49 search results - page 2 / 10 » Pupil detection and tracking using multiple light sources |
FGR
1998
IEEE
13 years 10 months ago
1998
IEEE
Colour cues were used to obtain robust detection and tracking of people in relatively unconstrained dynamic scenes. Gaussian mixture models were used to estimate probability densi...
ICPR
2000
IEEE
13 years 10 months ago
2000
IEEE
Techniques for color-based tracking of faces or hands often assume a static skin color model. However, skin color perceived by a camera can change when lighting changes. In common...
CVPR
2007
IEEE
14 years 7 months ago
2007
IEEE
We present an algorithm for performing Lambertian photometric stereo in the presence of shadows. The algorithm has three novel features. First, a fast graph cuts based method is u...
IBPRIA
2009
Springer
13 years 3 months ago
2009
Springer
We propose a novel statistical method for motion detection and background maintenance for a mobile observer. Our method is based on global motion estimation and statistical backgro...
CVPR
2006
IEEE
13 years 12 months ago
2006
IEEE
Tracking of humans in videos is important for many applications. A major source of difficulty in performing this task is due to inter-human or scene occlusion. We present an appr...