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A Study of a Reliable Positioning Based on Technology Convergence of a Satellite Navigation System and a Vision System  

Park, Chi-Ho (Daegu Gyeongbuk Institute of Science & Technology)
Kwon, Soon (Daegu Gyeongbuk Institute of Science & Technology)
Lee, Chung-Hee (Daegu Gyeongbuk Institute of Science & Technology)
Jung, Woo-Young (Daegu Gyeongbuk Institute of Science & Technology)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.48, no.10, 2011 , pp. 20-28 More about this Journal
Abstract
This paper proposes a reliable high-precision positioning system that converges a satellite navigation system and a vision system in order to resolve position errors and outdoor shaded areas, two disadvantages of a satellite navigation system. In kinematic point positioning, the number of available satellite navigation systems changes in accordance with a moving object's position. For location determination of the object, it should receive location data from at least four satellite navigation systems. However, in urban areas, exact location determination is difficult due to factors like high buildings, obstacles, and reflected waves. In order to deal with the above problem, a vision system was employed. First, determine an exact position value of a specific building in urban areas whose environment is poor for a satellite navigation. Then, identify such building by a vision system and its position error is corrected using such building. A moving object can identify such specific building using a vision system while moving, make location data values, and revise location calculations, thereby resulting in reliable high precision location determination.
Keywords
Satellite Navigation System; Vision System;
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