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Title:
ROAD IRREGULARITY ESTIMATION SYSTEM, ROAD IRREGULARITY ESTIMATION METHOD, AND PROBE VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/223427
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to provide a road irregularity estimation system that can improve the accuracy of estimating road irregularities. The road irregularity estimation system according to the present disclosure comprises a road irregularity detection device and a road irregularity estimation device. The road irregularity detection device comprises: a road-related information acquisition unit that acquires road-related information; a host vehicle-related information acquisition unit that acquires host vehicle-related information including location information on a host vehicle; an inspector-related information acquisition unit that acquires inspector-related information including road irregularity determination information indicating whether an inspector has determined that there is a road irregularity or not and information on the line-of-sight direction of the inspector; a control unit that generates probe information in which the road-related information, the host vehicle-related information, and the inspector-related information are associated together; and a probe information transmission unit that transmits the probe information. The road irregularity estimation device comprises: a probe information acquisition unit that acquires the probe information; and a road irregularity estimation unit that estimates, on the basis of the probe information, at least the location of a road irregularity, the type of road irregularity, and a confidence factor for the road irregularity.

Inventors:
MARUYAMA YUSUKE (JP)
SHIMOTANI MITSUO (JP)
ISOZAKI NAOKI (JP)
Application Number:
PCT/JP2022/020536
Publication Date:
November 23, 2023
Filing Date:
May 17, 2022
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
E01C23/00
Foreign References:
JP2022003335A2022-01-11
JP2021026353A2021-02-22
JP2020194450A2020-12-03
JP2018025919A2018-02-15
JP2020154375A2020-09-24
JPH06230132A1994-08-19
Attorney, Agent or Firm:
YOSHITAKE Hidetoshi et al. (JP)
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