Dahua HDBW2831R-ZAS, Operation Manual

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Operation Manual
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Table 5-6 Description of global setup (IVS) parameters
Parameter Description
Anti-Disturb Enable A reserved function.
Sensitivity
Adjust the filter sensitivity. With higher value, it is easier to
trigger an alarm when low-contrast object and small object are
captured, and the false detection rate is higher.
Tracking Overlap Rate
Reserved functions. Valid Tracking Distance
Valid Tracking Time
3. Set calibration area and ruler.
a. Click
Add Calibration Area
and draw a calibration area in the image.
b. Select a calibration type and enter the actual length, and then click Add Rulers .
c. Draw one horizontal ruler and three vertical rulers in the calibration area.
4. Click
Save
.
Result
1. Select the verification type, and then click Calibration Valid .
To verify vertical ruler and horizontal ruler, respectively select Height Verification and Width
Verification .
2. Draw a straight line in the image to verify whether the rulers are correctly set.
In case of big difference between the estimated value and the actual one, fine-tune or reset
parameters until the error requirement is met.
5.8.2 Rule Configuration
Set rules for IVS, including cross fence detection, tripwire, intrusion, abandoned object, moving
object, fast moving, parking detection, crowd gathering, and loitering detection.
●
Select Setting > Event > Smart Plan , and enable IVS .
●
Select Setting > Event > IVS > Global Setup to finish global configuration, and then configure
Fast Moving rule.
Table 5-7 Description of IVS functions
Rule Description Applicable Scene
Tripwire
When the target crosses tripwire from
the defined motion direction, the
system performs alarm linkages.
Scenes with sparse targets
and no occlusion among
targets, such as the perimeter
protection of unattended
area.
Intrusion
When the target enters, leaves, or
appears in the detection area, the
system performs alarm linkages.