A Framework for Traffic Accident Scene Investigation with GPS VRS, Road Database and Stereo Vision Integration

In order to solve problem of the road traffic accident scene fast and high accuracy investigation, a GPS VRS, GIS road database and stereo vision integrated traffic accident scene investigation and management framework is proposed. Firstly, the GPS VRS technique is adopted to determine the initial location of the traffic accident which is used to query the road based map of the traffic accident from road database. Secondly, GPS VRS is used to further survey the traffic accident scene framework map with the road base map support. A binocular stereo vision system is presented to collect the on site traffic scene stereo image which can be used to complete the supplementary traffic accident scene drawing. Finally, a traffic accident scene management system is designed to manage the traffic scene map, on site stereo images and accident report document with unique geo-reference which can be used for court evidence, traffic accident statistic analysis, causes of traffic accident and road safety facilities optimization.