593 search results - page 48 / 119 » Unsupervised Learning of Invariant Features Using Video |
ICMCS
2005
IEEE
14 years 1 months ago
2005
IEEE
The recognition of events in video data is a subject of much current interest. In this paper, we address several issues related to this topic. The first one is overfitting when ...
CVPR
2004
IEEE
14 years 9 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...
ECIR
2008
Springer
13 years 9 months ago
2008
Springer
Concept indexing in multimedia libraries is very useful for users searching and browsing but it is a very challenging research problem as well. Beyond the systems' implementat...
AMR
2003
Springer
14 years 28 days ago
2003
Springer
Abstract. Extraction of visual descriptors is a crucial problem for stateof-the-art visual information analysis. In this paper, we present a knowledgebased approach for detection o...
NAACL
2010
13 years 5 months ago
2010
Taxonomies are an important resource for a variety of Natural Language Processing (NLP) applications. Despite this, the current stateof-the-art methods in taxonomy learning have d...