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Integrating a foreground object into a background scene with illumination harmonization is an important but challenging task in computer vision and augmented reality community. Existing methods mainly focus on foreground and background…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Zhongyun Bao , Chengjiang Long , Gang Fu , Daquan Liu , Yuanzhen Li , Jiaming Wu , Chunxia Xiao

Under challenging light conditions, captured images often suffer from various degradations, leading to a decline in the performance of vision-based applications. Although numerous methods have been proposed to enhance image quality, they…

计算机视觉与模式识别 · 计算机科学 2025-12-10 Jing Tao , You Li , Banglei Guan , Yang Shang , Qifeng Yu

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…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Seitaro Ono , Yuka Ogino , Takahiro Toizumi , Atsushi Ito , Masato Tsukada

The usage of digital content (photos and videos) in a variety of applications has increased due to the popularity of multimedia devices. These uses include advertising campaigns, educational resources, and social networking platforms. There…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Muhammad Turab

Existing image enhancement methods fall short of expectations because with them it is difficult to improve global and local image contrast simultaneously. To address this problem, we propose a histogram equalization-based method that adapts…

计算机视觉与模式识别 · 计算机科学 2022-09-15 Xiaomeng Wu , Takahito Kawanishi , Kunio Kashino

Deep learning-based methods for low-light image enhancement typically require enormous paired training data, which are impractical to capture in real-world scenarios. Recently, unsupervised approaches have been explored to eliminate the…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Feng Zhang , Yuanjie Shao , Yishi Sun , Kai Zhu , Changxin Gao , Nong Sang

In dense foggy scenes, existing optical flow methods are erroneous. This is due to the degradation caused by dense fog particles that break the optical flow basic assumptions such as brightness and gradient constancy. To address the…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Wending Yan , Aashish Sharma , Robby T. Tan

Low-light images suffer from severe noise and low illumination. Current deep learning models that are trained with real-world images have excellent noise reduction, but a ratio parameter must be chosen manually to complete the enhancement…

图像与视频处理 · 电气工程与系统科学 2020-04-23 Qingxu Fu , Xiaoguang Di , Yu Zhang

Current deep learning-based low-light image enhancement methods often struggle with high-resolution images, and fail to meet the practical demands of visual perception across diverse and unseen scenarios. In this paper, we introduce a novel…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Tomáš Chobola , Yu Liu , Hanyi Zhang , Julia A. Schnabel , Tingying Peng

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…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Seitaro Ono , Yuka Ogino , Takahiro Toizumi , Atsushi Ito , Masato Tsukada

Existing methods for enhancing dark images captured in a very low-light environment assume that the intensity level of the optimal output image is known and already included in the training set. However, this assumption often does not hold,…

图像与视频处理 · 电气工程与系统科学 2023-04-05 Evgeny Hershkovitch Neiterman , Michael Klyuchka , Gil Ben-Artzi

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…

计算机视觉与模式识别 · 计算机科学 2018-03-22 Chang Liu , Xiaolin Wu , Xiao Shu

In addition to low light, night images suffer degradation from light effects (e.g., glare, floodlight, etc). However, existing nighttime visibility enhancement methods generally focus on low-light regions, which neglects, or even amplifies…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Shufan Pei , Junhong Lin , Wenxi Liu , Tiesong Zhao , Chia-Wen Lin

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

Maritime images captured under low-light imaging condition easily suffer from low visibility and unexpected noise, leading to negative effects on maritime traffic supervision and management. To promote imaging performance, it is necessary…

图像与视频处理 · 电气工程与系统科学 2020-08-11 Yu Guo , Yuxu Lu , Ryan Wen Liu , Meifang Yang , Kwok Tai Chui

A small ISO and a small exposure time are usually used to capture an image in the back or low light conditions which results in an image with negligible motion blur and small noise but look dark. In this paper, a single image brightening…

计算机视觉与模式识别 · 计算机科学 2020-07-27 Chaobing Zheng , Zhengguo Li , Yi Yang , Shiqian Wu

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

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…

计算机视觉与模式识别 · 计算机科学 2020-06-19 Ahmet Serdar Karadeniz , Erkut Erdem , Aykut Erdem

Low-light image enhancement (LLIE) aims at improving the perception or interpretability of an image captured in an environment with poor illumination. Recent advances in this area are dominated by deep learning-based solutions, where many…

计算机视觉与模式识别 · 计算机科学 2021-11-08 Chongyi Li , Chunle Guo , Linghao Han , Jun Jiang , Ming-Ming Cheng , Jinwei Gu , Chen Change Loy

Low-light images, i.e. the images captured in low-light conditions, suffer from very poor visibility caused by low contrast, color distortion and significant measurement noise. Low-light image enhancement is about improving the visibility…

图像与视频处理 · 电气工程与系统科学 2020-07-08 Jinxiu Liang , Yong Xu , Yuhui Quan , Jingwen Wang , Haibin Ling , Hui Ji
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