[ITK] [ITK-users] Recentering Output of fast marching

[Matt McCormick]

Hi,

This example shows how to find the bounding box of a binary image:

  https://itk.org/Insight/Doxygen/html/Examples_2SpatialObjects_2BoundingBoxFromImageMaskSpatialObject_8cxx-example.html

Hope this helps,
Matt

On Mon, Jun 26, 2017 at 12:39 PM, Andaharoo <andx_roo at live.com> wrote:
> I've been using the fast marching filter to segment out a particular piece of
> a 3d image and now I would like to recenter this segmented part. Sometimes
> the segmented part can be at the edge of the image which makes it hard to
> rotate since it will only rotate around the center. I tried using fast
> marchings getOutputOrigin but that doesn't do what I had hoped it would do.
> If I were to write it would go something along the lines of this with a
> binary image:
> for every pixel
>     if the pixel is 1
>         if the pixels x val is greater than maxX
>             maxX = the pixels x val
>         if the pixels x val is smaller than minX
>             minX = the pixels x val
>         Do the same with the y and z and mins
> Then after getting the extents I coudl just do (minX + maxX) / 2, (minY +
> maxY) / 2, (minZ + maxZ) / 2
>
>
>
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