Comments on: Upslope area – vectorizing pixel flow calculations http://blogs.mathworks.com/steve/2007/10/09/upslope-area-vectorizing-pixel-flow-calculations/ Steve Eddins manages the Image & Geospatial development team at The MathWorks and coauthored Digital Image Processing Using MATLAB. He writes here about image processing concepts, algorithm implementations, and MATLAB. Sat, 11 Feb 2012 18:27:50 +0000 hourly 1 http://wordpress.org/?v=3.2.1 By: Steve http://blogs.mathworks.com/steve/2007/10/09/upslope-area-vectorizing-pixel-flow-calculations/#comment-11835 Steve Mon, 15 Oct 2007 15:40:01 +0000 http://blogs.mathworks.com/steve/2007/10/09/upslope-area-vectorizing-pixel-flow-calculations/#comment-11835 Ionut—A Google search of "MATLAB radial average" pulls up this web page: <a href="http://www.yale.edu/eeb/prum/fourier.htm" rel="nofollow">http://www.yale.edu/eeb/prum/fourier.htm</a>. You might take a look at it to see how they implemented the power spectrum radial average. Ionut—A Google search of “MATLAB radial average” pulls up this web page: http://www.yale.edu/eeb/prum/fourier.htm. You might take a look at it to see how they implemented the power spectrum radial average.

]]> By: Ionut http://blogs.mathworks.com/steve/2007/10/09/upslope-area-vectorizing-pixel-flow-calculations/#comment-11693 Ionut Fri, 12 Oct 2007 11:37:59 +0000 http://blogs.mathworks.com/steve/2007/10/09/upslope-area-vectorizing-pixel-flow-calculations/#comment-11693 hello, I have a question which is not connected with your post, but is about image processing and Matlab :). How is possible to do radial/circular average of 2D FFT. I have an image, I did 2D FFT on it, and now I would like to have amplitude over r (r = radius), I could not find any function in Matlab which can do radial average, to obtain this kind of plot. Thank you hello,

I have a question which is not connected with your post, but is about image processing and Matlab :). How is possible to do radial/circular average of 2D FFT. I have an image, I did 2D FFT on it, and now I would like to have amplitude over r (r = radius), I could not find any function in Matlab which can do radial average, to obtain this kind of plot. Thank you

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