Driver state determination device and driver state determination method
US10733426B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 17, 2016 |
| Grant date | Aug 4, 2020 |
| Priority date | — |
| Expiry date | Jan 31, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2560/0242
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A driver state determination device includes a facial change information acquisition unit acquiring facial change information indicating a time-series change in facial data of a subject, and a driver state determination unit determining the driver state of the subject based on the facial change information. The subject is selected from the group consisting of a subject driving a machine from when brain function activation information that activates human brain function is provided, a subject driving a machine from when the brain function activation information provided to the subject driving the machine is detected, and a subject performing a predetermined operation on a machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.