Title:
CHANNEL MARKER IDENTIFICATION DEVICE, AUTONOMOUS NAVIGATION SYSTEM, CHANNEL MARKER IDENTIFICATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/137931
Kind Code:
A1
Abstract:
[Problem] To provide a channel marker identification device that can increase the identification accuracy for marker contents. [Solution] A channel marker identification device provided with: a first acquisition unit for acquiring a first image that includes a buoy from a camera installed in a ship; a first identification unit for identifying the position of the buoy in the first image; a second acquisition unit for acquiring a second image having a higher resolution than that of the first image and corresponding to a partial area of the first image which includes the position of the buoy; and a second identification unit for identifying marker contents of the buoy from the second image.
Inventors:
HARA YUICHI (JP)
YAMADA KATSUO (JP)
YAMADA KATSUO (JP)
Application Number:
PCT/JP2021/042612
Publication Date:
June 30, 2022
Filing Date:
November 19, 2021
Export Citation:
Assignee:
FURUNO ELECTRIC CO (JP)
International Classes:
G08G3/00; G01C21/20
Domestic Patent References:
| WO2020045602A1 | 2020-03-05 |
Foreign References:
| JP2018096827A | 2018-06-21 | |||
| JP2014206452A | 2014-10-30 | |||
| JPH0476562B2 | 1992-12-04 |
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