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SKYROS Corporation VideoNet 8.4 User guide
Attention!
Moving of a car in camera-detector visibility scope is not an
alarm
object
. To establish the fact of object moving use motion detector.
If the system will detect
alarm object
by camera, which is translated in
video
window
, in one or several
zones
, you will see green frames on the image at these
zones (refer to
4.2.14
section).
Objects counter
There are situations, when it’s necessary to detect number of objects, passing
through guarded territory.
Objects counter
enables to solve this problem
automatically stating the number of objects, passing through camera visibility
scope.
• advantage at visual tracing an object, namely: precise marking out a moving
object with a frame due to using progressive algorithm of mathematical tracking
of mobile object. This ensured that moving object is regarded by the system as a
single whole, not the number of changes from frame to frame. That is even a part
of an object moved (for example, a man stirred a hand), adaptive objects detector
would mark out the whole man as moving object;
• less amount of necessary presets due to the fact that the detector adapts to
changing conditions of video scene. Thus, for example, at changing illumination
(day/night) adaptive objects detector automatically adapts itself to new illumination
conditions and works on effectively, without necessity to configure different presets
for detection during the day and during the night;
• less amount of mistakes of motion detection due to using algorithm of processing
noises from camera and dynamic noises of different origin.
Left objects detector
Sometimes for reasons of safety there is a necessity to control objects in the
guarded territory.
Left object detector
enables to simplify this task by automating
operator’s work. Detecting objects appearance and disappearance in camera-
detector control zone, as well as surveillance of objects, position of which mustn’t
change, is performed automatically. The fact of guarded object appearance or
disappearance is an
alarm object
for
eft objects detector
. For example,
alarm
objects
are disappearance of a car from car parking or entrance and unauthorized
staying of a car at the parking for a longer time, than it is specified.
Attention!
For an object to be detected by
objects counter
, it must be in
detection zone no less than 1 second.
Attention!
For objects to be detected by
objects counter
, they must be
visually separated. For example, if several boxes on a conveyor are heaped
up or are placed closely to each other, then
objects counter
will regard count
as one object.
Attention!
Objects counter
start counting objects only after stating
«Event
from objects counter»
and activating reactions
«Enable detectors»
and
«Load
detector preset».
Configuring events and reactions is described in sections
3.7.2.10
and
3.7.2.11
sections).
You can display in video window on video image from camera the amount of
objects, detected on video image from camera-detector in one or in several zones
(refer to
4.2.14
section).
