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用于水下图像增强的多层级联融合增强网络

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为了提高水下无人潜航器决策的准确性,构建了一种用于增强水下图像的多层级联融合增强网络.首先,设计注意力引导的色彩增强模块并结合多层级联增强架构,在提取图像多尺度特征的同时,加强特征重用;其次,设计全局调整模块,将Swin Transformer与扩张卷积相结合,提升网络对于退化图像整体增强效果;最后,将各模块提取到的特征信息经由三重特征聚合模块进行融合增强,得到增强水下图像.为了可以更好地训练模型,构造了联合损失函数.与其他水下图像增强方法的对比实验结果表明,所提方法对于水下图像存在的色偏、模糊等问题均有着良好的增强效果,并对后续特征提取任务的完成有着较大的促进作用.
Multi-layer Cascaded Fusion Enhancement Network for Underwater Image Enhancement
In order to improve the accuracy of decision-making of UUVs,a multi-layer cascaded fusion enhancement network for enhancing underwater images is constructed.An attention-guided color enhancement module is designed and it is combined with multi-layer cascaded enhancement architecture to enhance feature reuse while extracting multi-scale features from images.Secondly,a global adjustment module is designed to combine the Swin Transformer unit with the expansion convolution to improve the overall enhancement effect of the network on degraded images.Finally,the feature information extracted from each module is fused and enhanced by the triple feature aggregation module to obtain the enhanced underwater image.In order to train the model better,the joint loss function is constructed.Comparison experiment results with other underwater image enhancement methods show that the proposed method has good enhancement effect for the problems of color deviation and blurring that exist in underwater images,and is a great promotion of subsequent feature extraction tasks.

unmanned underwater vehicleunderwater image enhancementmulti-layer cascaded enhancement architectureglobal adjustmenttriple feature aggregation

王炫钧、邵菲、马彦卿

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西安建筑科技大学理学院,西安 710000

水下无人潜航器 水下图像增强 多层级联增强架构 全局调整 三重特征聚合

2025

电光与控制
中国航空工业洛阳电光设备研究所

电光与控制

北大核心
影响因子:0.424
ISSN:1671-637X
年,卷(期):2025.32(1)