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By Eckhard Hitzer, Stephen J. Sangwine. - History of Quaternion and Clifford-Fourier Transforms and Wavelets. - Part I: Quaternions. - 1 Quaternion Fourier Transform: Re-tooling Image and Signal Processing Analysis.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.