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BioSense Series Network Video Recorder
7.4.3.2.
Behavior Analysis
Behavior analysis includes the following functions: target counting, object left/lost, area detection, line
crossing detection.
The target triggering rule is based on the center of the target's lower edge (except height limit detection),
which is generally the position of the human foot. So when setting the detection line or detection area,
the line / area should not be suspended in the air.
The minimum height of the target should not be less than 1/32 of the image height. the minimum width
should not be less than 1/64 of the image width. the maximum width of the proposed object should not
exceed 1/4 of the image width. the maximum height should not exceed 1/2 of the image height.
Set the detection line or the detection area, do not appear too close to the target location. It also requires
the scope view of camera can not be too small, the target can not be too large.
Precautions:
1.
Camera installation: to install vertically, to maintain static, to avoid occlusion of vision, to make height
appropriate (higher than two meters).
2.
Scene selection: to ensure adequate lighting, reduce the complexity of the scene, try avoid areas that
may affect the accuracy, such as the detection area where there are leaves shaking, severe shadows,
birds, insects and more, try to avoid Glass, floor tiles, lake and other reflective scene selection.
3.
Alert area requirements: the warning area used for intelligent analysis is required to exceed more
than 1/8 of the video screen area. if it is cordon, the distance between the sides of the line should
exceed the image width or 1/4 of the height.
7.4.3.3.
Smart Motion
The purpose of this page is to help you use intelligent mobile detection. You can click the "Smart Motion"
button from the Motion page to enter this page. This module has upgraded mobile detection to
recognize the behavior of people/vehicles in designated areas and issue alerts. as shown in Figure 7.23.
Please note that when intelligent mobile detection is turned on, regular wireframes will not be displayed
in the preview screen.
•
Channel Select: Select the channel.
•
Detect Mode: Divided into front-end and local, the two models to the actual capacity of the product
subject, selecting the front-end mode requires front-end access to IPC support, selecting the local
model requires equipment support.
•
Enable Motion Detection Log: Can record information that triggers an alarm.
•
Motion: Can switch back to motion detection.
•
Enable: Check to enable the Smart Motion.
•
Ratio: Only when size of Moving objects in the screen is larger than the size of the set can it be used
as a "target", when setting the center of the screen will appear a yellow dotted rectangle frame as
a reference.
•
Sensitivity: Can increase the accuracy of the motion detection trigger after setting up reasonably.
•
Detect Area: Each screen can be set up to 4 detection area, drag the mouse directly on the screen to
draw the line, release the left button, move the mouse again to form a second left-click line, and
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