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Title:
UNDERWATER/OVERLAND DETERMINATION DEVICE, UNDERWATER/OVERLAND DETERMINATION METHOD, AND UNDERWATER INSPECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/208288
Kind Code:
A1
Abstract:
This underwater/overland determining device determines whether an object to be determined is under water or on land. The device includes: a detection member on which a specific image pattern is displayed; a camera; an image acquisition unit; and a determination unit. The camera is attached to the object to be determined, photographs the detection member under water at a first view angle or photographs the detection member in the air at a second view angle wider than the first view angle, and generates image data. The image acquisition unit acquires the image data from the camera. The determination unit determines whether the object to be determined is on land or under water on the basis of an image showing a part of the detection member, which is included in an image indicated by the acquired image data and which changes according to the view angle of the camera.

Inventors:
SHIMAMOTO, Takeshi
NAKAMURA, Nobuaki
Application Number:
JP2016/004188
Publication Date:
December 07, 2017
Filing Date:
September 14, 2016
Export Citation:
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Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1-61, Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
International Classes:
B63C11/49; B63C11/48; H04N5/225
Foreign References:
JP2013179509A2013-09-09
JPH07128720A1995-05-19
JP2000147642A2000-05-26
JP2015061311A2015-03-30
Attorney, Agent or Firm:
KAMATA, Kenji et al. (1-61, Shiromi 2-chome, Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
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