Dahua Technology DH-IPC-EBW81242N-AS-S2 12MP Outdoor Network Panoramic Fisheye Camera with Night Vision - Manual (Page 108)

Operation Manual
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8 AI
8.1 Setting Crowd Distribution Map
You can view crowd distribution on the map in real time for timely arming, to prevent stampede and
other accidents.
8.1.1 Global Configuration
Set the calibration parameters of panoramic cameras.
Calibration Purpose
Determine corresponding relationship between 2D image captured by the camera and 3D actual
object according to one horizontal ruler and three vertical rulers calibrated by the user and the
corresponding actual distance.
Notes
When drawing calibration ruler, keep the ruler length consistent with the actual length of the object.
Procedure
1. Select AI > Smart Plan .
2. Click next to Crowd Distribution Map to enable crowd distribution map of the
corresponding channel, and then click Next .
3. Click the Global Config tab.
4. Click the rule icon to draw one horizontal ruler and three vertical rulers on the image.
● is the vertical ruler icon, and is the vertical horizontal icon.
● Select the added rulers on the image, and click to delete them.
Figure 8-1 Global configuration of crowd distribution map
5. Select a calibration type and enter the actual length, and then click Add Rulers .
6. Click Apply .