AUTHOR=Tang Xinchen , Tang Li , Li Junmin , Guo Xiaofei TITLE=Enhancing multilevel tea leaf recognition based on improved YOLOv8n JOURNAL=Frontiers in Plant Science VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2025.1540670 DOI=10.3389/fpls.2025.1540670 ISSN=1664-462X