600 search results - page 67 / 120 » Learning Representative Local Features for Face Detection |
CVPR
2001
IEEE
15 years 11 months ago
2001
IEEE
This paper presents an improvement of the classical Non-negative Matrix Factorization (NMF) approach, for dealing with local representations of image objects. NMF, when applied to...
ICPR
2008
IEEE
15 years 11 months ago
2008
IEEE
We propose a method of shot boundary detection based on the co-occurrence of global motion in video stream. In addition to the conventional features based on appearance and local ...
EWCBR
2006
Springer
15 years 1 months ago
2006
Springer
Feature selection for unsupervised tasks is particularly challenging, especially when dealing with text data. The increase in online documents and email communication creates a nee...
ICPR
2008
IEEE
15 years 4 months ago
2008
IEEE
This paper presents an approach for human activity recognition by representing the frames of the video sequence with the distribution of local motion features and their spatiotemp...
ICMCS
2008
IEEE
15 years 4 months ago
2008
IEEE
In this paper we describe a system for automatic detection and recognition of trademarks in sports videos. We propose a compact representation of trademarks based on SIFT feature ...