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Driver Monitoring Systems

As the name suggests, interior monitoring systems detect signs of driver distraction and fatigue along with occupant presence and condition (think child in hot car) then alerts the driver to a critical condition. Under normal circumstances, these features enhance safety and comfort for all occupants. These systems will be absolutely essential as we move to more advanced levels of autonomous driving. This topic will explain the various methods of detection for both driver and occupant and offer options to mitigate negative conditions through new user interfaces.

The Tech Between Us
Driver Monitoring Systems

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Full Podcast (35:02 mins) Transcript

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Introduction (00:30 mins) Transcript

Condensed Podcast (10:02 mins) Transcript

In this episode, listen as we chat with Modar Alaoui, Founder and CEO of Eyeris, to discuss the need for DMS in vehicles, the current legislation for DMS regulation, and the hardware behind these systems. Then explore more from our sponsor partners Molex and onsemi.

Meet the Experts

Raymond Yin

Podcast Host and Director of Technical Content at Mouser Electronics

Modar Alaoui

Founder and CEO of Eyeris

The Range of Driver Monitoring Systems

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a hand interacting with a futuristic infotainment system inside a car

Advances in technology and new safety regulations and legislation are accelerating the adoption of DMS into passenger vehicles – DMS is expected to be a mandatory feature in new cars in many countries by the end of the decade.

Read time 7 mins

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Then, Now and Next: Driver Monitoring Systems

Catch up on the tech landscape of Driver Monitoring Systems – where we were, where we are, and where we are going.


Learn more TE Connectivity MATE-AX Miniaturized Automotive Coaxial Connectors »

Driver Monitor System Yields Safety Gains

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an embedded chip on a electronic board

Driver monitoring systems using near-infrared light will aid ADAS systems' ability to reduce traffic deaths in the USA and worldwide.

Read time 7 mins

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Interior Vehicle Sensing AI Improves Safety

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Analog Devices

Vehicle interior conditions create surprisingly complicated environments. But by fusing a variety of hardware sensing elements, AI software company Eyeris improves safety and more for 21st-century drivers.

Read time 4 mins

Read more »

hands gripping a steering wheel

Driver & Occupant Monitoring Systems

Driver monitoring systems are vehicle safety systems that assess driver awareness and warn if unsafe levels of alertness are detected. No doubt, DMS are fast becoming the leading automotive safety system in the world.1

Market Size  

A chart showing the market value in 2019 was $1.06B and is trending to be $2.39B by 2027.

The Anatomy of the System

A driver facing foward holding onto a car's steering wheel. There is a grid pattern over his face as if he is being analyzed while driving.

Monitoring the Driver  

DMS typically uses a driver-facing camera equipped with infrared light-emitting diodes (LEDs) that can “see” the driver’s face, even at night.

AI algorithms can then determine whether the driver is blinking more than usual, narrowing or closing their eyes, and tilting their head at an odd angle, looking at the road ahead, etc.

Measuring Alertness  

An eye with a window on it analyzing pupil movement.

Eye Openness/Gaze

A silhoutte of a head with circles encompassing it like a gyroscope.

Head Position/Orientation


An outline of a face in green with lines connecting to show a face being scanned.


A green heart on a scale with a heartbeat rhythm overlaid.

Heartbeat/Pulse/Blood Pressure

The sideview of a head with a barometer on top showing a temperature measurement.


Interpreting the Data

The sideview of a driver in a car holding a wheel with measurements happening at his waste, neck and eyeline.


  • Eye Gaze
  • Head Position/Orientation


  • Eye Opening Levels
  • Heartbeat/Pulse
  • Fatigue Detection


  • Eye Gaze
  • Eye Opening Levels
  • Head Position/Orientation
  • Fatigue Detection

Monitoring the Occupant

The information from occupant monitoring systems can be used for turning on seat heating, seat belt alarm detection, smart airbag deployment, left-behind occupants and automated air conditioning systems.


  • Forgotten Child / Object / Pet
  • Airbag Deployment
  • Seatbelt Alert


  • Air Quality
  • Climate Control
  • Seat Heating
Overhead view of a car with a driver in the driver's seat, a pizza in the front sheet and a baby and a child in the backseat. Green and blue highlights are coming from the dashboard to monitor the passengers.

DMS Makes Roads Safer

Applying a conservative effectiveness rate and assuming high levels of DMS deployment, fatalities and injuries caused by distraction, drowsiness and intoxication have the potential to be significantly reduced.1

Fewer Fatalities

A car that was upside down with the number of 12% on top.

Fewer Injuries

A person with their arm in a sling and a headinjury with the number of 11% on top.

Smart NOR Flash storage will be at the heart of these DMS systems

NOR flash memory contributes an excellent storage solution for systems with limited space, signal connections, and power. In addition, flash memory is ideal for code shadowing to RAM, executing code directly, and storing re-programmable data.

Infineon Standard SPI NOR flash

1 https://techcrunch.com/2021/11/15/the-world-is-waking-up-to-driver-monitoring-systems/

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