Chaofan Du, Ruiqi Wang, Tianyi Wu, Yang Song, Runying Lin, Fulong Shen, Rijun Lai, Xiaolu Lin, Xiaofang Xie, Nannan Liu. "Adaptive classification and grading model of cigar wrapper leaf based on improved ResNet algorithm." Scientific Reports, 2026. doi:10.1038/s41598-026-56083-7