Invention Grant
- Patent Title: Position coordinate derivation device, position coordinate derivation method, position coordinate derivation program, and system
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Application No.: US17431200Application Date: 2020-02-04
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Publication No.: US12002237B2Publication Date: 2024-06-04
- Inventor: Toshiya Ohira , Yukihiro Goto
- Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- Applicant Address: JP Tokyo
- Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- Current Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP 19025258 2019.02.15
- International Application: PCT/JP2020/004035 2020.02.04
- International Announcement: WO2020/166424A 2020.08.20
- Date entered country: 2021-08-16
- Main IPC: G06T7/73
- IPC: G06T7/73 ; G06T7/55
Abstract:
An object of the present disclosure is to make it possible to ascertain coordinates of facility. A processor obtains two or more captured images of a facility and an object (S101), obtains position coordinates and an actual size of the facility and a size of the object from a database (S104), calculates a distance from each camera that has captured the two or more images to the object using a relationship between a distance from each camera that has captured the two or more images to the facility and a magnification with respect to the actual size of the facility on the two or more images (S108), and derives position coordinates of the object using the calculated distance (S109).
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