1. College of Mathematics and Physics, Fujian Provincial Key Laboratory of Big Data Mining and Applications (Fujian University of Technology), Fujian University of TechnologyFuzhouFujian350118People's Republic of China
2. Fujian Provincial Key Laboratory of Network Security and Cryptology, School of Mathematics and Computer Science, Fujian Normal UniversityFuzhouFujian350117People's Republic of China
3. Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, School of Computer Science and Technology, Anhui UniversityHefei230039People's Republic of China
4. College of Information Science and Engineering, Fujian Provincial Key Laboratory of Big Data Mining and Applications (Fujian University of Technology), Fujian University of TechnologyFuzhouFujian350118People's Republic of China