[Insight-users] Re: Need Help with NarrowBand Registration code

[Luis Ibanez]

Hi Rekha,

I'm glad to hear that you are trying this method.

Unfortunately from your short description it is
very hard to discern what may be going wrong.


Could you please post the following information:

1) Description of the images that you are using,
    including number of pixels and pixel spacing,

2) Exact parameters that you are using,
    including optimizer parameters, width of the
    narrow band

3) Please add a Command/Observer to the optimizer
    and print out the array of parameters of the
    transform for every iteration of the optimizer.
    Then post this to the list. Please read the
    "Image Registration" Chapter of the ITK Software
    Guide for instructions on how to do this:

     http://www.itk.org/ItkSoftwareGuide.pdf


With that information we could be in a better
position to help you.


BTW, did you tried running the code with the
example images available in the directory ?

This paper is the predecessor of the Insight Journal.
It was the first of the series of papers that allowed
readers to verify reproducibility by providing them
with source code, input images and parameters.



   Regards,


       Luis



-----------------------------------------
Tranquebar, Rekha (GE, Research) wrote:
> Hi Luis,
> 
> I have been running the NarrowBand registration code obtained from  
> _http://www.itk.org/cgi-bin/viewcvs.cgi/Papers/WBIR2003/?root=InsightDocuments#dirlist_  
> I had extracted a mask from a slice and used it to derive the narrow 
> band. I used 2D images of both the mask and moving image. I translated 
> the fixed image and the mask by a known amount and ran the code using 
> them. The overlay image of the narrowband and the resampled image did 
> not overlap exactly. I had mailed regarding this earlier. Please help me 
> understand what might be happening; If I am missing something?
> 
> Thanks
> Rekha
> 
> P.S: If you need any other info on parameters I am using, please let me 
> know.
> 
> ----------------------------------------------------------------------------------------- 
> 
> Rekha Tranquebar,                Ph # 91-80-40123025
> Scientist,                       DialCom *901 3025
> Imaging Technologies,               Email: rekha.tranquebar at ge.com
> GE Research, Bangalore 
> 
> 
> 
> _____________________________________________
> *From:  * Tranquebar, Rekha (GE, Research) 
> *Sent:  * Tuesday, September 26, 2006 1:54 PM
> *To:    * 'luis.ibanez at kitware.com'
> *Subject:       * Doubts in NarrowBand Registration (code)
> 
> Hi,
> 
> I have been running the NarrowBand Registration code. The source code 
> was obtained from this link
>  _http://www.itk.org/cgi-bin/viewcvs.cgi/Papers/WBIR2003/?root=InsightDocuments#dirlist_ 
> .Karthick had earlier forwarded it. I had extracted a mask from a slice 
> and used it to derive the narrow band. I used 2D images of both the mask 
> and moving image. I translated the fixed image and the mask by a known 
> amount and ran the code using them. I did not see anything happening 
> after the registration. Could you please help me understand what might 
> be happening?
> 
> Thanks for the help.
> Rekha
> 
> 
> 
> ----------------------------------------------------------------------------------------- 
> 
> Rekha Tranquebar,                Ph # 91-80-40123025
> Scientist,                       DialCom *901 3025
> Imaging Technologies,               Email: rekha.tranquebar at ge.com
> GE Research, Bangalore 
> 
>