摘要:
A relative motion sensor mounted in the headrest of a vehicle driver seat is used to assess the head pose of a vehicle driver and adjust the headrest position to optimize both the safety of the driver and the sensitivity of the relative motion sensor. At the beginning of each ignition cycle, the relative motion sensor is used to adjust the position of the headrest relative to the driver's head for optimal driver safety, and the relative motion sensor is oriented to provide optimal sensitivity for head pose assessment when the headrest is positioned for driver safety.
摘要:
The head pose of a motor vehicle driver with respect to a vehicle frame of reference is assessed with a relative motion sensor positioned rearward of the driver's head, such as in or on the headrest of the driver's seat. The relative motion sensor detects changes in the position of the driver's head, and the detected changes are used to determine the driver's head pose, and specifically, whether the head pose is forward-looking (i.e., with the driver paying attention to the forward field-of-view) or non-forward-looking. The determined head pose is assumed to be initially forward-looking, and is thereafter biased toward forward-looking whenever driver behavior characteristic of a forward-looking head pose is recognized.
摘要:
A driver alert for mitigating driver distraction is issued based on a proportion of off-road gaze time and the duration of a current off-road gaze. The driver alert is ordinarily issued when the proportion of off-road gaze exceeds a threshold, but is not issued if the driver's gaze has been off-road for at least a reference time. In vehicles equipped with forward-looking object detection, the driver alert is also not issued if the closing speed of an in-path object exceeds a calibrated closing rate.
摘要:
An awareness detection system and method that includes an imaging device positioned to obtain a plurality of images of at least a portion of a subject's head, and an awareness processor in communication with the imaging device, wherein the awareness processor receives the plurality of images from the imaging device. The awareness processor performs the steps including classifying at least one image of the plurality of images based upon at least a portion of the subject's head, monitoring movement of at least one eye of the subject if the at least one image is classified as a predetermined classification, and determining an awareness state of the subject based upon the monitored movement of the at least one eye.
摘要:
A relative motion sensor mounted in the headrest of a vehicle driver seat is used to assess the head pose of a vehicle driver and adjust the headrest position to optimize both the safety of the driver and the sensitivity of the relative motion sensor. At the beginning of each ignition cycle, the relative motion sensor is used to adjust the position of the headrest relative to the driver's head for optimal driver safety, and the relative motion sensor is oriented to provide optimal sensitivity for head pose assessment when the headrest is positioned for driver safety.
摘要:
A technique for combining a back-up aid function with a park assist function in a motor vehicle initially includes determining a distance from a motor vehicle to an object. Next, a velocity of the motor vehicle is determined. Then, a scaled version of the velocity and a minimum distance threshold are subtracted from the distance to provide a first multiplicand. Finally, a driver stimulus is provided as a function of the first multiplicand.
摘要:
The head pose of a motor vehicle driver with respect to a vehicle frame of reference is assessed with a relative motion sensor positioned rearward of the driver's head, such as in or on the headrest of the driver's seat. The relative motion sensor detects changes in the position of the driver's head, and the detected changes are used to determine the driver's head pose, and specifically, whether the head pose is forward-looking (i.e., with the driver paying attention to the forward field-of-view) or non-forward-looking. The determined head pose is assumed to be initially forward-looking, and is thereafter biased toward forward-looking whenever driver behavior characteristic of a forward-looking head pose is recognized.
摘要:
A warning display system visually warns the driver of a vehicle of an object in a detection zone, such as a blind spot region of the vehicle. The display system includes an imaging medium for displaying a warning indicator and a light source disposed behind the imaging medium for providing a controlled illumination of the warning indicator. An object detection sensor detects an object in a vehicle detection zone. One or more signals are processed to determine an anticipated movement of the vehicle in relation to the object. The system further includes a controller for adaptively controlling illumination of the light source to increase illumination of the warning indicator when the vehicle is anticipated to be moving towards the object.
摘要:
A low-cost system for detecting a drowsy condition of a driver of a vehicle includes a video imaging camera located in the vehicle and oriented to generate images of a driver of the vehicle. The system also includes a processor for processing the images acquired by the video imaging camera. The processor monitors an eye and determines whether the eye is in an open position or a closed state. The processor further determines a time proportion of eye closure as the proportion of a time interval that the eye is in the closed position, and determines a driver drowsiness condition when the time proportion of eye closure exceeds a threshold value.
摘要:
A system responds to detection of a vehicle situation by comparing a sensed eye gaze direction of the vehicle operator with data stored in memory. The stored data defines a first predetermined vehicle operator eye gaze direction indicating a high probability of operator desire that an alert signal be given and a second predetermined vehicle operator eye gaze direction indicating a low probability of operator desire that an alert signal be given. On the basis of the comparison, a first or second alert action is selected and an alert apparatus controlled accordingly. For example, the alternative alert actions may include (1) generating an alert signal versus not generating the alert signal, (2) generating an alert signal in a first manner versus generating an alert signal in a second manner, or (3) selecting a first value versus selecting a second value for a parameter in a mathematical control algorithm to determine when or whether to generate an alert signal.