Jointly RS Image Deblurring and Super-Resolution with Adjustable-Kernel and Multi-Domain Attention

• URL: http://arxiv.org/abs/2412.05696v1
• Date: Sat, 07 Dec 2024 16:44:31 GMT
• Title: Jointly RS Image Deblurring and Super-Resolution with Adjustable-Kernel and Multi-Domain Attention
• Authors: Yan Zhang, Pengcheng Zheng, Chengxiao Zeng, Bin Xiao, Zhenghao Li, Xinbo Gao,
• Abstract summary: Real-world RS images often suffer from a complex combination of global low-resolution degeneration and local degeneration. We propose a dual-branch parallel network named AKMDNet for the JRSIDSR task. AKMDNet consists of two main branches: deblurring and super-resolution branches.
• Score: 43.3544131406078
• License:
• Abstract: Remote Sensing (RS) image deblurring and Super-Resolution (SR) are common tasks in computer vision that aim at restoring RS image detail and spatial scale, respectively. However, real-world RS images often suffer from a complex combination of global low-resolution (LR) degeneration and local blurring degeneration. Although carefully designed deblurring and SR models perform well on these two tasks individually, a unified model that performs jointly RS image deblurring and super-resolution (JRSIDSR) task is still challenging due to the vital dilemma of reconstructing the global and local degeneration simultaneously. Additionally, existing methods struggle to capture the interrelationship between deblurring and SR processes, leading to suboptimal results. To tackle these issues, we give a unified theoretical analysis of RS images' spatial and blur degeneration processes and propose a dual-branch parallel network named AKMD-Net for the JRSIDSR task. AKMD-Net consists of two main branches: deblurring and super-resolution branches. In the deblurring branch, we design a pixel-adjustable kernel block (PAKB) to estimate the local and spatial-varying blur kernels. In the SR branch, a multi-domain attention block (MDAB) is proposed to capture the global contextual information enhanced with high-frequency details. Furthermore, we develop an adaptive feature fusion (AFF) module to model the contextual relationships between the deblurring and SR branches. Finally, we design an adaptive Wiener loss (AW Loss) to depress the prior noise in the reconstructed images. Extensive experiments demonstrate that the proposed AKMD-Net achieves state-of-the-art (SOTA) quantitative and qualitative performance on commonly used RS image datasets. The source code is publicly available at https://github.com/zpc456/AKMD-Net.

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