Title:
ORTHO-IMAGE CREATION SYSTEM, ORTHO-IMAGE CREATION METHOD, ANTI-AIRCRAFT MARK USED THEREFOR, AND ROAD INVESTIGATION METHOD
Document Type and Number:
Japanese Patent JP2020204602
Kind Code:
A
Abstract:
To make it possible to easily investigate a road condition at the start of repair work when repairing the road.SOLUTION: A method for creating an ortho-image of the present invention includes: a coordinate acquisition step of acquiring three-dimensional coordinates for a plurality of anti-aircraft markers; a photographing step of capturing a plurality of photographic images so that each anti-aircraft marker of the plurality of anti-aircraft markers is contained in at least two photographic images by a UAV flying at an altitude of 20 meters or less above the ground; and an ortho-image creation step of creating an ortho-image based on the three-dimensional coordinates of each feature point acquired by the coordinate acquisition step and the plurality of photographic images captured in the photographing step.SELECTED DRAWING: Figure 5
Inventors:
KUSAKI SHIGEO
MORI YOSHIMITSU
MORI YOSHIMITSU
Application Number:
JP2019208284A
Publication Date:
December 24, 2020
Filing Date:
November 18, 2019
Export Citation:
Assignee:
MR SUPPORT CO LTD
International Classes:
G01C11/04; E01C23/01; G01B11/14; G01B11/28; G01B11/30; G01C7/02; G01C15/00; G01C15/06; G01N21/88; G06T7/00
Domestic Patent References:
| JP2016085100A | 2016-05-19 | |||
| JPH11351865A | 1999-12-24 | |||
| JP2018025553A | 2018-02-15 | |||
| JP2005140550A | 2005-06-02 | |||
| JP2018021375A | 2018-02-08 | |||
| JP2013186005A | 2013-09-19 | |||
| JP2015190978A | 2015-11-02 |
Foreign References:
| WO2010024212A1 | 2010-03-04 |
Attorney, Agent or Firm:
Masanori Onishi