Rank: 1655 based on 64 downloads (last 30 days) and 3 files submitted
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Christopher Coello

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University of Oslo
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59.94656, 10.716486

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Files Posted by Christopher View all
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(last 30 days)
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21 Mar 2012 Screenshot Get binary volumes from a volume of labels / integers Creates a set of binary volumes from a volume of labels (integers value) Author: Christopher Coello binary, labels, freesurfer 14 0
20 Mar 2012 Screenshot Create a non Isotropic 3D Gaussian Point Spread Function (PSF) Create an isotropic or non isotropic 3D Gaussian PSF Author: Christopher Coello image processing, point spread function, 3d, psf 22 0
19 Mar 2012 Screenshot 3D convolution in the FFT domain Achieve a 3D convolution in the fourrier domain. Author: Christopher Coello convolution, fourier, 3d 28 6
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4.7 | 3 ratings
Comments and Ratings by Christopher View all
Updated File Comments Rating
22 Mar 2012 regtools Analysis and Solution of Discrete Ill-Posed Problems. Author: Per Christian Hansen

Great package, really useful to understand better resolution of ill-posed problems

14 Mar 2012 3D convolution in the FFT domain Achieve a 3D convolution in the fourrier domain. Author: Christopher Coello

Hi, Thanks Michael for the comment.
I indeed make the assumption of only real positive output. This is related to my own problematic (PET imaging).
For the max check, it is an obvious error that will be corrected in the next version.

21 Sep 2010 EzyFit 2.42 A free curve fitting toolbox for Matlab Author: Frederic Moisy

Great, great toolbox, really useful.
One possible improvment: to handle subplot command in the display using showfit. Now, when doing subplot, the info about the fit always shows on the first subplot (subplot(xxx,xxx,1)).

Comments and Ratings on Christopher's Files View all
Updated File Comment by Comments Rating
02 May 2014 3D convolution in the FFT domain Achieve a 3D convolution in the fourrier domain. Author: Christopher Coello Ran

How can I do a 'valid' convolution?

28 Aug 2012 3D convolution in the FFT domain Achieve a 3D convolution in the fourrier domain. Author: Christopher Coello D, D

Replacing "extr(1:3)={};" by "extr(1:3)={0};" solved the problem...

27 Aug 2012 3D convolution in the FFT domain Achieve a 3D convolution in the fourrier domain. Author: Christopher Coello D, D

I have the same problem with Matlabs 2010a.
Please, help :(

21 Apr 2012 3D convolution in the FFT domain Achieve a 3D convolution in the fourrier domain. Author: Christopher Coello Edwin

hi, thanks to your code.
but when I run this code,

errors comes out like this:
??? Subscripted assignment dimension mismatch.

Error in ==> convolution3D_FFTdomain at 42
extr(1:3)={};

have I done something wrong? I just unzipped the .m file and runs it at that path. I am using R2011a, is it necessary to run on R2011b?

21 Apr 2012 3D convolution in the FFT domain Achieve a 3D convolution in the fourrier domain. Author: Christopher Coello Edwin

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