Dahua Technology IVS-TB8000-E-GU1 handleiding

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Handleiding

User's Manual

Table 4-7 Description of congestion detection parameters

Parameter Description

Congestion Type

The congestion type. Valid values:

Region Congestion

and

Lane

Congestion

Alarm Interval

Interval between the time of alarming after traffic congestion is detected

and the time to report it. If alarms are triggered continuously within the

defined interval, the alarm information is reported only once.

Delay Time An alarm will be triggered when the duration exceeds the defined value.

Sensitivity

The higher the sensitivity is, the more easily an alarm is detected and

triggered. The false alarm rate also increases. We recommend you to leave it

as default.

Number of

Parking Vehicles

An alarm will be triggered when the number of vehicles exceeds the defined

value.

Lane No. If no lane is drawn, enter the lane number for traffic congestion detection.

Jam Line Margin

Traffic congestion occurs when the congestion proportion exceeds the

defined value. An alarm will be triggered when both the first and second

congestion conditions are met.

●

First congestion condition: The ratio of the vehicle queue length and the

detection lane length exceed the congestion proportion.

●

Second congestion condition: The vehicle drive at a speed of nearly

zero.

In consideration of traffic congestion detection validity and the interference

of parking event, 50% is recommended.

Discontinuous

Time Threshold

The difference between the last congestion time and the current congestion

time, namely, the unblocked time. If the unblocked time exceeds this

defined value, there is no congestion and the number of alarms is cleared.

Step 5 Configure

Alarm Periods

. For details, see Step5 in "4.5.2.1 Parking Detection".

Step 6 Click

The configuration is saved and applied, and the

Rule Config

page is closed.

Related Operations

●

Click

Empty

to clear all configured rules.

●

Click

Load Template

, select a template, and then click

. Rule parameters are configured based

on the template.

4.5.2.5 Littering Detection

An alarm will be triggered when a litter is detected in the detection zone for longer than the defined

value.

Procedure

Step 1 On the

Rule Config

page, select

Littering Detecion

from the

Rule Config

drop-down list.

Step 2 Click

Add

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