32 search results - page 2 / 7 » The assumed light direction for perceiving shape from shadin... |
MVA
1998
13 years 6 months ago
1998
This paper proposes a new method for reconstruction a shape of skin surface replica from shading image sequence taken with dierent light source directions. Since the shading image...
ECCV
1992
Springer
14 years 6 months ago
1992
Springer
Existing shape-from-shading algorithms assume constant reflectance across the shaded surface. Multi-colored surfaces are excluded because both shading and reflectance affect the me...
PG
2002
IEEE
13 years 9 months ago
2002
IEEE
We present a new method for the detection and estimation of multiple directional illuminants, using a single image of any object with known geometry and Lambertian reflectance. W...
CVPR
1998
IEEE
14 years 6 months ago
1998
IEEE
In this paper we present a method for the integration of nonlinear holonomic constraints in deformable models and its application to the problems of shape and illuminant direction...
MVA
1990
13 years 5 months ago
1990
In the Shape from Shading methods, an extended approach named Uni-directional Photometric Flow Fields is proposed in this paper. The reflectance property of the surface material i...