Determine noise level using MAD https://en.wikipedia.org/wiki/Median_absolute_deviation Constant to convert mad to sd calculated using https://www.wolframalpha.com/input?i=sqrt%282%29+inverse+erf%280.5%29 This assumes a gaussian distribution of the noise
noise level corresponding to one standard deviation
Determine noise level using MAD https://en.wikipedia.org/wiki/Median_absolute_deviation Constant to convert mad to sd calculated using https://www.wolframalpha.com/input?i=sqrt%282%29+inverse+erf%280.5%29 This assumes a gaussian distribution of the noise