593 search results - page 47 / 119 » Unsupervised Learning of Invariant Features Using Video |
BMVC
2010
13 years 5 months ago
2010
Local space-time features have recently shown promising results within Bag-of-Features (BoF) approach to action recognition in video. Pure local features and descriptors, however,...
CVPR
2010
IEEE
2010
IEEE
Learning a Hierarchy of Discriminative Space-Time Neighborhood Features for Human Action Recognition
14 years 4 months ago
Recent work shows how to use local spatio-temporal features to learn models of realistic human actions from video. However, existing methods typically rely on a predefined spatial...
EMNLP
2004
13 years 9 months ago
2004
This work applies boosted wrapper induction (BWI), a machine learning algorithm for information extraction from semi-structured documents, to the problem of named entity recogniti...
DAGSTUHL
2006
13 years 9 months ago
2006
A successful detection and classification system must have two properties: it should be general enough to compensate for intra-class variability and it should be specific enough to...
CVPR
2001
IEEE
14 years 9 months ago
2001
IEEE
We present a two-step method to speed-up object detection systems in computer vision that use Support Vector Machines (SVMs) as classifiers. In a first step we perform feature red...