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Title:
OBSTACLE LOCATION CANDIDATE EXTRACTION DEVICE, OBSTACLE LOCATION CANDIDATE EXTRACTION METHOD, OBSTACLE LOCATION CANDIDATE EXTRACTION PROGRAM, AND OBSTACLE LOCATION CANDIDATE EXTRACTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/100263
Kind Code:
A1
Abstract:
An obstacle location candidate extraction device (30) comprises: a storage unit (31) in which a reference shape determined on the basis of a construction gauge is stored; a gradient calculation unit (34) that calculates a crossfall of a traveling surface on the basis of attitude information indicative of the attitude of a measurement vehicle (10) acquired from the measurement vehicle (10); a reference shape adjustment unit (35) that tilts the reference shape on the basis of the crossfall; and an extraction unit (36) that extracts, as obstacle locations, 3D point cloud information, which is position information of a plurality of measurement points on and around the traveling surface acquired from the measurement vehicle (10), that overlaps with the reference shape.

Inventors:
YOSHIDA KEITA (JP)
ISOGAYA KAZUKI (JP)
Application Number:
PCT/JP2021/043943
Publication Date:
June 08, 2023
Filing Date:
November 30, 2021
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B61L23/00
Foreign References:
JP2017019388A2017-01-26
JP2016000598A2016-01-07
JP2005271717A2005-10-06
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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