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From: | Paolo Zaffino |
Subject: | loglog plot and fft2 |
Date: | Mon, 07 Mar 2011 19:48:36 +0100 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.14) Gecko/20110223 Thunderbird/3.1.8 |
Hi at all! I must compute the power spectrum density of an image. For this reason I run: psd=sqrt(abs(fft2(img))); and it seems ok.Now I'd like plot into a loglog graph the spectrum of the 2D Fouriere trasform (frequency vs magnitude)...Could anyone help me?
Thanks a lot!
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