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If the camera is capturing a short-distant object, the motion detection performance may be
degraded.
The motion detection function may not work properly in the following cases:
-
The object color or brightness is similar to the background.
-
Multiple movements continue occurring at random due to a scene change or other reasons.
-
A fixed object continues moving in the same position.
-
An object hides other objects behind.
-
Two or more objects overlap or one object divides in multiple portions.
-
Too fast object (for a proper detection, one object should be found overlapping between
contiguous frames).
-
Reflection / blur / shadow due to a strong light such as direct sunlight, illumination, or headlamp.
-
In severe snow, rain, wind or in dawn / dusk.
`
If the MJPEG resolution of <
Video profile
> is set to 1280X720, the upper and lower parts of the
image in the mask area will be truncated. Further, the already set mask area may appear to be cut
off as well.
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