【摘要】 针对实时信息服务的信息采集与处理问题,提出了实时信息的形式化定义与理论基础,建立了以实时信息采集与共享为基本功能的实时信息系统模型。该模型通过对实时信息系统的架构分析,确定了实时信息的采集和处理流程。在重点分析实时信息采集的完整性和精确性问题、实时信息场景重构问题的基础上,提出了实时信息的采集与处理机制。最后通过实例表明了基于实时信息的交通路径选择方法的性能。更多还原

【Abstract】 Aiming at the problems of information collection and processing for real-time information services,the formal definition and theoretical foundation of real-time information are presented.Real-time information system model,which took real-time information collection and sharing as basic functions,is constructed.By analyzing the architecture of real-time information system,the real-time information collection and processing procedures are defined.Based on the analysis of the completeness and accuracy of information col-lection issues and the scene reconstruction problem,real-time information collection and processing mechanism is proposed.Finally,performances of real-time information-based traffic path selection method are demonstrated by the application.更多还原