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Precise and reliable positioning based on the integration of navigation satellite system and vision system

Title
Precise and reliable positioning based on the integration of navigation satellite system and vision system
Authors
Park, CH[Park, C. -H.]Kim, NH[Kim, N. -H.]
DGIST Authors
Park, CH[Park, C. -H.]; Kim, NH[Kim, N. -H.]
Issue Date
2014-02
Citation
International Journal of Automotive Technology, 15(1), 79-87
Type
Article
Article Type
Article
Keywords
Communication SatellitesComputer VisionGlobal Navigation Satellite SystemsGlobal Positioning System (GPS)GNSS (Global Navigation Satellite System)Integrated ControlIntegrated SystemsNavigation-Satellite SystemsNavigation SatellitesNavigation SystemsPosition CoordinatesPositioning MethodsSatellite Navigation SystemSatellite Navigation SystemsVision SystemVision Systems
ISSN
1229-9138
Abstract
In this paper, we propose a precise and reliable positioning method for solving common problems, such as a navigation satellite's signal occlusion in an urban canyon and the positioning error due to a limited number of visible navigation satellites. This is an integrated system of the navigation satellites system and a vision system. In general, the navigation satellite positioning system has a fatal weakness in that it can not calculate a position coordinate when its signal is occluded by some obstacle. For this reason, positioning by using the navigation satellites system can not be used for a variety of applications. Therefore, we propose as a method to integrate both the navigation satellites system and the vision system. Some target objects that have accurate position coordinates, for example, in an outdoor shaded area like an urban canyon, are installed into the vision system. When the vision system recognizes a target object it loads the accurate coordinate of that target object. Then, it measures the distance by using the disparity from the camera sensor to the target object. These distance and object coordinate data are used for positioning with the navigation satellites system's data. This integrated system can be used for the positioning solution where the user is in unfavorable conditions. This paper shows that the algorithm of integrated system and the numerical test performed. The results indicate that the reliable and stable positioning can be obtained by introducing the vision system to the satellite navigation system. © 2014 The Korean Society of Automotive Engineers and Springer-Verlag Berlin Heidelberg.
URI
http://hdl.handle.net/20.500.11750/3122
DOI
10.1007/s12239-014-0009-7
Publisher
Korean Society of Automotive Engineers
Related Researcher
Files:
There are no files associated with this item.
Collection:
Intelligent Devices and Systems Research Group1. Journal Articles


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