Ja-Han Chang

Eigenvalues and Singular Value Decompositions of Reduced Biquaternion Matrices

Soo-Chang Pei, Jian-Jiun Ding, Ming-Yang Chen, 2008, IEEE Transactions on Circuits and Systems I: Regular Papers.

Efficient implementation of quaternion Fourier transform, convolution, and correlation by 2-D complex FFT

Soo-Chang Pei, Jian-Jiun Ding, Ja-Han Chang, 2001, IEEE Trans. Signal Process..

Commutative reduced biquaternions and their Fourier transform for signal and image processing applications

Soo-Chang Pei, Jian-Jiun Ding, Ja-Han Chang, 2004, IEEE Transactions on Signal Processing.