Dahua IPC-HFW2431T-ZS-S2 User Manual

Rule Description
Intrusion Draw a detection area.
●
During the detection of abandoned object, the alarm is also
triggered if pedestrian or vehicle stays for a long time. If the
abandoned object is smaller than pedestrian and vehicle, set the
target size to lter pedestrian and vehicle or properly extend the
duration to avoid false alarm triggered by transient staying of
pedestrian.
●
During the detection of crowd gathering, false alarm might be
triggered by low installation height, large percentage of single
person in an image or obvious target occlusion, continuous
shaking of the camera, shaking of leaves and tree shade,
frequent opening or closing of retractable door, or dense trac
or people ow.
Abandoned object
Missing object
Fast moving
Parking detection
Crowd gathering
Loitering detection
Step 4 (Optional) Click Draw Target at the right side of Target Filter, and then draw the target
in the image.
●
When the rule of crowd gathering is congured, you do not need to set target lter,
but draw the minimum gathering area. Click Draw Target to draw the minimum
gathering area in the scene. The alarm is triggered when the number of people in the
detection area exceeds the minimum area and the duration.
●
Click Clear to delete all drawn detection lines.
●
Click Draw Target at the right side of Pixel Counter, and then press and hold the left
mouse button to draw a rectangle, the Pixel Counter then displays its pixel.
Step 5 Set rule parameters for IVS.
Table 5-9 Description of IVS parameters
Parameter
Description
Direction
Set the direction of rule detection.
●
When setting cross fence detection and tripwire, select A->B , B-
>A, or A<->B.
●
When setting intrusion, select Enters , Exits, or Enter&Exit.
Action When setting intrusion action, select Appears or Cross.
Object tracking
Select Object Tracking to enable this function. When alarm is
triggered by a moving object, select 1P+3 or 1P+5 as the object
tracking display mode in the Live page. Then the tracking scene
follows the moving object until the object is out of the camera range.
For details, see "4.2.4 Window Adjustment Bar".
This function is available on some select models.
Operation Manual
166

Dahua IPC-HFW2431T-ZS-S2 Specifications

General

Brand	Dahua
Model	IPC-HFW2431T-ZS-S2
Category	Security Camera
Language	English