My 3D FHT plugin outputs the Hartley coefficients in the native order, with
the low frequencies on the outsides of the images. In preparing for the
ImageJ Conference, I found that this not always convenient. It is addressed
by the new plugin
http://www.optinav.com/Swap_Quadrants_3D.htm, a
generalization of ImageJ's 2D Swap Quadrants.
Bob
Robert P. Dougherty, Ph.D.
President, OptiNav, Inc.
[hidden email]
(425) 467-1118