Example-Based Face Shape Recovery Using the Zenith Angle of the Surface Normal

Ramirez Sosa Moran, M.I., Castelán, M., Almazán-Delfín, A.J. and Torres-Méndez, L.A. 2007. Example-Based Face Shape Recovery Using the Zenith Angle of the Surface Normal. in: MICAI 2007: Advances in Artificial Intelligence Springer. pp. 758-768

Chapter titleExample-Based Face Shape Recovery Using the Zenith Angle of the Surface Normal
AuthorsRamirez Sosa Moran, M.I., Castelán, M., Almazán-Delfín, A.J. and Torres-Méndez, L.A.
Abstract

We present a method for recovering facial shape using an image of a face and a reference model. The zenith angle of the surface normal is recovered directly from the intensities of the image. The azimuth angle of the reference model is then combined with the calculated zenith angle in order to get a new field of surface normals. After integration of the needle map, the recovered surface has the effect of mapped facial features over the reference model. Experiments demonstrate that for the lambertian case, surface recovery is achieved with high accuracy. For non-Lambertian cases, experiments suggest potential for face recognition applications.

KeywordsFace recognition, Azimuth and Zenith Angles
Book titleMICAI 2007: Advances in Artificial Intelligence
Page range758-768
Year2007
PublisherSpringer
ISBN9783540766308
ISSN0302-9743
Digital Object Identifier (DOI)doi:10.1007/978-3-540-76631-5_72

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