NDLI: A smooth 6DOF motion prior for efficient 3D surface tracking

Content Provider	IEEE Xplore Digital Library
Author	Popham, T. Wilson, R. Bhalerao, A.
Copyright Year	2010
Description	Author affiliation: Department of Computer Science, Warwick University, CV4 7AL (Popham, T.; Wilson, R.; Bhalerao, A.)
Abstract	This paper proposes an efficient method for tracking a 3D surface model, which utilises an accurate neighbourhood motion prior to regularize the solution. Typical 3D motion trackers only estimate the local translations at each point on the surface model, which means that enforcing smooth motion between neighbouring surface points can be difficult when undergoing rigid body motion. This paper uses a patch-based representation of the scene surface so that both translations and rotations can be estimated on the surface, leading to smooth neighbouring scene flows under local rigid body motions. Since the translation and rotation motions are estimated at each patch using a variational approach, the proposed tracker is efficient with relatively few reprojections required at each frame. The proposed method is demonstrated on a real-world multi-camera sequence, and the scene-flow is accurately estimated over ninety frames.
Starting Page	1
Ending Page	4
File Size	6155367
Page Count	4
File Format	PDF
ISBN	9781424463770
e-ISBN	9781424463794
e-ISBN	9781424463787
DOI	10.1109/3DTV.2010.5506510
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-07
Publisher Place	Finland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer science Computer vision Laplace equations Tracking Motion estimation Layout Humans Cameras Surface fitting Surface texture
Content Type	Text
Resource Type	Article

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