It is to process the image with multiframe (at least two frames), it
can realize noise reduction of the image by using the interframe
information between the previous and latter frame.
It can set the parameter when “3D NR” is enabled.
The bigger the grade is, the better NR effect it can realize.
Step 3
Click “Save” to complete the parameter config of camera exposure.
5.1.1.3 Backlight
Backlight mode can be divided into BLC, WDR and HLS.
BLC: it can avoid cucoloris phenomenon of the darker area in the backlight environment.
WDR: It can suppress the overbright area and compensate darker area by enabling WDR, which can
make the overall image clear.
HLC: It is to weaken the high light, which can be applied in the areas such as toll gate, entrance and exit
of the parking lot and etc. As for extreme light, it can snapshot the human face in the dark environment
and it can realize better effect for the details of the plate number.
Step 1
Select “Setup > Camera > Condition > Backlight”, the system will display the interface of “Backlight”
which is shown in Figure 5-3.
Figure 5-3
Step 2
Set the backlight parameter.
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