- Patent Title: Estimated-azimuth-angle assessment device, mobile terminal device, computer-readable storage medium, control method for estimated-azimuth-angle assessment device, and positioning device
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Application No.: US14890278Application Date: 2014-05-14
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Publication No.: US10527424B2Publication Date: 2020-01-07
- Inventor: Masakatsu Kourogi , Takeshi Kurata , Tomoya Ishikawa , Takashi Okuma
- Applicant: National Institute of Advanced Industrial Science and Technology
- Applicant Address: JP Tokyo
- Assignee: National Institute of Advanced Industrial Science and Technology
- Current Assignee: National Institute of Advanced Industrial Science and Technology
- Current Assignee Address: JP Tokyo
- Agency: Renner, Otto, Boisselle & Sklar, LLP
- Priority: JP2013-102577 20130514
- International Application: PCT/JP2014/062796 WO 20140514
- International Announcement: WO2014/185444 WO 20141120
- Main IPC: G01C25/00
- IPC: G01C25/00 ; G01C21/12 ; G01P21/00 ; G01C21/16

Abstract:
An angle offset judging device (1) includes: an azimuth histogram generating section (126) for obtaining an appearance frequency of estimated azimuths; and an evaluating section (127) for making an evaluation of whether or not the appearance frequency thus obtained shows a tendency which is observed in a case where an azimuth is properly estimated under a binding condition concerning an advancing direction of a movement of a moving body.
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