[Insight-users] extracting a subvolume from a larger volume

[Luis Ibanez]

You may also want to look at

     itkRegionOfInterestImageFilter

You will find an example at:

     Insight/Examples/IO/
           ImageReadRegionOfInterestWrite.cxx


The difference between the "Extract" filter and
the "RegionOfInterest" filter is how they compute
the Origin of the output image, and what Index
the use for the Start of the output image region.

The Extract filter produces an image whose Origin
is the *same* as the input image, and whose Start
index is the one that the user provides as the beginning
of the region to extract.

The RegionOfInterest filter produces an image whose
Origin is computed as the Physical Coordinates of the
Start index of the region to extract, and uses as Start
index of the output image the set of zeros.


       Luis


------------------------------------------------------------------------
On Fri, Jul 10, 2009 at 7:33 AM, Andreas Schuh <
andreas.schuh.84 at googlemail.com> wrote:

> Hi,
>
> have a look at itk::ExtractImageFilter. Instead of the center, you specify
> the starting index of the subvolume.
>
> --
> regards
> Andreas
>
>
> On Jul 10, 2009, at 6:54 AM, shoosh moosh <babygirl_25 at hotmail.com> wrote:
>
>  Hi,
> Is there an ITK program where I can specify the x, y, z coordinates of the
> center of a subvolume and also the width, height, and depth of the subvolume
> to extract a subvolume from a bigger volume?
> Thanks
>
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