How ro provide Convolution in Frequency domain

[Artemii1990]

Hi everybody,

I have some problem with applying a convolution of the image and Smoothing Kernel in LabView. The idea behind this is, that convolution is a point-wise multiplication in the fourier domain. So firstly I want to apply convolution by standart IMAQ Convolute VI and then, to do basically the same, but manually make FFT of image and Kernel and then make their point-wise multiplication then apply inverse fourier transform and observe the result picture. But finally, I get two different results, but they should be the same, I can not get the idea why.

[altenbach · Accepted solution]

duplicate

[altenbach]

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