[ITK] [ITK-users] Problems Using GPU Filters

[Matt McCormick]

Hi Andaharoo,

As a rule of thumb, use itk::GPUImage with itk::GPU*ImageFilter. This
ensures that the input image can be pass from CPU to GPU memory and
the output image can be passed from GPU to CPU memory if required.

Hope this helps,
Matt

On Tue, Aug 1, 2017 at 2:15 PM, Andaharoo <andx_roo at live.com> wrote:
> Yeah I figured this out and it allowed me to use
> GPUGradientAnisotropicImageFilter.
> I was using GPUGradientAnisotropicImageFilter<itkImage, itkImage> and using
> GPUGradientAnisotropicImageFilter<itkImage, itkGPUImage> fixed it.
>
> But I can't seem to use any other GPU filters unless I apply them after the
> gradient anisotropic? It's not converting and I'm unable to setup my readers
> to use itkGPUImage so I can't do
> GPUGradientAnisotropicImageFilter<itkGPUImage, itkGPUImage>
>
> Pipeline:
> vtkImage -> vtktoitk filter -> gpu filter ->  itktovtkfilter ->
>
> Also does
> GPUGradientAnisotropicImageFilter<itkGPUImage, itkImage> differ from
> GPUGradientAnisotropicImageFilter<itkImage, itkGPUImage> because the output
> of a gpu filter can go back to a cpu filter? This is what made me initially
> think I would use GPUGradientAnisotropicImageFilter<itkImage, itkImage>
>
> Thanks
>
>
>
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