An RGB-D Image Dataset for Lychee Detection and Maturity Classification for Robotic Harvesting

• URL: http://arxiv.org/abs/2510.16800v1
• Date: Sun, 19 Oct 2025 11:47:20 GMT
• Title: An RGB-D Image Dataset for Lychee Detection and Maturity Classification for Robotic Harvesting
• Authors: Zhenpeng Zhang, Yi Wang, Shanglei Chai, Yingying Liu, Zekai Xie, Wenhao Huang, Pengyu Li, Zipei Luo, Dajiang Lu, Yibin Tian,
• Abstract summary: Lychee is a high-value subtropical fruit.<n>The adoption of vision-based harvesting robots can significantly improve productivity.<n>There are currently no consistently and comprehensively annotated open-source lychee datasets.
• Score: 20.028328464541456
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Lychee is a high-value subtropical fruit. The adoption of vision-based harvesting robots can significantly improve productivity while reduce reliance on labor. High-quality data are essential for developing such harvesting robots. However, there are currently no consistently and comprehensively annotated open-source lychee datasets featuring fruits in natural growing environments. To address this, we constructed a dataset to facilitate lychee detection and maturity classification. Color (RGB) images were acquired under diverse weather conditions, and at different times of the day, across multiple lychee varieties, such as Nuomici, Feizixiao, Heiye, and Huaizhi. The dataset encompasses three different ripeness stages and contains 11,414 images, consisting of 878 raw RGB images, 8,780 augmented RGB images, and 1,756 depth images. The images are annotated with 9,658 pairs of lables for lychee detection and maturity classification. To improve annotation consistency, three individuals independently labeled the data, and their results were then aggregated and verified by a fourth reviewer. Detailed statistical analyses were done to examine the dataset. Finally, we performed experiments using three representative deep learning models to evaluate the dataset. It is publicly available for academic

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