448 search results - page 26 / 90 » The Light of Existence |
ICB
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. Heterogeneous face images come from different lighting conditions or different imaging devices, such as visible light (VIS) and near infrared (NIR) based. Because heter...
PG
2007
IEEE
14 years 1 months ago
2007
IEEE
A fundamental challenge for existing shadow map based algorithms is dealing with partially illuminated surfaces. A conventional shadow map built with a pinhole camera only determi...
AVBPA
2005
Springer
14 years 29 days ago
2005
Springer
Pose and illumination changes from picture to picture are two main barriers toward full automatic face recognition. In this paper, a novel method to handle both pose and lighting c...
RT
2004
Springer
14 years 23 days ago
2004
Springer
This paper proposes a new shadow map technique termed trapezoidal shadow maps to calculate high quality shadows in real-time applications. To address the resolution problem of the...
GRAPHICSINTERFACE
2001
13 years 8 months ago
2001
While traditional graphics techniques provide for the realistic display of three-dimensional objects, these methods often lack the flexibility to emulate expressive effects found ...