5213 search results - page 137 / 1043 » Statistical entity-topic models |
ICMCS
2006
IEEE
14 years 2 months ago
2006
IEEE
We examine the bit rate variability-distortion (VD) curve of I, P, and B frames of MPEG-4 VBR encoded video sequences. We show that the concave VD curve shape at high compression ...
DIS
2004
Springer
14 years 1 months ago
2004
Springer
The two main challenges typically associated with mining data streams are concept drift and data contamination. To address these challenges, we seek learning techniques and models ...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
In this paper, we demonstrate that multiscale Bayesian image segmentation can be enhanced by improving both contextual modeling and statistical texture characterization. Firstly, ...
VTC
2006
IEEE
14 years 2 months ago
2006
IEEE
Abstract—This paper provides new statistical models for air-toground channels in an urban environment. The model is derived to operate at frequencies from 200MHz to 5GHz. Issues ...
CVPR
1998
IEEE
14 years 10 months ago
1998
IEEE
Stereo sequences promise to be a powerful method for segmenting images for applications such as tracking human figures. We present a method of statistical background modeling for ...