P.O. Arkhipov1, S.L. Philippskih2, M.V. Tsukanov3
1–3 Orel Branch of the Federal Research Center "Computer Science and Control" of the Russian Academy of Sciences (Orel, Russia)
1 arpaul@mail.ru, 2 philippsl@mail.ru, 3 tsukanov.m.v@yandex.ru
This paper examines the limitations of existing methods for aerial and satellite image super-resolution. Such methods are primarily designed to improve the visual quality of images but often introduce inaccuracies and hallucinations, limiting their applicability to computer vision and Earth observation tasks. To overcome these limitations, a neural network training method capable of controlling hallucinations is required to ensure that the reconstructed images remain as close as possible to the corresponding ground-truth high-resolution images. To address this challenge, a study was conducted to identify baseline models for evaluating the effectiveness of the proposed loss function and the training protocol for convolutional neural networks designed for aerial and satellite image super-resolution. The study established a baseline reconstruction performance using bicubic interpolation, identified SRResNet as the most suitable neural network architecture, and developed a training protocol incorporating both synthetic and cross-sensor satellite imagery. The obtained results provide the foundation for developing a neural network training method with hallucination control and a dedicated loss function aimed at preserving the natural details of aerial and satellite images.
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