Hi.
I have often noticed a "shadow" (not shade, more like a ghost), or several shadows, following people across the scene. It is easiest to see when the background is in a uniform colour, and the person is walking from one side to the other. I have only noticed it on Avigilon cameras, but I have only really looked for it on those cameras, so it may be a normal problem. I thought it was wdr ghosting, from the extra exposures.
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