2D Uniformity Integral

Returns the maximum difference between the max and the min of the In Field Area normalised to the sum of the min and max according to IAEA pub 1394 section 2.3.3 eq 2.

\[{\cfrac {(max-min)} {(max+min)}} \cdot {100}\]

Where max and min are the IFA maximum and minimum respectively and ave is the average value of the IFA.

Protocol invocation name: 2D Uniformity Integral

The max and min may be affected by the set window levels. No smoothing or pixel summation is done.