基于物理模型联合解模糊与低光增强,提升夜景图像质量。
Deep Joint Unrolling for Deblurring and Low-Light Image Enhancement (JUDE)
- 通过物理模型迭代分解,联合优化模糊与低光问题。
- 在LOL-Blur和Real-LOL-Blur数据集上超越现有方法。
- 适合夜景图像修复、智能相机算法研发者使用。
夜间拍摄常因长曝光导致图像模糊与亮度不足。本文提出JUDE,一种基于Retinex理论与模糊模型的深度联合展开方法。该方法对低光模糊输入进行迭代去模糊与分解,生成清晰的低光反射率与照度图。同时引入模块估计初始模糊核、增强亮度并去除噪声。在LOL-Blur与Real-LOL-Blur数据集上的实验表明,该方法在定量与定性指标上均优于现有技术。
原文摘要 · Abstract (English)
Low-light and blurring issues are prevalent when capturing photos at night, often due to the use of long exposure to address dim environments. Addressing these joint problems can be challenging and error-prone if an end-to-end model is trained without incorporating an appropriate physical model. In this paper, we introduce JUDE, a Deep Joint Unrolling for Deblurring and Low-Light Image Enhancement, inspired by the image physical model. Based on Retinex theory and the blurring model, the low-light blurry input is iteratively deblurred and decomposed, producing sharp low-light reflectance and illuminance through an unrolling mechanism. Additionally, we incorporate various modules to estimate the initial blur kernel, enhance brightness, and eliminate noise in the final image. Comprehensive experiments on LOL-Blur and Real-LOL-Blur demonstrate that our method outperforms existing techniques both quantitatively and qualitatively.
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