[ITK Community] [Insight-users] simpleitk ipython notebook "Failed to allocate memory for image."

[Bradley Lowekamp]

I believe the crop filter takes the sizes the upper and lower
boundaries are reduced not the index:

http://www.itk.org/SimpleITKDoxygen/html/classitk_1_1simple_1_1CropImageFilter.html

Likely there is a lack out out of bounds checking in ITK resulting in
some under flow.

> On Oct 31, 2013, at 11:18 PM, jmerkow <jmerkow at gmail.com> wrote:
>
> I am trying to Crop an image using sitk.Crop.  I get this error:
>
> ....SimpleITK-build/ITK-prefix/include/ITK-4.3/itkImportImageContainer.hxx:191:
> Failed to allocate memory for image.
>
>
> Code:
> # Extract 2D slice of image
> index = [0,0,idx[2]]
> newsize = list(img_T1.GetSize())
> newsize[2] = 0
> islice = sitk.Extract(img_T1_255,newsize,index)
> #myshow(islice)
> #plot(idx1[0],idx1[1],'r.')
> # Extract Crop
> center =[idx[0],idx[1],0]
> dx = 50
> dy = 50
> boxer = np.array([dx,dy,0],int)
> low= list(center - boxer)
> up = list(center + boxer)
> print low,up
> islice = sitk.Crop(islice,(180,350,0),(210,380,0))
> myshow(islice)
>
>
> Later on I allocate new images for segmentation (i.e. gradient etc) on the
> full image, so I don't think its a memory issue?
>
> Jameson
>
>
>
> --
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