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Measuring 3D face geometry for integration with apperance models
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Madan, Siddharth K.. Measuring 3D face geometry for integration with apperance models. Retrieved from https://doi.org/doi:10.7282/T37S7P3G

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Uniform TitleMeasuring 3D face geometry for integration with apperance models
NameMadan, Siddharth K. (author); Dana, Kristin (chair); Meer, Peter (internal member); Silver, Deborah (internal member); Rutgers University; Graduate School - New Brunswick
Date Created2008
Other Date2008-05 (degree)
SubjectElectrical and Computer Engineering, Three-dimensional imaging, Texture mapping
Extentxiii, 84 pages
DescriptionCapturing the appearance of skin is a nontrivial problem. The appearance of skin depends significantly on the illumination and viewing direction. The global and fine scale local geometry influence the appearance of skin. In this thesis, we work towards capturing the appearance of skin by acquiring the global geometry and modeling the skin texture.
We explore the use of structured light techniques to acquire global geometry. Two
novel structured light techniques have been developed. The techniques use image ratios
to obtain reliable reconstruction of low albedo regions. The use of laser scanner for
geometry acquisition and its advantages and disadvantages have also been discussed.
We model the interaction of light with the skin surface as a combination of surface and subsurface scattering. The reflectance due to subsurface scattering and the reflectance
due to surface scattering have different properties and are modeled separately.
The subsurface components lie on a lower dimensional linear subspace and the surface
components lie on nonlinear manifolds. We look into the use of linear dimensionality
reduction techniques to model the subsurface reflectance and nonlinear dimensionality
reduction techniques to model the surface reflectance. In the initial results, separate
modeling of the surface and the subsurface components preserved the specularities.
However, the specularities were lost when the reflectance were modeled without separating the surface and the subsurface components.
NoteM.S.
NoteIncludes bibliographical references (p. 82-84).
Genretheses, ETD graduate
Persistent URLhttps://doi.org/doi:10.7282/T37S7P3G
LanguageEnglish
CollectionGraduate School - New Brunswick Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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