Digital Watchdog MegaPix DWC-MVT4WiA User Manual page 39

1. Enable the crowd density detection.
2. Set "Refresh Frequency", "Density Alarm Threshold" and "Alarm Holding Time".
Refresh Frequency: It refers to the period of a detection result report.
Density Alarm Threshold: The camera will trigger an alarm once the percentage of the
crowd density in a specified area exceeds the pre-defined threshold value.
3. Set alarm trigger options. The setup steps are the same as motion detection.
Please refer to motion detection
4. Set an alarm area for the crowd density detection. Click the "Area" tab as shown
below.
Click "Draw Area" and drag the mouse to draw a rectangle area. Drag the boundary of
the rectangle to modify its size and move the rectangle to change its position. Click
"Stop Draw" to stop drawing the area. Click "Clear" to clear the area.
chapter for details.
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