NDLI: Head-Mounted Photometric Stereo for Performance Capture

Content Provider	IEEE Xplore Digital Library
Author	Jones, A. Fyffe, G. Xueming Yu Wan-Chun Ma Busch, J. Ichikari, R. Bolas, M. Debevec, P.
Copyright Year	2011
Abstract	Head-mounted cameras are an increasingly important tool for capturing facial performances to drive virtual characters. They provide a fixed, unoccluded view of the face, useful for observing motion capture dots or as input to video analysis. However, the 2D imagery captured with these systems is typically affected by ambient light and generally fails to record subtle 3D shape changes as the face performs. We have developed a system that augments a head-mounted camera with LED-based photometric stereo. The system allows observation of the face independent of the ambient light and generates per-pixel surface normals so that the performance is recorded dynamically in 3D. The resulting data can be used for facial relighting or as better input to machine learning algorithms for driving an animated face.
Starting Page	158
Ending Page	164
File Size	1471719
Page Count	7
File Format	PDF
ISBN	9781467301176
DOI	10.1109/CVMP.2011.24
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-16
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Geometry Lighting Cameras Light emitting diodes Three dimensional displays Stereo vision Face Facial animation Video-based motion capture
Content Type	Text
Resource Type	Article

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