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Chongqing Jiao Tong University

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Selected work

Representative Papers

DB SwinT: A Dual-Branch Swin Transformer Network for Road Extraction in Optical Remote Sensing Imagery

Mar 25, 2026

This work addresses the challenge of fragmented road structures and low extraction accuracy in optical remote sensing imagery caused by occlusions from trees, buildings, and other objects. To this end, the authors propose a dual-branch Swin Transformer network that integrates a U-Net–inspired multi-scale feature fusion strategy. The architecture employs separate local and global branches to recover fine details in occluded regions and preserve topological continuity of road networks, respectively. An Attention-based Feature Fusion (AFF) module is further introduced to adaptively integrate information from both branches. This design effectively balances local detail reconstruction with global semantic context modeling. Experimental results demonstrate state-of-the-art performance, achieving Intersection over Union (IoU) scores of 79.35% and 74.84% on the Massachusetts and DeepGlobe road datasets, respectively, significantly outperforming existing methods.

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Latest Papers

DB SwinT: A Dual-Branch Swin Transformer Network for Road Extraction in Optical Remote Sensing Imagery

Mar 25, 2026

This work addresses the challenge of fragmented road structures and low extraction accuracy in optical remote sensing imagery caused by occlusions from trees, buildings, and other objects. To this end, the authors propose a dual-branch Swin Transformer network that integrates a U-Net–inspired multi-scale feature fusion strategy. The architecture employs separate local and global branches to recover fine details in occluded regions and preserve topological continuity of road networks, respectively. An Attention-based Feature Fusion (AFF) module is further introduced to adaptively integrate information from both branches. This design effectively balances local detail reconstruction with global semantic context modeling. Experimental results demonstrate state-of-the-art performance, achieving Intersection over Union (IoU) scores of 79.35% and 74.84% on the Massachusetts and DeepGlobe road datasets, respectively, significantly outperforming existing methods.

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