The Growing Strawberries Dataset
Tracking Multiple Objects with Biological Development over an Extended Period
Junhan Wen (TU Delft - Algorithmics)
Camiel R. Verschoor (Birds.ai B.V, TU Delft - Algorithmics)
Chengming Feng (TU Delft - Pattern Recognition and Bioinformatics)
Irina Mona Epure (Birds.ai B.V)
TEPMF Abeel (TU Delft - Pattern Recognition and Bioinformatics)
Mathijs M. de Weerdt (TU Delft - Algorithmics)
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Abstract
Multiple Object Tracking (MOT) is a rapidly developing research field that targets precise and reliable tracking of objects. Unfortunately, most available MOT datasets typically contain short video clips only, disregarding the indispensable requirement for adequately capturing substantial long-term variations in real-world scenarios. Long-term MOT poses unique challenges due to changes in both the objects and the environment, which remain relatively unexplored. To fill the gap, we propose a time-lapse image dataset inspired by the growth monitoring of strawberries, dubbed The Growing Strawberries Dataset (GSD). The data was captured hourly by six cameras, covering a span of 16 months in 2021 and 2022. During this time, it encompassed a total of 24 plants in two separate greenhouses. The changes in appearance, weight, and position during the ripening process, along with variations in the illumination during data collection, distinguish the task from previous MOT research. These practical issues resulted in a drastic performance downgrade in the track identification and association tasks of state-of-the-art MOT algorithms. We believe The Growing Strawberries will provide a platform for evaluating such long-term MOT tasks and inspire future research. The dataset is available at https://doi.org/10.4121/e3b31ece-cc88-4638-be10-8ccdd4c5f2f7.v1.