| 发明名称 |
APPARATUS AND METHOD FOR ROUTE SEARCHING |
| 摘要 |
Embodiments of the present invention provide a one-to-many route searching method comprising searching map data to select links to form a plurality of routes from a departure node according to a cost function, and determining an extent of each route according to an objective function, wherein the searching of the map data is performed to a search boundary based upon a cost of an unreachable node. |
| 申请公布号 |
US2015149078(A1) |
申请公布日期 |
2015.05.28 |
| 申请号 |
US201314411552 |
申请日期 |
2013.07.01 |
| 申请人 |
TomTom Development Germany GmbH |
发明人 |
Profous Andreas;Fischer Johannes Robert;Menge Andreas |
| 分类号 |
G01C21/34 |
主分类号 |
G01C21/34 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A one-to-many route searching method, comprising:
searching map data to select links to form a plurality of routes from a departure node according to a cost function; and determining an extent of each route according to an objective function, wherein the searching of the map data is performed to a search boundary based upon a cost of an unreachable node. |
| 地址 |
Leipzig, OT DE |
