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The Deep Prior framework has emerged as a powerful generative tool which can be used for reconstructing sound fields in an environment from few sparse pressure measurements. It employs a neural network that is trained solely on a limited…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-15 Mirco Pezzoli , Federico Miotello , Shoichi Koyama , Fabio Antonacci

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…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Shivam Chhirolya , Sameer Malik , Rajiv Soundararajan

Diffusion Transformers (DiTs) excel at generation, but their global self-attention makes controllable, reference-image-based editing a distinct challenge. Unlike U-Nets, naively injecting local appearance into a DiT can disrupt its holistic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Shengrong Gu , Ye Wang , Song Wu , Rui Ma , Qian Wang , Lanjun Wang , Zili Yi

Image restoration problems are typically ill-posed requiring the design of suitable priors. These priors are typically hand-designed and are fully instantiated throughout the process. In this paper, we introduce a novel framework for…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Raied Aljadaany , Dipan K. Pal , Marios Savvides

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

Low-light images often suffer from low contrast, noise, and color distortion, degrading visual quality and impairing downstream vision tasks. We propose a novel conditional diffusion framework for low-light image enhancement that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Xuanshuo Fu , Lei Kang , Javier Vazquez-Corral

Two difficulties here make low-light image enhancement a challenging task; firstly, it needs to consider not only luminance restoration but also image contrast, image denoising and color distortion issues simultaneously. Second, the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Wenchao Li , Bangshu Xiong , Qiaofeng Ou , Xiaoyun Long , Jinhao Zhu , Jiabao Chen , Shuyuan Wen

Unpaired training has been verified as one of the most effective paradigms for real scene dehazing by learning from unpaired real-world hazy and clear images. Although numerous studies have been proposed, current methods demonstrate limited…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Yunwei Lan , Zhigao Cui , Chang Liu , Jialun Peng , Nian Wang , Xin Luo , Dong Liu

Visual recognition under adverse conditions is a very important and challenging problem of high practical value, due to the ubiquitous existence of quality distortions during image acquisition, transmission, or storage. While deep neural…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Ding Liu , Bowen Cheng , Zhangyang Wang , Haichao Zhang , Thomas S. Huang

Image enhancement is a common technique used to mitigate issues such as severe noise, low brightness, low contrast, and color deviation in low-light images. However, providing an optimal high-light image as a reference for low-light image…

Computer Vision and Pattern Recognition · Computer Science 2023-08-07 Yu Zhang , Xiaoguang Di , Junde Wu , Rao Fu , Yong Li , Yue Wang , Yanwu Xu , Guohui Yang , Chunhui Wang

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

Existing low-light image enhancement (LIE) methods have achieved noteworthy success in solving synthetic distortions, yet they often fall short in practical applications. The limitations arise from two inherent challenges in real-world LIE:…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Yunlong Lin , Tian Ye , Sixiang Chen , Zhenqi Fu , Yingying Wang , Wenhao Chai , Zhaohu Xing , Lei Zhu , Xinghao Ding

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…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Chongyi Li , Chunle Guo , Linghao Han , Jun Jiang , Ming-Ming Cheng , Jinwei Gu , Chen Change Loy

Existing unsupervised low-light image enhancement methods lack enough effectiveness and generalization in practical applications. We suppose this is because of the absence of explicit supervision and the inherent gap between real-world…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Shuzhou Yang , Xuanyu Zhang , Yinhuai Wang , Jiwen Yu , Yuhan Wang , Jian Zhang

We present a neural-based model for relighting a half-body portrait image by simply referring to another portrait image with the desired lighting condition. Rather than following classical inverse rendering methodology that involves…

Graphics · Computer Science 2021-06-28 Guoxian Song , Tat-Jen Cham , Jianfei Cai , Jianmin Zheng

Low-light image enhancement (LIE) aims at precisely and efficiently recovering an image degraded in poor illumination environments. Recent advanced LIE techniques are using deep neural networks, which require lots of low-normal light image…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Yunlong Lin , Zhenqi Fu , Kairun Wen , Tian Ye , Sixiang Chen , Ge Meng , Yingying Wang , Yue Huang , Xiaotong Tu , Xinghao Ding

Classic image-restoration algorithms use a variety of priors, either implicitly or explicitly. Their priors are hand-designed and their corresponding weights are heuristically assigned. Hence, deep learning methods often produce superior…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Majed El Helou , Sabine Süsstrunk

End-to-end autonomous driving has emerged as a dominant paradigm, yet its highly entangled black-box models pose significant challenges in terms of interpretability and safety assurance. To improve model transparency and training…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Ni Ding , Lei He , Shengbo Eben Li , Keqiang Li

Blind face restoration aims at recovering high-quality face images from those with unknown degradations. Current algorithms mainly introduce priors to complement high-quality details and achieve impressive progress. However, most of these…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Zhouxia Wang , Jiawei Zhang , Tianshui Chen , Wenping Wang , Ping Luo

Low light images suffer from severe noise, low brightness, low contrast, etc. In previous researches, many image enhancement methods have been proposed, but few methods can deal with these problems simultaneously. In this paper, to solve…

Image and Video Processing · Electrical Eng. & Systems 2020-08-27 Yu Zhang , Xiaoguang Di , Bin Zhang , Ruihang Ji , Chunhui Wang
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