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by Chahab Nastar, Baback Moghaddam, Alex Pentland
http://www-rocq.inria.fr/syntim/textes/nastar-imagecom96.ps.Z
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Abstract:
We describe a novel approach for image matching based on deformable intensity surfaces. In this approach, the intensity surface of the image is modeled as a deformable 3D mesh in the (x; y; I(x; y)) space. Each surface point has 3 degrees of freedom, thus capturing fine surface changes. A set of representative deformations within a class of objects (e.g. faces) are statistically learned through a Principal Components Analysis, thus providing a priori knowledge about object-specific deformations. We demonstrate the power of the approach by recognition and interactive search in a large-scale face database.
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