FruitProm: Probabilistic Maturity Estimation and Detection of Fruits and Vegetables

• URL: http://arxiv.org/abs/2510.24885v1
• Date: Tue, 28 Oct 2025 18:39:03 GMT
• Title: FruitProm: Probabilistic Maturity Estimation and Detection of Fruits and Vegetables
• Authors: Sidharth Rai, Rahul Harsha Cheppally, Benjamin Vail, Keziban Yalçın Dokumacı, Ajay Sharda,
• Abstract summary: Maturity estimation of fruits and vegetables is a critical task for agricultural automation, directly impacting yield prediction and robotic harvesting.<n>Current deep learning approaches predominantly treat maturity as a discrete classification problem (e.g., unripe, ripe, overripe)<n>We propose a novel architectural modification to the state-of-the-art, real-time object detector, RT-DETRv2, by introducing a dedicated probabilistic head.<n>This head enables the model to predict a continuous distribution over the maturity spectrum for each detected object, simultaneously learning the mean maturity state and its associated uncertainty.
• Score: 0.4824146370043408
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Maturity estimation of fruits and vegetables is a critical task for agricultural automation, directly impacting yield prediction and robotic harvesting. Current deep learning approaches predominantly treat maturity as a discrete classification problem (e.g., unripe, ripe, overripe). This rigid formulation, however, fundamentally conflicts with the continuous nature of the biological ripening process, leading to information loss and ambiguous class boundaries. In this paper, we challenge this paradigm by reframing maturity estimation as a continuous, probabilistic learning task. We propose a novel architectural modification to the state-of-the-art, real-time object detector, RT-DETRv2, by introducing a dedicated probabilistic head. This head enables the model to predict a continuous distribution over the maturity spectrum for each detected object, simultaneously learning the mean maturity state and its associated uncertainty. This uncertainty measure is crucial for downstream decision-making in robotics, providing a confidence score for tasks like selective harvesting. Our model not only provides a far richer and more biologically plausible representation of plant maturity but also maintains exceptional detection performance, achieving a mean Average Precision (mAP) of 85.6\% on a challenging, large-scale fruit dataset. We demonstrate through extensive experiments that our probabilistic approach offers more granular and accurate maturity assessments than its classification-based counterparts, paving the way for more intelligent, uncertainty-aware automated systems in modern agriculture

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