Skin reflectance model for representing and rendering faces
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United States of America Patent
Stats
-
Jan 15, 2008
Grant Date -
Oct 12, 2006
app pub date -
Mar 29, 2005
filing date -
Mar 29, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A face is scanned to obtain a three-dimensional geometry of the face, images are also acquired of the face, and subsurface scattering of the face is measured. A translucency map is determined from the subsurface reflectance. A total surface reflectance and a normal map are estimated from the three-dimensional geometry and the images, and diffuse reflectance is estimated using the total reflectance. An albedo map is determined from the diffuse reflectance. The diffuse reflectance is subtracted from the total reflectance to obtain a surface reflectance. A set of bi-directional reflectance functions is fitted to the surface reflectance. Then, the set of bi-directional reflectance distribution functions, the albedo map, and the translucency map are combined to form a skin reflectance model of the face.
First Claim
Family
International Classification(s)
Cited Art Landscape
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