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Erschienen in:
2020 | OriginalPaper | Buchkapitel
Segmentation of Thermography Image of Solar Cells and Panels
verfasst von : Estefanía Alfaro-Mejía, Humberto Loaiza-Correa, Edinson Franco-Mejía, Luis Hernández-Callejo
Erschienen in: Smart Cities
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Abstract
In this work, two segmentation techniques for photovoltaic (PV) solar panels are explored: filtering by area and the second to the method of active contours level-set method (ACM LS). Tuning these techniques enables the contours of the solar panels to be obtained. Once these contours are established, morphological operations are used to refine the obtained edges and the Hough transform technique is used to find the main lines in the image. The vertices are then found from the possible intersections between the lines. Finally, the vertices are brought to the desired position at scale according to the reference of the PV panels projection transformations. The extraction of the region of interest is evaluated from the Dice similarity coefficient (DSC), Intersection over Union (IoU), and recall segmentation metrics.