NDLI: Automatic Boundary Extraction for Photovoltaic Plants Using the Deep Learning U-Net Model

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Automatic Boundary Extraction for Photovoltaic Plants Using the Deep Learning U-Net Model

Content Provider	MDPI
Author	Andr, és Pérez-González Jaramillo-Duque, Álvaro Cano-Quintero, Juan
Copyright Year	2021
Abstract	Nowadays, the world is in a transition towards renewable energy solar being one of the most promising sources used today. However, Solar Photovoltaic (PV) systems present great challenges for their proper performance such as dirt and environmental conditions that may reduce the output energy of the PV plants. For this reason, inspection and periodic maintenance are essential to extend useful life. The use of unmanned aerial vehicles (UAV) for inspection and maintenance of PV plants favor a timely diagnosis. UAV path planning algorithm over a PV facility is required to better perform this task. Therefore, it is necessary to explore how to extract the boundary of PV facilities with some techniques. This research work focuses on an automatic boundary extraction method of PV plants from imagery using a deep neural network model with a U-net structure. The results obtained were evaluated by comparing them with other reported works. Additionally, to achieve the boundary extraction processes, the standard metrics Intersection over Union ( $I o U$ ) and the Dice Coefficient ( $D C$ ) were considered to make a better conclusion among all methods. The experimental results evaluated on the Amir dataset show that the proposed approach can significantly improve the boundary and segmentation performance in the test stage up to $90.42$ % and $91.42$ % as calculated by $I o U$ and $D C$ metrics, respectively. Furthermore, the training period was faster. Consequently, it is envisaged that the proposed U-Net model will be an advantage in remote sensing image segmentation.
Starting Page	6524
e-ISSN	20763417
DOI	10.3390/app11146524
Journal	Applied Sciences
Issue Number	14
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2021-07-15
Access Restriction	Open
Subject Keyword	Applied Sciences Remote Sensing Deep Learning (dl) Unmanned Aerial Vehicle (uav) Photovoltaic (pv) Systems Image-processing Image Segmentation Semantic Segmentation
Content Type	Text
Resource Type	Article

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