MDWD: A Street-Level Dataset for Municipal Solid Waste Detection in Dense Urban Environments

• URL: http://arxiv.org/abs/2608.00257v1
• Date: Fri, 31 Jul 2026 19:54:25 GMT
• Title: MDWD: A Street-Level Dataset for Municipal Solid Waste Detection in Dense Urban Environments
• Abstract summary: This paper introduces the Maltese Domestic Waste dataset (MDWD)<n>MDWD is a street-level benchmark comprising 3,697 high-resolution images and 11,461 manually annotated instances.<n>Results indicate MDWD supports effective training across both compact real-time detectors and transformer-based models.
• Score: 0.23332469289621785
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Automated visual monitoring of urban environments is a growing Computer Vision research area, but municipal solid waste detection remains under-represented in dedicated benchmark resources. Existing waste-related datasets predominantly address individual litter detection, aerial imagery, or image-level classification, and none simultaneously provide street-level imagery, instance-level localization, and categorization of domestic waste streams within a structured municipal collection context. This paper introduces the Maltese Domestic Waste Dataset (MDWD), a street-level benchmark comprising 3,697 high-resolution images and 11,461 manually annotated instances across five domestic waste categories representative of Malta's municipal collection system. The dataset captures substantial variation in location, illumination, object scale, occlusion, and urban context. To establish reproducible baselines, a cross-architecture benchmark is conducted across multiple generations of the YOLO family and a transformer-based detector. On the test set, RF-DETR-M achieves the strongest overall performance with an mAP50 of 94.49% and an F1-score of 93.56%, whilst smaller-capacity variants maintain competitive accuracy at substantially reduced parameter counts. These results indicate that MDWD supports effective training across both compact real-time detectors and transformer-based models, establishing a benchmark for future research in vision-based municipal waste monitoring.

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