FACILITY PATROL SYSTEM AND FACILITY PATROL METHOD

WIPO Patent Application WO/2018/101455

A1

This disclosure provides a technology for preventing, in detection of an abnormal site in the surrounding environment of a railway vehicle moving on a track (for example, a rail track), a normal site from being detected as an abnormal site due to misalignment, depending on the presence/absence of a moving object. The facility patrol system according to the present invention includes: an image-capturing device for capturing an image of the surrounding environment of a railway vehicle moving on a track; a storage device for storing, for each position on the track, a reference alignment point group and a reference difference extracted point group; a alignment region separation unit for separating the alignment point group from a three-dimensional point group obtained from the image; an alignment unit for aligning the reference alignment point group with the alignment point group and outputting alignment information; and a difference extraction unit for extracting a difference between the three-dimensional point group deformed by the alignment information and the reference difference extracted point group (see FIG. 2).

CHIHARA NOBUHIRO (JP)
HONDA MASAHIKO (JP)
KISHI TOSHIHIDE (JP)
SHINBO MASASHI (JP)
HORIE KIYOTAKE (JP)

PCT/JP2017/043234

June 07, 2018

December 01, 2017

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HIGASHI NIPPON RYOKAKU TETSUDO (JP)
HITACHI HIGH TECH FINE SYSTEMS CORP (JP)

B61L23/00; H04N7/18

JP2010006295A	2010-01-14
JP2004352107A	2004-12-16
JPH06325298A	1994-11-25
JP2007129560A	2007-05-24
JP2016110210A	2016-06-20
JP2016045330A	2016-04-04
JP2005092516A	2005-04-07
JP4106163B2	2008-06-25
JP2004042777A	2004-02-12

HIRAKI & ASSOCIATES (JP)

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