Food waste has emerged as a significant global issue, both due to the economic losses it causes and its threat to the sustainable use of natural resources. In this study, different versions of the YOLO (You Only Look Once) family, ranging from YOLOv6 to YOLOv11, were compared to enable the automatic detection and classification of food waste. Using two different datasets, performance metrics such as inference speed, accuracy rates (precision, recall), and mean average precision (mAP50, mAP50-95) were analysed for each model. The results demonstrated that the model performance trends varied based on the characteristics of the dataset. In the first dataset, YOLOv9 offered relatively higher accuracy and broader coverage, whereas in the second dataset, YOLOv8 provided a more balanced precision-recall profile. Furthermore, inference times revealed that some models, despite being the latest versions, were not the fastest or most accurate. The performances of the models were also evaluated using two test images. For the first image, YOLOv6 produced higher accuracy than other models but made erroneous or excessive predictions for certain classes. For the second, YOLOv10 and YOLOv11 correctly detected all classes, while earlier models missed or misclassified some. These findings demonstrate the performance limitations of the models when dealing with images containing complex backgrounds and diverse food types. Moreover, they emphasise the importance of considering dataset characteristics, hardware constraints, and application objectives when selecting models. Such considerations can improve the efficiency and sustainability of the intelligent systems developed to detect food waste.
| Primary Language | English |
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| Subjects | Data Engineering and Data Science, Data Management and Data Science (Other) |
| Journal Section | Research Article |
| Authors | |
| Submission Date | March 18, 2025 |
| Acceptance Date | August 19, 2025 |
| Publication Date | January 9, 2026 |
| Published in Issue | Year 2025 Issue: 4 |