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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…

Image and Video Processing · Electrical Eng. & Systems 2020-07-08 Jinxiu Liang , Yong Xu , Yuhui Quan , Jingwen Wang , Haibin Ling , Hui Ji

Low-light imaging with handheld mobile devices is a challenging issue. Limited by the existing models and training data, most existing methods cannot be effectively applied in real scenarios. In this paper, we propose a new low-light image…

Image and Video Processing · Electrical Eng. & Systems 2021-03-02 Meng Chang , Huajun Feng , Zhihai Xu , Qi Li

Complex degradations like noise, blur, and low resolution are typical challenges in real world image fusion tasks, limiting the performance and practicality of existing methods. End to end neural network based approaches are generally…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Yu Shi , Yu Liu , Zhong-Cheng Wu , Juan Cheng , Huafeng Li , Xun Chen

Digital imaging aims to replicate realistic scenes, but Low Dynamic Range (LDR) cameras cannot represent the wide dynamic range of real scenes, resulting in under-/overexposed images. This paper presents a deep learning-based approach for…

Computer Vision and Pattern Recognition · Computer Science 2023-07-07 Dwip Dalal , Gautam Vashishtha , Prajwal Singh , Shanmuganathan Raman

Low-Light Video Enhancement (LLVE) seeks to restore dynamic or static scenes plagued by severe invisibility and noise. In this paper, we present an innovative video decomposition strategy that incorporates view-independent and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Xiaogang Xu , Kun Zhou , Tao Hu , Jiafei Wu , Ruixing Wang , Hao Peng , Bei Yu

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 enhancement techniques almost impossible to apply. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Ahmet Serdar Karadeniz , Erkut Erdem , Aykut Erdem

Diffusion models (DMs) have recently been introduced in image deblurring and exhibited promising performance, particularly in terms of details reconstruction. However, the diffusion model requires a large number of inference iterations to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Zheng Chen , Yulun Zhang , Ding Liu , Bin Xia , Jinjin Gu , Linghe Kong , Xin Yuan

Visible and infrared image fusion (VIF) aims to combine information from visible and infrared images into a single fused image. Previous VIF methods usually employ a color space transformation to keep the hue and saturation from the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Hesong Li , Ying Fu

Recovering ghost-free High Dynamic Range (HDR) images from multiple Low Dynamic Range (LDR) images becomes challenging when the LDR images exhibit saturation and significant motion. Recent Diffusion Models (DMs) have been introduced in HDR…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Tao Hu , Qingsen Yan , Yuankai Qi , Yanning Zhang

Enhancing low-light traffic images is crucial for reliable perception in autonomous driving, intelligent transportation, and urban surveillance systems. Nighttime and dimly lit traffic scenes often suffer from poor visibility due to low…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Siddiqua Namrah

Low-light image enhancement aims to improve the visibility of degraded images to better align with human visual perception. While diffusion-based methods have shown promising performance due to their strong generative capabilities. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Jinhong He , Minglong Xue , Zhipu Liu , Mingliang Zhou , Aoxiang Ning , Palaiahnakote Shivakumara

The process of acquiring microscopic images in life sciences often results in image degradation and corruption, characterised by the presence of noise and blur, which poses significant challenges in accurately analysing and interpreting the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Tomáš Chobola , Gesine Müller , Veit Dausmann , Anton Theileis , Jan Taucher , Jan Huisken , Tingying Peng

Recently, Hyperspectral Image (HSI) classification has attracted increasing attention in remote sensing. However, HSI data are inherently high-dimensional but low-rank, with discriminative information concentrated on a low-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Boxiang Yang , Ning Chen , Xia Yue , Yichang Luo , Yingbo Fan , Haoyuan Zhang , Haoyu Ma , Jun Yue , Shanjun Mao

Hybrid-distorted image restoration (HD-IR) is dedicated to restore real distorted image that is degraded by multiple distortions. Existing HD-IR approaches usually ignore the inherent interference among hybrid distortions which compromises…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Xin Li , Xin Jin , Jianxin Lin , Tao Yu , Sen Liu , Yaojun Wu , Wei Zhou , Zhibo Chen

Previous raw image-based low-light image enhancement methods predominantly relied on feed-forward neural networks to learn deterministic mappings from low-light to normally-exposed images. However, they failed to capture critical…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Yufei Wang , Yi Yu , Wenhan Yang , Lanqing Guo , Lap-Pui Chau , Alex C. Kot , Bihan Wen

Super-resolution tasks oriented to images captured in ultra-dark environments is a practical yet challenging problem that has received little attention. Due to uneven illumination and low signal-to-noise ratio in dark environments, a…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Jiaxin Gao , Ziyu Yue , Yaohua Liu , Sihan Xie , Xin Fan , Risheng Liu

As the quality of optical sensors improves, there is a need for processing large-scale images. In particular, the ability of devices to capture ultra-high definition (UHD) images and video places new demands on the image processing…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Tao Wang , Kaihao Zhang , Tianrun Shen , Wenhan Luo , Bjorn Stenger , Tong Lu

Real-world imaging systems acquire measurements that are degraded by noise, optical aberrations, and other imperfections that make image processing for human viewing and higher-level perception tasks challenging. Conventional cameras…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Steven Diamond , Vincent Sitzmann , Frank Julca-Aguilar , Stephen Boyd , Gordon Wetzstein , Felix Heide

Images captured under low-light conditions often suffer from (partially) poor visibility. Besides unsatisfactory lightings, multiple types of degradations, such as noise and color distortion due to the limited quality of cameras, hide in…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Yonghua Zhang , Jiawan Zhang , Xiaojie Guo

Imaging under photon-scarce situations introduces challenges to many applications as the captured images are with low signal-to-noise ratio and poor luminance. In this paper, we investigate the raw image restoration under low-photon-count…

Image and Video Processing · Electrical Eng. & Systems 2021-11-03 Shansi Zhang , Edmund Y. Lam