Map matching apparatus and map matching method
US12222207B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2020 |
| Grant date | Feb 11, 2025 |
| Priority date | — |
| Expiry date | Dec 27, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/3878
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
According to the present disclosure, a map matching apparatus includes a map information acquisition unit configured to acquire map information expressed by a plurality of links, a movement information acquisition unit configured to acquire movement information of a moving body on a predetermined route, and a matching unit configured to specify a link string, which is a string of the links corresponding to the route, based on the map information and the movement information, in which the matching unit is configured to generate a physical network, which is a road network, based on the connection relationship and the map information, generate a hierarchical logical network in which the physical network is duplicated in a plurality of layers and configured in a hierarchical manner, and specify the link string indicating a minimized cost in the hierarchical logical network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.