Henan Industrial Technology Academy of Spatio-Temporal Big Data University 475004;
College of Geography and Environmental Science University 475004;
Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions of Education University 475004;
Key Research Institute of Yellow River Civilization and Sustainable Development of Education University 475004;
Henan Technology Innovation Center of Spatial-Temporal Big Data University 475004;
Land use and crop classification; Deep learning; High-resolution image; Feature selection; UNet++;