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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…

图像与视频处理 · 电气工程与系统科学 2022-09-05 Yucheng Lu , Seung-Won Jung

With its significant performance improvements, the deep learning paradigm has become a standard tool for modern image denoisers. While promising performance has been shown on seen noise distributions, existing approaches often suffer from…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Hao Chen , Chenyuan Qu , Yu Zhang , Chen Chen , Jianbo Jiao

Images acquired in low-light environments present significant obstacles for computer vision systems and human perception, especially for applications requiring accurate object recognition and scene analysis. Such images typically manifest…

图像与视频处理 · 电气工程与系统科学 2025-10-28 Bibhabasu Debnath , Sahana Ray , Sanjay Ghosh

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

Low-light image enhancement (LLIE) aims to improve low-illumination images. However, existing methods face two challenges: (1) uncertainty in restoration from diverse brightness degradations; (2) loss of texture and color information caused…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Xu Wu , XianXu Hou , Zhihui Lai , Jie Zhou , Ya-nan Zhang , Witold Pedrycz , Linlin Shen

Recently, to improve the unsupervised image retrieval performance, plenty of unsupervised hashing methods have been proposed by designing a semantic similarity matrix, which is based on the similarities between image features extracted by a…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Rong-Cheng Tu , Xian-Ling Mao , Kevin Qinghong Lin , Chengfei Cai , Weize Qin , Hongfa Wang , Wei Wei , Heyan Huang

Low-light conditions have an adverse impact on machine cognition, limiting the performance of computer vision systems in real life. Since low-light data is limited and difficult to annotate, we focus on image processing to enhance low-light…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Igor Morawski , Kai He , Shusil Dangi , Winston H. Hsu

Low-light images often suffer from noise and color distortion. Object detection, semantic segmentation, instance segmentation, and other tasks are challenging when working with low-light images because of image noise and chromatic…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Xiaochun Lei , Weiliang Mai , Junlin Xie , He Liu , Zetao Jiang , Zhaoting Gong , Chang Lu , Linjun Lu

Image hazing aims to render a hazy image from a given clean one, which could be applied to a variety of practical applications such as gaming, filming, photographic filtering, and image dehazing. To generate plausible haze, we study two…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Boyun Li , Yijie Lin , Xiao Liu , Peng Hu , Jiancheng Lv , Xi Peng

The accuracy of medical imaging-based diagnostics is directly impacted by the quality of the collected images. A passive approach to improve image quality is one that lags behind improvements in imaging hardware, awaiting better sensor…

图像与视频处理 · 电气工程与系统科学 2019-09-23 Saeed Izadi , Zahra Mirikharaji , Mengliu Zhao , Ghassan Hamarneh

Understanding illumination and reducing the need for supervision pose a significant challenge in low-light enhancement. Current approaches are highly sensitive to data usage during training and illumination-specific hyper-parameters,…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Wenjing Wang , Huan Yang , Jianlong Fu , Jiaying Liu

The Retinex theory models the image as a product of illumination and reflection components, which has received extensive attention and is widely used in image enhancement, segmentation and color restoration. However, it has been rarely used…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Liang Wu , Wenjing Lu , Liming Tang , Zhuang Fang

This paper introduces a novel lightweight computational framework for enhancing images under low-light conditions, utilizing advanced machine learning and convolutional neural networks (CNNs). Traditional enhancement techniques often fail…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Zhuoheng Li , Yuheng Pan , Houcheng Yu , Zhiheng Zhang

Single image dehazing is a critical stage in many modern-day autonomous vision applications. Early prior-based methods often involved a time-consuming minimization of a hand-crafted energy function. Recent learning-based approaches utilize…

计算机视觉与模式识别 · 计算机科学 2020-02-04 Alona Golts , Daniel Freedman , Michael Elad

Image restoration is a low-level visual task, and most CNN methods are designed as black boxes, lacking transparency and intrinsic aesthetics. Many unsupervised approaches ignore the degradation of visible information in low-light scenes,…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Qihan Zhao , Xiaofeng Zhang , Hao Tang , Chaochen Gu , Shanying Zhu

Low-light images suffer from complex degradation, and existing enhancement methods often encode all degradation factors within a single latent space. This leads to highly entangled features and strong black-box characteristics, making the…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Shuangli Du , Siming Yan , Zhenghao Shi , Zhenzhen You , Lu Sun

Low-light image enhancement is a crucial preprocessing task for some complex vision tasks. Target detection, image segmentation, and image recognition outcomes are all directly impacted by the impact of image enhancement. However, the…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Mengfei Wu , Xucheng Xue , Taiji Lan , Xinwei Xu

Most matting researches resort to advanced semantics to achieve high-quality alpha mattes, and direct low-level features combination is usually explored to complement alpha details. However, we argue that appearance-agnostic integration can…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Yu Qiao , Yuhao Liu , Ziqi Wei , Yuxin Wang , Qiang Cai , Guofeng Zhang , Xin Yang

A significant number of researchers have applied deep learning methods to image fusion. However, most works require a large amount of training data or depend on pre-trained models or frameworks to capture features from source images. This…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Xudong Ma , Paul Hill , Nantheera Anantrasirichai , Alin Achim

Blind image deblurring is a long standing challenging problem in image processing and low-level vision. Recently, sophisticated priors such as dark channel prior, extreme channel prior, and local maximum gradient prior, have shown promising…

图像与视频处理 · 电气工程与系统科学 2020-10-30 Fei Wen , Rendong Ying , Yipeng Liu , Peilin Liu , Trieu-Kien Truong