AGs‐Unet model 2 Antennas 2 Attention gate U network model 2 Building extraction 2 Buildings 2 Deep learning 2 Extraction 2 Extraction modeling 2 Feature information 2 High-resolution remote sensing images 2 Image enhancement 2 Image-based 2 Net networks Network models 2 Quality control 2 Remote sensing 2 WHU dataset 2 building extraction 2 deep learning 2 high resolution remote sensing image 2