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2. Check the checkbox of Enable to enable the function.
3. Select the line from the drop-down list.
4. Click Area Settings tab and click Draw Area button, and a virtual line is
displayed on the live video.
5. Drag the line, and you can locate it on the live video as desired. Click on the line,
two red squares are displayed on each end, and you can click-and-drag one of the
red squares to define the shape and length of the line.
6. Set the Max. Size and Min. Size for valid targets. Targets smaller or larger than
the valid target size are not able to trigger detection.
Max. Size: The maximum size of a valid target. Targets with larger sizes would
not trigger detection.
Min. Size: The minimum size of a valid target. Targets with smaller sizes would
not trigger detection.
7. Select the direction for line crossing detection. And you can select the directions
User Manual of Network Fisheye Camera
Line Crossing Detection
Figure 9-11
97
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