[Insight-users] Convert signed short to float in DICOM

[Goo]

Hi All:

I currently use 'Geodesic Active Contour Level Set Mehtod' for image
segmentation.
My input is a DICOM 3D image and its type is signed short.
Because the demand for level set, this image must be casted to float.
However, after the execution of
GradientMagnitudeRecursiveGaussianImageFilter,
the output image is black.
After I checked in the entire process, I guess the reason is data type
error.
What means can be taken to resolve the matter?

Regards.
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