In this study we demonstrate how to generate high accuracy mosaic using KOMPSAT-3A data. The city of Ottawa, Canada, was chosen as the study area.   SI Imaging Services (SIIS) provided nine KOMPSAT-3A L1O data with overlaps acquired between April and June of 2017. L1O data was chosen because it is supplied with RPC data, which enables use of the RPC geometric modeling method. PCI OrthoEngine software was used to perform the entire process.

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