i need this equation matlab code any body help me.
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Jan
on 15 Jan 2018
Edited: Jan
on 15 Jan 2018
gbar = sum(g(:)) / (M * N);
sigma2 = sum((g(:) - gbar) .^ 2) / (M * N - 1);
Looks straight forward. But what about:
sigma2 = var(g(:))
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Image Analyst
on 15 Jan 2018
and
gBar = mean(g(:)) % Compute mean over all values in the 2-D matrix.
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