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A lightweight network for image super-resolution based on multi-scale feature modulation

delete2026-09-06
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PRE
AI
L
Lei He
W
Wei Luo *
李
李道伦 (Daolun Li)
W
Wenshu Zha
J
Jieqing Tan
J
Jun Shi
M
Min Hu
DOI:10.1016/j.dsp.2026.106491delete
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摘要

摘要

En 中文
轻量化卷积网络在单图像超分辨率中计算高效,但常难以捕捉全局上下文和长距离依赖。为解决此问题,我们提出了一种轻量级多尺度特征调制网络(MSFMN),在实现高效计算的同时建模全局和局部信息。具体而言,我们提出了一个多尺度特征调制模块(MSFM)。该模块通过双分支协同机制融合局部信息和全局信息,即局部特征提取分支和全局特征提取分支。具体地,局部分支采用深度卷积操作捕捉高频细节,而全局分支通过层次化多尺度卷积(逐步扩大感受野)实现长距离上下文建模。所得多尺度全局特征随后上采样至原始分辨率并转化为空间调制权重,自适应地调制局部特征以引导结合全局上下信息的重建。此外,为增强特征交互效果并实现高效特征融合,我们提出了双分支前馈网络。最终,通过结合多尺度特征调制模块与双分支前馈网络,构建了一个统一的特征聚合模块以实现代表性特征的筛选。实验结果表明,在放大因子×2下,相比SRConvNet,我们的方法性能更优,PSNR最高提升0.42 dB,参数量约减少21%。
Keyword:
Image super-resolution
Multi-scale feature modulation
Dual-branch feedforward network

期刊

D
Digital Signal Processing
IF:
3
论文数:
786
被引数:
0

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引用论文

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