Quaternion Fourier Transforms for Signal and Image Processing - Ell, Todd A. (UTC Aerospace Systems, Burnsville, MN, USA) a Le Bihan, Nicolas (CNRS - GIPSA-Lab, Grenoble, France) a Sangwine, Stephen J. (University of Essex, Colchester, UK)

Based on updates to signal and image processing technology made in the last two decades, this text examines the most recent research results pertaining to Quaternion Fourier Transforms. QFT is a central component of processing color images and complex valued signals.