作者机构:[1]School of Computer Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China, [2]Department of Radiology, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA, [3]School of Biology and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China, [4]School of Information Engineering, Yancheng Institute of Technology, Yancheng 224051, China
相关基金:Supported by the National Natural Science Foundation of China (No. 61105057) and the Ph.D Foundation of Jiangsu University of Science and Technology (Nos. 35301002 and 35211104).The authors express their appreciation to the anonymous reviewers who gave many valuable suggestions to improve the paper.