251 search results - page 11 / 51 » Variance shadow maps |
ICPR
2000
IEEE
13 years 11 months ago
2000
IEEE
We present an algorithm for segmentation of traffic scenes that distinguishes moving objects from cast shadows. Three image features at each pixel site are considered: brightness,...
EGH
2010
Springer
13 years 5 months ago
2010
Springer
This paper presents a more efficient way of computing single scattering effects in homogeneous participating media for real-time purposes than the currently popular ray-marching b...
RT
2000
Springer
13 years 11 months ago
2000
Springer
We propose solutions for seamlessly integrating synthetic objects into background photographs at interactive rates. Recently developed image-based methods are used to capture real...
AMC
2007
13 years 7 months ago
2007
In this work the variance of the error of analyzed wind fields obtained from an ensemble Kalman filter is used as a criterion with which to optimize radar network scanning strat...
CGF
2005
13 years 7 months ago
2005
We introduce the N-buffer as a tool for multiresolution depth map representation. This neighborhood buffer encodes the value and position of local depth extrema at different scale...