[Insight-users] Demons Registration Initial Displacement Field

[Abayiz]

----- Forwarded Message -----
From: Abayiz <abayiz at yahoo.com>
To: Sureerat Reaungamornrat <sureerat.r at gmail.com> 
Sent: Wednesday, May 2, 2012 12:44 PM
Subject: Re: [Insight-users] Demons Registration Initial Displacement Field
 

Hello Suree, 


I used that filter again for my new case. I used rigid registration to get transformation, then used your suggested filter to get corresponding deformation field, but this time the result was totally strange. The attachment is one slice of the resulted deformation field. 


Do you have any suggestion for this? 


Thank you very much. 



________________________________
 From: Sureerat Reaungamornrat <sureerat.r at gmail.com>
To: Abayiz <abayiz at yahoo.com> 
Sent: Wednesday, April 18, 2012 3:44 PM
Subject: Re: [Insight-users] Demons Registration Initial Displacement Field
 

Hi Abayiz,

   I am glad to hear that help.

Best regards,

Suree


On Wed, Apr 18, 2012 at 2:37 AM, Abayiz <abayiz at yahoo.com> wrote:

Hello Suree,
>
>
>Thank you very much for your answer. That is exactly what I want. 
>
>
>
>Regards,
>Abayiz
>
>
>
>
>________________________________
> From: Sureerat Reaungamornrat <sureerat.r at gmail.com>
>To: Abayiz <abayiz at yahoo.com> 
>Cc: itk <insight-users at itk.org> 
>Sent: Tuesday, April 17, 2012 5:38 PM
>Subject: Re: [Insight-users] Demons Registration Initial Displacement Field
> 
>
>
>Hi Abayiz,
>
>
>    You can use the itk::TransformToDisplacementFieldSource to create a
>displacement field from a rigid transformation and use the displacement as 
>and initial displacement for Demons. 
>
>
>http://www.itk.org/Doxygen/html/classitk_1_1TransformToDisplacementFieldSource.html 
>http://www.insight-journal.org/browse/publication/240  
>
>
>Regards,
>
>
>Suree
>
>
>On Tue, Apr 17, 2012 at 10:31 AM, Abayiz <abayiz at yahoo.com> wrote:
>
>Hello,
>>
>>
>>What I am trying to do is: first perform rigid registration, then use the registration result as initial displacement field for Demons registration algorithm.
>>But the problem is, initial displacement for Demons algorithm should be a vector field type. Is there any way to do what I want here??
>>
>>
>>Thank you in advance. 
>>
>>With regards,
>>Abayiz
>>
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