Hitzer, Eckhard Quaternionic Wiener-Khinchine theorems and spectral representation of convolution with steerable two-sided quaternion Fourier transform. (English) Zbl 1368.42010 Adv. Appl. Clifford Algebr. 27, No. 2, 1313-1328 (2017). MSC: 42B10 94A12 PDFBibTeX XMLCite \textit{E. Hitzer}, Adv. Appl. Clifford Algebr. 27, No. 2, 1313--1328 (2017; Zbl 1368.42010) Full Text: DOI
Hitzer, Eckhard General two-sided quaternion Fourier transform, convolution and mustard convolution. (English) Zbl 1368.42009 Adv. Appl. Clifford Algebr. 27, No. 1, 381-395 (2017). MSC: 42B10 PDFBibTeX XMLCite \textit{E. Hitzer}, Adv. Appl. Clifford Algebr. 27, No. 1, 381--395 (2017; Zbl 1368.42009) Full Text: DOI
Grigoryan, Artyom M.; Agaian, Sos S. Tensor transform-based quaternion Fourier transform algorithm. (English) Zbl 1391.94078 Inf. Sci. 320, 62-74 (2015). MSC: 94A08 65T50 PDFBibTeX XMLCite \textit{A. M. Grigoryan} and \textit{S. S. Agaian}, Inf. Sci. 320, 62--74 (2015; Zbl 1391.94078) Full Text: DOI
Sangwine, Stephen J.; Ell, Todd A. Complex and hypercomplex discrete Fourier transforms based on matrix exponential form of Euler’s formula. (English) Zbl 1286.42005 Appl. Math. Comput. 219, No. 2, 644-655 (2012). MSC: 42A38 42B10 15A66 PDFBibTeX XMLCite \textit{S. J. Sangwine} and \textit{T. A. Ell}, Appl. Math. Comput. 219, No. 2, 644--655 (2012; Zbl 1286.42005) Full Text: DOI arXiv Link