Ja-Han Chang

Color pattern recognition by quaternion correlation

Soo-Chang Pei, Jian-Jiun Ding, Ja-Han Chang, 2001, Proceedings 2001 International Conference on Image Processing (Cat. No.01CH37205).

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.

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..

2D quaternion Fourier spectral analysis and its applications

Soo-Chang Pei, Jian-Jiun Ding, Ja-Han Chang, 2004, 2004 IEEE International Symposium on Circuits and Systems (IEEE Cat. No.04CH37512).

Quaternion matrix singular value decomposition and its applications for color image processing

Soo-Chang Pei, Jian-Jiun Ding, Ja-Han Chang, 2003, Proceedings 2003 International Conference on Image Processing (Cat. No.03CH37429).