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School of Spatial Planning and Development (Eng.), Aristotle University of Thessaloniki, GR-541 24 Thessaloniki, Greece
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Authors to whom correspondence should be addressed.
Received: 08 Nov 2022
Accepted: 16 Dec 2022
Published: 22 Dec 2022
Abstract
In this paper, image fusion is performed by utilizing images derived from different cameras for the unmanned aerial vehicle (UAV). By producing the fused image, the spatial resolution of the multispectral (MS) image is improved on the one hand and the classification accuracy on the other hand. First, however, the horizontal and vertical accuracy of the generated products, orthophoto mosaics, and digital surface models, is determined using checkpoints that do not participate in the processing of the image blocks. Also, the changes of these accuracies with a 50% increase (or decrease) of the UAV's flight height are determined. The study area is the Early Christian Basilica C and the flanking Roman buildings, at the archaeological site of Amphipolis (Eastern Macedonia, Greece).
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