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+function fourierTransform=FFT(inputMatrix)
+// This funtions returns discrete Fourier Transform of 2D input matrix
+//
+// Calling Sequence
+// fourierTransform=FFT(inputMatrix);
+//
+// Parameters
+// inputMatrix: Input matrix must be 2-D.
+//
+// Description
+// It returns the 2D discrete Fourier transform of two dimensional input matrix.
+//
+// Examples
+// I=imread("cameraman.tif");
+// fourier=FFT(I);
+
+ [rows cols channels]=size(inputMatrix);
+ if channels <> 1 then
+ error(msprintf("Wrong input, input must be 2-D matrix"));
+ end
+ fourierTransform=opencv_FFT(inputMatrix);
+endfunction