Water depth inversion method and device combined with CatBoost and storage medium

The invention discloses a CatBoost-combined water depth inversion method and device and a storage medium, and belongs to the technical field of optical remote sensing, and the method comprises the steps: obtaining multispectral remote sensing image data of a to-be-measured position, and carrying out the preprocessing; based on the preprocessed multispectral remote sensing image data, obtaining radiation brightness data of different wavebands of the to-be-measured position by adopting a multi-value extraction-to-point method; inputting the radiation brightness data into a prefabricated traditional water depth inversion model and a CatBoost water depth inversion model, and respectively solving water depth data of the position to be measured; and comparing, evaluating and analyzing the water depth data solved by the traditional water depth inversion model and the CatBoost water depth inversion model, and solving an inversion value of the final water depth data. According to the method, a traditional water depth