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相关论文: DALE : Dark Region-Aware Low-light Image Enhanceme…

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Many learning-based low-light image enhancement (LLIE) algorithms are based on the Retinex theory. However, the Retinex-based decomposition techniques in such models introduce corruptions which limit their enhancement performance. In this…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Zhihao Zheng , Mooi Choo Chuah

Extremely low-light text images are common in natural scenes, making scene text detection and recognition challenging. One solution is to enhance these images using low-light image enhancement methods before text extraction. However,…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Che-Tsung Lin , Chun Chet Ng , Zhi Qin Tan , Wan Jun Nah , Xinyu Wang , Jie Long Kew , Pohao Hsu , Shang Hong Lai , Chee Seng Chan , Christopher Zach

Shadow detection is a challenging task as it requires a comprehensive understanding of shadow characteristics and global/local illumination conditions. We observe from our experiment that state-of-the-art deep methods tend to have higher…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Huankang Guan , Ke Xu , Rynson W. H. Lau

Low-Light Image Enhancement (LLIE) is a key task in computational photography and imaging. The problem of enhancing images captured during night or in dark environments has been well-studied in the computer vision literature. However,…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Juan C. Benito , Daniel Feijoo , Alvaro Garcia , Marcos V. Conde

Images captured under low-light conditions manifest poor visibility, lack contrast and color vividness. Compared to conventional approaches, deep convolutional neural networks (CNNs) perform well in enhancing images. However, being solely…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Aditya Arora , Muhammad Haris , Syed Waqas Zamir , Munawar Hayat , Fahad Shahbaz Khan , Ling Shao , Ming-Hsuan Yang

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…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Wojciech Kozłowski , Michał Szachniewicz , Michał Stypułkowski , Maciej Zięba

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…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Tao Wang , Kaihao Zhang , Ziqian Shao , Wenhan Luo , Bjorn Stenger , Tae-Kyun Kim , Wei Liu , Hongdong Li

Detecting objects in low-light scenarios presents a persistent challenge, as detectors trained on well-lit data exhibit significant performance degradation on low-light data due to low visibility. Previous methods mitigate this issue by…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Zhipeng Du , Miaojing Shi , Jiankang Deng

Many existing methods for low-light image enhancement (LLIE) based on Retinex theory ignore important factors that affect the validity of this theory in digital imaging, such as noise, quantization error, non-linearity, and dynamic range…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Shangquan Sun , Wenqi Ren , Jingyang Peng , Fenglong Song , Xiaochun Cao

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

This paper proposes a new framework for low-light image enhancement by simultaneously conducting the appearance as well as structure modeling. It employs the structural feature to guide the appearance enhancement, leading to sharp and…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Xiaogang Xu , Ruixing Wang , Jiangbo Lu

The design of deep learning methods for low light video enhancement remains a challenging problem owing to the difficulty in capturing low light and ground truth video pairs. This is particularly hard in the context of dynamic scenes or…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Shivam Chhirolya , Sameer Malik , Rajiv Soundararajan

As vision based perception methods are usually built on the normal light assumption, there will be a serious safety issue when deploying them into low light environments. Recently, deep learning based methods have been proposed to enhance…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Junjie Hu , Xiyue Guo , Junfeng Chen , Guanqi Liang , Fuqin Deng , Tin lun Lam

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

In digital imaging, enhancing visual content in poorly lit environments is a significant challenge, as images often suffer from inadequate brightness, hidden details, and an overall reduction in quality. This issue is especially critical in…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Farzaneh Koohestani , Nader Karimi , Shadrokh Samavi

Recent work indicates that, besides being a challenge in producing perceptually pleasing images, low light proves more difficult for machine cognition than previously thought. In our work, we take a closer look at object detection in low…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Igor Morawski , Yu-An Chen , Yu-Sheng Lin , Winston H. Hsu

This paper proposes a novel image contrast enhancement method based on both a noise aware shadow-up function and Retinex (retina and cortex) decomposition. Under low light conditions, images taken by digital cameras have low contrast in…

计算机视觉与模式识别 · 计算机科学 2018-11-09 Chien Cheng Chien , Yuma Kinoshita , Sayaka Shiota , Hitoshi Kiya

Low-light image enhancement (LLIE) investigates how to improve illumination and produce normal-light images. The majority of existing methods improve low-light images via a global and uniform manner, without taking into account the semantic…

计算机视觉与模式识别 · 计算机科学 2023-04-17 Yuhui Wu , Chen Pan , Guoqing Wang , Yang Yang , Jiwei Wei , Chongyi Li , Heng Tao Shen

This paper presents a novel saturation aware space variant blind image deblurring framework designed to address challenges posed by saturated pixels in deblurring under high dynamic range and low light conditions. The proposed approach…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Muhammad Z. Alam , Larry Stetsiuk , Arooba Zeshan

Recent attention-based image inpainting methods have made inspiring progress by modeling long-range dependencies within a single image. However, they tend to generate blurry contents since the correlation between each pixel pairs is always…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Zhilin Huang , Chujun Qin , Zhenyu Weng , Yuesheng Zhu