用虚拟数据提升太阳能电站图像识别,减少人工标注需求。
Reducing the gap between general purpose data and aerial images in concentrated solar power plants
- 构建虚拟无人机图像数据集AerialCSP,模拟真实电站场景。
- 在真实数据上预训练后,小缺陷检测准确率显著提升。
- 适合工业界快速部署视觉检测系统的研究者使用。
在聚光太阳能发电(CSP)电站中,无人机拍摄的航拍图像具有独特挑战:高反射表面和领域特定元素在传统计算机视觉数据集中罕见。因此,基于通用数据集训练的模型难以直接泛化到该场景,需大量标注数据重训,而数据采集与标注成本高昂。为此,本文提出一种新方法:构建名为AerialCSP的虚拟数据集,通过合成数据模拟真实航拍图像,用于模型预训练,显著降低对人工标注的需求。主要贡献包括:(1) 提出高质量合成数据集AerialCSP,提供目标检测与图像分割的标注数据;(2) 在AerialCSP上基准测试多种模型,建立CSP视觉任务基线;(3) 证明在AerialCSP上预训练可显著提升真实世界故障检测能力,尤其对罕见和微小缺陷效果明显。AerialCSP已公开发布于https://mpcutino.github.io/aerialcsp/。
原文摘要 · Abstract (English)
In the context of Concentrated Solar Power (CSP) plants, aerial images captured by drones present a unique set of challenges. Unlike urban or natural landscapes commonly found in existing datasets, solar fields contain highly reflective surfaces, and domain-specific elements that are uncommon in traditional computer vision benchmarks. As a result, machine learning models trained on generic datasets struggle to generalize to this setting without extensive retraining and large volumes of annotated data. However, collecting and labeling such data is costly and time-consuming, making it impractical for rapid deployment in industrial applications. To address this issue, we propose a novel approach: the creation of AerialCSP, a virtual dataset that simulates aerial imagery of CSP plants. By generating synthetic data that closely mimic real-world conditions, our objective is to facilitate pretraining of models before deployment, significantly reducing the need for extensive manual labeling. Our main contributions are threefold: (1) we introduce AerialCSP, a high-quality synthetic dataset for aerial inspection of CSP plants, providing annotated data for object detection and image segmentation; (2) we benchmark multiple models on AerialCSP, establishing a baseline for CSP-related vision tasks; and (3) we demonstrate that pretraining on AerialCSP significantly improves real-world fault detection, particularly for rare and small defects, reducing the need for extensive manual labeling. AerialCSP is made publicly available at https://mpcutino.github.io/aerialcsp/.
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