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    • Event-based motion deblurring with dual-channel Mamba and pyramid channel attention

    • The high temporal resolution event camera provides a new development approach for traditional motion image deblurring tasks. However, current event driven motion image deblurring methods suffer from insufficient cross modal compensation mechanisms, high computational complexity of depth features, and lack of attention to multi-scale spatiotemporal information, which limits the deblurring generalization performance in complex scenes. To address these challenges, a dual channel Mamba network (DCM Net) is proposed. The method uses a dual channel cross modal Mamba module (DCCM), which projects events and blurry images into a shared latent feature space through a linear complexity state space model (SSM) hidden state mapping. Then, through a nonlinear cross gating structure, low-noise blurry image information is used to suppress event noise, and clear edge features of events are extracted and embedded into image features to achieve complementary fusion of cross modal features of events and blurry images, achieving the effect of deblurring. In addition, a pyramid channel attention module (PyCA) is proposed to extract multi-scale spatiotemporal information of features, guide the network to focus on key time channels, enhance the reconstruction of local fuzzy details in space, and further improve the restoration accuracy of potential clear image sequences. The experiment was conducted on the synthesized REDS (real and diverse scenes) dataset and the semi synthesized HQF (high quality frames) dataset, and compared with 11 methods. Compared with the DeMo IVF method, our method improved the peak signal-to-noise ratio (PSNR) of reconstructed sequences on the REDS dataset by an average of 0.16 dB, and the structural similarity index (SSIM) by an average of 0.003; On the HQF dataset, PSNR and SSIM showed an average improvement of approximately 0.11 dB and 0.002 dB, respectively; The learned perceptual image patch similarity (LPIPS) of the sequence reconstruction results on two datasets is optimal. In the subjective comparative experiment compared with five of the more advanced methods, our method achieved the best score. Conclusion: The method proposed in this article can combine fuzzy images and event data to reconstruct clear latent image sequences, demonstrating the effectiveness of the proposed network framework
    • Vol. 31, Issue 1, Pages: 243-260(2026)   

      Received:28 March 2025

      Revised:2025-06-17

      Accepted:09 July 2025

      Published:16 January 2026

    • DOI: 10.11834/jig.250115     

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  • Luo Weiqi, Gao Can, Liu Hongyi, Xia Guisong, Yu Lei. 2026. Event-based motion deblurring with dual-channel Mamba and pyramid channel attention. Journal of Image and Graphics, 31(1):0243-0260 DOI: 10.11834/jig.250115.
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相关作者

Gao Can 武汉大学电子信息学院
Luo Weiqi 武汉大学电子信息学院
Liu Hongyi 武汉大学电子信息学院
Yu Lei 武汉大学人工智能学院
Xia Gui-song 武汉大学人工智能学院
Wang Maohua 福建师范大学计算机与网络空间安全学院
Qiu Yunfei 辽宁工程技术大学软件学院
Liu Zeyan 辽宁工程技术大学软件学院;辽宁理工学院信息工程学院

相关机构

College of Information Engineering, Liaoning Institute of Science and Engineering
School of Computer and Cyberspace Security, Fujian Normal University
School of Software,Liaoning Technical University
Synsense Ningbo
Intelligent Science and Technology Academy of CASIC
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