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FDWD-Net: Feature-Decoupled and Window-Differentiated Network for Remote Sensing Image Super-Resolution

Year: 2026
Type: article
Abstract: Super-resolution reconstruction of remote sensing images has significant application value in fields such as smart cities, land monitoring, and traffic management. However, current super-resolution methods often overlook the differences between semantic and texture feature representations. This limitation makes it difficult to collaboratively preserve semantic structures and fine details during reconstruction, thereby affecting overall reconstruction quality. To address these challenges, this paper proposes a novel remote sensing image super-resolution network based on feature decoupling and differential window design, termed FDWD-Net. Specifically, we introduce an Adaptive Energy-driven Channel Selection module and a Multi-Directional Gradient-based Semantic–Texture Decoupling module to identify informative channels from the feature maps and decouple them into semantic and texture representations for independent optimization. Furthermore, we design a Differential Window-based Cross-scale Interaction module that dynamically adjusts window sizes based on local texture complexity, enabling adaptive feature modeling and effective multi-scale information interaction. Experimental results confirm that our method surpasses existing mainstream models on several remote sensing datasets. It also performs better in preserving structures and restoring detailed information.
DOI: 10.3390/rs18091316
Authors: Yinghua Li, Ting Fan, Yining Zhang, Xiwen Yang, Jian Xu, Kaichen Chi
Language: English
Open Access status: gold
Estimated APC paid: $3,258
OpenAlex ID: W7156248045
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