发明名称 Obtaining road traffic condition data from mobile data sources
摘要 Techniques are described for assessing road traffic conditions in various ways based on obtained traffic-related data, such as data samples from vehicles and other mobile data sources traveling on the roads, as well as in some situations data from one or more other sources (such as physical sensors near to or embedded in the roads). The assessment of road traffic conditions based on obtained data samples may include various filtering and/or conditioning of the data samples, and various inferences and probabilistic determinations of traffic-related characteristics of interest from the data samples. In some situations, at least some of the mobile data sources are configured to frequently acquire and store data samples, and to occasionally make multiple such data samples available together for use in the road traffic condition assessment (e.g., by acquiring a data sample every minute and by transmitting a group of stored data samples every 15 minutes).
申请公布号 US2007208496(A1) 申请公布日期 2007.09.06
申请号 US20060473861 申请日期 2006.06.22
申请人 DOWNS OLIVER B;CHAPMAN CRAIG H 发明人 DOWNS OLIVER B.;CHAPMAN CRAIG H.
分类号 G08G1/00 主分类号 G08G1/00
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