Detection of small objects in remote sensing images based on bi-level routing attention and deformable convolution

Pengbing Chen, Shouxin Liu, Wenshan Feng, Hui Wang, Xiaowei Li

Abstract: Highlights•Enhancing small object detection in remote sensing images.•Increasing small object feature extraction by reducing the effect of complex background with bi-level routing attention.•Reducing the loss of fine-grained feature information using deformable convolution.•Using scale-insensitive NWD-CIoU loss to compute localization loss.