3xLOGIC VIGIL Server - Manual (Page 78)

Threshold
Max
Analyze
FPS
Adjusts the maximum number of frames per second that will be used for analysis. If this value is increased, more CPU
load will be required for the analytics engine.
If objects are moving very quickly through the image in a narrow field of view then this value can be increased to
detect objects more accurately. If objects are moving very slowly through the image in a wide angle view then this
value can be decreased to reduce CPU load.
Two Pass
Object
Count
Allows more comparison with past frames to provide a more in-depth analysis using logical deductions in views with
perspective.
Strict size
estimation
Puts more emphasis on the size of an object and less emphasis on its behaviour to determine if it is a valid person or
vehicle.
Count by
Trace
Objects must be travelling through the image and move valid distance
Objects must be travelling through the image at a valid speed
Average size of the object must be consistent as it moves through the image
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