1. 上海海洋大学信息学院
2. 上海大学工程训练国家级实验教学示范中心
纸质出版:2024
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宋巍, 陈桥, 刘亚玲, 等. 基于色彩校正与亮度估计的水下低照度图像增强[J]. 传感器与微系统, 2024,(8):30-34.
宋巍, 陈桥, 刘亚玲, 等. 基于色彩校正与亮度估计的水下低照度图像增强[J]. 传感器与微系统, 2024,(8):30-34. DOI: 10.13873/J.1000-9787(2024)08-0030-05.
针对水下低照度环境下光线衰减导致的色彩失真和人工光源导致的光照不均2个退化问题,本文提出一种基于色彩校正和亮度估计的水下低照度图像增强网络,称为LUcobe。LUcobe由色彩校正和亮度估计2个子网络组成。色彩校正子网络通过双色彩空间并结合注意力机制,提取最具辨别力的色彩特征,自适应地集成和突出显示。亮度估计子网络利用编解码器结构结合空洞卷积对图像亮度进行全局估计。最后,将亮度估计和色彩校正子网络的输出在通道选择模块进行结合,实现图像增强。实验结果表明:LUcobe能够有效改善水下低照度图像的不均匀光照和色彩偏差问题,与多种水下图像增强方法相比,在视觉效果和客观评价指标(PSNR
SSIM
MS-SSIM
MSE)上均取得更好的效果。
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