Digital Watchdog MEGApix DWC-MPTZ30X, Руководство пользователя, Страница: 43 / 96

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VCA
The network cameras provide VCA (Video Content Analysis) functions of “Line Detector” and
“Field Detector”.
• Video Content Analysis Setting: Check Enable video content analysis box to use a VCA function. In
order to setup VCA function, at least one preset position must exist, and otherwise Enable video
content analysis may not be activated.
– Preset number: User can assign different rules for each preset position. Select the preset position
to set the VCA rules.
– Object: Determines detection sensitivity.
* Sensitivity: As the value becomes bigger, the detection sensitivity increases.
* Min width size: Minimum horizontal pixel size for detections in a 1920x1080 format.
* Min height size: Minimum vertical pixel size for detections in a 1920x1080 format.
* Max width size: Maximum horizontal pixel size for detections in a 1920x1080 format.
* Max height size: Maximum vertical pixel size for detections in a 1920x1080 format.
– Detection Rule: User can assign up to 2 different rules for each preset position.
* Line Detector: Once selected, a red line appears on the video preview window. Drag and drop
the line at the desired position. User can change the length and the slope by dragging each end