56 search results - page 1 / 12 » Illuminant estimation and detection using near-infrared |
ICIP
2006
IEEE
14 years 6 months ago
2006
IEEE
In this paper we present an approach for lip motion analysis that can be used in conjunction with a person authentication system based on face recognition, to avoid attacks on the...
MLDM
2005
Springer
13 years 10 months ago
2005
Springer
Face recognition is a challenging visual classification task, especially when the lighting conditions can not be controlled. In this paper, we present an automatic face recognitio...
PICS
2003
13 years 6 months ago
2003
In order to recover spectral reflectances or transmittances using a multispectral imaging based technique, it is necessary to know the spectral radiance of the illuminant used to ...
FGR
2006
IEEE
13 years 11 months ago
2006
IEEE
In this paper we propose a novel approach to accurate face localisation for faces under Near-Infrared (Near-IR) illumination. The circular shape of the bright pupils is a scale an...
CVPR
2007
IEEE
14 years 6 months ago
2007
IEEE
When an occluding object, such as a person, stands between a projector and a display surface, a shadow results. We can compensate by positioning multiple projectors so they produc...