http://nklein.com/2009/09/better-examples-of-fourier-transform-painting/ software development and consulting Tue, 10 Aug 2010 13:38:03 +0000 http://wordpress.org/?v=2.9.2 hourly 1 http://nklein.com/2009/09/better-examples-of-fourier-transform-painting/comment-page-1/#comment-237 pat Thu, 10 Sep 2009 18:06:50 +0000 http://nklein.com/?p=832#comment-237 For those interested in the nitty-gritty, the phase here goes from zero for minus 180 degrees up to 256 for plus 180 degrees. (Of course, the 256 gets wrapped around back to 0, but I didn't want to bother you with the details of 255/256.) If the phase is $$p$$ degrees, then the output value is $$\left[ \frac{128p}{180} + 128 \right] \pmod{256}$$. For those interested in the nitty-gritty, the phase here goes from zero for minus 180 degrees up to 256 for plus 180 degrees. (Of course, the 256 gets wrapped around back to 0, but I didn’t want to bother you with the details of 255/256.) If the phase is degrees, then the output value is .

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