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Noise reduction techniques based on deep learning have demonstrated impressive performance in enhancing the overall quality of recorded speech. While these approaches are highly performant, their application in audio engineering can be…

Sound · Computer Science 2023-10-18 Christian J. Steinmetz , Thomas Walther , Joshua D. Reiss

To develop and evaluate a new deep learning MR denoising method that leverages quantitative noise distribution information from the reconstruction process to improve denoising performance and generalization. This retrospective study trained…

Image denoising enhances image quality, serving as a foundational technique across various computational photography applications. The obstacle to clean image acquisition in real scenarios necessitates the development of self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Tong Li , Lizhi Wang , Zhiyuan Xu , Lin Zhu , Wanxuan Lu , Hua Huang

Modeling and synthesizing low-light raw noise is a fundamental problem for computational photography and image processing applications. Although most recent works have adopted physics-based models to synthesize noise, the signal-independent…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Feng Zhang , Bin Xu , Zhiqiang Li , Xinran Liu , Qingbo Lu , Changxin Gao , Nong Sang

The use of cameras and computational algorithms for noninvasive, low-cost and scalable measurement of physiological (e.g., cardiac and pulmonary) vital signs is very attractive. However, diverse data representing a range of environments,…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Daniel McDuff , Miah Wander , Xin Liu , Brian L. Hill , Javier Hernandez , Jonathan Lester , Tadas Baltrusaitis

Demosaicing and denoising of RAW images are crucial steps in the processing pipeline of modern digital cameras. As only a third of the color information required to produce a digital image is captured by the camera sensor, the process of…

Image and Video Processing · Electrical Eng. & Systems 2023-09-19 Taihui Li , Anish Lahiri , Yutong Dai , Owen Mayer

In the last few years, image denoising has benefited a lot from the fast development of neural networks. However, the requirement of large amounts of noisy-clean image pairs for supervision limits the wide use of these models. Although…

Image and Video Processing · Electrical Eng. & Systems 2021-04-01 Tao Huang , Songjiang Li , Xu Jia , Huchuan Lu , Jianzhuang Liu

Compared to natural images, hyperspectral images (HSIs) consist of a large number of bands, with each band capturing different spectral information from a certain wavelength, even some beyond the visible spectrum. These characteristics of…

Image and Video Processing · Electrical Eng. & Systems 2023-09-18 Orhan Torun , Seniha Esen Yuksel , Erkut Erdem , Nevrez Imamoglu , Aykut Erdem

This paper reviews the AIM 2025 (Advances in Image Manipulation) Low-Light RAW Video Denoising Challenge. The task is to develop methods that denoise low-light RAW video by exploiting temporal redundancy while operating under exposure-time…

Image demosaicing and denoising play a critical role in the raw imaging pipeline. These processes have often been treated as independent, without considering their interactions. Indeed, most classic denoising methods handle noisy RGB…

Image and Video Processing · Electrical Eng. & Systems 2024-08-14 Yu Guo , Qiyu Jin , Jean-Michel Morel , Gabriele Facciolo

Denoising and filtering are widely used in routine seismic-data-processing to improve the signal-to-noise ratio (SNR) of recorded signals and by doing so to improve subsequent analyses. In this paper we develop a new denoising/decomposition…

Geophysics · Physics 2020-01-08 Weiqiang Zhu , S. Mostafa Mousavi , Gregory C. Beroza

Large amount of image denoising literature focuses on single channel images and often experimentally validates the proposed methods on tens of images at most. In this paper, we investigate the interaction between denoising and…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 Jiqing Wu , Radu Timofte , Zhiwu Huang , Luc Van Gool

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

Real-world graph data environments intrinsically exist noise (e.g., link and structure errors) that inevitably disturb the effectiveness of graph representation and downstream learning tasks. For homogeneous graphs, the latest works use…

Machine Learning · Computer Science 2024-12-25 Xiong Zhang , Cheng Xie , Haoran Duan , Beibei Yu

Diffusion models achieve state-of-the-art image synthesis, with their generative trajectories fundamentally exhibiting a spectral bias, resolving low-frequency global structures early and high-frequency fine details later. Conventional…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Hadar Davidson , Noam Issachar , Sagie Benaim

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…

Signal Processing · Electrical Eng. & Systems 2023-09-22 Kenji Ishikawa , Daiki Takeuchi , Noboru Harada , Takehiro Moriya

High levels of noise usually exist in today's captured images due to the relatively small sensors equipped in the smartphone cameras, where the noise brings extra challenges to lossy image compression algorithms. Without the capacity to…

Image and Video Processing · Electrical Eng. & Systems 2022-07-25 Ka Leong Cheng , Yueqi Xie , Qifeng Chen

RAW images are unprocessed camera sensor output with sensor-specific RGB values based on the sensor's color filter spectral sensitivities. RAW images also incur strong color casts due to the sensor's response to the spectral properties of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Abhijith Punnappurath , Luxi Zhao , Hoang Le , Abdelrahman Abdelhamed , SaiKiran Kumar Tedla , Michael S. Brown

As a neuromorphic sensor with high temporal resolution, the spike camera shows enormous potential in high-speed visual tasks. However, the high-speed sampling of light propagation processes by existing cameras brings unavoidable noise…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Liwen hu , Lei Ma , Zhaofei Yu , Boxin Shi , Tiejun Huang

In recent years, deep neural networks (DNNs) have gained remarkable achievement in computer vision tasks, and the success of DNNs often depends greatly on the richness of data. However, the acquisition process of data and high-quality…

Computer Vision and Pattern Recognition · Computer Science 2024-04-08 Mengting Li , Chuang Zhu