Bitewulign Kassa Mekonnen received the Bachelor's and M.Sc. degrees from the Department of Physics at Bahir Dar University and Haramaya University, Ethiopia, in 2008 and 2012, respectively, and a Ph.D. degree in Electro-Optical Engineering from the National Taiwan University of Science and Technology (NTUST), Taipei, Taiwan, in 2021. Since May 2021, he is a post-doctoral fellow at the Research Center for Applied Sciences, Academia Sinica, Taipei, Taiwan. His research interests include machine learning and deep learning-based NIR signal and Bio-image processing..