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999 Results Found

  • Article
  • Open Access
15 Citations
5,167 Views
21 Pages

22 October 2023

In digital image processing, filtering noise is an important step for reconstructing a high-quality image for further processing such as object segmentation, object detection, and object recognition. Various image-denoising approaches, including medi...

  • Article
  • Open Access
32 Citations
4,401 Views
23 Pages

Hyperspectral Image Denoising via Adversarial Learning

  • Junjie Zhang,
  • Zhouyin Cai,
  • Fansheng Chen and
  • Dan Zeng

7 April 2022

Due to sensor instability and atmospheric interference, hyperspectral images (HSIs) often suffer from different kinds of noise which degrade the performance of downstream tasks. Therefore, HSI denoising has become an essential part of HSI preprocessi...

  • Article
  • Open Access
2 Citations
2,841 Views
20 Pages

11 August 2024

Deep convolutional neural networks (CNNs) have demonstrated significant potential in enhancing image denoising performance. However, most denoising methods fuse different levels of features through long and short skip connections, easily generating a...

  • Article
  • Open Access
9 Citations
2,565 Views
17 Pages

28 May 2022

Marine controlled source electromagnetic (CSEM) is an efficient method to explore ocean resources. The amplitudes of marine CSEM signals decay rapidly with the measuring offsets. The signal is easily contaminated by various kinds of noise when the of...

  • Article
  • Open Access
9 Citations
3,438 Views
15 Pages

Multi-Scale Feature Learning Convolutional Neural Network for Image Denoising

  • Shuo Zhang,
  • Chunyu Liu,
  • Yuxin Zhang,
  • Shuai Liu and
  • Xun Wang

6 September 2023

Affected by the hardware conditions and environment of imaging, images generally have serious noise. The presence of noise diminishes the image quality and compromises its effectiveness in real-world applications. Therefore, in real-world application...

  • Article
  • Open Access
17 Citations
5,142 Views
21 Pages

14 December 2022

When reconstructing seismic data, the traditional singular value decomposition (SVD) denoising method has the challenge of difficult rank selection. Therefore, we propose a seismic data denoising method that combines SVD and deep learning. In this me...

  • Article
  • Open Access
6 Citations
2,550 Views
17 Pages

CMID: Crossmodal Image Denoising via Pixel-Wise Deep Reinforcement Learning

  • Yi Guo,
  • Yuanhang Gao,
  • Bingliang Hu,
  • Xueming Qian and
  • Dong Liang

20 December 2023

Removing noise from acquired images is a crucial step in various image processing and computer vision tasks. However, the existing methods primarily focus on removing specific noise and ignore the ability to work across modalities, resulting in limit...

  • Article
  • Open Access
4 Citations
4,201 Views
19 Pages

A Triple Deep Image Prior Model for Image Denoising Based on Mixed Priors and Noise Learning

  • Yong Hu,
  • Shaoping Xu,
  • Xiaohui Cheng,
  • Changfei Zhou and
  • Yufeng Hu

23 April 2023

Image denoising poses a significant challenge in computer vision due to the high-level visual task’s dependency on image quality. Several advanced denoising models have been proposed in recent decades. Recently, deep image prior (DIP), using a...

  • Article
  • Open Access
10 Citations
4,881 Views
13 Pages

Multispectral Image Denoising via Nonlocal Multitask Sparse Learning

  • Ya-Ru Fan,
  • Ting-Zhu Huang,
  • Xi-Le Zhao,
  • Liang-Jian Deng and
  • Shanxiong Fan

16 January 2018

The goal of multispectral imaging is to obtain the spectrum for each pixel in the image of a scene and deliver much reliable information. It has been widely applied to several fields including mineralogy, oceanography and astronomy. However, multispe...

  • Article
  • Open Access
7 Citations
2,771 Views
15 Pages

17 October 2024

A lightweight infrared image denoising method based on adversarial transfer learning is proposed. The method adopts a generative adversarial network (GAN) framework and optimizes the model through a phased transfer learning strategy. In the initial s...

  • Article
  • Open Access
2,303 Views
12 Pages

25 April 2025

Due to its high resolution and all-weather imaging capability, Synthetic Aperture Radar (SAR) is widely used in fields such as Earth observation and environmental monitoring. However, SAR images are prone to noise interference during the imaging proc...

  • Article
  • Open Access
2 Citations
3,156 Views
17 Pages

Learning from Multiple Instances: A Two-Stage Unsupervised Image Denoising Framework Based on Deep Image Prior

  • Shaoping Xu,
  • Xiaojun Chen,
  • Yiling Tang,
  • Shunliang Jiang,
  • Xiaohui Cheng and
  • Nan Xiao

24 October 2022

Supervised image denoising methods based on deep neural networks require a large amount of noisy-clean or noisy image pairs for network training. Thus, their performance drops drastically when the given noisy image is significantly different from the...

  • Article
  • Open Access
12 Citations
4,903 Views
24 Pages

A Deep Learning Lidar Denoising Approach for Improving Atmospheric Feature Detection

  • Patrick Selmer,
  • John E. Yorks,
  • Edward P. Nowottnick,
  • Amanda Cresanti and
  • Kenneth E. Christian

26 July 2024

Space-based atmospheric backscatter lidars provide critical information about the vertical distribution of clouds and aerosols, thereby improving our understanding of the climate system. They are additionally useful for detecting hazards to aviation...

  • Article
  • Open Access
6 Citations
2,571 Views
19 Pages

Robust Hyperspectral Unmixing with Practical Learning-Based Hyperspectral Image Denoising

  • Risheng Huang,
  • Xiaorun Li,
  • Yiming Fang,
  • Zeyu Cao and
  • Chaoqun Xia

15 February 2023

The noise corruption problem commonly exists in hyperspectral images (HSIs) and severely affects the accuracy of hyperspectral unmixing algorithms. The noise formulation existing in HSIs is relatively complex and would change in conjunction with diff...

  • Article
  • Open Access
23 Citations
5,268 Views
18 Pages

26 October 2021

The lidar is susceptible to the dark current of the detector and the background light during the measuring process, which results in a significant amount of noise in the lidar return signal. To reduce noise, a novel denoising method based on the conv...

  • Article
  • Open Access
14 Citations
6,028 Views
20 Pages

Image Denoising Using Hybrid Deep Learning Approach and Self-Improved Orca Predation Algorithm

  • Rusul Sabah Jebur,
  • Mohd Hazli Bin Mohamed Zabil,
  • Dalal Abdulmohsin Hammood,
  • Lim Kok Cheng and
  • Ali Al-Naji

Image denoising is a critical task in computer vision aimed at removing unwanted noise from images, which can degrade image quality and affect visual details. This study proposes a novel approach that combines deep hybrid learning with the Self-Impro...

  • Article
  • Open Access
17 Citations
5,987 Views
18 Pages

Aerial images are subject to various types of noise, which restricts the recognition and analysis of images, target monitoring, and search services. At present, deep learning is successful in image recognition. However, traditional convolutional neur...

  • Article
  • Open Access
4 Citations
2,265 Views
20 Pages

Remote Sensing Image Denoising Based on Feature Interaction Complementary Learning

  • Shaobo Zhao,
  • Youqiang Dong,
  • Xi Cheng,
  • Yu Huo,
  • Min Zhang and
  • Hai Wang

14 October 2024

Optical remote sensing images are of considerable significance in a plethora of applications, including feature recognition and scene semantic segmentation. However, the quality of remote sensing images is compromised by the influence of various type...

  • Article
  • Open Access
9 Citations
2,498 Views
33 Pages

Enhancing Medical Image Quality Using Fractional Order Denoising Integrated with Transfer Learning

  • Abirami Annadurai,
  • Vidhushavarshini Sureshkumar,
  • Dhayanithi Jaganathan and
  • Seshathiri Dhanasekaran

In medical imaging, noise can significantly obscure critical details, complicating diagnosis and treatment. Traditional denoising techniques often struggle to maintain a balance between noise reduction and detail preservation. To address this challen...

  • Article
  • Open Access
1 Citations
1,302 Views
17 Pages

2 October 2025

Deep learning algorithms have significantly reduced the computational time and improved the spatial resolution of particle image velocimetry (PIV). However, the models trained on synthetic datasets might have degraded performances on practical partic...

  • Article
  • Open Access
3 Citations
1,996 Views
21 Pages

JointNet: Multitask Learning Framework for Denoising and Detecting Anomalies in Hyperspectral Remote Sensing

  • Yingzhao Shao,
  • Shuhan Li,
  • Pengfei Yang,
  • Fei Cheng,
  • Yueli Ding and
  • Jianguo Sun

17 July 2024

One of the significant challenges with traditional single-task learning-based anomaly detection using noisy hyperspectral images (HSIs) is the loss of anomaly targets during denoising, especially when the noise and anomaly targets are similar. This i...

  • Article
  • Open Access
9 Citations
2,747 Views
17 Pages

22 July 2022

Objective: This study aimed to investigate the segmentation accuracy of organs at risk (OARs) when denoised computed tomography (CT) images are used as input data for a deep-learning-based auto-segmentation framework. Methods: We used non-contrast en...

  • Article
  • Open Access
4 Citations
3,183 Views
16 Pages

20 December 2022

Deep learning technology dominates current research in image denoising. However, denoising performance is limited by target noise feature loss from information propagation in association with the depth of the network. This paper proposes a Dense Resi...

  • Article
  • Open Access
6 Citations
3,383 Views
19 Pages

Cross-Modal Guidance Assisted Hierarchical Learning Based Siamese Network for MR Image Denoising

  • Rabia Naseem,
  • Faouzi Alaya Cheikh,
  • Azeddine Beghdadi,
  • Khan Muhammad and
  • Muhammad Sajjad

19 November 2021

Cross-modal medical imaging techniques are predominantly being used in the clinical suite. The ensemble learning methods using cross-modal medical imaging adds reliability to several medical image analysis tasks. Motivated by the performance of deep...

  • Article
  • Open Access
15 Citations
5,203 Views
19 Pages

16 January 2024

Denoising is an integral part of the data pre-processing pipeline that often works in conjunction with model development for enhancing the quality of data, improving model accuracy, preventing overfitting, and contributing to the overall robustness o...

  • Article
  • Open Access
35 Citations
5,250 Views
17 Pages

A Machine-Learning Approach Combining Wavelet Packet Denoising with Catboost for Weather Forecasting

  • Dan Niu,
  • Li Diao,
  • Zengliang Zang,
  • Hongshu Che,
  • Tianbao Zhang and
  • Xisong Chen

4 December 2021

Accurate forecasting of future meteorological elements is critical and has profoundly affected human life in many aspects from rainstorm warning to flight safety. The conventional numerical weather prediction (NWP) sometimes leads to unsatisfactory p...

  • Article
  • Open Access
3 Citations
2,831 Views
12 Pages

Deep Learning-Based Denoising in Brain Tumor CHO PET: Comparison with Traditional Approaches

  • Yucheng Zhang,
  • Shuo Xu,
  • Hongjia Li,
  • Ziren Kong,
  • Xincheng Xiang,
  • Xin Cheng and
  • Shaoyan Liu

20 May 2022

18F-choline (CHO) PET image remains noisy despite minimum physiological activity in the normal brain, and this study developed a deep learning-based denoising algorithm for brain tumor CHO PET. Thirty-nine presurgical CHO PET/CT data were retrospecti...

  • Article
  • Open Access
2,566 Views
35 Pages

3 April 2025

Medical imaging is crucial for disease diagnosis, but noise in CT and MRI scans can obscure critical details, making accurate diagnosis challenging. Traditional denoising methods and deep learning techniques often produce overly smooth images that la...

  • Article
  • Open Access
20 Citations
4,817 Views
20 Pages

Image Denoising via Improved Dictionary Learning with Global Structure and Local Similarity Preservations

  • Shuting Cai,
  • Zhao Kang,
  • Ming Yang,
  • Xiaoming Xiong,
  • Chong Peng and
  • Mingqing Xiao

16 May 2018

We proposed a new efficient image denoising scheme, which leads to four important contributions. The first is to integrate both reconstruction and learning based approaches into a single model so that we are able to benefit advantages from both appro...

  • Article
  • Open Access
11 Citations
4,557 Views
19 Pages

The Impact of Resampling and Denoising Deep Learning Algorithms on Radiomics in Brain Metastases MRI

  • Ilyass Moummad,
  • Cyril Jaudet,
  • Alexis Lechervy,
  • Samuel Valable,
  • Charlotte Raboutet,
  • Zamila Soilihi,
  • Juliette Thariat,
  • Nadia Falzone,
  • Joëlle Lacroix and
  • Alain Batalla
  • + 1 author

22 December 2021

Background: Magnetic resonance imaging (MRI) is predominant in the therapeutic management of cancer patients, unfortunately, patients have to wait a long time to get an appointment for examination. Therefore, new MRI devices include deep-learning (DL...

  • Article
  • Open Access
1,357 Views
28 Pages

BA-ATEMNet: Bayesian Learning and Multi-Head Self-Attention for Theoretical Denoising of Airborne Transient Electromagnetic Signals

  • Weijie Wang,
  • Xuben Wang,
  • Xiaodong Yu,
  • Debiao Luo,
  • Xinyue Liu,
  • Kai Yang,
  • Wen Yang,
  • Xiaolan Yang,
  • Ke Hu and
  • Wenyi Hu

26 December 2024

Airborne transient electromagnetic (ATEM) surveys provide a fast, flexible approach for identifying conductive metal deposits across a variety of intricate terrains. Nonetheless, the secondary electromagnetic response signals captured by ATEM systems...

  • Article
  • Open Access
30 Citations
3,276 Views
13 Pages

Transfer Learning-Based Multi-Scale Denoising Convolutional Neural Network for Prostate Cancer Detection

  • Kwok Tai Chui,
  • Brij B. Gupta,
  • Hao Ran Chi,
  • Varsha Arya,
  • Wadee Alhalabi,
  • Miguel Torres Ruiz and
  • Chien-Wen Shen

28 July 2022

Background: Prostate cancer is the 4th most common type of cancer. To reduce the workload of medical personnel in the medical diagnosis of prostate cancer and increase the diagnostic accuracy in noisy images, a deep learning model is desired for pros...

  • Article
  • Open Access
1,125 Views
29 Pages

1 October 2025

Hyperspectral imaging (HSI) systems often suffer from complex noise degradation during the imaging process, significantly impacting downstream applications. Deep learning-based methods, though effective, rely on impractical paired training data, whil...

  • Feature Paper
  • Article
  • Open Access
7 Citations
3,682 Views
11 Pages

Noise2Clean: Cross-Device Side-Channel Traces Denoising with Unsupervised Deep Learning

  • Honggang Yu,
  • Mei Wang,
  • Xiyu Song,
  • Haoqi Shan,
  • Hongbing Qiu,
  • Junyi Wang and
  • Kaichen Yang

20 February 2023

Deep learning (DL)-based side-channel analysis (SCA) has posed a severe challenge to the security and privacy of embedded devices. During its execution, an attacker exploits physical SCA leakages collected from profiling devices to create a DL model...

  • Article
  • Open Access
11 Citations
4,138 Views
16 Pages

22 October 2020

Mixed Poisson–Gaussian noise exists in the star images and is difficult to be effectively suppressed via maximum likelihood estimation (MLE) method due to its complicated likelihood function. In this article, the MLE method is incorporated with...

  • Article
  • Open Access
4 Citations
3,144 Views
13 Pages

Deep Learning Denoising Improves and Homogenizes Patient [18F]FDG PET Image Quality in Digital PET/CT

  • Kathleen Weyts,
  • Elske Quak,
  • Idlir Licaj,
  • Renaud Ciappuccini,
  • Charline Lasnon,
  • Aurélien Corroyer-Dulmont,
  • Gauthier Foucras,
  • Stéphane Bardet and
  • Cyril Jaudet

Given the constant pressure to increase patient throughput while respecting radiation protection, global body PET image quality (IQ) is not satisfactory in all patients. We first studied the association between IQ and other variables, in particular b...

  • Article
  • Open Access
16 Citations
5,093 Views
17 Pages

A Deep Learning Approach for Rapid and Generalizable Denoising of Photon-Counting Micro-CT Images

  • Rohan Nadkarni,
  • Darin P. Clark,
  • Alex J. Allphin and
  • Cristian T. Badea

2 July 2023

Photon-counting CT (PCCT) is powerful for spectral imaging and material decomposition but produces noisy weighted filtered backprojection (wFBP) reconstructions. Although iterative reconstruction effectively denoises these images, it requires extensi...

  • Article
  • Open Access
4 Citations
2,014 Views
18 Pages

Water Quality Inversion Framework for Taihu Lake Based on Multilayer Denoising Autoencoder and Ensemble Learning

  • Zhihao Sun,
  • Liang Guo,
  • Zhe Tao,
  • Yana Li,
  • Yang Zhan,
  • Shuling Li and
  • Ying Zhao

23 December 2024

In river and lake ecosystem management, comprehensive water quality monitoring is crucial. Traditional in situ water quality monitoring is costly, and it is challenging to cover entire water bodies. Remote sensing imagery offers the possibility of ef...

  • Article
  • Open Access
5 Citations
4,082 Views
21 Pages

Depth Data Denoising in Optical Laser Based Sensors for Metal Sheet Flatness Measurement: A Deep Learning Approach

  • Marcos Alonso,
  • Daniel Maestro,
  • Alberto Izaguirre,
  • Imanol Andonegui and
  • Manuel Graña

23 October 2021

Surface flatness assessment is necessary for quality control of metal sheets manufactured from steel coils by roll leveling and cutting. Mechanical-contact-based flatness sensors are being replaced by modern laser-based optical sensors that deliver a...

  • Article
  • Open Access
4 Citations
2,161 Views
15 Pages

Gaining the ability to audit the behavior of deep learning (DL) denoising models is of crucial importance to prevent potential hallucinations and adversarial clinical consequences. We present a preliminary version of AntiHalluciNet, which is designed...

  • Article
  • Open Access
1 Citations
1,950 Views
27 Pages

Accurate state of charge (SOC) estimation is key for the efficient management of lithium–ion (Li-ion) batteries, yet is often compromised by noise levels in measurement data. This study introduces a new approach that uses wavelet denoising with...

  • Article
  • Open Access
128 Citations
13,102 Views
17 Pages

Deep Learning-Based Stacked Denoising and Autoencoder for ECG Heartbeat Classification

  • Siti Nurmaini,
  • Annisa Darmawahyuni,
  • Akhmad Noviar Sakti Mukti,
  • Muhammad Naufal Rachmatullah,
  • Firdaus Firdaus and
  • Bambang Tutuko

The electrocardiogram (ECG) is a widely used, noninvasive test for analyzing arrhythmia. However, the ECG signal is prone to contamination by different kinds of noise. Such noise may cause deformation on the ECG heartbeat waveform, leading to cardiol...

  • Article
  • Open Access
13 Citations
5,194 Views
26 Pages

17 October 2016

During the acquisition process hyperspectral images (HSI) are inevitably corrupted by various noises, which greatly influence their visual impression and subsequent applications. In this paper, a novel Bayesian approach integrating hierarchical spars...

  • Article
  • Open Access
312 Views
21 Pages

31 December 2025

To address the prevalent noise issue in images generated by HumanNeRF, this paper proposes an image denoising method that combines self-supervised contrastive learning and Generative Adversarial Networks (GANs). While HumanNeRF excels in realistic 3D...

  • Article
  • Open Access
2,643 Views
25 Pages

Engineers have consistently prioritized the maintenance of structural serviceability and safety. Recent strides in design codes, computational tools, and Structural Health Monitoring (SHM) have sought to address these concerns. On the other hand, the...

  • Article
  • Open Access
454 Views
26 Pages

A Deep Learning Approach to Lidar Signal Denoising and Atmospheric Feature Detection

  • Joseph Gomes,
  • Matthew J. McGill,
  • Patrick A. Selmer and
  • Shi Kuang

18 December 2025

Laser-based remote sensing (lidar) is a proven technique for detecting atmospheric features such as clouds and aerosols as well as for determining their vertical distribution with high accuracy. Even simple elastic backscatter lidars can distinguish...

  • Article
  • Open Access
734 Views
24 Pages

23 November 2025

Wearable ECG monitoring devices have become indispensable in personalized healthcare. However, dynamic signal acquisition during daily activities often introduces transient noise, which complicates signal classification and denoising, and may comprom...

  • Article
  • Open Access
49 Citations
5,665 Views
13 Pages

12 June 2020

This paper presents a new processing method for denoising interferograms obtained by digital holographic speckle pattern interferometry (DHSPI) to serve in the structural diagnosis of artworks. DHSPI is a non-destructive and non-contact imaging metho...

  • Article
  • Open Access
8 Citations
2,279 Views
20 Pages

27 June 2023

The gearbox is one of the key components of many large mechanical transmission devices. Due to the complex working environment, the vibration signal stability of the gear box is poor, the fault feature extraction is difficult, and the fault diagnosis...

  • Article
  • Open Access
1,129 Views
15 Pages

21 February 2025

High-resolution lunar gravity anomaly data are of great significance for the study of the lunar crust and lithosphere structure, asymmetric thermal evolution, impact basin subsurface structure and mass tumor genesis, breccia, and magmatism. However,...

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