Title:
有効距離取得方法、及び、レーザ計測方法
Document Type and Number:
Japanese Patent JP6857161
Kind Code:
B2
Abstract:
To provide a valid distance acquisition method and a laser measurement method for enabling measurement with high accuracy while reducing the amount of work.SOLUTION: The valid distance acquisition method includes a scanning step S0, an error acquisition step S1, and a distance acquisition step S2. The error acquisition step includes a step S11 of creating point group data which is a set of reflection points P of laser light, a step S12 of extracting a target point group Ga which is a set of reflection points P corresponding to a reference plane BP of an acquisition structure OC from the point group data, and a step S13 of acquiring a separation distance D between the reflection point P included in the target point group Ga and the reference plane BP as a measurement error. In the distance acquisition step S2, a valid distance is acquired as the distance between the acquisition structure OC and a laser measurement device 1 in which the measurement error is smaller than a first reference value.SELECTED DRAWING: Figure 3
Inventors:
Shingo Otomo
Soichiro Shiraishi
Yuya Yamaguchi
Kazuya Nakano
Masahiro Kurodai
Kentaro Hayakawa
Tatsuki Kitsuki
Soichiro Shiraishi
Yuya Yamaguchi
Kazuya Nakano
Masahiro Kurodai
Kentaro Hayakawa
Tatsuki Kitsuki
Application Number:
JP2018158576A
Publication Date:
April 14, 2021
Filing Date:
August 27, 2018
Export Citation:
Assignee:
Asahi Kyoyo Co., Ltd.
Ando Co., Ltd.
Ando Co., Ltd.
International Classes:
G01C3/00; G01C7/04; G01C15/00
Domestic Patent References:
| JP9080153A | ||||
| JP2016038211A | ||||
| JP10325873A | ||||
| JP11271448A | ||||
| JP2016045150A |
Foreign References:
| US20150142218 | ||||
| US5691725 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Yoshiki Kuroki