Because Safety Driving Assist technology has been the key technology, it has been paid more and more attention to. Driver fatigue monitor is a focus of it.

安全辅助驾驶技术作为智能交通系统的关键技术日益受到人们的关注，其中驾驶员疲劳监控技术对降低交通事故率有着重要的作用。

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Eye tracking is one of the key technologies for driver fatigue monitor system since human eyes contain much information about the driver's condition such as gaze, attention level, and fatigue level.

眼睛检测是驾驶员疲劳监测系统的关键技术，人眼包含了驾驶员的很多信息，如视线、注意程度、疲劳程度。

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When we use the machine vision to monitor the driving behavior of a driver, identifying the mouth state is one of the key technologies.

在采用机器视觉对驾驶员进行驾驶行为监测时，嘴部状态识别是关键技术之一。

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The "advanced active safety research vehicle" prototype uses ITS and existing Toyota technology to monitor whether the driver is awake, to keep the car on the road, and to stop at traffic signals.

BBC: Toyota sneak previews self-drive car ahead of tech show

When the vehicle is in reverse-mode, the SmartGPS will automatically switch from navigation mode to become a rear-view monitor that allows the driver to see what is behind the vehicle including children, pets and toys, or for assistance when parking into a tight parking space.

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The technology includes on-board radar and video cameras to monitor the road, the surroundings, and the driver.

BBC: Toyota sneak previews self-drive car ahead of tech show