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

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In this paper, we present a novel low-light image enhancement method called dark region-aware low-light image enhancement (DALE), where dark regions are accurately recognized by the proposed visual attention module and their brightness are…

Image and Video Processing · Electrical Eng. & Systems 2020-08-31 Dokyeong Kwon , Guisik Kim , Junseok Kwon

In surveillance, monitoring and tactical reconnaissance, gathering the right visual information from a dynamic environment and accurately processing such data are essential ingredients to making informed decisions which determines the…

Computer Vision and Pattern Recognition · Computer Science 2016-04-18 Kin Gwn Lore , Adedotun Akintayo , Soumik Sarkar

Low-light imaging on mobile devices is typically challenging due to insufficient incident light coming through the relatively small aperture, resulting in a low signal-to-noise ratio. Most of the previous works on low-light image processing…

Image and Video Processing · Electrical Eng. & Systems 2022-09-05 Yucheng Lu , Seung-Won Jung

Residual images and illumination estimation have been proved very helpful in image enhancement. In this paper, we propose a general and novel framework RIS-GAN which explores residual and illumination with Generative Adversarial Networks…

Image and Video Processing · Electrical Eng. & Systems 2019-12-30 Ling Zhang , Chengjiang Long , Xiaolong Zhang , Chunxia Xiao

Low-light image enhancement aims to restore the visibility of images captured by visual sensors in dim environments by addressing their inherent signal degradations, such as luminance attenuation and structural corruption. Although numerous…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Yicui Shi , Yuhan Chen , Xiangfei Huang , Zhenguo Wang , Wenxuan Yu , Ying Fang

All existing image enhancement methods, such as HDR tone mapping, cannot recover A/D quantization losses due to insufficient or excessive lighting, (underflow and overflow problems). The loss of image details due to A/D quantization is…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Chang Liu , Xiaolin Wu , Xiao Shu

Enhancing low-light images while maintaining natural colors is a challenging problem due to camera processing variations and limited access to photos with ground-truth lighting conditions. The latter is a crucial factor for supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Wojciech Kozłowski , Michał Szachniewicz , Michał Stypułkowski , Maciej Zięba

Images captured under low-light conditions present significant limitations in many applications, as poor lighting can obscure details, reduce contrast, and hide noise. Removing the illumination effects and enhancing the quality of such…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Daniel Torres , Joan Duran , Julia Navarro , Catalina Sbert

Capturing images under extremely low-light conditions poses significant challenges for the standard camera pipeline. Images become too dark and too noisy, which makes traditional image enhancement techniques almost impossible to apply. Very…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Ahmet Serdar Karadeniz , Erkut Erdem , Aykut Erdem

Low-light image enhancement remains an open problem, and the new wave of artificial intelligence is at the center of this problem. This work describes the use of genetic algorithms for optimizing analytical models that can improve the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Axel Martinez , Emilio Hernandez , Matthieu Olague , Gustavo Olague

Generative Adversarial Networks (GANs) coupled with self-supervised tasks have shown promising results in unconditional and semi-supervised image generation. We propose a self-supervised approach (LT-GAN) to improve the generation quality…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Parth Patel , Nupur Kumari , Mayank Singh , Balaji Krishnamurthy

Contrast enhancement and noise removal are coupled problems for low-light image enhancement. The existing Retinex based methods do not take the coupling relation into consideration, resulting in under or over-smoothing of the enhanced…

Image and Video Processing · Electrical Eng. & Systems 2019-11-27 Yang Wang , Yang Cao , Zheng-Jun Zha , Jing Zhang , Zhiwei Xiong , Wei Zhang , Feng Wu

Current methods for restoring underexposed images typically rely on supervised learning with paired underexposed and well-illuminated images. However, collecting such datasets is often impractical in real-world scenarios. Moreover, these…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Hailong Yan , Junjian Huang , Tingwen Huang

In the past few decades, to reduce the risk of X-ray in computed tomography (CT), low-dose CT image denoising has attracted extensive attention from researchers, which has become an important research issue in the field of medical images.…

Image and Video Processing · Electrical Eng. & Systems 2021-03-09 Tengfei Liang , Yi Jin , Yidong Li , Tao Wang , Songhe Feng , Congyan Lang

The ability to capture good quality images in the dark and near-zero lux conditions has been a long-standing pursuit of the computer vision community. The seminal work by Chen et al. [5] has especially caused renewed interest in this area,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Mohit Lamba , Atul Balaji , Kaushik Mitra

Currently, most deep learning methods cannot solve the problem of scarcity of industrial product defect samples and significant differences in characteristics. This paper proposes an unsupervised defect detection algorithm based on a…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Chao Hu , Jian Yao , Weijie Wu , Weibin Qiu , Liqiang Zhu

Low-light image enhancement (LLE) aims to improve the visual quality of images captured in poorly lit conditions, which often suffer from low brightness, low contrast, noise, and color distortions. These issues hinder the performance of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Junyu Xia , Jiesong Bai , Yihang Dong

This paper presents an algorithm that enhances undesirably illuminated images by generating and fusing multi-level illuminations from a single image.The input image is first decomposed into illumination and reflectance components by using…

Computer Vision and Pattern Recognition · Computer Science 2017-08-03 Jae Sung Park , Nam Ik Cho

The performance of facial super-resolution methods relies on their ability to recover facial structures and salient features effectively. Even though the convolutional neural network and generative adversarial network-based methods deliver…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Abhishek Srivastava , Sukalpa Chanda , Umapada Pal

Images captured in low-light environment often suffer from complex degradation. Simply adjusting light would inevitably result in burst of hidden noise and color distortion. To seek results with satisfied lighting, cleanliness, and realism…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Qiming Hu , Xiaojie Guo
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