[Insight-users] Convert a set of 2D images to 3D

[Luis Roberto P. Paula]

After that, all I need to do is to call the SetInput for each slice and, at
the end, call the Update method?

Thanks,
Luis

On Tue, Apr 21, 2009 at 10:06 AM, Luis Ibanez <luis.ibanez at kitware.com>wrote:

>
> Hi Luis,
>
> You should instantiate the Paste filter in 3D.
>
> Since you are going to paste 2D slices into a 3D image,
> you need to set up the filter in such a way that a 2D
> image is seen as a 3D image of a single slice.
>
>
>   Regards,
>
>
>       Luis
>
>
> -----------------------------
> Luis Roberto P. Paula wrote:
>
>> Hi Luis,
>>
>> I'm a little confused on how to use the itkPasteImageFilter.
>>
>> At first, I created the typedef:
>>
>> typedef itk::PasteImageFilter< ImageType2D > PasteFilter2D;
>>
>>
>> Then:
>>
>>   PasteFilter2D::Pointer paste2D = PasteFilter2D::New();
>>
>>   // I'm lost in this part
>>
>>   for (int i; i < VECTOR_SIZE; i++) {
>>      paste2D->SetInput( IMAGE2D_VECTOR[i] );
>>   }
>>
>> How do I make the output of the paste2D be a 3D image?
>>
>> Do I need to set to the destination image a 3D blank image?
>>
>> The destination index affects the output?
>>
>> I thought it would work like the add method of the std:vector class with
>> an output as a 3D image, but it seems that it can return an image with the
>> same dimension.
>>
>> Thanks,
>> Luis
>>
>> On Fri, Apr 17, 2009 at 3:36 PM, Luis Ibanez <luis.ibanez at kitware.com<mailto:
>> luis.ibanez at kitware.com>> wrote:
>>
>>
>>    Hi Luis,
>>
>>    Yes,
>>    the same should work for pasting 3D images into to 4D images.
>>
>>
>>
>>      Regards,
>>
>>
>>         Luis
>>
>>
>>    ---------------------------
>>    Luis Roberto P. Paula wrote:
>>
>>        Thanks Luis!! This is a much better approach (itkPasteImageFilter).
>>
>>        I guess it works the same way from 3D to 4D, right?
>>
>>        Regards,
>>        Luis
>>
>>        On Thu, Apr 16, 2009 at 1:59 PM, Luis Ibanez
>>        <luis.ibanez at kitware.com <mailto:luis.ibanez at kitware.com>
>>        <mailto:luis.ibanez at kitware.com
>>        <mailto:luis.ibanez at kitware.com>>> wrote:
>>
>>
>>           Hi Luis,
>>
>>           If your images are in individual 2D files, then
>>           you could simply use the ImageSeriesReader.
>>
>>           If your images are in an array of 2D images in
>>           memory, then you may want to use the Paste
>>           filter:
>>
>>              http://itk.org/Doxygen/html/itkPasteImageFilter_8h.html
>>
>>           You will have to call it multiple times...
>>           once per input slice.
>>
>>
>>              Regards,
>>
>>
>>                  Luis
>>
>>
>>           ---------------------------
>>
>>           Luis Roberto P. Paula wrote:
>>
>>               Hi All,
>>
>>               I have a set of 2D images in axial orientation and I want to
>>               create a 3D volume with this images.
>>
>>               It would be de reverse operation of the class
>>        ExtractImageFilter.
>>
>>               Does anybody knows how to do it?
>>
>>               Thanks in advance,
>>               Luis
>>
>>
>>
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