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126
Note:
1. For the Skip Instant Light Change option:
When the option is selected, you may be subject to the risk that the system will not generate
an alert whenever the lens of the camera is covered by malice.
This option is not recommended for infrared cameras.
2. Optionally create a schedule for crowd detection to be enabled only at the time periods specified.
For details, see Creating Schedules in Chapter 1.
To manually stop all triggered alerts, click the Tools button
on the triggered channel, select
Reset Alert and select Crowd Detection.
Reset Alert: Disables and resets the triggered alert. After the alert is reset if the crowd remains
gathering over the specified tolerance time, the system will still detect it as a crowd gathering and
keep generating alert.
3.13 Advanced Scene Change Detection
The Advanced Scene Change Detection detects any changes of scene, viewing angle or focus
clearness made by malice in both indoor and outdoor environments.
Note: Up to 16 cameras can be configured for this application.
1. Click Home
> Toolbar > Configure > Video process. The Setup dialog box
appears.
2. From the Video Analysis drop-down list, select Advanced Scene Change Detection, select the
desired cameras, and then click Setting. This dialog box appears.
Figure 3-47
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