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Old 4th December 2019, 13:21   #6  |  Link
StainlessS
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Well it seems to me that HD tends to be 'gritty', ie pixels representing a small object seem to have a bit of a 'random' component whereas for stddef same object, is less 'random'.
Same small object in next frame not necessarily 'random' in the same way, so is a bit less easy to match blocks in HD (reason for blur).
Maybe the 'amount of change limiting' should be on the final result frame, and not on the analysis frame, you can just use a lesser blur arg for change limit on analysis frames.
EDIT: I aint ever seen an 8K frame, I'm assuming the 'girtty-ness' is even more pronounced therein.
Perhaps the tiny optical sensors are a little susceptible to electrical noise, or some other miniscule phenomena.
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Last edited by StainlessS; 4th December 2019 at 13:28.
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