Hyperpatches for 3D model acquisition and tracking
Wiles, C.S.
Maki, A.
Matsuda, N.
Ealing Studios, Anthropics Technol., London;
This paper appears in: Pattern Analysis and Machine Intelligence, IEEE Transactions on
Publication Date: Dec 2001
Volume: 23,
Issue: 12
On page(s): 1391-1403
ISSN: 0162-8828
References Cited: 21
CODEN: ITPIDJ
INSPEC Accession Number: 7165072
Digital Object Identifier: 10.1109/34.977563
Current Version Published: 2002-08-06
Abstract
Automatic 3D model acquisition and 3D tracking of simple objects
under motion using a single camera is often difficult due to the
sparsity of information from which to establish the model. We developed
an automatic scheme that first computes a simple Euclidean model of the
object and then enriches this model using hyperpatches. These
hyperpatches contain information on both the orientation and intensity
pattern variation of roughly planar patches on an object. This
information allows both the spatial and intensity distortions of the
projected patch to be modeled accurately under 3D object motion.
Considering human tracking as a specific application, we show that
hyperpatches can not only be computed automatically during model
acquisition from a monocular image sequence, but that they are also
extremely appropriate for the task of visual tracking
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