[Insight-users] Joint histogram help required

[Luke]

Yes, there are many papers about Multi-Modal images.

This one may help:

      IEEE Trans Med Imaging. 1997 Apr;16(2):187-98.


Multimodality image registration by maximization of mutual information.

Maes F, Collignon A, Vandermeulen D, Marchal G, Suetens P.


Luke

----- Original Message ----- 
From: "Vaijanath Narasinga Rao" <vaiju at cse.iitb.ac.in>
To: "Luke" <khua1 at jhu.edu>
Sent: Thursday, July 08, 2004 12:26 PM
Subject: Re: [Insight-users] Joint histogram help required


> Hi Luke
>
> Thanks for the mail, well is this implemented in the ITK ( i mean MI
> using joint histogram method). If not implemented in the ITK, shall I
> try to implement.
>
> Also would this apporach be good for Multi-Modal images.
>
> Sorry for troubling you people a lot, but do help me out.
>
> Awaiting for your reply.
>
> Regards
> Vaijanath
>
> Luke wrote:
> > Yes, it is feasible.
> >
> > If only 6 component(translation, rotation), around 5~15 minute for
> > registration would be resonable.
> >
> >                                   Luke
> >
> > ----- Original Message ----- 
> > From: "Vaijanath Narasinga Rao" <vaiju at cse.iitb.ac.in>
> > To: <insight-users at itk.org>
> > Sent: Thursday, July 08, 2004 9:00 AM
> > Subject: [Insight-users] Joint histogram help required
> >
> >
> >
> >>Hi to all,
> >>
> >>I have just written a routine to automatically register 2 2-D images
> >>using MI and joint hiostogram. This is working fine. Can anyone guide me
> >>to extend this for 3D volumetric images. Also is this a fesiable option
> >>for 3D images.
> >>
> >>Mutual Information is calculated using joint histogram calculation
> >>between two images. For each angle of rotation I am calculating all the
> >>translation parameters and they are checked.
> >>
> >>Would this apporach be ok of 3D volumetric images or this would fail /
> >>time consuming.
> >>
> >>plz. do help me.
> >>
> >>Regards
> >>Vaijanath
> >>
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>