Hi, I am trying to use the ramp filter FFTRampImageFilter and it fails at Update time with the error message :
itk::ERROR: VnlRealToHalfHermitianForwardFFTImageFilter(00000230EC986BA0): Cannot compute FFT of image with size [1024, 512, 23]. VnlRealToHalfHermitianForwardFFTImageFilter operates only on images whose size in each dimension has a prime factorization consisting of only 2s, 3s, or 5s. I already read Simon's answer to a previous similar issue, saying that he recommends using FFTW by turning ITK_USE_FFTW when building ITK. But I did not compile ITK (on this computer). I simply installed the pre-compiled Python package. My question : can I turn any parameter in Python to force the ramp filter to use this library ? Thanks in advance for your help, Jérome
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