Building extraction Buildings 3 Extraction 3 Image enhancement 3 Remote sensing 3 AGs‐Unet model 2 Antennas 2 Attention gate U network model 2 Deep learning 2 Extraction modeling 2 Feature information 2 High-resolution remote sensing images 2 Image-based 2 Net networks 2 Network models 2 Quality control 2 WHU dataset 2 building extraction 2 deep learning 2 high resolution remote sensing image 2 Classification accuracy 1 Classification technique 1 Contour analysis 1 Decision trees 1 Diffuse reflectivity 1 Digital surface models 1 Error assessment 1 Feature extraction 1 Forestry 1 High resolution image 1