International Core Journal of Engineering 2020-26 | Page 9

Detection of Research Front Topic Based on Data of NSF Artificial Intelligence Project Liqu Wen (Beijing Science and Technology Information Research Institute), Wei Zhang (Beijing Science and Technology Information Research Institute), Xiaohong Jin (Beijing Science and Technology Information Research Institute), and Ziqiang Liu (University of Chinese Academy of Sciences) 82 An Air Quality Grade Forecasting Approach Based on Ensemble Learning Weike Liu (National University of Defense Technology), Hang Zhang (National University of Defense Technology), and Qingbao Liu (National University of Defense Technology) 87 RFID Multi-Channel Design Method Based on CDMA Ping Du (Guangdong Construction Polytechnic), Yanfen Shen (Guangdong Construction Polytechnic), and Yuewei Zeng (Guangdong Construction Polytechnic) 92 Application of Optical Physical Layer Network Coding on Passive Optical Interconnection Jialong Chen (Shenzhen University), Maoguo Cai (Shenzhen University), and Ning Chen (Shenzhen University) 96 Semi-Supervised Structured Sparse Graph Data Classification Shuai Shao (University of Electronic Science and Technology of China) and Mingze Tang (Beijing University of Posts and Communications) CIMR: Intelligent Cellphones Recommendation for Consumers Based on Machine Learning Techniques Ruxun Xiang (Chengdu University of Information Technology, China) and Min Fu (Macquarie University, Australia) 100 104 Sound Event Recognition Based in Feature Combination with Low SNR Guolin Yan (Guilin University of Technology), Mei Wang (Guilin University of Technology), X. Liu (Guilin University of Technology), and Xiyu Song (Guilin University of Electronic Technology) 109 Parameter Free Clustering Algorithm Based on Density and Natural Nearest Neighbor Yulun Wu (Guilin University of Technology) 115 Reversible Database Watermarking Based on Differential Evolution Algorithm Miaochan Zhao (Guilin University of Technology), Chuanxian Jiang (Qiongtai Normal University), and Jiangbing Duan (Anhui Si Chuang Electronics Co., Ltd.) 120 An UAV Path Planning Method in Complex Mountainous Area Based on a New Improved Ant Colony Algorithm 125 Ziyuan Ma (Nanjing University of Aeronautics and Astronautics), Huajun Gong (Nanjing University of Aeronautics and Astronautics), and Xinhua Wang (Nanjing University of Aeronautics and Astronautics) Research on ROI Algorithm of Ship Image Based on Improved YOLO Tianwei Li (Dalian Naval Academy), Kun Zhang (Dalian Naval Academy), Wei Li (Dalian Naval Academy), and Qian Huang (Dalian Naval Academy) 130 Research on the Most Throwing Position of UAV Based on Mathematical Modeling Guoliang Liu (Anhui Agricultural University), Qinjie Wang (Anhui Agricultural University), Gefan Huang (Anhui Agricultural University), Lijing Tu (Anhui Agricultural University), and Guodong Wu (Anhui Agricultural University) 134 vii