138 search results - page 3 / 28 » Distortion in 3D shape estimation with changes in illuminati... |
WACV
2005
IEEE
13 years 11 months ago
2005
IEEE
Current two-dimensional image based face recognition systems encounter difficulties with large facial appearance variations due to the pose, illumination and expression changes. ...
ICPR
2002
IEEE
14 years 7 months ago
2002
IEEE
ct expressions, and different head orientations. In this paper, we introduce a new approach for realtime 3D face pose discrimination based on active IR illumination from a monocula...
ICCV
2005
IEEE
14 years 8 months ago
2005
IEEE
For a large object, scanning from the air is one of the most efficient methods of obtaining 3D data. But in the case of large cultural heritage objects, there are some difficultie...
ECCV
2004
Springer
14 years 8 months ago
2004
Springer
We present a robust framework for estimating non-rigid 3D shape and motion in video sequences. Given an input video sequence, and a user-specified region to reconstruct, the algori...
DAGM
2007
Springer
13 years 9 months ago
2007
Springer
Abstract In this paper we extend a multi-camera model for simultaneous estimation of 3d position, normals, and 3d motion of surface patches [17] to be able to handle brightness cha...