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Noise removal of images is an essential preprocessing procedure for many computer vision tasks. Currently, many denoising models based on deep neural networks can perform well in removing the noise with known distributions (i.e. the…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Wencong Wu , Guannan Lv , Yingying Duan , Peng Liang , Yungang Zhang , Yuelong Xia

Blind image denoising is an important yet very challenging problem in computer vision due to the complicated acquisition process of real images. In this work we propose a new variational inference method, which integrates both noise…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Zongsheng Yue , Hongwei Yong , Qian Zhao , Lei Zhang , Deyu Meng

The prevalent convolutional neural network (CNN) based image denoising methods extract features of images to restore the clean ground truth, achieving high denoising accuracy. However, these methods may ignore the underlying distribution of…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Yang Liu , Saeed Anwar , Zhenyue Qin , Pan Ji , Sabrina Caldwell , Tom Gedeon

Modern digital cameras rely on the sequential execution of separate image processing steps to produce realistic images. The first two steps are usually related to denoising and demosaicking where the former aims to reduce noise from the…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Filippos Kokkinos , Stamatios Lefkimmiatis

Variations of deep neural networks such as convolutional neural network (CNN) have been successfully applied to image denoising. The goal is to automatically learn a mapping from a noisy image to a clean image given training data consisting…

计算机视觉与模式识别 · 计算机科学 2017-09-29 Tianyang Wang , Mingxuan Sun , Kaoning Hu

We present DeepISP, a full end-to-end deep neural model of the camera image signal processing (ISP) pipeline. Our model learns a mapping from the raw low-light mosaiced image to the final visually compelling image and encompasses low-level…

图像与视频处理 · 电气工程与系统科学 2019-02-05 Eli Schwartz , Raja Giryes , Alex M. Bronstein

Recent advancements in multi-scale architectures have demonstrated exceptional performance in image denoising tasks. However, existing architectures mainly depends on a fixed single-input single-output Unet architecture, ignoring the…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Xu Zhao , Chen Zhao , Xiantao Hu , Hongliang Zhang , Ying Tai , Jian Yang

The capability of image semantic segmentation may be deteriorated due to noisy input image, where image denoising prior to segmentation helps. Both image denoising and semantic segmentation have been developed significantly with the advance…

计算机视觉与模式识别 · 计算机科学 2021-02-25 Shunxin Xu , Ke Sun , Dong Liu , Zhiwei Xiong , Zheng-Jun Zha

Hyperspectral image (HSI) denoising is a crucial preprocessing procedure to improve the performance of the subsequent HSI interpretation and applications. In this paper, a novel deep learning-based method for this task is proposed, by…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Qiangqiang Yuan , Qiang Zhang , Jie Li , Huanfeng Shen , Liangpei Zhang

In recent years, the development of deep learning has been pushing image denoising to a new level. Among them, self-supervised denoising is increasingly popular because it does not require any prior knowledge. Most of the existing…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Dan Zhang , Fangfang Zhou

We design a novel network architecture for learning discriminative image models that are employed to efficiently tackle the problem of grayscale and color image denoising. Based on the proposed architecture, we introduce two different…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Stamatios Lefkimmiatis

We explore means to advance source camera identification based on sensor noise in a data-driven framework. Our focus is on improving the sensor pattern noise (SPN) extraction from a single image at test time. Where existing works suppress…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Matthias Kirchner , Cameron Johnson

Real noisy-clean pairs on a large scale are costly and difficult to obtain. Meanwhile, supervised denoisers trained on synthetic data perform poorly in practice. Self-supervised denoisers, which learn only from single noisy images, solve…

图像与视频处理 · 电气工程与系统科学 2023-05-09 Zejin Wang , Jiazheng Liu , Guoqing Li , Hua Han

Convolutional neural networks (CNNs) have achieved exciting performance in joint segmentation of optic disc and optic cup on single-institution datasets. However, their clinical translation is hindered by two major challenges: limited…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Yusong Xiao , Yuxuan Wu , Li Xiao , Gang Qu , Haiye Huo , Yu-Ping Wang

Deep neural networks (DNNs) have recently become the leading method for low-light image enhancement (LLIE). However, despite significant progress, their outputs may still exhibit issues such as amplified noise, incorrect white balance, or…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Zhihua Wang , Yu Long , Qinghua Lin , Kai Zhang , Yazhu Zhang , Yuming Fang , Li Liu , Xiaochun Cao

Hyperspectral images (HSIs) have been widely applied in many fields, such as military, agriculture, and environment monitoring. Nevertheless, HSIs commonly suffer from various types of noise during acquisition. Therefore, denoising is…

图像与视频处理 · 电气工程与系统科学 2021-04-07 Yan Gao , Feng Gao , Junyu Dong

Pixel binning is considered one of the most prominent solutions to tackle the hardware limitation of smartphone cameras. Despite numerous advantages, such an image sensor has to appropriate an artefact-prone non-Bayer colour filter array…

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

Deep learning (DL) has shown promise for faster, high quality accelerated MRI reconstruction. However, supervised DL methods depend on extensive amounts of fully-sampled (labeled) data and are sensitive to out-of-distribution (OOD) shifts,…

This paper proposes a deep sound-field denoiser, a deep neural network (DNN) based denoising of optically measured sound-field images. Sound-field imaging using optical methods has gained considerable attention due to its ability to achieve…

信号处理 · 电气工程与系统科学 2023-09-22 Kenji Ishikawa , Daiki Takeuchi , Noboru Harada , Takehiro Moriya

The usage of digital content (photos and videos) in a variety of applications has increased due to the popularity of multimedia devices. These uses include advertising campaigns, educational resources, and social networking platforms. There…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Muhammad Turab