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2.5D Facial Expression Recognition using Photometric Stereo and the Area Weighted Histogram of Shape Index.
Laurence Broadbent
Khemraj Emrith
Abdul R. Farooq
Melvyn L. Smith
Lyndon N. Smith
Published in:
RO-MAN (2012)
Keyphrases
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photometric stereo
shape index
surface normals
surface patches
light source
multi view
shape from shading
surface reconstruction
surface features
lighting conditions
structured light
single image
depth map
image structure
specular reflection
rigid motion