Amit Kumar Singh is an assistant professor in the Computer Science and Engineering Department at the National Institute of Technology Patna, India. He has authored three books and edited five. He is associate editor of IEEE Journal of Biomedical and Health Informatics, IEEE Access, IET Image Processing, and Telecommunication Systems. He is a member of the ACM and senior member of the IEEE. His research interests include multimedia data hiding, image processing, biometrics, and cryptography.

Huiyu Zhou is a professor and the head of The Biomedical Image Processing Lab at the University of Leicester, UK and a visiting scholar at Queen's University Belfast. He is editor-in-chief of Recent Advances in Electrical & Electronic Engineering, and associate editor of numerous international journals. He is area chair of the British Machine Vision Conference and the International Joint Conference on Artificial Intelligence. His research interests include machine learning, computer vision and signal processing.