Analysis of the importance of atmospheric correction in satellite imagery was performed in the thesis. Satellite imagery contains a noise in the visible part of the spectre, that is a consequence of Earth's atmosphere. These values are called Top Of Atmosphere (TOA). With different methods, we try to get actual values of Bottom Of Atmosphere (BOA). In the thesis, algorithms Sen2Cor, Maja and ATCOR were presented and compared, based on a satellite image.
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