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Low-Light Image Enhancement (LLIE) task tends to restore the details and visual information from corrupted low-light images. Most existing methods learn the mapping function between low/normal-light images by Deep Neural Networks (DNNs) on…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Qingsen Yan , Yixu Feng , Cheng Zhang , Pei Wang , Peng Wu , Wei Dong , Jinqiu Sun , Yanning Zhang

As the quality of optical sensors improves, there is a need for processing large-scale images. In particular, the ability of devices to capture ultra-high definition (UHD) images and video places new demands on the image processing…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Tao Wang , Kaihao Zhang , Tianrun Shen , Wenhan Luo , Bjorn Stenger , Tong Lu

Real-time low-light image enhancement on mobile and embedded devices requires models that balance visual quality and computational efficiency. Existing deep learning methods often rely on large networks and labeled datasets, limiting their…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Guangrui Bai , Hailong Yan , Wenhai Liu , Yahui Deng , Erbao Dong

Low-light image enhancement (LLIE) aims to improve the visibility of images captured in poorly lit environments. Prevalent event-based solutions primarily utilize events triggered by motion, i.e., ''motion events'' to strengthen only the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Lei Sun , Yuhan Bao , Jiajun Zhai , Jingyun Liang , Yulun Zhang , Kaiwei Wang , Danda Pani Paudel , Luc Van Gool

Image enhancement is a common technique used to mitigate issues such as severe noise, low brightness, low contrast, and color deviation in low-light images. However, providing an optimal high-light image as a reference for low-light image…

Computer Vision and Pattern Recognition · Computer Science 2023-08-07 Yu Zhang , Xiaoguang Di , Junde Wu , Rao Fu , Yong Li , Yue Wang , Yanwu Xu , Guohui Yang , Chunhui Wang

Human vision relies heavily on available ambient light to perceive objects. Low-light scenes pose two distinct challenges: information loss due to insufficient illumination and undesirable brightness shifts. Low-light image enhancement…

Image and Video Processing · Electrical Eng. & Systems 2025-12-09 Shyang-En Weng , Shaou-Gang Miaou , Ricky Christanto

We present a lightweight two-stage framework for low-light image enhancement (LLIE) that achieves competitive perceptual quality with significantly fewer parameters than existing methods. Our approach combines frozen algorithm-based…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Shimon Murai , Teppei Kurita , Ryuta Satoh , Yusuke Moriuchi

Low-light image enhancement (LLIE) aims to restore natural visibility, color fidelity, and structural detail under severe illumination degradation. State-of-the-art (SOTA) LLIE techniques often rely on large models and multi-stage training,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Alexandru Brateanu , Tingting Mu , Codruta Ancuti , Cosmin Ancuti

Low-light image enhancement (LLIE) is an ill-posed inverse problem due to the lack of knowledge of the desired image which is obtained under ideal illumination conditions. Low-light conditions give rise to two main issues: a suppressed…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Mustafa Ozcan , Hamza Ergezer , Mustafa Ayazaoglu

In recent years, learned image compression (LIC) methods have achieved significant performance improvements. However, obtaining a more compact latent representation and reducing the impact of quantization errors remain key challenges in the…

Image and Video Processing · Electrical Eng. & Systems 2025-02-24 Shiqi Jiang , Hui Yuan , Shuai Li , Raouf Hamzaoui , Xu Wang , Junyan Huo

Current deep learning methods for low-light image enhancement (LLIE) typically rely on pixel-wise mapping learned from paired data. However, these methods often overlook the importance of considering degradation representations, which can…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Tao Wang , Kaihao Zhang , Ziqian Shao , Wenhan Luo , Bjorn Stenger , Tae-Kyun Kim , Wei Liu , Hongdong Li

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 image enhancement (LLIE) is a fundamental yet challenging task due to the presence of noise, loss of detail, and poor contrast in images captured under insufficient lighting conditions. Recent methods often rely solely on…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Alexandru Brateanu , Raul Balmez , Ciprian Orhei , Codruta Ancuti , Cosmin Ancuti

Low-light image enhancement is challenging in that it needs to consider not only brightness recovery but also complex issues like color distortion and noise, which usually hide in the dark. Simply adjusting the brightness of a low-light…

Image and Video Processing · Electrical Eng. & Systems 2020-03-17 Feifan Lv , Yu Li , Feng Lu

Self-supervised low-light image enhancement (LLIE) is highly appealing as it eliminates the reliance on external paired data. However, the lack of external references causes networks to struggle with decoupling entangled illumination,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Peiyuan He , Hainuo Wang , Hengxing Liu , Mingjia Li , Xiaojie Guo

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…

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

Images captured under real-world low-light conditions face significant challenges due to uneven ambient lighting, making it difficult for existing end-to-end methods to enhance images with a large dynamic range to normal exposure levels. To…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Haodian Wang , Yaqi Song

We introduce LTCF-Net, a novel network architecture designed for enhancing low-light images. Unlike Retinex-based methods, our approach utilizes two color spaces - LAB and YUV - to efficiently separate and process color information, by…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Gaojing Zhang , Jinglun Feng

Large-scale pre-trained Vision-Language Models (VLMs) have gained prominence in various visual and multimodal tasks, yet the deployment of VLMs on downstream application platforms remains challenging due to their prohibitive requirements of…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Huixin Sun , Runqi Wang , Yanjing Li , Xianbin Cao , Xiaolong Jiang , Yao Hu , Baochang Zhang

Imaging under photon-scarce situations introduces challenges to many applications as the captured images are with low signal-to-noise ratio and poor luminance. In this paper, we investigate the raw image restoration under low-photon-count…

Image and Video Processing · Electrical Eng. & Systems 2021-11-03 Shansi Zhang , Edmund Y. Lam