Hi Yoonho,
my guess would be that FWDType possesses a SetInput method, from what I
understand from the inheritance diagram.
Also make sure to define a geometry using an instance
ofrtk.ThreeDCircularProjectionGeometry.
I encourage you to have a look at the class documentation:
http://www.openrtk.org/Doxygen/classrtk_1_1ForwardProjectionImageFilter.html
Hope it helps,
best regards,
Vincent
On 27.04.20 09:59, 나윤호 wrote:
Hi I'm trying to make an sinogram of shepp logan phantom.
But I don't know how to do it using RTK...
Do I need to define geometry for this?
Here's what I did so far
image = itk.imread('C:\\Users\\USER\\Jupyter
Notebook\\ITK-RTK\\shepp_logan_phantom.png', itk.F)
array = itk.array_from_image(image)
expand = np.expand_dims(array, axis=2) # just to make it into 3
dimension ( ForwardProjectionImageFilter only supports 3D )
expand = itk.image_from_array(expand)
ImageType = itk.Image[itk.F,3]
FWDType = rtk.ForwardProjectionImageFilter[ImageType, ImageType]
fwd = FWDType.New()
For the last line I have tried both
fwd = FWDType.New(expand) ---> AttributeError: No method found to
set the input.
and
fwd = FWDType.New(Input = expand) ---> AttributeError: 'itkObject'
object has no attribute 'SetInput'
they both had error like this.
How can I make an sinogram of shepp logan phantom?
Yoonho.
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