中文
相关论文

相关论文: Joint Enhancement and Denoising Method via Sequent…

200 篇论文

Real-world low-light images often suffer from complex degradations such as local overexposure, low brightness, noise, and uneven illumination. Supervised methods tend to overfit to specific scenarios, while unsupervised methods, though…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Huaqiu Li , Xiaowan Hu , Haoqian Wang

Retinex model has been applied to low-light image enhancement in many existing methods. More appropriate decomposition of a low-light image can help achieve better image enhancement. In this paper, we propose a new pixel-level non-local…

图像与视频处理 · 电气工程与系统科学 2021-06-16 Hao Hou , Yingkun Hou , Yuxuan Shi , Benzheng Wei , Jun Xu

In this paper, we propose a diffusion-based unsupervised framework that incorporates physically explainable Retinex theory with diffusion models for low-light image enhancement, named LightenDiffusion. Specifically, we present a…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Hai Jiang , Ao Luo , Xiaohong Liu , Songchen Han , Shuaicheng Liu

Images captured in poorly lit conditions are often corrupted by acquisition noise. Leveraging recent advances in graph-based regularization, we propose a fast Retinex-based restoration scheme that denoises and contrast-enhances an image.…

图像与视频处理 · 电气工程与系统科学 2023-07-26 Yeganeh Gharedaghi , Gene Cheung , Xianming Liu

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

Low-light image enhancement is generally regarded as a challenging task in image processing, especially for the complex visual tasks at night or weakly illuminated. In order to reduce the blurs or noises on the low-light images, a large…

计算机视觉与模式识别 · 计算机科学 2019-06-17 Yangming Shi , Xiaopo Wu , Ming Zhu

Noisy images are a challenge to image compression algorithms due to the inherent difficulty of compressing noise. As noise cannot easily be discerned from image details, such as high-frequency signals, its presence leads to extra bits…

图像与视频处理 · 电气工程与系统科学 2024-02-09 Yuxin Xie , Li Yu , Farhad Pakdaman , Moncef Gabbouj

Deep learning-based methods for low-light image enhancement typically require enormous paired training data, which are impractical to capture in real-world scenarios. Recently, unsupervised approaches have been explored to eliminate the…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Feng Zhang , Yuanjie Shao , Yishi Sun , Kai Zhu , Changxin Gao , Nong Sang

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

Due to the low accuracy of object detection and recognition in many intelligent surveillance systems at nighttime, the quality of night images is crucial. Compared with the corresponding daytime image, nighttime image is characterized as…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Xinyi Bai , Steffi Agino Priyanka , Hsiao-Jung Tung , Yuankai Wang

A novel method of contrast enhancement is proposed for underexposed images, in which heavy noise is hidden. Under low light conditions, images taken by digital cameras have low contrast in dark or bright regions. This is due to a limited…

多媒体 · 计算机科学 2019-04-26 Chien-Cheng Chien , Yuma Kinoshita , Hitoshi Kiya

For the task of low-light image enhancement, deep learning-based algorithms have demonstrated superiority and effectiveness compared to traditional methods. However, these methods, primarily based on Retinex theory, tend to overlook the…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Shuang Wang , Qianwen Lu , Boxing Peng , Yihe Nie , Qingchuan Tao

The visual quality of photographs taken under imperfect lightness conditions can be degenerated by multiple factors, e.g., low lightness, imaging noise, color distortion and so on. Current low-light image enhancement models focus on the…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Shijie Hao , Xu Han , Yanrong Guo , Meng Wang

This paper proposes a self-supervised low light image enhancement method based on deep learning. Inspired by information entropy theory and Retinex model, we proposed a maximum entropy based Retinex model. With this model, a very simple…

计算机视觉与模式识别 · 计算机科学 2020-02-27 Yu Zhang , Xiaoguang Di , Bin Zhang , Chunhui Wang

Low-light image enhancement (LLIE) is a crucial task in computer vision aimed at enhancing the visual fidelity of images captured under low-illumination conditions. Conventional methods frequently struggle with noise, overexposure, and…

图像与视频处理 · 电气工程与系统科学 2025-07-17 Namrah Siddiqua , Kim Suneung , Seong-Whan Lee

Retinex-based low-light image enhancement benefits from separating reflectance and illumination, yet recent generative approaches often rely on iterative sampling and are difficult to deploy under strict latency budgets. Consistency models…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Jian Xu , Wei Chen , Shigui Li , Delu Zeng , John Paisley , Qibin Zhao

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

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

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