Title:
地上高測定方法、地上高測定装置、及びプログラム
Document Type and Number:
Japanese Patent JP7156544
Kind Code:
B2
Abstract:
An object of the present disclosure is to provide a ground-based height measurement method, a ground-based height measurement device, and a program capable of measuring the lowest height of a cable above a ground even when three-dimensional point cloud data of the cable is insufficient. The ground-based height measurement method according to the present disclosure can acquire three-dimensional point cloud data that seems to be a cable by forming a measurement range of a predetermined size above a travel trajectory of MMS (at an arrangement height of the cable). Then, the number of three-dimensional point clouds included in the measurement range is counted and when the number is equal to or larger than a threshold value, the height is measured as a measurement object. The ground-based height measurement method according to the present disclosure can measure the lowest height of the cable above a ground even when the three-dimensional point cloud data of the cable is insufficient because modeling is not performed from the three-dimensional point cloud data.
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Inventors:
Yukihiro Goto
Ryuji Honda
Masaki Waki
Takashi Goto
Ryuji Honda
Masaki Waki
Takashi Goto
Application Number:
JP2021541779A
Publication Date:
October 19, 2022
Filing Date:
August 23, 2019
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G01C5/00; G01B11/00; G01B21/02
Domestic Patent References:
| JP201897424A | ||||
| JP20185579A | ||||
| JP2017156179A |
Foreign References:
| US20150192668 | ||||
| US9544565 |
Attorney, Agent or Firm:
Kenji Okada
Masaaki Hata
Katsuhiro Imashita
Masaaki Hata
Katsuhiro Imashita
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