Active pixels behind the moving object - Pixel latency

Active pixels behind the moving object - Pixel latency

Hi,

I'm doing an experiment about a rotating black DOT in a white background with backlight to maximize contrast. In all the cases I have this ON events after the movement of the DOT which in this case is going clockwise, this actually looks like a tail of events just behind the ON events. My accumulation rate for this frame is 100us. I would like to know is this tale is somehow related to pixel latency, and if it is, why OFF events do not have this same behavior. There is any difference on ON and OFF events latency? are both ON and OFF events equally sensitive to pixel latency? Does this have to do with whether the scene has a positive or negative contrast change?

Thanks in advance.


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