. Optimization guided by interactive user sketching selects a small set of frames whose weighted sum best matches the target image. The system then repeats the lighting used in each of these frames, and constructs a high resolution result from re-photographed basis images. Unlike previous image-based relighting efforts, our method requires only one light source, yet can achieve high resolution light positioning to avoid multiple sharp shadows. A reduced version uses only a hand-held light, and may be suitable for battery-powered, field photography equipment that fits in a backpack.

Original language	English (US)
Title of host publication	SIGGRAPH 2006 - ACM SIGGRAPH 2006 Courses
Publisher	Association for Computing Machinery, Inc
ISBN (Electronic)	1595933646, 9781595933645
DOIs	https://doi.org/10.1145/1185657.1185742
State	Published - Jul 30 2006
Event	2006 ACM SIGGRAPH Courses, SIGGRAPH 2006 - Boston, United States Duration: Jul 30 2006 → Aug 3 2006

Publication series

Name	SIGGRAPH 2006 - ACM SIGGRAPH 2006 Courses

Other

Other	2006 ACM SIGGRAPH Courses, SIGGRAPH 2006
Country/Territory	United States
City	Boston
Period	7/30/06 → 8/3/06

Funding

We would like to thank the computer graphics group at Northwestern University for their support and feedback and the anonymous reviewers for their helpful comments and suggestions. Thanks to Jingjing Meng and Xing Hu for help in early stages of the project, Kelli Johnson and Nathan Mat-suda for help with the construction of the enclosure, Vincent Masselus and Amy Gooch for help with Figure 2, and Hol-ger Winnemöller for help with the video. This research was funded in part by NSF grants 0238062 and 0237621.

ASJC Scopus subject areas

Computer Graphics and Computer-Aided Design
Software
Human-Computer Interaction

Access to Document

10.1145/1185657.1185742

Cite this

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title = "Table-top computed lighting for practical digital photography",

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 quickly record low-resolution photos as the light scans the box interior. Optimization guided by interactive user sketching selects a small set of frames whose weighted sum best matches the target image. The system then repeats the lighting used in each of these frames, and constructs a high resolution result from re-photographed basis images. Unlike previous image-based relighting efforts, our method requires only one light source, yet can achieve high resolution light positioning to avoid multiple sharp shadows. A reduced version uses only a hand-held light, and may be suitable for battery-powered, field photography equipment that fits in a backpack.",

author = "Ankit Mohan and Jack Tumblin and Bobby Bodenheimer and Cindy Grimm and Reynold Bailey",

note = "Funding Information: We would like to thank the computer graphics group at Northwestern University for their support and feedback and the anonymous reviewers for their helpful comments and suggestions. Thanks to Jingjing Meng and Xing Hu for help in early stages of the project, Kelli Johnson and Nathan Mat-suda for help with the construction of the enclosure, Vincent Masselus and Amy Gooch for help with Figure 2, and Hol-ger Winnem{\"o}ller for help with the video. This research was funded in part by NSF grants 0238062 and 0237621. Publisher Copyright: {\textcopyright} The Eurographics Association 2005.; 2006 ACM SIGGRAPH Courses, SIGGRAPH 2006 ; Conference date: 30-07-2006 Through 03-08-2006",

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Mohan, A, Tumblin, J, Bodenheimer, B, Grimm, C & Bailey, R 2006, Table-top computed lighting for practical digital photography. in SIGGRAPH 2006 - ACM SIGGRAPH 2006 Courses., 3, SIGGRAPH 2006 - ACM SIGGRAPH 2006 Courses, Association for Computing Machinery, Inc, 2006 ACM SIGGRAPH Courses, SIGGRAPH 2006, Boston, United States, 7/30/06. https://doi.org/10.1145/1185657.1185742

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N2 - 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 quickly record low-resolution photos as the light scans the box interior. Optimization guided by interactive user sketching selects a small set of frames whose weighted sum best matches the target image. The system then repeats the lighting used in each of these frames, and constructs a high resolution result from re-photographed basis images. Unlike previous image-based relighting efforts, our method requires only one light source, yet can achieve high resolution light positioning to avoid multiple sharp shadows. A reduced version uses only a hand-held light, and may be suitable for battery-powered, field photography equipment that fits in a backpack.

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ER -

Table-top computed lighting for practical digital photography

Abstract

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ASJC Scopus subject areas

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