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Stability detection tool reacts to any change in video camera position. Operation of the  detection tool is based on the comparison between parameters of each frame and the average parameters. It uses high frequency filtration to detect the objects’ outlines, if they are sharply-defined.

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The detection is performed by key frames. If detection tool configuration process described below does not result in a proper detection quality, i.e. the detection tool does not trigger or triggers with a delay, it is recommended to reduce key frame rate for video camera (see Configuring video compression) or video analytics stream if the camera has multiple streams (see Configuration of multistream video).

To configure Stability detection tool, do the following:

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