This dataset and code support the study of high-precision built-up area recognition in Chongqing, China, using multi-source spatial data and attention-based deep learning models. The dataset includes
The two layers contained within the GRID3 CPV - Settlement Extents v3.0 include: GRID3_CPV_settlement_extents_v3.gpkg: a spatial layer representing settlement polygons. GRID3_CPV_settlement_grid_v3.gp