Title:
LEVEL OF EYELID OPENING DETECTION DEVICE, LEVEL OF EYELID OPENING DETECTION METHOD, AND DROWSINESS ASSESSMENT SYSTEM
Document Type and Number:
WIPO Patent Application WO/2024/057356
Kind Code:
A1
Abstract:
This level of eyelid opening detection device comprises: a vehicle-interior video acquisition unit (311) that acquires video of an occupant inside a vehicle; a level of eyelid opening calculation unit (312) that calculates, on the basis of the video of the occupant, a level of eyelid opening which indicates the opening state of the eye of the occupant for a plurality of frame images included in the video; a histogram creation unit (313) that creates, on the basis of the calculated level of eyelid opening, a histogram for the level of eyelid opening for the opening state of the eye of the occupant; a histogram evaluation unit (314) that evaluates whether the created histogram includes false detection data, and outputs the result of the evaluation as a histogram evaluation result; and a personal-feature-amount calculation unit (315) that calculates a personal feature amount of the occupant in accordance with the output histogram evaluation result.
Inventors:
KUNIHIRO KAZUKI (JP)
Application Number:
PCT/JP2022/033982
Publication Date:
March 21, 2024
Filing Date:
September 12, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G08G1/16; G06T7/00
Domestic Patent References:
| WO2018150485A1 | 2018-08-23 | |||
| WO2019198179A1 | 2019-10-17 | |||
| WO2020174601A1 | 2020-09-03 | |||
| WO2018134875A1 | 2018-07-26 |
Attorney, Agent or Firm:
SANNO PATENT ATTORNEYS OFFICE (JP)
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