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Windowed FFT for 2D images

Hello, 

 

   I 'm trying to batch-process a sequence of 2D RGB images, more specifically what I'm doing is selecting a subset (ROI) of each image and calculating, displaying and saving the 2D FFT of the ROI.

 

 

My question is: how can I apply a window function to the image prior to performing the FFT?

As far as I am aware, a range of window functions are available for 1D data, but I haven't seen a similar facility for 2D images (I'm using the LabVIEW Vision and Image Processing utilities)...how do I get around this problem?

 

Thank you very much in advance!

                                 Cheers,

                                         Elisa 

                                     

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Ciao Elisa,

 

la cosa più facile credo di usare la finestratura 1D e poi unire le varie parti per creare una finestratura 2D.

 

Valerio

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