Xuan Qin
Hubei Subsurface Multi-scale Imaging Key Laboratory, Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan 430074, P. R. China School of Engineering, University of Aberdeen, Aberdeen, AB24 3UE, UK

Yingfang Zhou
School of Engineering, University of Aberdeen, Aberdeen, AB24 3UE, UK

Agus Pulung Sasmito
Department of Mining and Materials Engineering, McGill University, 3450 University Street, Montreal, QC H3A0E8, Canada