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Images captured in low-light scenes are susceptible to multiple degradations such as darkness, noise, and blur, resulting in poor visibility and visual perception. Multi-degraded low-light image enhancement poses challenges to existing image enhancement methods as follows: on the one hand, low-light image enhancement or deblurring methods cannot handle all three types of degradation, and the effect of the combination strategy is limited by the increased computational cost and error accumulation. On the other hand, the existing multi-degraded low-light image enhancement method adopts the strategy of enhancing brightness first and then removing blur, and this sequential processing manner increases the risk of losing feature cues and is not conducive to detail recovery. To cope with the above challenges, this paper proposes the progressive edge-aware interactive enhancement network (PEIE-Net), which reduces the loss of feature details by designing a step-by-step enhancement process. Specifically, our network consists of an image enhancement branch and an edge information prediction branch. In each enhancement stage of the image enhancement branch, a self-attention modulation prediction module is designed to extract the global information, which is used for adaptive modulation in the channel modulation module and multi-scale restoration module. In the edge information prediction branch, the spatial-frequency domain feature transformation module is developed to extract the edge perceptual information. The edge perceptual information is used to predict the edges of high-quality images while also fused with the image enhancement features, simulating the interaction between different perceptions within the human visual system. In addition, we propose scene brightness estimation loss to coordinate the multiple progressive enhancement stages. Experiments on synthetic and real datasets demonstrate the effectiveness and sophistication of our method for enhancing low-light, noisy, and blur-degraded images, and can be used for low-light image enhancement and super-resolution tasks. © 2025 Chinese Institute of Electronics. All rights reserved.
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Acta Electronica Sinica
ISSN: 0372-2112
Year: 2025
Issue: 3
Volume: 53
Page: 926-940
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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