503 search results - page 28 / 101 » Activity based surveillance video content modelling |
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
We study the problem of event detection from realistic videos with repetitive sequential human activities. Despite the large body of work on event detection and recognition, very ...
CVPR
2009
IEEE
15 years 1 months ago
2009
IEEE
Cast shadows induced by moving objects often cause serious problems to many vision applications. We present in this paper an online statistical learning approach to model the backg...
AVSS
2008
IEEE
14 years 2 months ago
2008
IEEE
We model the spatio-temporal variations of the shape of objects in a video sequence using a unique SVD-like decomposition. The decomposition is used to compute shape features, whi...
ICIP
2005
IEEE
14 years 1 months ago
2005
IEEE
This paper investigates the semantic analysis of broadcast tennis footage. We consider the spatio-temporal behaviour of an object in the footage as being the embodiment of a seman...
ICIP
2000
IEEE
14 years 9 months ago
2000
IEEE
In this paper we present a new descriptor for spatial distribution of motion activity in video sequences. We construct a histogram of areas of distinct regions (or "blobs&quo...