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Related papers: LEUGAN:Low-Light Image Enhancement by Unsupervised…

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Deep neural networks provide state-of-the-art performance for image denoising, where the goal is to recover a near noise-free image from a noisy observation. The underlying principle is that neural networks trained on large datasets have…

Information Theory · Computer Science 2019-04-09 Reinhard Heckel , Wen Huang , Paul Hand , Vladislav Voroninski

This paper proposes a non-data-driven deep neural network for spectral image recovery problems such as denoising, single hyperspectral image super-resolution, and compressive spectral imaging reconstruction. Unlike previous methods, the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Tatiana Gelvez-Barrera , Jorge Bacca , Henry Arguello

Deep neural networks (DNN) have achieved great success in image restoration. However, most DNN methods are designed as a black box, lacking transparency and interpretability. Although some methods are proposed to combine traditional…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Chong Mou , Qian Wang , Jian Zhang

Deep learning techniques have revolutionized the fields of image restoration and image quality assessment in recent years. While image restoration methods typically utilize synthetically distorted training data for training, deep quality…

Image and Video Processing · Electrical Eng. & Systems 2023-11-29 Hakan Emre Gedik , Abhinau K. Venkataramanan , Alan C. Bovik

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…

Image and Video Processing · Electrical Eng. & Systems 2021-07-01 Xinxu Wei , Xianshi Zhang , Shisen Wang , Cheng Cheng , Yanlin Huang , Kaifu Yang , Yongjie Li

In low-light environments, the performance of computer vision algorithms often deteriorates significantly, adversely affecting key vision tasks such as segmentation, detection, and classification. With the rapid advancement of deep…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Fangxue Liu , Lei Fan

A novel color image enhancement method is proposed based on Retinex to enhance color images under non-uniform illumination or poor visibility conditions. Different from the conventional Retinex algorithms, the Weighted Guided Image Filter…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Qi Mu , Yanyan Wei , Zhanli Li

Nighttime photography encounters escalating challenges in extremely low-light conditions, primarily attributable to the ultra-low signal-to-noise ratio. For real-world deployment, a practical solution must not only produce visually…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Jiazhang Zheng , Lei Li , Qiuping Liao , Cheng Li , Li Li , Yangxing Liu

In real-life applications, certain images utilized are corrupted in which the image pixels are damaged or missing, which increases the complexity of computer vision tasks. In this paper, a deep learning architecture is proposed to deal with…

Image and Video Processing · Electrical Eng. & Systems 2020-01-07 Vaishnav Chandak , Priyansh Saxena , Manisha Pattanaik , Gaurav Kaushal

In recent years, significant progress has been made in image recognition technology based on deep neural networks. However, improving recognition performance under low-light conditions remains a significant challenge. This study addresses…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Seitaro Ono , Yuka Ogino , Takahiro Toizumi , Atsushi Ito , Masato Tsukada

Existing approaches for restoring weather-degraded images follow a fully-supervised paradigm and they require paired data for training. However, collecting paired data for weather degradations is extremely challenging, and existing methods…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Rajeev Yasarla , Vishwanath A. Sindagi , Vishal M. Patel

Solving inverse problems continues to be a challenge in a wide array of applications ranging from deblurring, image inpainting, source separation etc. Most existing techniques solve such inverse problems by either explicitly or implicitly…

Computer Vision and Pattern Recognition · Computer Science 2018-06-05 Rushil Anirudh , Jayaraman J. Thiagarajan , Bhavya Kailkhura , Timo Bremer

Low-light image enhancement remains a challenging problem due to severe noise, color distortion, contrast degradation, and loss of structural details under insufficient illumination. Existing methods typically apply uniform enhancement…

Image and Video Processing · Electrical Eng. & Systems 2026-05-19 Bibhabasu Debnath , Sahana Ray , Sanjay Ghosh

Supervised networks address the task of low-light enhancement using paired images. However, collecting a wide variety of low-light/clean paired images is tedious as the scene needs to remain static during imaging. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Praveen Kandula , Maitreya Suin , A. N. Rajagopalan

Low light very likely leads to the degradation of an image's quality and even causes visual task failures. Existing image enhancement technologies are prone to overenhancement, color distortion or time consumption, and their adaptability is…

Image and Video Processing · Electrical Eng. & Systems 2022-05-17 Xiaozhou Lei , Zixiang Fei , Wenju Zhou , Huiyu Zhou , Minrui Fei

We propose a novel method, StyLitGAN, for relighting and resurfacing generated images in the absence of labeled data. Our approach generates images with realistic lighting effects, including cast shadows, soft shadows, inter-reflections,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Anand Bhattad , D. A. Forsyth

Since convolutional neural networks perform well in learning generalizable image priors from large-scale data, these models have been widely used in image denoising tasks. However, the computational complexity increases dramatically as well…

Image and Video Processing · Electrical Eng. & Systems 2022-07-29 Yuanfan Zhang , Gen Li , Lei Sun

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…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 Xinyi Bai , Steffi Agino Priyanka , Hsiao-Jung Tung , Yuankai Wang

In remote sensing images, the existence of the thin cloud is an inevitable and ubiquitous phenomenon that crucially reduces the quality of imageries and limits the scenarios of application. Therefore, thin cloud removal is an indispensable…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Chenxi Duan , Rui Li

Photography during night or in dark conditions typically suffers from noise, low light and blurring issues due to the dim environment and the common use of long exposure. Although Deblurring and Low-light Image Enhancement (LLIE) are…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Daniel Feijoo , Juan C. Benito , Alvaro Garcia , Marcos V. Conde