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» How Computer Vision Can Help in Outdoor Positioning
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HCI
2009
13 years 5 months ago
A Similarity Measure for Vision-Based Sign Recognition
When we encounter an English word that we do not understand, we can look it up in a dictionary. However, when an American Sign Language (ASL) user encounters an unknown sign, looki...
Haijing Wang, Alexandra Stefan, Vassilis Athitsos
PERCOM
2009
ACM
14 years 2 months ago
HIPS: A Calibration-less Hybrid Indoor Positioning System Using Heterogeneous Sensors
—Positioning is a crucial task in pervasive computing, aimed at estimating the user’s positions to provide location-based services. In this paper, we study an interesting probl...
Vincent Wenchen Zheng, Junhui Zhao, Yongcai Wang, ...
ICCV
2003
IEEE
14 years 1 months ago
Computing MAP trajectories by representing, propagating and combining PDFs over groups
This paper addresses the problem of computing the trajectory of a camera from sparse positional measurements that have been obtained from visual localisation, and dense differenti...
Paul Smith, Tom Drummond, Kimon Roussopoulos
ECCV
2008
Springer
14 years 9 months ago
What Does the Sky Tell Us about the Camera?
As the main observed illuminant outdoors, the sky is a rich source of information about the scene. However, it is yet to be fully explored in computer vision because its appearance...
Jean-François Lalonde, Srinivasa G. Narasim...
CVPR
2007
IEEE
14 years 9 months ago
Integration of Motion Cues in Optical and Sonar Videos for 3-D Positioning
Target-based positioning and 3-D target reconstruction are critical capabilities in deploying submersible platforms for a range of underwater applications, e.g., search and inspec...
Shahriar Negahdaripour, Hamed Pirsiavash, Hicham S...