Title:
CLOUD OBSERVATION DEVICE, CLOUD OBSERVATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/179326
Kind Code:
A1
Abstract:
In order to provide a cloud observation device which can predict the probability of sunshine at a reduced calculation cost using a simple method, this cloud observation device (11) is provided with: an image acquisition unit (12) which acquires an image (G1) of the sky captured by a camera; a cloud extraction unit (13) which extracts a cloud in the image (G1); a sun identification unit (14) which identifies the solar position (S1) in the image (G1); a determination area setting unit (16) which sets determination areas (Ar1, Ar4-12) having the solar position (S1) as a base point thereof in the image (G1); and a sunshine computation unit (17) which computes the probability of sunshine after a prescribed amount of time has passed on the basis of the determination areas and the extracted cloud.
Inventors:
TAKASHIMA YUYA (JP)
MINOWA MASAHIRO (JP)
OKUMURA SHIGEAKI (JP)
MINOWA MASAHIRO (JP)
OKUMURA SHIGEAKI (JP)
Application Number:
PCT/JP2020/004220
Publication Date:
September 10, 2020
Filing Date:
February 05, 2020
Export Citation:
Assignee:
FURUNO ELECTRIC CO (JP)
International Classes:
G01W1/00; G01W1/12
Domestic Patent References:
| WO2015104281A1 | 2015-07-16 |
Foreign References:
| JPS60220843A | 1985-11-05 | |||
| US20100309330A1 | 2010-12-09 | |||
| JP2014011345A | 2014-01-20 |
Other References:
See also references of EP 3936902A4
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