Correlation of spectral components along x-axis and y-axis.csv

We generate some random Gaussian points on the 512×512 sized image and get the spectrum after Fourier transform. Two segments of 1D spectrum information with a length of 2K (K is the OTF cut-off frequency) are intercepted in the x axis and y axis directions respectively. By calculating the cross-correlation between the two segments of spectrum information, we get the correlation coefficient .