34 search results - page 6 / 7 » Combining Randomization and Discrimination for Fine-Grained ... |
ICPR
2008
IEEE
13 years 11 months ago
2008
IEEE
In this paper we propose a novel feature, called directional entropy feature (DEF), to improve the performance of human detection under complicated background in images. DEF descr...
CIKM
2010
Springer
13 years 3 months ago
2010
Springer
In image retrieval, most existing approaches that incorporate local features produce high dimensional vectors, which lead to a high computational and data storage cost. Moreover, ...
CVPR
2008
IEEE
13 years 5 months ago
2008
IEEE
We propose a joint representation and classification framework that achieves the dual goal of finding the most discriminative sparse overcomplete encoding and optimal classifier p...
PAMI
2011
12 years 8 months ago
2011
—We present a discriminative part-based approach for human action recognition from video sequences using motion features. Our model is based on the recently proposed hidden condi...
CVPR
2009
IEEE
15 years 16 days ago
2009
IEEE
We propose a novel hashing scheme for image retrieval,
clustering and automatic object discovery. Unlike commonly
used bag-of-words approaches, the spatial extent of
image featu...