133 search results - page 1 / 27 » Efficient Detection of Unusual Words |
JCB
2000
13 years 4 months ago
2000
RECOMB
2002
Springer
14 years 5 months ago
2002
Springer
The problem of characterizing and detecting recurrent sequence patterns such as substrings or motifs and related associations or rules is variously pursued in order to compress da...
ICDM
2005
IEEE
13 years 10 months ago
2005
IEEE
In this work, we introduce the new problem of finding time series discords. Time series discords are subsequences of a longer time series that are maximally different to all the r...
CVPR
2004
IEEE
14 years 6 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...
ICDM
2006
IEEE
13 years 11 months ago
2006
IEEE
Among the visual features of multimedia content, shape is of particular interest because humans can often recognize objects solely on the basis of shape. Over the past three decad...