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fourier transform [message #45093]

Mon, 01 August 2005 08:16

Pravesh
Messages: 17
Registered: August 2004

Junior Member

Hi ,

I am trying to convolute a huge gaussian kernel ([192,192]) with an
image array ([512,512]). of course, if i had all the time on earth, i
could use the convol routine.
can someone tell me how do i get it done faster by using fourier
transform?
more specifically,

smoothimage = raw convol image

= something in terms of fourier transform

please don't mind my excellent math skills.

thanks,
pravesh

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[Message index]

		fourier transform By: Pravesh on Mon, 01 August 2005 08:16
		Re: Fourier Transform By: R.G.Stockwell on Thu, 23 December 2010 14:15
		Re: Fourier Transform By: Ammar Yusuf on Tue, 21 December 2010 14:27
		Re: Fourier Transform By: Kenneth P. Bowman on Tue, 21 December 2010 11:51
		Re: Fourier Transform By: pgrigis on Tue, 21 December 2010 11:55

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