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CES 2022: Mitsubishi Electric Emirai aims to increase safety
The Mitsubishi Electric Corporation has developed a new concept vehicle for safe driving that will make its debut at CES in Las Vegas (January 5-8, 2022). The so-called EMIRAI xS Drive is equipped with near-infrared cameras and radio wave sensors to monitor the driver and passengers, as well as an advanced driver assistance system (ADAS) for adaptive headlight control. Both systems are intended to contribute to the prevention of traffic accidents. The manufacturer describes the concept's features in two components: monitoring the driver and others using a near-infrared camera and a radio wave sensor, and supporting the driver at night.
Reading Facial Expressions
For the former, the system uses a built-in near-infrared camera to detect driver fatigue or sudden nausea based on facial expressions such as closed eyes, open mouth, etc., and other bodily information such as pulse and breathing rate. The facial tracking and image processing technology recognizes slight fluctuations in skin tone due to changes in heartbeat even with vehicle vibrations and/or altered ambient light. If abnormal physical conditions are detected, the system can suggest that the driver take a break or even activate an automatic emergency parking function to avoid potential accidents.
Near-Infrared Detects Presence of Occupants
The system also utilizes the near-infrared camera to detect the presence of occupants and uses the position of a passenger's face and the skeletal points of their upper body to accurately determine body size. The radio waves of a sensor are processed using the signal's reflection and permeability properties to detect the presence of children in the near-infrared camera's blind spots, such as wrapped in a blanket or down in the footwell. Based on this combined information, the system detects with high accuracy whether a child has been left in the vehicle. In this case, the system notifies the driver and others nearby.
Adaptive Headlight Control Directs Light Based on Line of Sight
For safe nighttime driving, adaptive headlight control with internal and external sensors is used. Mitsubishi Electric's High-Definition Locator (HDL) and Driver Monitoring System (DMS) enable headlight control that adapts to the curves and inclines of the road ahead as well as the driver's line of sight. Areas the driver looks at, and potentially hazardous spots, are brightly illuminated to make nighttime driving safer.
The headlight control is a joint development with Stanley Electric Co, Ltd. For further support in intuitive risk detection, the vehicle's external cameras and millimeter-wave radar are used to issue warnings via 3D sound and road projection, allowing the driver to recognize potential hazards ahead as well as approaching vehicles from behind without having to look.
Translated automatically from German.
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