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Recent learning-based lossless image compression methods encode an image in the unit of subimages and achieve comparable performances to conventional non-learning algorithms. However, these methods do not consider the performance drop in…

Image and Video Processing · Electrical Eng. & Systems 2021-12-14 Hochang Rhee , Yeong Il Jang , Seyun Kim , Nam Ik Cho

This paper introduces a new type of image enhancement problem. Compared to traditional image enhancement methods, which mostly deal with pixel-wise modifications of a given photo, our proposed task is to crop an image which is embedded…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Aaron Ott , Amir Mazaheri , Niels D. Lobo , Mubarak Shah

Low-light images captured in the real world are inevitably corrupted by sensor noise. Such noise is spatially variant and highly dependent on the underlying pixel intensity, deviating from the oversimplified assumptions in conventional…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Zeyuan Chen , Yifan Jiang , Dong Liu , Zhangyang Wang

Image decomposition is a crucial subject in the field of image processing. It can extract salient features from the source image. We propose a new image decomposition method based on convolutional neural network. This method can be applied…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Yu Fu , Xiao-Jun Wu , Josef Kittler

The ability to capture good quality images in the dark and near-zero lux conditions has been a long-standing pursuit of the computer vision community. The seminal work by Chen et al. [5] has especially caused renewed interest in this area,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Mohit Lamba , Atul Balaji , Kaushik Mitra

Infrared and visible image fusion is an important problem in the field of image fusion which has been applied widely in many fields. To better preserve the useful information from source images, in this paper, we propose a novel image…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Hui Li , Xiao-Jun Wu

Image decomposition offers deep insights into the imaging factors of visual data and significantly enhances various advanced computer vision tasks. In this work, we introduce a novel approach to low-light image enhancement based on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Xingxing Yang , Jie Chen , Zaifeng Yang

This paper presents a comprehensive review of the NTIRE 2026 Low Light Image Enhancement Challenge, highlighting the proposed solutions and final results. The objective of this challenge is to identify effective networks capable of…

Learning-based methods have made promising advances in low-light RAW image enhancement, while their capability to extremely dark scenes where the environmental illuminance drops as low as 0.0001 lux remains to be explored due to the lack of…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Hai Jiang , Binhao Guan , Zhen Liu , Xiaohong Liu , Jian Yu , Zheng Liu , Songchen Han , Shuaicheng Liu

This Letter reports a demonstration of off-axis compressed holography in low-light level imaging conditions. An acquisition protocol relying on a single exposure of a randomly undersampled diffraction map of the optical field, recorded in…

Optics · Physics 2015-05-27 Marcio M. Marim , Elsa Angelini , J. C. Olivo-Marin , Michael Atlan

Infrared (IR) imaging offers advantages in several fields due to its unique ability of capturing content in extreme light conditions. However, the demanding hardware requirements of high-resolution IR sensors limit its widespread…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Jingchao Peng , Thomas Bashford-Rogers , Zhuang Shao , Haitao Zhao , Aru Ranjan Singh , Abhishek Goswami , Kurt Debattista

We study human pose estimation in extremely low-light images. This task is challenging due to the difficulty of collecting real low-light images with accurate labels, and severely corrupted inputs that degrade prediction quality…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Sohyun Lee , Jaesung Rim , Boseung Jeong , Geonu Kim , Byungju Woo , Haechan Lee , Sunghyun Cho , Suha Kwak

Visible and near-infrared(NIR) band sensors provide images that capture complementary spectral radiations from a scene. And the fusion of the visible and NIR image aims at utilizing their spectrum properties to enhance image quality.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Zhuo Li , Bo Li

Images captured under extremely low light conditions are noise-limited, which can cause existing robotic vision algorithms to fail. In this paper we develop an image processing technique for aiding 3D reconstruction from images acquired in…

Robotics · Computer Science 2021-08-24 Ahalya Ravendran , Mitch Bryson , Donald G. Dansereau

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…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Feng Zhang , Yuanjie Shao , Yishi Sun , Kai Zhu , Changxin Gao , Nong Sang

There are several images that do not have uniform brightness which pose a challenging problem for image enhancement systems. As histogram equalization has been successfully used to correct for uniform brightness problems, a histogram…

Computer Vision and Pattern Recognition · Computer Science 2012-03-09 Chelsy Sapna Josephus , S. Remya

Low-light Object detection is crucial for many real-world applications but remains challenging due to degraded image quality. While recent studies have shown that RAW images offer superior potential over RGB images, existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Jiasheng Guo , Xin Gao , Yuxiang Yan , Guanghao Li , Jian Pu

Infrared (IR) imaging is invaluable across many scientific disciplines, from material analysis to diagnostic medicine. However, applications are often limited by detector cost, resolution and sensitivity, noise caused by the thermal IR…

We describe a novel integrated algorithm for real-time enhancement of video acquired under challenging lighting conditions. Such conditions include low lighting, haze, and high dynamic range situations. The algorithm automatically detects…

Graphics · Computer Science 2011-02-17 Xuan Dong , Jiangtao , Wen , Weixin Li , Yi , Pang , Guan Wang , Yao Lu , Wei Meng

The limited dynamic range of commercial compact camera sensors results in an inaccurate representation of scenes with varying illumination conditions, adversely affecting image quality and subsequently limiting the performance of underlying…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Pranjay Shyam , Sandeep Singh Sengar , Kuk-Jin Yoon , Kyung-Soo Kim
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