Why use averaging of multiple frames instead of just raising exposure time? I gu...

		megous on Aug 6, 2019 \| parent \| context \| favorite \| on: Turning a MacBook into a Touchscreen with $1 of Ha... Why use averaging of multiple frames instead of just raising exposure time? I guess it can lead to smaller rhomboid distortion due to rolling shutter? But that should not increase latency, comapred to equivalent increase in exposure time - so that we're comparing apples with apples.

I expect it's more complicated than just simple averaging.