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CVPR
1999
IEEE
14 years 9 months ago
Measurement of Surface Orientations of Transparent Objects Using Polarization in Highlight
This paper proposes a method for obtaining surface orientations of transparent objects using polarization in highlight. Since the highlight, the specular component of reflection l...
Megumi Saito, Hiroshi Kashiwagi, Yoichi Sato, Kats...
SIBGRAPI
2008
IEEE
14 years 1 months ago
Matching Photometric Observation Vectors with Shadows and Variable Albedo
We describe a procedure to solve the basic problem of Variable Lighting Photometric Stereo – namely, recovering the normal directions and intrinsic albedos at all visible points...
Helena Cristina da Gama Leitão, Rafael Feli...
CHI
2002
ACM
14 years 7 months ago
Pre-emptive shadows: eliminating the blinding light from projectors
Users interacting with front-projected displays often work between the projector and the display surface. This causes undesirable projection on the user as well as temporary blind...
Desney S. Tan, Randy Pausch
CVPR
2005
IEEE
14 years 9 months ago
Camera Calibration and Light Source Estimation from Images with Shadows
In this paper, we describe how camera parameters and light source orientation can be recovered from two perspective views of a scene given only two vertical lines and their cast s...
Xiaochun Cao, Mubarak Shah
ICRA
2009
IEEE
130views Robotics» more  ICRA 2009»
14 years 2 months ago
Qualitative robot localisation using information from cast shadows
— Recently, cognitive psychologists and others have turned their attention to the formerly neglected study of shadows, and the information they purvey. These studies show that th...
Paulo Santos, Hannah M. Dee, Valquiria Fenelon