1. Henan University of Technology,Henan Key Laboratory of Grain Photoelectric Detection and Control,Zhengzhou,China,450001
2. Henan University of Technology,College of Information Science and Engineering,Zhengzhou,China,450001
3. California State University,Department of Computer Science,Sacramento,CA,USA,95819-6021
4. Auburn University,Department of Electrical and Computer Engineering,Auburn,AL,USA,36849-5201