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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…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Haodian Wang , Yaqi Song

Single-shot low-light image enhancement (SLLIE) remains challenging due to the limited availability of diverse, real-world paired datasets. To bridge this gap, we introduce the Low-Light Smartphone Dataset (LSD), a large-scale,…

计算机视觉与模式识别 · 计算机科学 2026-01-01 S M A Sharif , Abdur Rehman , Zain Ul Abidin , Fayaz Ali Dharejo , Radu Timofte , Rizwan Ali Naqvi

Low-light image enhancement aims to improve an image's visibility while keeping its visual naturalness. Different from existing methods tending to accomplish the relighting task directly by ignoring the fidelity and naturalness recovery, we…

计算机视觉与模式识别 · 计算机科学 2021-12-15 Kui Jiang , Zhongyuan Wang , Zheng Wang , Chen Chen , Peng Yi , Tao Lu , Chia-Wen Lin

The captured images under low light conditions often suffer insufficient brightness and notorious noise. Hence, low-light image enhancement is a key challenging task in computer vision. A variety of methods have been proposed for this task,…

图像与视频处理 · 电气工程与系统科学 2020-05-22 Cheng Zhang , Qingsen Yan , Yu zhu , Xianjun Li , Jinqiu Sun , Yanning Zhang

Low-light image enhancement (LLIE) is essential for numerous computer vision tasks, including object detection, tracking, segmentation, and scene understanding. Despite substantial research on improving low-quality images captured in…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Md Tanvir Islam , Inzamamul Alam , Simon S. Woo , Saeed Anwar , IK Hyun Lee , Khan Muhammad

Due to the nature of enhancement--the absence of paired ground-truth information, high-level vision tasks have been recently employed to evaluate the performance of low-light image enhancement. A widely-used manner is to see how accurately…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Mingjia Li , Hao Zhao , Xiaojie Guo

Low-light image enhancement (LLIE) aims at improving the perception or interpretability of an image captured in an environment with poor illumination. With the advent of deep learning, the LLIE technique has achieved significant…

图像与视频处理 · 电气工程与系统科学 2025-10-28 Yunhong Tao , Wenbing Tao , Xiang Xiang

For visual object recognition tasks, the illumination variations can cause distinct changes in object appearance and thus confuse the deep neural network based recognition models. Especially for some rare illumination conditions, collecting…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Haipeng Zhang , Zhong Cao , Ziang Yan , Changshui Zhang

We present a novel dehazing and low-light enhancement method based on an illumination map that is accurately estimated by a convolutional neural network (CNN). In this paper, the illumination map is used as a component for three different…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Guisik Kim , Junseok Kwon

In recent years, Convolutional Neural Networks (CNNs), MLP-mixers, and Vision Transformers have risen to prominence as leading neural architectures in image classification. Prior research has underscored the distinct advantages of each…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Mk Bashar , Ocean Monjur , Samia Islam , Mohammad Galib Shams , Niamul Quader

Deep convolutional neural networks (CNN) have recently been shown to generate promising results for aesthetics assessment. However, the performance of these deep CNN methods is often compromised by the constraint that the neural network…

计算机视觉与模式识别 · 计算机科学 2017-04-04 Shuang Ma , Jing Liu , Chang Wen Chen

We introduce ISALux, a novel transformer-based approach for Low-Light Image Enhancement (LLIE) that seamlessly integrates illumination and semantic priors. Our architecture includes an original self-attention block, Hybrid Illumination and…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Raul Balmez , Alexandru Brateanu , Ciprian Orhei , Codruta Ancuti , Cosmin Ancuti

In this work we describe a Convolutional Neural Network (CNN) to accurately predict the scene illumination. Taking image patches as input, the CNN works in the spatial domain without using hand-crafted features that are employed by most…

计算机视觉与模式识别 · 计算机科学 2015-04-20 Simone Bianco , Claudio Cusano , Raimondo Schettini

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…

图像与视频处理 · 电气工程与系统科学 2025-02-24 Shiqi Jiang , Hui Yuan , Shuai Li , Raouf Hamzaoui , Xu Wang , Junyan Huo

Image degradation caused by complex lighting conditions such as low-light and backlit scenarios is commonly encountered in real-world environments, significantly affecting image quality and downstream vision tasks. Most existing methods…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Ziang Wang , Xiaoqin Wang , Dingyi Wang , Qiang Li , Shushan Qiao

Previous low-light image enhancement (LLIE) approaches, while employing frequency decomposition techniques to address the intertwined challenges of low frequency (e.g., illumination recovery) and high frequency (e.g., noise reduction),…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Kun Zhou , Xinyu Lin , Wenbo Li , Xiaogang Xu , Yuanhao Cai , Zhonghang Liu , Xiaoguang Han , Jiangbo Lu

We propose a novel unsupervised backlit image enhancement method, abbreviated as CLIP-LIT, by exploring the potential of Contrastive Language-Image Pre-Training (CLIP) for pixel-level image enhancement. We show that the open-world CLIP…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Zhexin Liang , Chongyi Li , Shangchen Zhou , Ruicheng Feng , Chen Change Loy

Low level image restoration is an integral component of modern artificial intelligence (AI) driven camera pipelines. Most of these frameworks are based on deep neural networks which present a massive computational overhead on resource…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Avisek Lahiri , Sourav Bairagya , Sutanu Bera , Siddhant Haldar , Prabir Kumar Biswas

Images acquired by computer vision systems under low light conditions have multiple characteristics like high noise, lousy illumination, reflectance, and bad contrast, which make object detection tasks difficult. Much work has been done to…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Winston Chen , Tejas Shah

Low-light images suffer from severe noise, contrast loss, and semantic ambiguity, making enhancement a joint problem of denoising and detail recovery. We propose PixIE, a feed-forward pixel-space LLIE framework semantically prompted by a…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Ruirui Lin , Guoxi Huang , David Bull , Nantheera Anantrasirichai