The Multi-Dimensional Hartley Transform as a Basis for Volume Rendering (2000)  (Make Corrections)  
Thomas Theußl, Robert F. Tobler, Eduard Gröller

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Abstract: The Fast Hartley Transform (FHT), a discrete version of the Hartley Transform (HT), has been studied in various papers and shown to be faster and more convenient to implement and handle than the corresponding Fast Fourier Transform (FFT). As the HT is not as nicely separable as the Fourier Transform (FT), a multidimensional version of the HT needs to perform a final correction step to convert the result of separate HTs for each dimension into the final multi-dimensional transform. Although... (Update)

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BibTeX entry:   (Update)

@misc{ theu-multidimensional,
  author = "Thomas Theußl and Robert F. Tobler and Eduard Gröller",
  title = "The Multi-Dimensional Hartley Transform as a Basis for Volume Rendering",
  url = "citeseer.ist.psu.edu/450842.html" }
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