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COOPIS
2004
IEEE
15 years 9 months ago
Dynamic Access Control for Ubiquitous Environments
Current ubiquitous computing environments provide many kinds of information. This information may be accessed by different users under varying conditions depending on various conte...
Jehan Wickramasuriya, Nalini Venkatasubramanian
164
Voted
CHI
2010
ACM
16 years 6 days ago
Social gravity: a virtual elastic tether for casual, privacy-preserving pedestrian rendezvous
We describe a virtual “tether” for mobile devices that allows groups to have quick, simple and privacy-preserving meetups. Our design provides cues which allow dynamic coordin...
John Williamson, Simon Robinson, Craig Stewart, Ro...
CVPR
2000
IEEE
16 years 7 months ago
Zebra-Crossing Detection for the Partially Sighted
Zebra-crossings are useful road features for outdoor navigation in mobility aids for the partially sighted. In this paper, zebra-crossings are detected by looking for groups of co...
Stephen Se
ECCV
2004
Springer
16 years 7 months ago
Multiple View Feature Descriptors from Image Sequences via Kernel Principal Component Analysis
Abstract. We present a method for learning feature descriptors using multiple images, motivated by the problems of mobile robot navigation and localization. The technique uses the ...
Jason Meltzer, Ming-Hsuan Yang, Rakesh Gupta, Stef...
ICPR
2004
IEEE
16 years 6 months ago
Global Localization and Relative Pose Estimation Based on Scale-Invariant Features
The capability of maintaining the pose of the mobile robot is central for basic navigation and map building tasks. In this paper we describe a vision-based hybrid localization sch...
Jana Kosecka, Xiaolong Yang