Driver condition detection system
US10800424B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2018 |
| Grant date | Oct 13, 2020 |
| Priority date | — |
| Expiry date | Nov 27, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60W2050/143
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A driver condition detection system 1, 1′ comprises a driver monitor camera 10 capturing an image of a face of a driver to generate a facial image of the driver, a facial information detecting part 21 detecting a facial orientation or a line of sight of the driver based on the facial image, a threshold value range setting part 22 setting a threshold value range allowed as the facial orientation or the line of sight, a driver condition judging part 23 judging that the driver is driving while distracted if the facial orientation or the line of sight is maintained outside of the threshold value range for a predetermined time period or more, and a road discriminating part 24 discriminating a shape of a road ahead of the vehicle 80. The threshold value range setting part expands the threshold value range according to the shape of the road.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.