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相关论文: A Retinex-based Image Enhancement Scheme with Nois…

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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

Neural Radiance Field (NeRF) is a promising approach for synthesizing novel views, given a set of images and the corresponding camera poses of a scene. However, images photographed from a low-light scene can hardly be used to train a NeRF…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Haoyuan Wang , Xiaogang Xu , Ke Xu , Rynson WH. Lau

Multi-exposure image fusion (MEF) synthesizes multiple, differently exposed images of the same scene into a single, well-exposed composite. Retinex theory, which separates image illumination from scene reflectance, provides a natural…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Haowen Bai , Jiangshe Zhang , Zixiang Zhao , Lilun Deng , Yukun Cui , Shuang Xu

Due to the wide dynamic range in real low-light scenes, there will be large differences in the degree of contrast degradation and detail blurring of captured images, making it difficult for existing end-to-end methods to enhance low-light…

计算机视觉与模式识别 · 计算机科学 2025-04-04 Haodian Wang , Long Peng , Yuejin Sun , Zengyu Wan , Yang Wang , Yang Cao

In this paper, we propose a novel low-light image enhancement method aimed at improving the performance of recognition models. Despite recent advances in deep learning, the recognition of images under low-light conditions remains a…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Seitaro Ono , Yuka Ogino , Takahiro Toizumi , Atsushi Ito , Masato Tsukada

Unlike single image task, stereo image enhancement can use another view information, and its key stage is how to perform cross-view feature interaction to extract useful information from another view. However, complex noise in low-light…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Minghua Zhao , Xiangdong Qin , Shuangli Du , Xuefei Bai , Jiahao Lyu , Yiguang Liu

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

Underwater optical imaging is severely degraded by light absorption, scattering, and color distortion, hindering visibility and accurate image analysis. This paper presents an adaptive enhancement framework integrating illumination…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Yuezhe Tian , Kangchen Yao , Xiaoyang Yu

The task of extracting intrinsic components, such as reflectance and shading, from neural radiance fields is of growing interest. However, current methods largely focus on synthetic scenes and isolated objects, overlooking the complexities…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Yixiong Yang , Shilin Hu , Haoyu Wu , Ramon Baldrich , Dimitris Samaras , Maria Vanrell

Image captured under low-light conditions presents unpleasing artifacts, which debilitate the performance of feature extraction for many upstream visual tasks. Low-light image enhancement aims at improving brightness and contrast, and…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Zhijian Luo , Jiahui Tang , Yueen Hou , Zihan Huang , Yanzeng Gao

In this paper, we tackle the problem of enhancing real-world low-light images with significant noise in an unsupervised fashion. Conventional unsupervised learning-based approaches usually tackle the low-light image enhancement problem…

图像与视频处理 · 电气工程与系统科学 2022-03-29 Wei Xiong , Ding Liu , Xiaohui Shen , Chen Fang , Jiebo Luo

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

It is suggested that low-light image enhancement realizes one-to-many mapping since we have different definitions of NORMAL-light given application scenarios or users' aesthetic. However, most existing methods ignore subjectivity of the…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Ya'nan Wang , Zhuqing Jiang , Chang Liu , Kai Li , Aidong Men , Haiying Wang

When capturing images in low-light conditions, the images often suffer from low visibility, which not only degrades the visual aesthetics of images, but also significantly degenerates the performance of many computer vision algorithms. In…

计算机视觉与模式识别 · 计算机科学 2020-12-17 Lijun Zhang , Xiao Liu , Erik Learned-Miller , Hui Guan

Noise is an important factor which when get added to an image reduces its quality and appearance. So in order to enhance the image qualities, it has to be removed with preserving the textural information and structural features of image.…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Vivek Kumar , Atul Samadhiya

Deep learning-based methods have made impressive progress in enhancing extremely low-light images - the image quality of the reconstructed images has generally improved. However, we found out that most of these methods could not…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Pohao Hsu , Che-Tsung Lin , Chun Chet Ng , Jie-Long Kew , Mei Yih Tan , Shang-Hong Lai , Chee Seng Chan , Christopher Zach

The reconstructed images from the Synthetic Aperture Radar (SAR) data suffer from multiplicative noise as well as low contrast level. These two factors impact the quality of the SAR images significantly and prevent any attempt to extract…

图像与视频处理 · 电气工程与系统科学 2024-12-05 Shahrokh Hamidi

In recent years, there has been a growing interest in low-light image enhancement (LLIE) due to its importance for critical downstream tasks. Current Retinex-based methods and learning-based approaches have shown significant LLIE…

图像与视频处理 · 电气工程与系统科学 2026-01-21 Yasin Demir , Nur Hüseyin Kaplan , Sefa Kucuk , Nagihan Severoglu

Retinex theory is developed mainly to decompose an image into the illumination and reflectance components by analyzing local image derivatives. In this theory, larger derivatives are attributed to the changes in reflectance, while smaller…

计算机视觉与模式识别 · 计算机科学 2020-04-22 Jun Xu , Yingkun Hou , Dongwei Ren , Li Liu , Fan Zhu , Mengyang Yu , Haoqian Wang , Ling Shao

During the acquisition of an image from its source, noise always becomes an integral part of it. Various algorithms have been used in past to denoise the images. Image denoising still has scope for improvement. Visual information…

图像与视频处理 · 电气工程与系统科学 2019-09-17 Santosh Paudel , Ajay Kumar Shrestha , Pradip Singh Maharjan , Rameshwar Rijal