547 search results - page 20 / 110 » Spatiotemporal feature extraction based on invariance repres... |
ICIP
1998
IEEE
14 years 9 months ago
1998
IEEE
In this paper, an efficient video content representation is proposed using optimal extraction of characteristic frames and scenes. This representation, apart from providing browsi...
CORR
2000
Springer
13 years 7 months ago
2000
Springer
This paper presents invariants under gamma correction and similarity transformations. The invariants are local features based on differentials which are implemented using derivati...
ISBI
2008
IEEE
14 years 8 months ago
2008
IEEE
Spatial patterns of activation statistics within anatomically-defined regions of interest (ROIs) in functional magnetic resonance imaging (fMRI) data were recently shown to be sen...
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
In this paper a new content-based copy identification method for video sequences is presented. It is robust to a number of image transformations and particulary robust to compress...
SMA
2009
ACM
14 years 9 days ago
2009
ACM
Principal curvatures and principal directions are fundamental local geometric properties. They are well deļ¬ned on smooth surfaces. However, due to the nature as higher order diļ...