Title:
AXLE NUMBER MEASUREMENT DEVICE, AXLE NUMBER MEASUREMENT SYSTEM, AND AXLE NUMBER MEASUREMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2021/038991
Kind Code:
A1
Abstract:
An axle number measurement device (30) for measuring the number of axles of a vehicle (40) which travels on a road (50) is provided with: a first communication unit (31) that acquires a captured image (P1) including tires of the vehicle (40); a detection unit (33) that detects the tires from the captured image (P1); a second communication unit (32) that acquires a distance image (P2) including a plurality of first distances from a prescribed position to the tires and a plurality of second distances from a prescribed position to positions that are outside the tires in the captured image (P1) and are on the road (50) below the tires; and a measurement unit (34) that measures the number of axles supporting the tires in contact with the road (50) on the basis of continuity between the first and second distances arranged at positions from the tires to the outside of the tires.
Inventors:
MARUYAMA YUKI
IMAGAWA TARO
KUSAKA HIROYA
NODA AKIHIRO
IMAGAWA TARO
KUSAKA HIROYA
NODA AKIHIRO
Application Number:
PCT/JP2020/020800
Publication Date:
March 04, 2021
Filing Date:
May 26, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G08G1/015; G06T7/00; G08G1/04
Domestic Patent References:
| WO2013076829A1 | 2013-05-30 | |||
| WO2019064682A1 | 2019-04-04 |
Foreign References:
| JP2017220076A | 2017-12-14 | |||
| JP2012022573A | 2012-02-02 | |||
| JP2007323117A | 2007-12-13 | |||
| US20170330454A1 | 2017-11-16 | |||
| JPH1186185A | 1999-03-30 |
Other References:
See also references of EP 4024363A4
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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