Dahua IPC-HFW2449S-S-IL Dahua Network Camera Web 5.0 Operation Manual V1.0.7

Loading ...

●

indicates vertical ruler, and indicates horizontal ruler

●

Select an added ruler, and click

to delete the ruler.

5. Set the global sensitivity.

Adjust the lter 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.

6. Enable Privacy Protection. After enabled, the human detected will be blurred by mosaic.

7. Click Apply.

Result

1. Select the verication type, and then click Calibration Verication.

To verify vertical ruler and horizontal ruler, respectively select Height Verication and Width

Verication.

2. Draw a straight line in the image to verify whether the rulers are correctly set.

In case of big dierence between the estimated value and the actual one, ne-tune or reset

parameters until the error requirement is met.

8.4.2 Rule Conguration

Set rules for IVS, including cross fence detection, tripwire, intrusion, abandoned object, moving

object, fast moving, parking detection, crowd gathering, and loitering detection.

Prerequisites

●

Select AI > Smart Plan, and enable IVS.

●

Select AI > Smart Plan > Global Cong to nish global conguration.

Background Information

For the functions and applications of the rules, see Table 8-7 .

Table 8-7 Description of IVS functions

Rule Description Applicable Scene

Tripwire

When the target crosses tripwire from

the dened motion direction, an alarm

is triggered, and then the system

performs congured 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, an alarm

is triggered, and the system performs

congured alarm linkages.

Abandoned object

When an object is abandoned in the

detection area over the congured

time, an alarm is triggered, and then

the system performs congured alarm

linkages.

Scenes with sparse targets and

without obvious and frequent

light change. Simple scene in

the detection area is

recommended.

●

Missed alarm might

increase in the scenes with

dense targets, frequent

Operation Manual

133

Loading ...

Dahua IPC-HFW2449S-S-IL 4MP Smart Dual Light Fixed-focal Bullet WizSense Network Camera

Dahua Network Camera Web 5.0 Operation Manual V1.0.7 - Page 144