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If the camera is capturing a short-distant object, the motion detection performance may be
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J
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
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image in the mask area will be truncated. Further, the already set mask area may appear to be cut
off as well.
English _57
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