2D Symmetry NCS-70ΒΆ
Returns the maximum difference between the IFA and the IFA rotated 180 degrees, normalised to the average of the IFA according to NCS-70 eq 3-6.
\[{maximum \left [ abs(D(x,y) - D(-x,-y)) \right ]} \cdot \cfrac {100} {ave}\]
Where D(x,y) is the pixel value at x,y and ave is the average value of the IFA.
Protocol invocation name: 2D Symmetry NCS-70