CN-121989967-A - Driver state detection device, driver state detection method, and storage medium

CN121989967ACN 121989967 ACN121989967 ACN 121989967ACN-121989967-A

Abstract

The application provides a driver state detection device, a driver state detection method and a storage medium, which can more appropriately detect the state of a driver according to the state of a moving body. The driver state detection device according to an embodiment includes a recognition unit that recognizes a monitoring direction of a driver of a mobile body and a behavior of the mobile body, a determination unit that determines whether the monitoring direction of the driver recognized by the recognition unit is appropriate, a timer unit that counts a time when the determination unit determines that the monitoring direction of the driver is inappropriate, and an alarm output unit that outputs alarm information when a count value counted by the timer unit is equal to or greater than a threshold value, wherein the timer unit suspends the counting during a period in which the behavior of the mobile body is recognized by the recognition unit to be disordered, or resets the count value when a disorder of the behavior of the mobile body is recognized.

Inventors

KATAYAMA HIROSHI
Zeng Guayouyi
Kazuma Hatada

Assignees

本田技研工业株式会社

Dates

Publication Date: 20260508
Application Date: 20251104
Priority Date: 20241107

Claims (11)

1. A driver state detection device, wherein, The driver state detection device includes: an identification unit that identifies a monitoring direction of a driver of a mobile body and a behavior of the mobile body; a determination unit that determines whether or not the monitoring direction of the driver identified by the identification unit is appropriate; a timer unit for counting a time determined by the determination unit as an improper monitoring direction of the driver, and An alarm output unit that outputs alarm information when the time count value counted by the time count unit is equal to or greater than a threshold value, The timer unit stops the timer for a period in which the behavior of the mobile body is recognized as being disturbed by the recognition unit, or resets the timer value when the disturbance of the behavior of the mobile body is recognized.
2. The driver state detection device according to claim 1, wherein, The determination unit determines whether or not the monitoring direction of the driver is appropriate based on the monitoring direction of the driver and a preset monitoring target area, The determination unit expands the monitoring target area when the recognition unit recognizes that the behavior of the mobile body is disturbed.
3. The driver state detection device according to claim 1, wherein, The timer unit counts time when the monitoring direction is determined to be inappropriate even in a period in which the behavior of the mobile body is recognized as being disturbed by the recognition unit, and resets the time when the disturbance of the behavior is converged.
4. The driver state detection device according to claim 3, wherein, The alarm output unit suppresses the output of the alarm information when the timer value is equal to or greater than a threshold value during the disturbance of the behavior.
5. The driver state detection device according to claim 3, wherein, The timer resets an amount corresponding to a timer value obtained by timer when the behavior of the moving object is recognized as being disordered by the recognition unit and the monitoring direction is determined to be inappropriate.
6. The driver state detection device according to claim 5, wherein, The timer unit resets the timer by including a timer value that is counted before the behavior disturbance of the mobile body is recognized by the recognition unit.
7. The driver state detection device according to claim 1, wherein, The disturbance of behavior includes disturbance of behavior of the moving body in a lateral direction.
8. The driver state detection device according to claim 1, wherein, The driver state detection device further includes a movement control unit that controls movement of the moving body, The identification unit identifies that the behavior of the mobile body is disturbed when the movement control unit performs control for stabilizing the behavior of the mobile body.
9. The driver state detection device according to claim 1, wherein, The disturbance of the behavior includes avoidance motions of the moving body including a lateral direction by a driving operation of the driver according to an external condition of the moving body.
10. A driver state detection method, wherein, The driver state detection method causes a computer to perform the following processing: identifying a monitoring direction of a driver of a mobile body and a behavior of the mobile body; determining whether the identified monitoring direction of the driver is appropriate; Timing a time when it is determined that the monitoring direction of the driver is not appropriate; Outputting alarm information when the counted time value is greater than or equal to the threshold value, and And stopping the timing during which the behavior of the mobile body is recognized as being disturbed, or resetting the timing value when the disturbance of the behavior of the mobile body is recognized.
11. A storage medium storing a program, wherein, The program causes a computer to perform the following processing: identifying a monitoring direction of a driver of a mobile body and a behavior of the mobile body; determining whether the identified monitoring direction of the driver is appropriate; Timing a time when it is determined that the monitoring direction of the driver is not appropriate; Outputting alarm information when the counted time value is greater than or equal to the threshold value, and And stopping the timing during which the behavior of the mobile body is recognized as being disturbed, or resetting the timing value when the disturbance of the behavior of the mobile body is recognized.

Description

Driver state detection device, driver state detection method, and storage medium Technical Field The invention relates to a driver state detection device, a driver state detection method, and a storage medium. Background In recent years, efforts to provide sustainable delivery system implementation approaches have been active that also take into account people who are especially in a fragile standpoint among traffic participants. Research and development for improving safety and convenience of traffic even further by research and development related to preventive safety technology have been conducted for the realization of the safety and convenience. In this connection, conventionally, there is known a technique of acquiring a change pattern of first detection information showing the line of sight or the direction of the face of the driver, and when the change pattern corresponds to a reference pattern set in advance in accordance with a lane confirmation operation of the driver at the time of a lane change, temporarily switching to a normal time determination condition set for a bystander determination to determine the bystander (for example, japanese patent application laid-open No. 2019-91275). Disclosure of Invention However, in the conventional preventive safety technique, there is a situation in which the driver needs to change the direction of the line of sight and the face in order to monitor the surroundings even in the behavior of the moving object other than the lane change, and the process for such a situation is not considered. Therefore, there is a problem that the state of the driver according to the state of the moving object may not be properly detected. An object of the present application is to provide a driver state detection device, a driver state detection method, and a storage medium that can more appropriately detect the state of a driver according to the state of a mobile body in order to solve the above-described problems. And further contributes to the development of sustainable delivery systems. The driver state detection device, the driver state detection method, and the storage medium according to the present invention employ the following configurations. (1) The driver state detection device is provided with a recognition unit that recognizes a monitoring direction of a driver of a mobile body and a behavior of the mobile body, a determination unit that determines whether the monitoring direction of the driver recognized by the recognition unit is proper, a timer unit that counts a time when the determination unit determines that the monitoring direction of the driver is improper, and an alarm output unit that outputs alarm information when a count value counted by the timer unit is equal to or greater than a threshold value, wherein the timer unit suspends the counting during a period in which the behavior of the mobile body is recognized by the recognition unit to be disordered, or resets the count value when the behavior of the mobile body is recognized to be disordered. (2) In the aspect of (1) above, the determination unit determines whether the monitoring direction of the driver is appropriate based on the monitoring direction of the driver and a preset monitoring target area, and the determination unit expands the monitoring target area when the recognition unit recognizes that the behavior of the mobile body is disordered. (3) In the aspect of (1) above, the timer unit counts time when the monitoring direction is determined to be inappropriate even in a period in which the behavior of the moving object is recognized as being disturbed by the recognition unit, and resets the time when the disturbance of the behavior is converged. (4) In the aspect (3), the alarm output unit suppresses the output of the alarm information when the timer value becomes equal to or greater than a threshold value during the disturbance of the behavior. (5) In the aspect (3), the timer resets an amount corresponding to a timer value obtained by timer when the behavior of the moving object is recognized as being disordered by the recognition unit and the monitoring direction is determined to be inappropriate. (6) In the above (5), the timer resets the timer by including a timer value that is counted before the behavior disturbance of the mobile body is recognized by the recognition unit. (7) In the above-described aspect (1), the disturbance of behavior includes a disturbance of behavior of the mobile body in a lateral direction. (8) In the aspect of (1) above, the driver state detection device further includes a movement control unit that controls movement of the mobile body, and the identification unit identifies that the behavior of the mobile body is disturbed when control to stabilize the behavior of the mobile body is performed by the movement control unit. (9) In the above-described aspect (4), the disturbance of the behavior includes avoidance motions of the moving body including a late