1Shaanxi Key Lab of Speech & Image Information Processing (SAIIP), School of Computer Science, Northwestern Polytechnical University, Xi’an 710072, China 2School of Computer Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China 3Faculty of Computational Mathematics & Cybernetics, Lomonosov Moscow State University, Moscow, Russia 4Berkeley Biomedical Data Science Center (BBDS), Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA 5Biomedical and Multimedia Information Technology (BMIT) Research Group, School of Information Technologies, University of Sydney, Sydney, NSW 2006, Australia