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nonsubsampled Contourlet decomposition NSCT

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Soum on 19 Jun 2016
I have an image (medical image) 1024*1024 I'm trying to decompose it using the NSCT toolbox but every time I run the code I got this error:
This error was detected while a MEX-file was running. If the MEX-file
is not an official MathWorks function, please examine its source code
for errors. Please consult the External Interfaces Guide for information
on debugging MEX-files.
the only mex files I'm using are the ones in the Toolbox
nlevels = [0, 1, 3] ; % Decomposition level
pfilter = 'maxflat' ; % Pyramidal filter
dfilter = 'dmaxflat7' ; % Directional filter
% Nonsubsampled Contourlet decomposition
coeffs = nsctdec( double(im), nlevels, dfilter, pfilter );

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