472 search results - page 59 / 95 » Scalability of local image descriptors: a comparative study |
CVPR
2010
IEEE
14 years 2 months ago
2010
IEEE
Non-negative matrix factorization (NMF) is an excellent tool for unsupervised parts-based learning, but proves to be ineffective when parts of a whole follow a specific pattern. ...
SOUPS
2005
ACM
14 years 2 months ago
2005
ACM
Graphical passwords are an alternative to alphanumeric passwords in which users click on images to authenticate themselves rather than type alphanumeric strings. We have developed...
NPC
2005
Springer
14 years 2 months ago
2005
Springer
Peer-to-Peer (P2P) architectures are very prevalent in today’s Internet. Lots of P2P file sharing systems using Gnutella protocol emerge out and draw attractions of millions of p...
INFOCOM
2011
IEEE
13 years 7 days ago
2011
IEEE
Abstract—We study the ubiquitous data collection for mobile users in wireless sensor networks. People with handheld devices can easily interact with the network and collect data....
ASSETS
2009
ACM
14 years 3 months ago
2009
ACM
In this paper, we propose an automatic approach, complete with a prototype system, for supporting instant access to maps for local navigation by people with visual impairment. The...