Original ResearchPublished 8 October 2026A two-stage method for defect detection and mechanical damage assessment in mechanically harvested tobacco leavesErdeng Ma · Hezheng Wang · Siwei Zhang · Wanxin Li · Jiahui Liu · Dong Zhao · Jian ZhaoFrontiers in Plant Sciencedoi 10.3389/fpls.2026.1956974