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Images captured in challenging environments--such as nighttime, smoke, rainy weather, and underwater--often suffer from significant degradation, resulting in a substantial loss of visual quality. The effective restoration of these degraded…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Wenfeng Huang , Guoan Xu , Wenjing Jia , Stuart Perry , Guangwei Gao

Image classification remains a fundamental yet challenging task in computer vision, particularly when fine-grained feature extraction and background noise suppression are required simultaneously. Conventional convolutional neural networks,…

计算机视觉与模式识别 · 计算机科学 2026-04-29 Wentao Jiang , Yuanchan Xu , Heng Yuan

Image restoration has seen substantial progress in recent years. However, existing methods often neglect depth information, which hurts similarity matching, results in attention distractions in shallow depth-of-field (DoF) scenarios, and…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Junyi He , Liuling Chen , Hongyang Zhou , Zhang xiaoxing , Xiaobin Zhu , Shengxiang Yu , Jingyan Qin , Xu-Cheng Yin

Image dehazing has witnessed significant advancements with the development of deep learning models. However, most existing methods focus solely on single-modal RGB features, neglecting the inherent correlation between scene depth and haze…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Zengyuan Zuo , Junjun Jiang , Gang Wu , Xianming Liu

Integrating deep learning techniques into the video coding framework gains significant improvement compared to the standard compression techniques, especially applying super-resolution (up-sampling) to down-sampling based video coding as…

图像与视频处理 · 电气工程与系统科学 2021-01-19 Man M. Ho , Jinjia Zhou , Gang He

Medical image segmentation is a critical task in computer vision, with UNet serving as a milestone architecture. The typical component of UNet family is the skip connection, however, their skip connections face two significant limitations:…

计算机视觉与模式识别 · 计算机科学 2025-10-24 Quansong He , Xiangde Min , Kaishen Wang , Tao He

Underwater image enhancement (UIE) plays a crucial role in various marine applications, but it remains challenging due to the complex underwater environment. Current learning-based approaches frequently lack explicit incorporation of prior…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Yingtie Lei , Jia Yu , Yihang Dong , Changwei Gong , Ziyang Zhou , Chi-Man Pun

Visual-based measurement systems are frequently affected by rainy weather due to the degradation caused by rain streaks in captured images, and existing imaging devices struggle to address this issue in real-time. While most efforts…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Ming Tong , Xuefeng Yan , Yongzhen Wang

We consider the problem of video snapshot compressive imaging (SCI), where sequential high-speed frames are modulated by different masks and captured by a single measurement. The underlying principle of reconstructing multi-frame images…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Siming Zheng , Xin Yuan

The problem of phase retrieval (PR) involves recovering an unknown image from limited amplitude measurement data and is a challenge nonlinear inverse problem in computational imaging and image processing. However, many of the PR methods are…

计算机视觉与模式识别 · 计算机科学 2023-09-11 Aoxu Liu , Xiaohong Fan , Yin Yang , Jianping Zhang

This paper proposes UHDformer, a general Transformer for Ultra-High-Definition (UHD) image restoration. UHDformer contains two learning spaces: (a) learning in high-resolution space and (b) learning in low-resolution space. The former…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Cong Wang , Jinshan Pan , Wei Wang , Gang Fu , Siyuan Liang , Mengzhu Wang , Xiao-Ming Wu , Jun Liu

Capturing photographs with wrong exposures remains a major source of errors in camera-based imaging. Exposure problems are categorized as either: (i) overexposed, where the camera exposure was too long, resulting in bright and washed-out…

图像与视频处理 · 电气工程与系统科学 2021-03-31 Mahmoud Afifi , Konstantinos G. Derpanis , Björn Ommer , Michael S. Brown

Recent advancements in image restoration methods employing global modeling have shown promising results. However, these approaches often incur substantial memory requirements, particularly when processing ultra-high-definition (UHD) images.…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Chen Wu , Zhuoran Zheng , Yuning Cui , Wenqi Ren

Fourier ptychography is a recently explored imaging method for overcoming the diffraction limit of conventional cameras with applications in microscopy and yielding high-resolution images. In order to splice together low-resolution images…

图像与视频处理 · 电气工程与系统科学 2020-03-18 Yican Chen , Zhi Luo , Xia Wu , Huidong Yang , Bo Huang

LiDAR-camera fusion enhances 3D panoptic segmentation by leveraging camera images to complement sparse LiDAR scans, but it also introduces a critical failure mode. Under adverse conditions, degradation or failure of the camera sensor can…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Rohit Mohan , Florian Drews , Yakov Miron , Daniele Cattaneo , Abhinav Valada

Existing learning-based methods effectively reconstruct HDR images from multi-exposure LDR inputs with extended dynamic range and improved detail, but they rely more on empirical design rather than theoretical foundation, which can impact…

图像与视频处理 · 电气工程与系统科学 2025-07-08 Xinyue Li , Zhangkai Ni , Wenhan Yang

Ultra-Wide-Field (UWF) retinal imaging has revolutionized retinal diagnostics by providing a comprehensive view of the retina. However, it often suffers from quality-degrading factors such as blurring and uneven illumination, which obscure…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Weicheng Liao , Zan Chen , Jianyang Xie , Yalin Zheng , Yuhui Ma , Yitian Zhao

Deep Convolutional Neural Networks (CNNs) have achieved remarkable results on Single Image Super-Resolution (SISR). Despite considering only a single degradation, recent studies also include multiple degrading effects to better reflect…

图像与视频处理 · 电气工程与系统科学 2020-04-16 Yu-Syuan Xu , Shou-Yao Roy Tseng , Yu Tseng , Hsien-Kai Kuo , Yi-Min Tsai

In this paper, we present a generic deep convolutional neural network (DCNN) for multi-class image segmentation. It is based on a well-established supervised end-to-end DCNN model, known as U-net. U-net is firstly modified by adding widely…

图像与视频处理 · 电气工程与系统科学 2020-04-29 Mina Jafari , Ruizhe Li , Yue Xing , Dorothee Auer , Susan Francis , Jonathan Garibaldi , Xin Chen

Underwater images are severely degraded by wavelength-dependent light absorption and scattering, resulting in color distortion, low contrast, and loss of fine details that hinder vision-based underwater applications. To address these…

计算机视觉与模式识别 · 计算机科学 2025-12-18 Afrah Shaahid , Muzammil Behzad