ICIP
2005
IEEE
15 years 1 months ago
2005
IEEE
We generalize our results of [8, 9] and propose a new framework of multitree dictionaries which include many previously proposed dictionaries as well as many new, very large, tree...
CVPR
2004
IEEE
15 years 1 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...