TRAFFIC INFORMATION DISTRIBUTION SERVER, TRAFFIC INFORMATION DISTRIBUTION SYSTEM, AND TRAFFIC INFORMATION DISTRIBUTION METHOD

申请公布号：JP2009015739(A)

申请号：JP20070179191

申请日期：2007.07.09

申请公布日期：2009.01.22

申请人：

XANAVI INFORMATICS CORP

发明人：MARUYAMA KISHIKO;ASAHARA AKINORI;SHIMADA SHIGERU;ABE NORIYUKI;KOBAYASHI YUTA;ASADA KATSUYA

分类号：G08G1/09;G01C21/00;G08G1/0969;G09B29/00;G09B29/10

主分类号：G08G1/09

摘要：PROBLEM TO BE SOLVED: To provide a traffic information distribution server, a traffic information distribution system, and a traffic information distribution method which distribute intelligible traffic information while reducing a communication amount when distribution is performed to a wide area. SOLUTION: The traffic information distribution server is provided with a traffic information summary part which divides an area into grids, calculates link passage grids of traffic information data, calculates congestion distribution in which length of links included in the respective grids is weighted according to congestion degrees, and calculates smoothed congestion distribution obtained by smoothing the congestion distribution by the adjacent grids. COPYRIGHT: (C)2009,JPO&INPIT

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