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Improved YOLO v5s-based detection method for external defects in potato

文献类型： 外文期刊

作者： Li, Xilong 1 ; Wang, Feiyun 1 ; Guo, Yalin 1 ; Liu, Yijun 1 ; Lv, Huangzhen 1 ; Zeng, Fankui 4 ; Lv, Chengxu 1 ;

作者机构： 1.Chinese Acad Agr Mechanizat Sci Croup Co Ltd, Beijing, Peoples R China

2.Key Lab Agr Prod Proc Equipment Minist Agr & Rural, Beijing, Peoples R China

3.China Natl Packaging & Food Machinery Co Ltd, Beijing, Peoples R China

4.Chinese Acad Sci, Lanzhou Inst Chem Phys, Res Ctr Nat Med & Chem Metrol, Lanzhou, Peoples R China

关键词： potato; external defect; object detection; YOLO v5s; deep learning

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：4.8； 五年影响因子：5.7 ）

ISSN： 1664-462X

年卷期： 2025 年 16 卷

页码：

收录情况： SCI

摘要： Currently, potato defect sorting primarily relies on manual labor, which is not only inefficient but also prone to bias. Although automated sorting systems offer a potential solution by integrating potato detection models, real-time performance remains challenging due to the need to balance high accuracy and speed under limited resources. This study presents an enhanced version of the YOLO v5s model, named YOLO v5s-ours, specifically designed for real-time detection of potato defects. By integrating Coordinate Attention (CA), Adaptive Spatial Feature Fusion (ASFF), and Atrous Spatial Pyramid Pooling (ASPP) modules, the model significantly improves detection accuracy while maintaining computational efficiency. The model achieved 82.0% precision, 86.6% recall, 84.3% F1-Score and 85.1% mean average precision across six categories - healthy, greening, sprouting, scab, mechanical damage, and rot - marking improvements of 24.6%, 10.5%, 19.4%, and 13.7%, respectively, over the baseline model. Although memory usage increased from 13.7 MB to 23.3 MB and frame rate slightly decreased to 30.7 fps, the accuracy gains ensure the model's suitability for practical applications. The research provides significant support for the development of automated potato sorting systems, advancing agricultural efficiency, particularly in real-time applications, by overcoming the limitations of traditional methods.

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