水下大图像增强基于CNN-变压器融合技术
Zhenggang Yang1, Chongxin Yuan2, Luyao Li1
1POWERCHINA GuiYang Engineering Corporation Limited, Guiyang, 550081, China.
Scientific reports
|November 12, 2025
概括
这项研究引入了增强超分辨率变压器GAN (ESRTGAN) 来改善水下大图像. 这种新型网络提高了图像质量,以准确进行安全评估.
科学领域:
- 水力发电工程 水力发电工程
- 计算机视觉 计算机视觉
- 图像处理 图像处理
背景情况:
- 水下大安全检查需要高精度的图像分析.
- 水下图像遭受光学降解 (噪音,颜色变化,模糊),阻碍了缺陷检测.
- 现有的方法无法完全解决水下光学特征和深度学习的局限性.
研究的目的:
- 为水下大图像提出一个创新的图像消除和超分辨率网络.
- 解决传统和深度学习方法在恢复退化的水下结构图像方面的局限性.
- 提高大缺陷检测和安全评估的准确性.
主要方法:
- 开发了一个增强的超分辨率变压器GAN (ESRTGAN) 集成CNN和视觉变压器.
- 雇佣了多级特征融合,适应性道注意力和渐进式培训.
- 专注于将本地特征提取 (CNN) 与全球上下文建模 (变压器) 融合在一起.
主要成果:
- 通过PSNR,SSIM和LPIPS测量,ESRTGAN在真实大水下图像数据集上表现出色.
- 网络有效地恢复了图像质量,保留了关键的结构细节和颜色.
- 在满足手动解释标准的同时,实现了高计算效率.
结论:
- ESRTGAN提供了一个强大的解决方案,用于增强退化的水下大图像.
- 该方法为长期水健康监测中的自动化分析提供了可靠的技术支持.
- 提高图像质量导致更准确的安全评估和缺陷检测.
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