DaD - Distracted and Drowsy

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Idrive™ inside camera AI is processing images directly the on-device without any cloud connectivity or additional hardware add-ons.

Idrive™ inside camera AI is running at 4 FPS and at 2 FPS if Outside Camera AI features are activated.

- This is done by using the optimum speed/accuracy state of the art Convolution Neural Network (CNN) architectures.


Our high accuracy of 96% during the day and 91% during the night condition is obtained using a huge number of training data that idrive stored during 10 years we were present in the market.


Beside the quantity, a very important factor is diversity;

  • our algorithm training data represents diversity in vehicle types
  • luminosity conditions
  • camera positioning in the vehicle
  • road type
  • and weather condition.


Distracted and Drowsy (DaD) triggers an event called “Fatigue/Distracted”

The event is uploaded to the idrive cloud via cellular data by default.

The DaD algorithm searches for the driver in a specific position set by the "driving side" parameter

- (IRIS->Fleet Manager-> Vehicles)
- Left driving side is considered the default, for any other driving position please adjust this parameter accordingly.

Driving side.png


A DaD trigger is made when the driver is distracted more than 35% of the time in the last 6 seconds

A distracted position is considered when the driver is looking down

  • The driver is allowed to look lateral, in the mirrors or behind when backing without considering it as a distracted behavior


In order to trigger a DaD event, the vehicle must have at least 5 km/h (3.1 mph)


EXCEPTIONS

In the areas without GPS signal like parking lots, passages, some unique areas where we cannot estimate the car speed...

- if there is no GPS signal more than 90% of the time during the last minute we do not take in consideration the speed again until you have a GPS signal restored
- so will trigger a DaD event every time the driver will look down more than 25% of the last 6 seconds.


Upon client demands we can adjust the settings so during times of no GPS signal, the camera will no trigger a DaD event

- useful for clients which spend a lot of time in the covered parking garages without GPS signal and do not want DaD triggers during those times
- Please address engineering when this is the case to make the change


Other parameters that can be adjusted by engineering upon client/ Idrive Support request are:

  • The default 6 seconds analyze time
  • The default 25% time needed to stay distracted in order to give a DaD trigger
  • Minimum speed (default: 5 km/h (3.1 miles) that a driver should have to trigger a DaD event
  • A confidence threshold which is evaluating when the driver is distracted or not (in case of too many or too few DaD events)


NOTE: Please inform engineering if a client has too many false DaD events and also if no DaD are triggered when it should supposed to.


Technical recommendation

For improved accuracy mount the camera closest to the drivers face on both horizontal and vertical axis