138 search results - page 23 / 28 » Ring-Light Photometric Stereo |
CVPR
2006
IEEE
14 years 9 months ago
2006
IEEE
Given a dense set of imperfect normals obtained by photometric stereo or shape from shading, this paper presents an optimization algorithm which alternately optimizes until conver...
ECCV
2004
Springer
14 years 9 months ago
2004
Springer
Recently, a 3D face recognition approach based on geometric invariant signatures, has been proposed. The key idea is a representation of the facial surface, invariant to isometric ...
ECCV
2004
Springer
14 years 9 months ago
2004
Springer
We consider the problem of estimating the 3D shape and reflectance properties of an object made of a single material from a calibrated set of multiple views. To model reflectance, ...
ECCV
2006
Springer
14 years 9 months ago
2006
Springer
Abstract. Fitting parameterized 3D shape and general reflectance models to 2D image data is challenging due to the high dimensionality of the problem. The proposed method combines ...
ECCV
1996
Springer
14 years 9 months ago
1996
Springer
We present a technique to extract complex suburban roofs from sets of aerial images. Because we combine 2-D edge information, photometric and chromatic attributes and 3-D informati...