Weicheng Xu, Ph.D. Assistant Researcher, Rice Research Institute, Guangdong Academy of Agricultural Sciences, China; Visiting Scholar, Universitat Politècnica de Catalunya (UPC), Spain. Research interests include UAV-based remote sensing, high-throughput crop phenotyping, LiDAR and multispectral sensing, time-series analysis, and artificial intelligence for crop growth monitoring. Recent academic work focuses on dynamic monitoring and quantitative evaluation of rice early growth vigor using multi-temporal UAV LiDAR and multispectral data, as well as crop plant height estimation and growth-related phenotyping.