arXiv:2410.14285cs.CVcs.AI2024-10被引 6

融合深度学习与图像处理,提升水下图像清晰度与色彩。

Advanced Underwater Image Quality Enhancement via Hybrid Super-Resolution Convolutional Neural Networks and Multi-Scale Retinex-Based Defogging Techniques

  • 用多尺度Retinex去雾+超分辨卷积网络增强水下图像。
  • 在真实数据集上PSNR和SSIM显著优于传统方法。
  • 适合水下机器人、海洋探测等实时成像场景。

本文针对水下图像因光散射、吸收及雾状颗粒导致的分辨率低、能见度差问题,提出一种混合增强策略:结合多尺度Retinex(MSR)去雾方法与超分辨卷积神经网络(SRCNN),分别模拟人眼感知以消除光照不均和雾效,并提升空间分辨率。该方法有效改善了水下图像的清晰度、对比度与色彩还原性。在真实水下数据集上进行大量实验,基于结构相似性指数(SSIM)和峰值信噪比(PSNR)的定量评估显示,该方法在锐度、可见性和特征保留方面显著优于传统技术。对于海洋勘探、水下机器人及自主水下航行器等实时应用,该框架兼具计算效率与优异性能。

原文摘要 · Abstract (English)

The difficulties of underwater image degradation due to light scattering, absorption, and fog-like particles which lead to low resolution and poor visibility are discussed in this study report. We suggest a sophisticated hybrid strategy that combines Multi-Scale Retinex (MSR) defogging methods with Super-Resolution Convolutional Neural Networks (SRCNN) to address these problems. The Retinex algorithm mimics human visual perception to reduce uneven lighting and fogging, while the SRCNN component improves the spatial resolution of underwater photos.Through the combination of these methods, we are able to enhance the clarity, contrast, and colour restoration of underwater images, offering a reliable way to improve image quality in difficult underwater conditions. The research conducts extensive experiments on real-world underwater datasets to further illustrate the efficacy of the suggested approach. In terms of sharpness, visibility, and feature retention, quantitative evaluation which use metrics like the Structural Similarity Index Measure (SSIM) and Peak Signal-to-Noise Ratio (PSNR) demonstrates notable advances over conventional techniques.In real-time underwater applications like marine exploration, underwater robotics, and autonomous underwater vehicles, where clear and high-resolution imaging is crucial for operational success, the combination of deep learning and conventional image processing techniques offers a computationally efficient framework with superior results.

水下图像图像增强深度学习Retinex

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