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Ultra-high-definition (UHD) image restoration poses unique challenges due to the high spatial resolution, diverse content, and fine-grained structures present in UHD images. To address these issues, we introduce a progressive spectral…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Chen Zhao , Yunzhe Xu , Zhizhou Chen , Enxuan Gu , Kai Zhang , Xiaoming Liu , Jian Yang , Ying Tai

Ultra-high-definition (UHD) images often suffer from severe degradations such as blur, haze, rain, or low-light conditions, which pose significant challenges for image restoration due to their high resolution and computational demands. In…

图像与视频处理 · 电气工程与系统科学 2025-11-10 S. Zhao , W. Lu , B. Wang , T. Wang , K. Zhang , H. Zhao

Ultra-high-definition (UHD) image restoration aims to specifically solve the problem of quality degradation in ultra-high-resolution images. Recent advancements in this field are predominantly driven by deep learning-based innovations,…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Liyan Wang , Weixiang Zhou , Cong Wang , Kin-Man Lam , Zhixun Su , Jinshan Pan

Ultra-high-definition (UHD) image deblurring poses significant challenges for UHD restoration methods, which must balance fine-grained detail recovery and practical inference efficiency. Although prominent discriminative and generative…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Yucheng Xin , Dawei Zhao , Xiang Chen , Chen Wu , Pu Wang , Dianjie Lu , Guijuan Zhang , Xiuyi Jia , Zhuoran Zheng

Face restoration (FR) is a specialized field within image restoration that aims to recover low-quality (LQ) face images into high-quality (HQ) face images. Recent advances in deep learning technology have led to significant progress in FR…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Wenjie Li , Mei Wang , Kai Zhang , Juncheng Li , Xiaoming Li , Yuhang Zhang , Guangwei Gao , Weihong Deng , Chia-Wen Lin

Ultra-High-Definition (UHD) photo has gradually become the standard configuration in advanced imaging devices. The new standard unveils many issues in existing approaches for low-light image enhancement (LLIE), especially in dealing with…

计算机视觉与模式识别 · 计算机科学 2023-02-24 Chongyi Li , Chun-Le Guo , Man Zhou , Zhexin Liang , Shangchen Zhou , Ruicheng Feng , Chen Change Loy

All-in-one image restoration tasks are becoming increasingly important, especially for ultra-high-definition (UHD) images. Existing all-in-one UHD image restoration methods usually boost the model's performance by introducing prompt or…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Xin Su , Zhuoran Zheng , Chen Wu

In this paper, we present a novel and effective framework, named 4K-NeRF, to pursue high fidelity view synthesis on the challenging scenarios of ultra high resolutions, building on the methodology of neural radiance fields (NeRF). The…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Zhongshu Wang , Lingzhi Li , Zhen Shen , Li Shen , Liefeng Bo

Learning-based image super-resolution aims to reconstruct high-frequency (HF) details from the prior model trained by a set of high- and low-resolution image patches. In this paper, HF to be estimated is considered as a combination of two…

计算机视觉与模式识别 · 计算机科学 2016-11-18 Jian Zhang , Chen Zhao , Ruiqin Xiong , Siwei Ma , Debin Zhao

Deep learning based methods have achieved significant success in the task of single image reflection removal (SIRR). However, the majority of these methods are focused on High-Definition/Standard-Definition (HD/SD) images, while ignoring…

计算机视觉与模式识别 · 计算机科学 2024-11-11 Zhenyuan Zhang , Zhenbo Song , Kaihao Zhang , Zhaoxin Fan , Jianfeng Lu

Ultra-High Definition (UHD) image restoration faces a trade-off between computational efficiency and high-frequency detail retention. While Variational Autoencoders (VAEs) improve efficiency via latent-space processing, their Gaussian…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Yidi Liu , Xueyang Fu , Jie Huang , Jie Xiao , Dong Li , Wenlong Zhang , Lei Bai , Zheng-Jun Zha

Image super-resolution (SR) methods essentially lead to a loss of some high-frequency (HF) information when predicting high-resolution (HR) images from low-resolution (LR) images without using external references. To address this issue, we…

计算机视觉与模式识别 · 计算机科学 2018-06-19 Sifeng Xia , Wenhan Yang , Jiaying Liu , Zongming Guo

Ultra-High-Resolution (UHR) imagery has become essential for modern remote sensing, offering unprecedented spatial coverage. However, detecting small objects in such vast scenes presents a critical dilemma: retaining the original resolution…

计算机视觉与模式识别 · 计算机科学 2026-04-24 Jingfang Li , Haoran Zhu , Wen Yang , Jinrui Zhang , Fang Xu , Haijian Zhang , Gui-Song Xia

Mapping a single exposure low dynamic range (LDR) image into a high dynamic range (HDR) is considered among the most strenuous image to image translation tasks due to exposure-related missing information. This study tackles the challenges…

计算机视觉与模式识别 · 计算机科学 2021-04-20 SMA Sharif , Rizwan Ali Naqvi , Mithun Biswas , Kim Sungjun

Face Restoration (FR) aims to restore High-Quality (HQ) faces from Low-Quality (LQ) input images, which is a domain-specific image restoration problem in the low-level computer vision area. The early face restoration methods mainly use…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Tao Wang , Kaihao Zhang , Jiankang Deng , Tong Lu , Wei Liu , Stefanos Zafeiriou

In this work, we consider the image super-resolution (SR) problem. The main challenge of image SR is to recover high-frequency details of a low-resolution (LR) image that are important for human perception. To address this essentially…

计算机视觉与模式识别 · 计算机科学 2017-11-22 Wenhan Yang , Jiashi Feng , Jianchao Yang , Fang Zhao , Jiaying Liu , Zongming Guo , Shuicheng Yan

A major challenge for high dynamic range (HDR) image reconstruction from multi-exposed low dynamic range (LDR) images, especially with dynamic scenes, is the extraction and merging of relevant contextual features in order to suppress any…

图像与视频处理 · 电气工程与系统科学 2022-11-09 Lingkai Zhu , Fei Zhou , Bozhi Liu , Orcun Göksel

Underwater imagery is often compromised by factors such as color distortion and low contrast, posing challenges for high-level vision tasks. Recent underwater image restoration (UIR) methods either analyze the input image at full…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Alik Pramanick , Arijit Sur , V. Vijaya Saradhi

This paper explores the problem of reconstructing high-resolution light field (LF) images from hybrid lenses, including a high-resolution camera surrounded by multiple low-resolution cameras. To tackle this challenge, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2020-08-04 Jing Jin , Junhui Hou , Jie Chen , Sam Kwong , Jingyi Yu

High Dynamic Range (HDR) imaging aims to replicate the high visual quality and clarity of real-world scenes. Due to the high costs associated with HDR imaging, the literature offers various data-driven methods for HDR image reconstruction…

图像与视频处理 · 电气工程与系统科学 2024-02-13 Hrishav Bakul Barua , Ganesh Krishnasamy , KokSheik Wong , Abhinav Dhall , Kalin Stefanov
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