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118 Results Found

  • Article
  • Open Access
5 Citations
2,665 Views
15 Pages

Efficient Focus Autoencoders for Fast Autonomous Flight in Intricate Wild Scenarios

  • Kaiyu Hu,
  • Huanlin Li,
  • Jiafan Zhuang,
  • Zhifeng Hao and
  • Zhun Fan

27 September 2023

The autonomous navigation of aerial robots in unknown and complex outdoor environments is a challenging problem that typically requires planners to generate collision-free trajectories based on human expert rules for fast navigation. Presently, aeria...

  • Article
  • Open Access
9 Citations
3,179 Views
17 Pages

16 August 2024

Emotion recognition plays an increasingly important role in today’s society and has a high social value. However, current emotion recognition technology faces the problems of insufficient feature extraction and imbalanced samples when processin...

  • Review
  • Open Access
222 Citations
45,217 Views
54 Pages

7 April 2023

Deep learning, which is a subfield of machine learning, has opened a new era for the development of neural networks. The auto-encoder is a key component of deep structure, which can be used to realize transfer learning and plays an important role in...

  • Article
  • Open Access
9 Citations
4,369 Views
17 Pages

Rapid growth in molecular structure data is renewing interest in featurizing structure. Featurizations that retain information on biological activity are particularly sought for protein molecules, where decades of research have shown that indeed stru...

  • Article
  • Open Access
11 Citations
3,950 Views
15 Pages

Detection of Forest Fires through Deep Unsupervised Learning Modeling of Sentinel-1 Time Series

  • Thomas Di Martino,
  • Bertrand Le Saux,
  • Régis Guinvarc’h,
  • Laetitia Thirion-Lefevre and
  • Elise Colin

With an increase in the amount of natural disasters, the combined use of cloud-penetrating Synthetic Aperture Radar and deep learning becomes unavoidable for their monitoring. This article proposes a methodology for forest fire detection using unsupe...

  • Article
  • Open Access
242 Views
27 Pages

Deep Learning-Based 3D Reconstruction for Defect Detection in Shipbuilding Sub-Assemblies

  • Paula Arcano-Bea,
  • Agustín García-Fischer,
  • Pedro-Pablo Gómez-González,
  • Francisco Zayas-Gato,
  • José Luis Calvo-Rolle and
  • Héctor Quintián

19 January 2026

Overshooting defects in shipbuilding subassemblies are essential to ensure the final product’s overall integrity and safety. In this work, we focus on the automatic detection of overshooting defects in simple and T-shaped sub-assemblies by empl...

  • Article
  • Open Access
11 Citations
8,574 Views
21 Pages

Interest rates are representative indicators that reflect the degree of economic activity. The yield curve, which combines government bond interest rates by maturity, fluctuates to reflect various macroeconomic factors. Central bank monetary policy i...

  • Article
  • Open Access
268 Citations
19,909 Views
17 Pages

Conditional Variational Autoencoder for Prediction and Feature Recovery Applied to Intrusion Detection in IoT

  • Manuel Lopez-Martin,
  • Belen Carro,
  • Antonio Sanchez-Esguevillas and
  • Jaime Lloret

26 August 2017

The purpose of a Network Intrusion Detection System is to detect intrusive, malicious activities or policy violations in a host or host’s network. In current networks, such systems are becoming more important as the number and variety of attacks incr...

  • Article
  • Open Access
3 Citations
1,155 Views
21 Pages

20 April 2025

Community detection is particularly important in vehicular social networks because it helps identify closely connected groups of vehicles within the network. Community structures with overlapping relationships are identified through network topology...

  • Article
  • Open Access
8 Citations
4,376 Views
40 Pages

Self-Supervised Autoencoders for Visual Anomaly Detection

  • Alexander Bauer,
  • Shinichi Nakajima and
  • Klaus-Robert Müller

18 December 2024

We focus on detecting anomalies in images where the data distribution is supported by a lower-dimensional embedded manifold. Approaches based on autoencoders have aimed to control their capacity either by reducing the size of the bottleneck layer or...

  • Article
  • Open Access
1 Citations
3,347 Views
30 Pages

PCGen: A Fully Parallelizable Point Cloud Generative Model

  • Nicolas Vercheval,
  • Remco Royen,
  • Adrian Munteanu and
  • Aleksandra Pižurica

22 February 2024

Generative models have the potential to revolutionize 3D extended reality. A primary obstacle is that augmented and virtual reality need real-time computing. Current state-of-the-art point cloud random generation methods are not fast enough for these...

  • Article
  • Open Access
9 Citations
3,263 Views
17 Pages

Latent Dimensions of Auto-Encoder as Robust Features for Inter-Conditional Bearing Fault Diagnosis

  • Chandrakanth R. Kancharla,
  • Jens Vankeirsbilck,
  • Dries Vanoost,
  • Jeroen Boydens and
  • Hans Hallez

18 January 2022

Condition-based maintenance (CBM) is becoming a necessity in modern manufacturing units. Particular focus is given to predicting bearing conditions as they are known to be the major reason for machine down time. With the open-source availability of d...

  • Article
  • Open Access
2,758 Views
22 Pages

11 February 2022

Defect inspection is an important issue in the field of industrial automation. In general, defect-inspection methods can be categorized into supervised and unsupervised methods. When supervised learning is applied to defect inspection, the large vari...

  • Article
  • Open Access
23 Citations
3,737 Views
17 Pages

27 November 2019

Data-driven fault diagnosis is considered a modern technique in Industry 4.0. In the area of urban rail transit, researchers focus on the fault diagnosis of railway point machines as failures of the point machine may cause serious accidents, such as...

  • Review
  • Open Access
32 Citations
5,551 Views
14 Pages

A Survey of Autoencoder Algorithms to Pave the Diagnosis of Rare Diseases

  • David Pratella,
  • Samira Ait-El-Mkadem Saadi,
  • Sylvie Bannwarth,
  • Véronique Paquis-Fluckinger and
  • Silvia Bottini

8 October 2021

Rare diseases (RDs) concern a broad range of disorders and can result from various origins. For a long time, the scientific community was unaware of RDs. Impressive progress has already been made for certain RDs; however, due to the lack of sufficien...

  • Article
  • Open Access
611 Views
16 Pages

Shale Oil T2 Spectrum Inversion Method Based on Autoencoder and Fourier Transform

  • Jun Zhao,
  • Shixiang Jiao,
  • Li Bai,
  • Bing Xie,
  • Yan Chen,
  • Zhenguan Wu and
  • Shaomin Zhang

Accurate inversion of the T2 spectrum of shale oil reservoir fluids is crucial for reservoir evaluation. However, traditional nuclear magnetic resonance inversion methods face challenges in extracting features from multi-exponential decay signals. Th...

  • Article
  • Open Access
6 Citations
5,391 Views
23 Pages

Uncertainty-Aware Time Series Anomaly Detection

  • Paul Wiessner,
  • Grigor Bezirganyan,
  • Sana Sellami,
  • Richard Chbeir and
  • Hans-Joachim Bungartz

31 October 2024

Traditional anomaly detection methods in time series data often struggle with inherent uncertainties like noise and missing values. Indeed, current approaches mostly focus on quantifying epistemic uncertainty and ignore data-dependent uncertainty. Ho...

  • Article
  • Open Access
9 Citations
4,062 Views
14 Pages

17 April 2019

Given the issues relating to big data and privacy-preserving challenges, distributed data mining (DDM) has received much attention recently. Here, we focus on the clustering problem of distributed environments. Several distributed clustering algorith...

  • Article
  • Open Access
482 Views
21 Pages

A Robust 3D Fixed-Area Quality Inspection Framework for Production Lines

  • Haijian Li,
  • Kuangrong Hao,
  • Tao Zhuang,
  • Ping Zhang,
  • Bing Wei and
  • Xue-song Tang

15 October 2025

Introducing deep learning methods into the quality inspection of production lines can reduce labor and improve efficiency, with great potential for the development of manufacturing systems. However, in specific closed production-line environments, ro...

  • Article
  • Open Access
987 Views
15 Pages

30 October 2025

In cross-corpus scenarios, inappropriate feature-processing methods tend to cause the loss of key emotional information. Additionally, deep neural networks contain substantial redundancy, which triggers domain shift issues and impairs the generalizat...

  • Article
  • Open Access
5 Citations
2,378 Views
19 Pages

26 December 2024

Precision depth estimation plays a key role in many applications, including 3D scene reconstruction, virtual reality, autonomous driving and human–computer interaction. Through recent advancements in deep learning technologies, monocular depth...

  • Review
  • Open Access
2,189 Views
23 Pages

Application of Machine Learning and Deep Learning Techniques for Enhanced Insider Threat Detection in Cybersecurity: Bibliometric Review

  • Hillary Kwame Ofori,
  • Kwame Bell-Dzide,
  • William Leslie Brown-Acquaye,
  • Forgor Lempogo,
  • Samuel O. Frimpong,
  • Israel Edem Agbehadji and
  • Richard C. Millham

11 October 2025

Insider threats remain a persistent challenge in cybersecurity, as malicious or negligent insiders exploit legitimate access to compromise systems and data. This study presents a bibliometric review of 325 peer-reviewed publications from 2015 to 2025...

  • Extended Abstract
  • Open Access
6 Citations
2,169 Views
3 Pages

17 September 2018

Intrusion detection is a major necessity in current times. Computer systems are constantly being victims of malicious attacks. These attacks keep on exploring new technics that are undetected by current Intrusion Detection Systems (IDS), because most...

  • Article
  • Open Access
41 Citations
2,886 Views
19 Pages

Botnet Detection Employing a Dilated Convolutional Autoencoder Classifier with the Aid of Hybrid Shark and Bear Smell Optimization Algorithm-Based Feature Selection in FANETs

  • Nejood Faisal Abdulsattar,
  • Firas Abedi,
  • Hayder M. A. Ghanimi,
  • Sachin Kumar,
  • Ali Hashim Abbas,
  • Ali S. Abosinnee,
  • Ahmed Alkhayyat,
  • Mustafa Hamid Hassan and
  • Fatima Hashim Abbas

Flying ad hoc networks (FANETs) or drone technologies have attracted great focus recently because of their crucial implementations. Hence, diverse research has been performed on establishing FANET implementations in disparate disciplines. Indeed, civ...

  • Article
  • Open Access
2 Citations
4,471 Views
18 Pages

16 May 2024

A point cloud is a simple and concise 3D representation, but point cloud generation is a long-term challenging task in 3D vision. However, most existing methods only focus on their effectiveness of generation and auto-encoding separately. Furthermore...

  • Article
  • Open Access
2 Citations
1,792 Views
38 Pages

Deep Learning-Based Anomaly Detection in Occupational Accident Data Using Fractional Dimensions

  • Ömer Akgüller,
  • Larissa M. Batrancea,
  • Mehmet Ali Balcı,
  • Gökhan Tuna and
  • Anca Nichita

This study examines the effectiveness of Convolutional Autoencoder (CAE) and Variational Autoencoder (VAE) models in detecting anomalies within occupational accident data from the Mining of Coal and Lignite (NACE05), Manufacture of Other Transport Eq...

  • Article
  • Open Access
13 Citations
2,684 Views
22 Pages

27 October 2023

In recent times, there has been considerable focus on harnessing artificial intelligence (AI) for medical image analysis and healthcare purposes. In this study, we introduce CADFU (Computer-Aided Diagnosis System for Foot Ulcers), a pioneering diabet...

  • Article
  • Open Access
2 Citations
2,035 Views
14 Pages

19 November 2024

With the continuous development of network security situations, the types of attacks increase sharply, but can be divided into symmetric attacks and asymmetric attacks. Symmetric attacks such as phishing and DDoS attacks exploit fixed patterns, resul...

  • Article
  • Open Access
6 Citations
5,269 Views
14 Pages

Anomaly Detection in Fractal Time Series with LSTM Autoencoders

  • Lyudmyla Kirichenko,
  • Yulia Koval,
  • Sergiy Yakovlev and
  • Dmytro Chumachenko

1 October 2024

This study explores the application of neural networks for anomaly detection in time series data exhibiting fractal properties, with a particular focus on changes in the Hurst exponent. The objective is to investigate whether changes in fractal prope...

  • Article
  • Open Access
13 Citations
3,906 Views
16 Pages

Vibration Fault Detection in Wind Turbines Based on Normal Behaviour Models without Feature Engineering

  • Stefan Jonas,
  • Dimitrios Anagnostos,
  • Bernhard Brodbeck and
  • Angela Meyer

10 February 2023

Most wind turbines are remotely monitored 24/7 to allow for early detection of operation problems and developing damage. We present a new fault detection approach for vibration-monitored drivetrains that does not require any feature engineering. Our...

  • Article
  • Open Access
26 Citations
6,112 Views
34 Pages

Unified Probabilistic Deep Continual Learning through Generative Replay and Open Set Recognition

  • Martin Mundt,
  • Iuliia Pliushch,
  • Sagnik Majumder,
  • Yongwon Hong and
  • Visvanathan Ramesh

Modern deep neural networks are well known to be brittle in the face of unknown data instances and recognition of the latter remains a challenge. Although it is inevitable for continual-learning systems to encounter such unseen concepts, the correspo...

  • Article
  • Open Access
6 Citations
2,928 Views
26 Pages

24 November 2022

Prediction of remaining useful life is crucial for mechanical equipment operation and maintenance. It ensures safe equipment operation, reduces maintenance costs and economic losses, and promotes development. Most of the remaining useful life predict...

  • Article
  • Open Access
5 Citations
3,395 Views
18 Pages

Joint Cardiac T1 Mapping and Cardiac Cine Using Manifold Modeling

  • Qing Zou,
  • Sarv Priya,
  • Prashant Nagpal and
  • Mathews Jacob

The main focus of this work is to introduce a single free-breathing and ungated imaging protocol to jointly estimate cardiac function and myocardial T1 maps. We reconstruct a time series of images corresponding to k-space data from a free-breathing a...

  • Article
  • Open Access
1 Citations
1,822 Views
23 Pages

Machine Learning Techniques for Fault Detection in Smart Distribution Grids

  • Vishakh K. Hariharan,
  • Amritha Geetha,
  • Fabrizio Granelli and
  • Manjula G. Nair

29 September 2025

Fault detection is critical to the resilience and operational integrity of electrical power grids, particularly smart grids. In addition to requiring a lot of labeled data, traditional fault detection approaches have limited flexibility in handling u...

  • Article
  • Open Access
16 Citations
3,090 Views
15 Pages

Dynamic Simulation Model-Driven Fault Diagnosis Method for Bearing under Missing Fault-Type Samples

  • Junqing Ma,
  • Xingxing Jiang,
  • Baokun Han,
  • Jinrui Wang,
  • Zongzhen Zhang and
  • Huaiqian Bao

23 February 2023

Existing generative adversarial networks (GAN) have potential in data augmentation and in the intelligent fault diagnosis of bearings. However, most relevant studies only focus on the fault diagnosis of rotating machines with sufficient fault-type sa...

  • Article
  • Open Access
4 Citations
3,145 Views
18 Pages

1 August 2022

In recent years, human–computer interactions have begun to apply deep neural networks (DNNs), known as deep learning, to make them work more friendly. Nowadays, adversarial example attacks, poisoning attacks, and backdoor attacks are the typica...

  • Feature Paper
  • Article
  • Open Access
22 Citations
8,864 Views
23 Pages

Learned image reconstruction techniques using deep neural networks have recently gained popularity and have delivered promising empirical results. However, most approaches focus on one single recovery for each observation, and thus neglect informatio...

  • Article
  • Open Access
23 Citations
3,613 Views
23 Pages

Discrete Missing Data Imputation Using Multilayer Perceptron and Momentum Gradient Descent

  • Hu Pan,
  • Zhiwei Ye,
  • Qiyi He,
  • Chunyan Yan,
  • Jianyu Yuan,
  • Xudong Lai,
  • Jun Su and
  • Ruihan Li

28 July 2022

Data are a strategic resource for industrial production, and an efficient data-mining process will increase productivity. However, there exist many missing values in data collected in real life due to various problems. Because the missing data may re...

  • Feature Paper
  • Article
  • Open Access
7 Citations
3,694 Views
15 Pages

15 November 2022

Delamination is a typical defect of carbon fiber-reinforced composite laminates. Detecting delamination is very important in the performance of laminated composite structures. Structural Health Monitoring (SHM) methods using the latest sensors have b...

  • Proceeding Paper
  • Open Access
1 Citations
1,944 Views
3 Pages

On the Effectiveness of Convolutional Autoencoders on Image-Based Personalized Recommender Systems

  • Eva Blanco-Mallo,
  • Beatriz Remeseiro,
  • Verónica Bolón-Canedo and
  • Amparo Alonso-Betanzos

Over the years, the success of recommender systems has become remarkable. Due to the massive arrival of options that a consumer can have at his/her reach, a collaborative environment was generated, where users from all over the world seek and share t...

  • Article
  • Open Access
1 Citations
3,033 Views
14 Pages

10 June 2024

Enhancing the naturalness and rhythmicity of generated audio in end-to-end speech synthesis is crucial. The current state-of-the-art (SOTA) model, VITS, utilizes a conditional variational autoencoder architecture. However, it faces challenges, such a...

  • Technical Note
  • Open Access
2 Citations
2,088 Views
15 Pages

RANet: Relationship Attention for Hyperspectral Anomaly Detection

  • Yingzhao Shao,
  • Yunsong Li,
  • Li Li,
  • Yuanle Wang,
  • Yuchen Yang,
  • Yueli Ding,
  • Mingming Zhang,
  • Yang Liu and
  • Xiangqiang Gao

30 November 2023

Hyperspectral anomaly detection (HAD) is of great interest for unknown exploration. Existing methods only focus on local similarity, which may show limitations in detection performance. To cope with this problem, we propose a relationship attention-g...

  • Article
  • Open Access
1 Citations
1,421 Views
17 Pages

Advanced Deep Learning Framework for Predicting the Remaining Useful Life of Nissan Leaf Generation 01 Lithium-Ion Battery Modules

  • Shamaltha M. Wickramaarachchi,
  • S. A. Dewmini Suraweera,
  • D. M. Pasindu Akalanka,
  • V. Logeeshan and
  • Chathura Wanigasekara

The accurate estimation of the remaining useful life (RUL) of lithium-ion batteries (LIBs) is essential for ensuring safety and enabling effective battery health management systems. To address this challenge, data-driven solutions leveraging advanced...

  • Article
  • Open Access
35 Citations
5,131 Views
17 Pages

Unsupervised Damage Detection for Offshore Jacket Wind Turbine Foundations Based on an Autoencoder Neural Network

  • Maria del Cisne Feijóo,
  • Yovana Zambrano,
  • Yolanda Vidal and
  • Christian Tutivén

11 May 2021

Structural health monitoring for offshore wind turbine foundations is paramount to the further development of offshore fixed wind farms. At present time there are a limited number of foundation designs, the jacket type being the preferred one in larg...

  • Article
  • Open Access
15 Citations
4,341 Views
20 Pages

Policy-Gradient and Actor-Critic Based State Representation Learning for Safe Driving of Autonomous Vehicles

  • Abhishek Gupta,
  • Ahmed Shaharyar Khwaja,
  • Alagan Anpalagan,
  • Ling Guan and
  • Bala Venkatesh

22 October 2020

In this paper, we propose an environment perception framework for autonomous driving using state representation learning (SRL). Unlike existing Q-learning based methods for efficient environment perception and object detection, our proposed method ta...

  • Article
  • Open Access
2 Citations
2,456 Views
11 Pages

Drug Potency Prediction of SARS-CoV-2 Main Protease Inhibitors Based on a Graph Generative Model

  • Sarah Fadlallah,
  • Carme Julià,
  • Santiago García-Vallvé,
  • Gerard Pujadas and
  • Francesc Serratosa

The prediction of a ligand potency to inhibit SARS-CoV-2 main protease (M-pro) would be a highly helpful addition to a virtual screening process. The most potent compounds might then be the focus of further efforts to experimentally validate their po...

  • Review
  • Open Access
11 Citations
6,945 Views
20 Pages

Glaucoma is a leading cause of irreversible blindness, with challenges persisting in early diagnosis, disease progression, and surgical outcome prediction. Recent advances in artificial intelligence have enabled significant progress by extracting cli...

  • Article
  • Open Access
136 Citations
10,151 Views
14 Pages

22 February 2019

As energy demand grows globally, the energy management system (EMS) is becoming increasingly important. Energy prediction is an essential component in the first step to create a management plan in EMS. Conventional energy prediction models focus on p...

  • Article
  • Open Access
6 Citations
2,481 Views
11 Pages

17 February 2025

Addressing the noise in seismic signals, a prevalent challenge within seismic signal processing, has been the focus of extensive research. Conventional algorithms for seismic signal denoising often fall short due to their reliance on manually determi...

  • Article
  • Open Access
12 Citations
4,326 Views
19 Pages

Single-pixel imaging (SPI) is a promising imaging scheme based on compressive sensing. However, its application in high-resolution and real-time scenarios is a great challenge due to the long sampling and reconstruction required. The Deep Learning Co...

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