Lei Wang, Zishi An, Shanshan Li, Yihao Zou, Wen Guo, Ran Mei, Kai Xie, Jian-Biao He. "PFL-YOLO: a robust framework for lightweight product damage detection with multi-scale semantic enhancement in unmanned vending systems." Scientific Reports (2026). https://doi.org/10.1038/s41598-026-49439-6