33 search results - page 4 / 7 » From GPS Traces to a Routable Road Map |
PERCOM
2010
ACM
13 years 2 months ago
2010
ACM
In this paper, we propose an algorithm to estimate 2D shapes and positions of obstacles such as buildings using GPS and wireless communication history of mobile nodes. Our algorith...
COSIT
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. The paths of 2425 individual motorcycle trips made in London were analyzed in order to uncover the route choice decisions made by drivers. The paths were derived from glo...
ATAL
2008
Springer
13 years 9 months ago
2008
Springer
This paper describes an autonomous robot system designed to solve the challenging task of geocaching. Geocaching involves locating a goal object in an outdoor environment given on...
PERCOM
2011
ACM
12 years 11 months ago
2011
ACM
—In this paper, we consider the problem of tracking fine-grained speeds variations of vehicles using signal strength traces from GSM enabled phones. Existing speed estimation te...
RSS
2007
13 years 9 months ago
2007
Abstract— Many urban navigation applications (e.g., autonomous navigation, driver assistance systems) can benefit greatly from localization with centimeter accuracy. Yet such ac...