发明名称 |
Traffic information providing device, traffic information providing system, traffic information transmission method, and traffic information request method |
摘要 |
A probe center server (10) previously performs filtering to determine whether or not a projection norm of a link in a feature space can be interpolated, and notifies a probe terminal (20) to preferentially collect and upload detected probe data for the link whose missing data can not be interpolated.
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申请公布号 |
US7555381(B2) |
申请公布日期 |
2009.06.30 |
申请号 |
US20070835387 |
申请日期 |
2007.08.07 |
申请人 |
XANAVI INFORMATICS CORPORATION |
发明人 |
KUMAGAI MASATOSHI;OKUDE MARIKO;TANIKOSHI KOICHIRO |
分类号 |
G08G1/00 |
主分类号 |
G08G1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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