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On surface normal and Gaussian curvature approximations given data sampled from a smooth surface.
Dereck S. Meek
Desmond J. Walton
Published in:
Comput. Aided Geom. Des. (2000)
Keyphrases
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surface normals
gaussian curvature
smooth surfaces
shape from shading
three dimensional
object recognition
viewpoint
photometric stereo
surface reconstruction
geometric structure
intensity images