FPGA implementation of LMS-based FIR adaptive filter for real time digital signal processing applications. - Carlo Safarian; Tokunbo Ogunfunmi; Walter J. Kozacky; Basant K. Mohanty (DSP, 2015)

Quaternion Kernel Normalized Minimum Error Entropy Adaptive Algorithms. - Carlo Safarian; Tokunbo Ogunfunmi (APSIPA, 2018)

A Quaternion Kernel Minimum Error Entropy Adaptive Filter. - Tokunbo Ogunfunmi; Carlo Safarian (ICASSP, 2018)

The quaternion minimum error entropy algorithm with fiducial point for nonlinear adaptive systems. - Carlo Safarian; Tokunbo Ogunfunmi (Signal Process., 2019)

The Quaternion Stochastic Information Gradient Algorithm for Nonlinear Adaptive Systems. - Tokunbo Ogunfunmi; Carlo Safarian (IEEE Trans. Signal Process., 2019)