[FFmpeg-user] amplify filter, threshold option

Michael Koch astroelectronic at t-online.de
Sun Feb 17 23:00:48 EET 2019

The threshold option in the "amplify" filter suppresses large 
differences. In my opinion it would make more sense to have a (second) 
threshold option for suppressing small differences, for example noise. I 
mean alter the source pixel only if the difference is greater than the 
threshold value.


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