[Insight-users] raw data resolution reduction

[tony hakki]

hi;
first of all thank you for your fast reply. I have just started to use shrinkImageFilter. How can we decide how much resolution reduction to  do.  I found an example ,but  i didn't understand that how it is decided. For example I would like to do 1/4 resolution reduction. which command makes it?

thanks in advance
Tony


typedef itk::NormalizeImageFilter<MovingImageType,MovingImageType> 
NormalizeFilter;
typedef itk::ChangeInformationImageFilter<MovingImageType> 
ChangeInformationFilter;
typedef itk::ShrinkImageFilter<MovingImageType,MovingImageType> ShrinkFilter;
NormalizeFilter::Pointer movingNormalize = NormalizeFilter::New();
sf[0] = 1;
sf[1] = 1;
sf[2] = 1;
ShrinkFilter::Pointer movingShrink = ShrinkFilter::New();
movingShrink->SetInput(input);
movingShrink->SetShrinkFactors(sf);
ChangeInformationFilter::Pointer movingChange = 
ChangeInformationFilter::New();
movingChange->SetInput(movingShrink->GetOutput());
movingChange->CenterImageOn();
movingChange->Update();
input->Delete();



----- Original Message ----
From: Xabier Artaechevarria Artieda <xabiarta at unav.es>
To: insight-users at itk.org
Sent: Thursday, March 15, 2007 2:57:16 PM
Subject: Re: [Insight-users] raw data resolution reduction


Hi Tony,

you can use the ShrinkImageFilter

Regards,
Xabi

-- 
Xabier Artaechevarria
Cancer Imaging Laboratory
Centre for Applied Medical Research
www.cima.es



tony hakki <tony2007vtk at yahoo.com> ha escrito:

> I have been having difficulty reducing the dataset size ,how can I   
> reduce the resolution of my .raw 3D dataset. Which class is suitable  
>  to manage it.
> Tony
>
>
>
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