GUIDE DISPLAY DEVICE AND CRANE PROVIDED WITH SAME

Title:

GUIDE DISPLAY DEVICE AND CRANE PROVIDED WITH SAME

Document Type and Number:

WIPO Patent Application WO/2021/193638

Kind Code:

A1

Abstract:

Provided is a guide display device with which incorrect recognition of a place having small features as a ground surface having no features can be suppressed in generating and updating a three-dimensional map. A data processing unit (70): detects an edge (Eg) of a feature (E) on the basis of a result of subjecting image data captured by a camera (61) to image processing, and recognizes the feature (E) on the basis of the edge (Eg); and accumulates, from a predetermined number of frames from before the time at which the image data was captured, point group data (P) of a nearby range (Ma) of the edge (Eg) of the feature (E) that was recognized as a ground surface (F), and generates, on the basis of the accumulated point group data (P), a three-dimensional map (M) of the feature (E) the edge (Eg) of which has been recognized.

Inventors:

ISHIKAWA IWAO (JP)
KOSAKA TAKAYUKI (JP)
MASHIMA KEITA (JP)
KUBOTA SATOSHI (JP)
TANAKA SHIGENORI (JP)
NAKAHARA MASAYA (JP)
NAKAHATA KOKI (JP)

Application Number:

PCT/JP2021/012003

Publication Date:

September 30, 2021

Filing Date:

March 23, 2021

Export Citation:

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Assignee:

TADANO LTD (JP)
THE SCHOOL CORPORATION KANSAI UNIV (JP)

International Classes:

B66C13/00; B66C13/22; B66C13/46; H04N7/18

Foreign References:

JP2018095367A	2018-06-21
JP2014151979A	2014-08-25
JP2018095376A	2018-06-21
US9661307B1	2017-05-23
JP2019024151A	2019-02-14

Other References: