Title:
PASSENGER STATE DETERMINATION DEVICE, PASSENGER STATE DETERMINATION SYSTEM, PASSENGER STATE DETERMINATION METHOD AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2024/079779
Kind Code:
A1
Abstract:
A passenger state determination device (1) according to the present disclosure is equipped with: a face detection unit (12); a feature detection unit (13) for detecting a detected passenger posture; a reference posture estimation unit (14) which classifies the detected passenger posture by using a first threshold, and estimates a mode value as the reference posture, which is the detected passenger posture which is most frequently detected by the feature detection unit from among the postures which are obtained during a pre-set interval and which comprise a detected passenger posture which can be viewed as the reference posture of the passenger and a detected passenger posture which can be viewed as a change in the posture of the passenger from the reference posture; a reference posture update determination unit (17) for determining whether or not to update the reference posture by comparing the difference between a first reference posture and a second reference posture with a second threshold; a posture collapse determination unit (18) for determining the type of posture collapse; and an abnormal posture determination unit (19) for determining whether or not the posture of the passenger is abnormal.
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Inventors:
MATSUMOTO TOMOHIRO (JP)
Application Number:
PCT/JP2022/037819
Publication Date:
April 18, 2024
Filing Date:
October 11, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
A61B5/107; B60W40/08; G08G1/16
Domestic Patent References:
| WO2018150485A1 | 2018-08-23 |
Foreign References:
| JP2019088522A | 2019-06-13 | |||
| JP2021129700A | 2021-09-09 | |||
| JP2019154929A | 2019-09-19 | |||
| JP2021028803A | 2021-02-25 |
Attorney, Agent or Firm:
KURATANI, Yasutaka et al. (JP)
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