New techniques for data collection and integration for RTI/IVHS

R. Harris, B. McQueen, I. Catling, J. Linsley
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Abstract

Video surveys are being used in Doncaster to provide an up-to-date inventory of the highway network and street furniture. The techniques being used are closely related to those under development for the collection of network attribute data for Advanced Transport Telematics (ATT) / Intelligent Vehicle Highway Systems (IVHS) systems, in particular for route guidance and navigation systems. The success of systems such as Autoguide, EURO-SCOUT (formerly called ALI-SCOUT), CARIN, Travelpilot and dual-mode route guidance will be critically dependent upon the quality of the data on which navigation and routeing recommendations are based. Experience, in London and Berlin in particular, has shown that the information presented to the driver throughout his journey needs to be accurate, precisely timed and in a large number of cases specifically tailored to the details of individual junction layouts. It is not possible to provide the quality of data necessary for system acceptance without detailed surveys of the roads on which guidance is to be given. Video survey techniques offer the flexibility to view road and junction layouts in a controlled office environment, minimising the need for costly re-surveying, and significantly improving data quality and consistency. The system in use in Doncaster is providing the basis of an innovative methodology in which in-vehicle computers are interfaced with navigation systems and professional video techniques. This results in the integration of the digital map base with the information required to generate the vitally important turning recommendations for the driver and the accurate data necessary for successful map-matching. The paper presents results and conclusions from Doncaster. It reviews the need for this type of accurate data, describes experiences in existing trials of ATT/IVHS systems, analyses developments in digital map creation techniques and presents the context into which the new generation of data collection methodology will be integrated.
RTI/IVHS数据收集与集成新技术
唐卡斯特正在使用视频调查来提供最新的公路网和街道设施清单。正在使用的技术与正在开发的为先进运输远程信息系统/智能车辆公路系统,特别是路线指导和导航系统收集网络属性数据的技术密切相关。Autoguide、EURO-SCOUT(以前称为ALI-SCOUT)、CARIN、Travelpilot和双模式路线引导等系统的成功将严重依赖于导航和路线建议所依据的数据质量。特别是伦敦和柏林的经验表明,在整个旅程中,向司机提供的信息需要准确、精确地定时,在很多情况下,还需要根据各个路口的布局细节进行专门定制。如果不对将要提供指导的道路进行详细调查,就不可能提供系统验收所需的高质量数据。视频测量技术提供了在受控办公环境中查看道路和路口布局的灵活性,最大限度地减少了昂贵的重新测量需求,并显著提高了数据质量和一致性。在唐卡斯特使用的系统为车载计算机与导航系统和专业视频技术的接口提供了创新方法的基础。这使得数字地图库与生成至关重要的转向建议所需的信息以及成功匹配地图所需的准确数据相结合。本文介绍了唐卡斯特的结果和结论。它审查了对这类准确数据的需要,描述了ATT/IVHS系统现有试验的经验,分析了数字地图制作技术的发展,并介绍了将纳入新一代数据收集方法的背景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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