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DMS camera driver behavior recognition camera in car camera
An intelligent driving assistance system device based on image recognition technology . This technology not only enables real - time status monitoring and voice warning of unsafe behaviors such as fatigue driving distracted driving lane deviation close range of preceding vehicles pedestrians in blind spots and dumping of debris trucks and cargo boxes but also cooperates with monitoring driving platforms for data uploading and adjustment intervention This prompts drivers to drive in a standardized manner providing them with more proactive and intelligent safety measures and reducing the incidence of accidents
1 . DMS camera installation
DSM cameras can detect and alert unsafe driving behaviors . By detecting changes in the eyes and face identify all unsafe driving behaviors of the driver while driving and provide corresponding voice prompts accordingly
Unsafe driving behaviors include :
a . Fatigue : yawning closing eyes
b . Make a phone call
c . Distracted driving : looking left and right looking down
d . Smoking
e . Driver anomaly : The driver has left the driver's line of sight
The selection of installation location for DMS cameras should be based on the following principles :
Installation location : It is recommended to install it on the center console or instrument panel as shown in Figure 1
Installation angle : It is recommended to ensure that the angle is within 30 ° to the right in front of the driver and the smaller the angle the better as shown in Figure 2
Installation distance : The distance between the camera and the face ranges from 60cm to 120cm and it is recommended to install it at a position of about 80cm
Ensure that the face is in the center of the DMS camera (can be confirmed through the mobile app)
Ensure that the DMS camera does not obstruct the driver's line of sight or interfere with the driver's vision
Ensure that the distance between the DMS camera and the driver's face is not obstructed by other debris such as the steering wheel
The DMS camera needs to be kept horizontal on both sides and cannot be tilted
Under the above conditions the smaller the deviation angle between the DMS camera and the driver's front face the better and it is best to face the driver directly
DAS camera
3 . BSD camera car side view camera car left and right cameras
4 . Installation of sound and light alarms
BSD cameras and sound and light alarms can monitor blind spots and alert pedestrians when approaching
1) Detecting pedestrians or bicycles in blind spots
a . The longitudinal distance of pedestrians or bicycles in the detection area within the screen
b . The lateral distance of pedestrians or bicycles in the detection area within the screen
c . Pedestrians or bicycles entering the detection screen from the rear
d . Pedestrians or bicycles entering the detection screen from the side
e . Pedestrians or bicycles entering the detection screen head - on
2) After detecting that pedestrians are too close sound and light alarms will be broadcasted to remind drivers and pedestrians to pay attention to safety
3) The BSD camera is a starlight camera displaying in full color at night .
a . Lateral BSD cameras are generally used on medium to large vehicle models with large blind spots such as dump trucks large trucks and mixer trucks . When installing the camera should be installed at the edge of the blind spot closest to the back (lateral BSD is recommended to be installed at the right rear) In order to better detect pedestrians in the blind spot the installation position should be about 1.8 meters above the ground and the camera angle should be adjusted to slightly face outward and downward so that the image can cover most of the blind spot and the vehicle body accounts for no more than 25% of the image .
b . The forward facing BSD camera is also applied to large vehicles and is generally installed on the cover above the driver's windshield with the installation position as centered as possible .
The extension cable of the camera should be routed from below the vehicle and fixed through the frame itself without interfering with the truck bucket or mixing tank to avoid affecting the wire during unloading or mixing .
c . The sound and light alarm should be installed outside the passenger seat near the car window so that the voice broadcast can be more clearly received by pedestrians while also allowing the driver to hear the alarm sound .
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