95 search results - page 12 / 19 » Fourier opacity mapping |
CRV
2005
IEEE
13 years 9 months ago
2005
IEEE
In this paper, we present an approach for video surveillance involving (a) moving object detection, (b) tracking and (c) normal/abnormal event recognition. The detection step uses...
TSP
2008
13 years 7 months ago
2008
This paper introduces a general and axiomatic approach to linear signal processing (SP) that we refer to as the algebraic signal processing theory (ASP). Basic to ASP is the linear...
VISUALIZATION
2000
IEEE
13 years 11 months ago
2000
IEEE
Splatting is widely applied in many areas, including volume, point-based, and image-based rendering. Improvements to splatting, such as eliminating popping and color bleeding, occ...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
In this paper, we adopt local Fourier transform as a texture representation scheme and derive eight characteristic maps for describing different aspects of co-occurrence relations...
WCE
2007
13 years 8 months ago
2007
Abstract— Common MRI sampling patterns in kspace, such as spiral trajectories, have nonuniform density and do not lie on a rectangular grid. We propose mapping the sampled data t...