Dahua NVR2104-I2, User Manual

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Step 5 Draw detection rule.
1. Click , and then draw a detection area on the video image. Right-click the image to
stop drawing.
Figure 5-156 People detection
2. Enter the rule name.
3. Click to draw the minimum size or maximum size to filter the target.
The system triggers an alarm only when the size of detected target is between the
maximum size and the minimum size.
4. Click to enable face detection.
5. Select A to B , B to A, or Both as direction for tripwire counting.
Tripwire counting is available when AI by Camera is used and the camera supports this
function.
6. Click OK.
Step 6 Click Apply.
5.9.8.3 AI Search (Video Metadata)
You can search for the video metadata detection results and play back related videos.
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