发明名称 |
Map update data supply apparatus, map data update system, and map update data supply method |
摘要 |
A map update data supply apparatus includes: isolation detection means for detecting the presence and the absence of an isolated state in which some of the roads are isolated from other roads in a road network of target map data due to updating of one or more update target segments of the target map data based on update map data; extraction means for extracting, as update required segments, segments of the update map data, other than the update target segments, that have a road that connects to the isolated some of the roads when it is detected that there is the isolated state; and update data file generating means for generating update data files for the update target segments and the update required segments based on the update map data. |
申请公布号 |
US8326531(B2) |
申请公布日期 |
2012.12.04 |
申请号 |
US20080449658 |
申请日期 |
2008.03.31 |
申请人 |
SAWAI KIMIYOSHI;SUGIMOTO HIRONOBU;KODAN TOMOKI;AISIN AW CO., LTD.;TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
SAWAI KIMIYOSHI;SUGIMOTO HIRONOBU;KODAN TOMOKI |
分类号 |
G01C21/30 |
主分类号 |
G01C21/30 |
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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