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A coupled statistical model for face shape recovery from brightness images

Castelan, M., Smith, W.A.P. and Hancock, E.R. (2007) A coupled statistical model for face shape recovery from brightness images. IEEE Transactions on Image Processing, 16 ( 4). 1139 - 1151. ISSN 1057-7149

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Abstract

We focus on the problem of developing a coupled statistical model that can be used to recover facial shape from brightness images of faces. We study three alternative representations for facial shape. These are the surface height function, the surface gradient, and a Fourier basis representation. We jointly capture variations in intensity and the surface shape representations using a coupled statistical model. The model is constructed by performing principal components analysis on sets of parameters describing the contents of the intensity images and the facial shape representations. By fitting the coupled model to intensity data, facial shape is implicitly recovered from the shape parameters. Experiments show that the coupled model is able to generate accurate shape from out-of-training-sample intensity images.

Item Type: Article
Academic Units: The University of York > Computer Science (York)
Depositing User: York RAE Import
Date Deposited: 22 May 2009 08:36
Last Modified: 22 May 2009 08:36
Published Version: http://dx.doi.org/10.1109/TIP.2006.891351
Status: Published
Publisher: Institute of Electrical and Electronics Engineers
Identification Number: 10.1109/TIP.2006.891351
URI: http://eprints.whiterose.ac.uk/id/eprint/6326

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