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相关论文: NLHD: A Pixel-Level Non-Local Retinex Model for Lo…

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Images obtained in real-world low-light conditions are not only low in brightness, but they also suffer from many other types of degradation, such as color distortion, unknown noise, detail loss and halo artifacts. In this paper, we propose…

图像与视频处理 · 电气工程与系统科学 2021-10-06 Xinxu Wei , Xianshi Zhang , Shisen Wang , Cheng Cheng , Yanlin Huang , Kaifu Yang , Yongjie Li

Low-light images often suffer from noise and color distortion. Object detection, semantic segmentation, instance segmentation, and other tasks are challenging when working with low-light images because of image noise and chromatic…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Xiaochun Lei , Weiliang Mai , Junlin Xie , He Liu , Zetao Jiang , Zhaoting Gong , Chang Lu , Linjun Lu

This paper introduces a novel lightweight computational framework for enhancing images under low-light conditions, utilizing advanced machine learning and convolutional neural networks (CNNs). Traditional enhancement techniques often fail…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Zhuoheng Li , Yuheng Pan , Houcheng Yu , Zhiheng Zhang

Images captured under low-light scenarios often suffer from low quality. Previous CNN-based deep learning methods often involve using Retinex theory. Nevertheless, most of them cannot perform well in more complicated datasets like LOL-v2…

计算机视觉与模式识别 · 计算机科学 2025-04-25 Jingcheng Li , Ye Qiao , Haocheng Xu , Sitao Huang

In low-light image enhancement, Retinex-based deep learning methods have garnered significant attention due to their exceptional interpretability. These methods decompose images into mutually independent illumination and reflectance…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Luyang Cao , Han Xu , Jian Zhang , Lei Qi , Jiayi Ma , Yinghuan Shi , Yang Gao

In this paper, a novel image enhancement network is proposed, where HDR images are used for generating training data for our network. Most of conventional image enhancement methods, including Retinex based methods, do not take into account…

计算机视觉与模式识别 · 计算机科学 2019-01-28 Yuma Kinoshita , Hitoshi Kiya

Motivated by their recent advances, deep learning techniques have been widely applied to low-light image enhancement (LIE) problem. Among which, Retinex theory based ones, mostly following a decomposition-adjustment pipeline, have taken an…

计算机视觉与模式识别 · 计算机科学 2022-02-16 Xinyi Liu , Qi Xie , Qian Zhao , Hong Wang , Deyu Meng

We present a novel dehazing and low-light enhancement method based on an illumination map that is accurately estimated by a convolutional neural network (CNN). In this paper, the illumination map is used as a component for three different…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Guisik Kim , Junseok Kwon

This paper proposes a self-supervised low light image enhancement method based on deep learning, which can improve the image contrast and reduce noise at the same time to avoid the blur caused by pre-/post-denoising. The method contains two…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Yu Zhang , Xiaoguang Di , Bin Zhang , Qingyan Li , Shiyu Yan , Chunhui Wang

Under challenging light conditions, captured images often suffer from various degradations, leading to a decline in the performance of vision-based applications. Although numerous methods have been proposed to enhance image quality, they…

计算机视觉与模式识别 · 计算机科学 2025-12-10 Jing Tao , You Li , Banglei Guan , Yang Shang , Qifeng Yu

Low-light image denoising and enhancement are challenging, especially when traditional noise assumptions, such as Gaussian noise, do not hold in majority. In many real-world scenarios, such as low-light imaging, noise is signal-dependent…

图像与视频处理 · 电气工程与系统科学 2025-11-03 Isha Rao , Ratul Chakraborty , Sanjay Ghosh

Images obtained in real-world low-light conditions are not only low in brightness, but they also suffer from many other types of degradation, such as color bias, unknown noise, detail loss and halo artifacts. In this paper, we propose a…

图像与视频处理 · 电气工程与系统科学 2021-07-01 Xinxu Wei , Xianshi Zhang , Shisen Wang , Cheng Cheng , Yanlin Huang , Kaifu Yang , Yongjie Li

Many existing methods for low-light image enhancement (LLIE) based on Retinex theory ignore important factors that affect the validity of this theory in digital imaging, such as noise, quantization error, non-linearity, and dynamic range…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Shangquan Sun , Wenqi Ren , Jingyang Peng , Fenglong Song , Xiaochun Cao

We present IllumFlow, a novel framework that synergizes conditional Rectified Flow (CRF) with Retinex theory for low-light image enhancement (LLIE). Our model addresses low-light enhancement through separate optimization of illumination and…

计算机视觉与模式识别 · 计算机科学 2025-11-05 Wenyang Wei , Yang yang , Xixi Jia , Xiangchu Feng , Weiwei Wang , Renzhen Wang

Images taken in low light often show color shift, low contrast, noise, and other artifacts that hurt computer-vision accuracy. Retinex theory addresses this by viewing an image S as the pixel-wise product of reflectance R and illumination…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Sos Agaian , Vladimir Frants

Noise, artifacts, and over-exposure are significant challenges in the field of low-light image enhancement. Existing methods often struggle to address these issues simultaneously. In this paper, we propose a novel Retinex-based method,…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Yu Wang , Yihong Wang , Tong Liu , Xiubao Sui , Qian Chen

As vision based perception methods are usually built on the normal light assumption, there will be a serious safety issue when deploying them into low light environments. Recently, deep learning based methods have been proposed to enhance…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Junjie Hu , Xiyue Guo , Junfeng Chen , Guanqi Liang , Fuqin Deng , Tin lun Lam

Maritime images captured under low-light imaging condition easily suffer from low visibility and unexpected noise, leading to negative effects on maritime traffic supervision and management. To promote imaging performance, it is necessary…

图像与视频处理 · 电气工程与系统科学 2020-08-11 Yu Guo , Yuxu Lu , Ryan Wen Liu , Meifang Yang , Kwok Tai Chui

Image dehazing deals with the removal of undesired loss of visibility in outdoor images due to the presence of fog. Retinex is a color vision model mimicking the ability of the Human Visual System to robustly discount varying illuminations…

计算机视觉与模式识别 · 计算机科学 2018-04-09 Adrian Galdran , Aitor Alvarez-Gila , Alessandro Bria , Javier Vazquez-Corral , Marcelo Bertalmio

This paper proposes a new light-weight convolutional neural network (5k parameters) for non-uniform illumination image enhancement to handle color, exposure, contrast, noise and artifacts, etc., simultaneously and effectively. More…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Feifan Lv , Bo Liu , Feng Lu