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Re: Radon transform


From: David Bateman
Subject: Re: Radon transform
Date: Tue, 29 Aug 2006 11:57:10 +0200
User-agent: Thunderbird 1.5.0.5 (X11/20060817)

Peter Cloetens wrote:
> Hello,
> Did anybody work on an implementation of the Radon transform in Octave?
> In Matlab it is implemented using mex-code.
> Maybe this can be done with octaviz and VTK?
>
> Also, is there a simple equivalent of mfilename (name of the  
> currently executing m-file) or a way to get the name of the currently  
> executing function?
>
> Thanks,
> Peter
>   
Octave 2.9.8 has a fully functional mex interface, and so the existing
matlab code can probably be used. Though please for copyright reasons
use the code at http://pto.linux.dk/PhD/ rather than the file radonc.c
that can be found on the web that is Mathworks image processing toolbox
function.

There is a speed penalty of using mex code in octave due to the need to
copy data from matlab like data structures to octave data structures.

The function mfilename is also part of octave 2.9.8

Cheers
David

-- 
David Bateman                                address@hidden
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91193 Gif-Sur-Yvette FRANCE                  +33 1 69 35 77 01 (Fax) 

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