588 search results - page 17 / 118 » Activity rhythm detection and modeling |
PAMI
2011
13 years 4 months ago
2011
— The accurate detection of object boundaries via active contours is an ongoing research topic in computer vision. Most active contours converge towards some desired contour by m...
CVPR
2004
IEEE
14 years 12 months ago
2004
IEEE
We present an unsupervised technique for detecting unusual activity in a large video set using many simple features. No complex activity models and no supervised feature selection...
MICCAI
2006
Springer
14 years 10 months ago
2006
Springer
Traditional techniques for statistical fMRI analysis are often based on thresholding of individual voxel values or averaging voxel values over a region of interest. In this paper w...
CVPR
2010
IEEE
14 years 3 months ago
2010
IEEE
Noise confounds present serious complications to accurate data analysis in functional magnetic resonance imaging (fMRI). Simply relying on contextual image information often resul...
ACCV
1998
Springer
14 years 2 months ago
1998
Springer
A head tracking system for automatically detecting and tracking human heads in complex backgrounds is developed. In this paper, two issues are addressed: the detection ofhumanhead...