Contraction Hierarchies with A* for digital road maps

2012 ◽  
pp. 311-316
Author(s):  
Curt Nowak ◽  
Felix Hahne ◽  
Klaus Ambrosi
Keyword(s):  
Digital Road Maps ◽  
Road Maps

The Localisation Problem in Cooperative Vehicle Applications

2010 ◽  
pp. 200-218 ◽  
Author(s):  
Javier Ibañez-Guzmán
Keyword(s):  
Wireless Communications ◽  
Information Sources ◽  
Road Transportation ◽  
Vehicle To Vehicle ◽  
Communications Technologies ◽  
Digital Road Maps ◽  
Aggregation Of Information ◽  
Vehicle To Infrastructure ◽  
Road Maps ◽  
Spatio Temporal

The next paradigm towards enhancing vehicle safety and road transportation represent cooperative systems. Advances in computer and communications technologies are facilitating the establishment of vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) wireless communications links. This enables the sharing and aggregation of information which results in an extension of the driver awareness horizon in an electronic manner. In this chapter, V2V and V2I applications are considered as a spatio-temporal problem. The tenet is that sharing information can be made only if this is time stamped and related to a spatial description of the information sources. The chapter formulates the spatio-temporal problem having as constraint the precision of the pose estimates of the vehicles involved. It regards the localisation problem and accuracy of digital road maps as a combined issue that needs to be addressed for the successful deployment of cooperative vehicle applications. Two case studies, intersection safely and an overtaking manoeuvre are included. Recommendations on the precision limits of the vehicle pose estimations and the potential uncertainties that need to be considered when designing V2V and V2I applications complete the chapter.

scholarly journals CONSISTENCY IN REMOTE SENSING-BASED URBAN MAPPING FOR GROWTH AND MOBILITY ANALYSIS

2019 ◽  
Vol XLII-4/W16 ◽  
pp. 461-462
Author(s):  
L. Møller-Jensen ◽  
A. N. Allotey
Keyword(s):  
Remote Sensing ◽  
Census Data ◽  
Urban Expansion ◽  
Growth Dynamics ◽  
Transport Infrastructure ◽  
Flood Events ◽  
Mobility Analysis ◽  
Digital Road Maps ◽  
Road Maps ◽  
Initial Results

Abstract. This extended abstract presents initial results from a study that focus on the accuracy of satellite-based maps of Accra’s urban expansion as well as their comparability and ability to provide a basis for assessing urban spatial growth dynamics. Within the study we have analysed five different satellite-derived maps of urban development in Accra and compared the results and underlying methods. It is discussed how these maps can be operationalized and, combined with census data and digital road maps, used for calculating how flood events that disable parts of the transport infrastructure impact the overall mobility of the Accra population.

scholarly journals Suitability of Averaging GPS/GNSS Paths to Build Geometrically Correct Digital Road Maps

2017 ◽  
Vol 12 (2) ◽  
pp. 1-9
Author(s):  
Valerio BAIOCCHI ◽  
Domenica COSTANTINO ◽  
Felicia VATORE
Keyword(s):  
Digital Road Maps ◽  
Road Maps

scholarly journals An Algorithm for Finding Round Trip Routes on Digital Road Maps

1993 ◽  
Vol 6 (12) ◽  
pp. 552-558 ◽  
Author(s):  
Keiichi UCHIMURA ◽  
Kenichiro KANKI ◽  
Takeshi KIDA ◽  
Kenichi IWAO
Keyword(s):  
Round Trip ◽  
Digital Road Maps ◽  
Road Maps
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