User's Manual

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1 Overview
Video Analytics is the most fundamental system in public security, and the most important
defense against illegal invasion and other events. This solution covers user’s demands of
monitoring perimeter areas and key areas and provides detections against area invasion,
tripwire and other events. It can also classify and detect humans and vehicles with high
accuracy and perform further filter to reduce false alarm. With video surveillance and behavior
analysis, users can realize visual management easily.
The key feature of this solution is Dahua’s Analytics+ functions that offers the following
advanced analytical features:
Face Capture
Dahua AI Face Capture technology automatically captures faces from a digital image or from a
video frame. The camera employs advanced algorithms to locate faces quickly and accurately
from the source video and then captures the facial image.
Metadata Extraction
Once the camera captures a facial image, it analyzes the face and extracts six attributes —
age, gender, expression, and whether the target face wears glasses, wears a mask, or sports
facial hair.
People Counting
The camera uses complex real-time people counting algorithms to deliver accurate flow
statistics from two distinct people counting functions, Line Crossing and Regional. The line
crossing function counts the number of people crossing a defined line, and the regional
function counts the number of people in a distinct, user-defined area. People counting is ideal
for measuring the number of customers entering or exiting a location and to monitor groups of
people in a distinct location.
Perimeter Protection
Dahua Analytics+ includes Tripwire and Intrusion functions that offer custom tripwires based
on object type for automation in limited access areas. Perimeter Protection requires less pixels
to detect an object to deliver improved accuracy and decreased false alarms due to lights,
weather, trees, or animals.
Smart Motion Detection
Smart Motion Detection, a component of Dahua's Analytics+ technology, improves alarm
accuracy and decreases the number of false alarms. The advanced SMD algorithm analyzes a
scene for human or vehicle motion, while filtering out other motion due to trees, leaves,
animals, weather, and triggers an alarm when detected. SMD also saves time when searching
recorded video by filtering false alarms and allowing quick retrieval of an alarm due to a
person or vehicle.
Note that Dahua devices with Analytics+ functions may include all or a subset of the
functions listed above.