fftImg: Compute FFT image
In ripa: R Image Processing and Analysis

This function computates the power spectrum of a given image by FFT.

1	fftImg(img)

img

target image

an imagematrix

FFTW (Fastest Fourier Transform in the West) http://www.fftw.org

  ## Not run: 
  data(logo)
  plot(normalize(fftImg(logo)))
  
## End(Not run)

ripa documentation built on May 29, 2017, 5:39 p.m.

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