363 search results - page 47 / 73 » Object recognition using graph spectral invariants |
ICCV
2007
IEEE
14 years 11 months ago
2007
IEEE
In this paper we present an empirical study of object category recognition using generalized samples and a set of sequential tests. We study 33 categories, each consisting of a sm...
ECCV
2008
Springer
13 years 10 months ago
2008
Springer
Extraction and matching of discriminative feature points in images is an important problem in computer vision with applications in image classification, object recognition, mosaici...
AMFG
2007
IEEE
14 years 3 months ago
2007
IEEE
In this paper, we propose a novel appearance-based representation, called Structured Ordinal Feature (SOF). SOF is a binary string encoded by combining eight ordinal blocks in a ci...
GBRPR
2009
Springer
14 years 3 months ago
2009
Springer
We present an irregular image pyramid which is derived from multi-scale analysis of segmented watershed regions. Our framework is based on the development of regions in the Gaussia...
ICIP
2007
IEEE
14 years 3 months ago
2007
IEEE
In this paper, we propose a system identification approach for group activity recognition in traffic surveillance. Statistical shape theory is used to extract features, and then...