Skip to Content

199 Results Found

  • Article
  • Open Access
3 Citations
3,806 Views
19 Pages

23 December 2021

To provide more external knowledge for training self-supervised learning (SSL) algorithms, this paper proposes a maximum mean discrepancy-based SSL (MMD-SSL) algorithm, which trains a well-performing classifier by iteratively refining the classifier...

  • Article
  • Open Access
9 Citations
4,322 Views
13 Pages

Automatic modulation classification plays a significant role in numerous military and civilian applications. Deep learning methods have attracted increasing attention and achieved remarkable success in recent years. However, few methods can generaliz...

  • Article
  • Open Access
7 Citations
6,239 Views
16 Pages

14 September 2020

Generative adversarial networks (GANs) have a revolutionary influence on sample generation. Maximum mean discrepancy GANs (MMD-GANs) own competitive performance when compared with other GANs. However, the loss function of MMD-GANs is an empirical est...

  • Communication
  • Open Access
5 Citations
3,360 Views
8 Pages

24 January 2020

The analysis of chaotic time series is usually a challenging task due to its complexity. In this communication, a method of complex network construction is proposed for univariate chaotic time series, which provides a novel way to analyze time series...

  • Article
  • Open Access
15 Citations
4,028 Views
26 Pages

4 June 2023

Detecting sparse, small, lost persons with only a few pixels in high-resolution aerial images was, is, and remains an important and difficult mission, in which a vital role is played by accurate monitoring and intelligent co-rescuing for the search a...

  • Feature Paper
  • Article
  • Open Access
3,915 Views
21 Pages

21 October 2023

With the development of modern data collection techniques, researchers often encounter high-dimensional data across various research fields. An important problem is to determine whether several groups of these high-dimensional data originate from the...

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

Aero-Engine Remaining Useful Life Prediction Based on Bi-Discrepancy Network

  • Nachuan Liu,
  • Xiaofeng Zhang,
  • Jiansheng Guo and
  • Songyi Chen

29 November 2023

Most unsupervised domain adaptation (UDA) methods align feature distributions across different domains through adversarial learning. However, many of them require introducing an auxiliary domain alignment model, which incurs additional computational...

  • Article
  • Open Access
2 Citations
2,174 Views
18 Pages

The capacity of Lithium-ion batteries degrades over the time, making accurate prediction of their Remaining Useful Life (RUL) crucial for maintenance and product lifespan design. However, diverse aging mechanisms, changing working conditions and cell...

  • Article
  • Open Access
9 Citations
2,271 Views
18 Pages

22 November 2022

Building electricity load forecasting plays an important role in building energy management, peak demand and power grid security. In the past two decades, a large number of data-driven models have been applied to building and larger-scale energy cons...

  • Article
  • Open Access
1 Citations
2,983 Views
15 Pages

14 November 2023

The primary challenge in unsupervised learning is training unnormalized density models and then generating similar samples. Few traditional unnormalized models know what the quality of the trained model is, as most models are evaluated by downstream...

  • Article
  • Open Access
4 Citations
3,246 Views
17 Pages

27 January 2023

Visible-infrared person re-identification (VIPR) has great potential for intelligent transportation systems for constructing smart cities, but it is challenging to utilize due to the huge modal discrepancy between visible and infrared images. Althoug...

  • Article
  • Open Access
4 Citations
2,269 Views
17 Pages

Discriminative Sparse Filtering for Multi-Source Image Classification

  • Chao Han,
  • Deyun Zhou,
  • Zhen Yang,
  • Yu Xie and
  • Kai Zhang

16 October 2020

Distribution mismatch caused by various resolutions, backgrounds, etc. can be easily found in multi-sensor systems. Domain adaptation attempts to reduce such domain discrepancy by means of different measurements, e.g., maximum mean discrepancy (MMD)....

  • Article
  • Open Access
234 Views
17 Pages

Nonintrusive Load Monitoring (NILM) models often suffer from significant performance degradation when deployed across different households and datasets, primarily because of distribution discrepancies. To address this challenge, this study proposes a...

  • Article
  • Open Access
5 Citations
3,640 Views
26 Pages

23 September 2021

Understanding how two datasets differ can help us determine whether one dataset under-represents certain sub-populations, and provides insights into how well models will generalize across datasets. Representative points selected by a maximum mean dis...

  • Article
  • Open Access
13 Citations
3,042 Views
22 Pages

9 February 2023

Lamb wave-based damage detection technology shows great potential for structural integrity assessment. However, conventional damage features based damage detection methods and data-driven intelligent damage detection methods highly rely on expert kno...

  • Article
  • Open Access
14 Citations
4,184 Views
19 Pages

17 November 2023

The Intelligent Fault Diagnosis of rotating machinery calls for a substantial amount of training data, posing challenges in acquiring such data for damaged industrial machinery. This paper presents a novel approach for generating synthetic data using...

  • Article
  • Open Access
3 Citations
2,629 Views
24 Pages

Multi-UAV Cooperative Pursuit of a Fast-Moving Target UAV Based on the GM-TD3 Algorithm

  • Yaozhong Zhang,
  • Meiyan Ding,
  • Yao Yuan,
  • Jiandong Zhang,
  • Qiming Yang,
  • Guoqing Shi,
  • Frank Jiang and
  • Meiqu Lu

8 October 2024

Recently, developing multi-UAVs to cooperatively pursue a fast-moving target has become a research hotspot in the current world. Although deep reinforcement learning (DRL) has made a lot of achievements in the UAV pursuit game, there are still some p...

  • Letter
  • Open Access
54 Citations
5,655 Views
17 Pages

Well Logging Based Lithology Identification Model Establishment Under Data Drift: A Transfer Learning Method

  • Haining Liu,
  • Yuping Wu,
  • Yingchang Cao,
  • Wenjun Lv,
  • Hongwei Han,
  • Zerui Li and
  • Ji Chang

29 June 2020

Recent years have witnessed the development of the applications of machine learning technologies to well logging-based lithology identification. Most of the existing work assumes that the well loggings gathered from different wells share the same pro...

  • Article
  • Open Access
3 Citations
2,255 Views
14 Pages

Pathological Voice Detection Using Joint Subsapce Transfer Learning

  • Yihua Zhang,
  • Jinyang Qian,
  • Xiaojun Zhang,
  • Yishen Xu and
  • Zhi Tao

14 August 2022

A pathological voice detection system is designed to detect pathological characteristics of vocal cords from speech. Such systems are particularly susceptible to domain mismatch where the training and testing data come from the source and target doma...

  • Article
  • Open Access
361 Citations
18,256 Views
15 Pages

On Wasserstein Two-Sample Testing and Related Families of Nonparametric Tests

  • Aaditya Ramdas,
  • Nicolás García Trillos and
  • Marco Cuturi

26 January 2017

Nonparametric two-sample or homogeneity testing is a decision theoretic problem that involves identifying differences between two random variables without making parametric assumptions about their underlying distributions. The literature is old and r...

  • Article
  • Open Access
392 Views
24 Pages

30 January 2026

Rolling bearings are critical components in industrial machinery, and their failures can lead to equipment downtime or safety hazards, making accurate fault diagnosis vital. While data-driven intelligent methods perform well with sufficient labeled d...

  • Article
  • Open Access
1 Citations
2,725 Views
23 Pages

MeTa Learning-Based Optimization of Unsupervised Domain Adaptation Deep Networks

  • Hsiau-Wen Lin,
  • Trang-Thi Ho,
  • Ching-Ting Tu,
  • Hwei-Jen Lin and
  • Chen-Hsiang Yu

10 January 2025

This paper introduces a novel unsupervised domain adaptation (UDA) method, MeTa Discriminative Class-Wise MMD (MCWMMD), which combines meta-learning with a Class-Wise Maximum Mean Discrepancy (MMD) approach to enhance domain adaptation. Traditional M...

  • Article
  • Open Access
3 Citations
3,142 Views
17 Pages

9 February 2024

Generative models have gained significant attention in recent years. They are increasingly used to estimate the underlying structure of high-dimensional data and artificially generate various kinds of data similar to those from the real world. The pe...

  • Article
  • Open Access
698 Views
29 Pages

Wind Power Prediction Method Based on Physics-Guided Fusion and Distribution Constraints

  • Wenbin Zheng,
  • Jiaojiao Yin,
  • Zhiwei Wang,
  • Huijie Sun and
  • Letian Bai

10 December 2025

Accurate wind power prediction is of great significance for grid stability and renewable energy integration. Addressing the challenge of effectively integrating physical mechanisms with data-driven methods in wind power prediction, this paper innovat...

  • Article
  • Open Access
11 Citations
2,681 Views
17 Pages

23 April 2022

Ship recognition is a fundamental and essential step in maritime activities, and it can be widely used in maritime rescue, vessel management, and other applications. However, most studies conducted in this area use synthetic aperture radar (SAR) imag...

  • Article
  • Open Access
5 Citations
3,004 Views
21 Pages

31 August 2022

A brain-computer interface (BCI) translates a user’s thoughts such as motor imagery (MI) into the control of external devices. However, some people, who are defined as BCI illiteracy, cannot control BCI effectively. The main characteristics of...

  • Article
  • Open Access
2 Citations
2,231 Views
13 Pages

Variable-condition fish recognition is a type of cross-scene and cross-camera fish re-identification (re-ID) technology. Due to the difference in the domain distribution of fish images collected under different culture conditions, the available train...

  • Article
  • Open Access
946 Views
27 Pages

An Intelligent Bearing Fault Transfer Diagnosis Method Based on Improved Domain Adaption

  • Jinli Che,
  • Liqing Fang,
  • Qiao Ma,
  • Guibo Yu,
  • Xiaoting Sun and
  • Xiujie Zhu

20 November 2025

Aiming to tackle the challenge of feature transfer in cross-domain fault diagnosis for rolling bearings, an enhanced domain adaptation-based intelligent fault diagnosis method is proposed. This method systematically combines multi-layer multi-core MM...

  • Article
  • Open Access
1 Citations
1,979 Views
24 Pages

20 October 2023

Wireless charger production is critical to energy storage, and effective fault diagnosis of bearings and gears is essential to ensure wireless charging performance with high efficiency, high tolerance to misalignment, and thermal safety. As minor fau...

  • Article
  • Open Access
7 Citations
2,377 Views
30 Pages

11 February 2023

The data distribution of the vibration signal under different speed conditions of the gearbox is different, which leads to reduced accuracy of fault diagnosis. In this regard, this paper proposes a deep transfer fault diagnosis algorithm combining ad...

  • Article
  • Open Access
4,440 Views
15 Pages

14 December 2017

In the Bayesian framework, the usual choice of prior in the prediction of homogeneous Poisson processes with random effects is the gamma one. Here, we propose the use of higher order maximum entropy priors. Their advantage is illustrated in a simulat...

  • Article
  • Open Access
4 Citations
2,508 Views
14 Pages

Deep Transfer Learning Method Based on Automatic Domain Alignment and Moment Matching

  • Jingui Zhang,
  • Chuangji Meng,
  • Cunlu Xu,
  • Jingyong Ma and
  • Wei Su

21 July 2022

Domain discrepancy is a key research problem in the field of deep domain adaptation. Two main strategies are used to reduce the discrepancy: the parametric method and the nonparametric method. Both methods have achieved good results in practical appl...

  • Article
  • Open Access
5 Citations
3,945 Views
12 Pages

A New Method of Image Classification Based on Domain Adaptation

  • Fangwen Zhao,
  • Weifeng Liu and
  • Chenglin Wen

9 February 2022

Deep neural networks can learn powerful representations from massive amounts of labeled data; however, their performance is unsatisfactory in the case of large samples and small labels. Transfer learning can bridge between a source domain with rich s...

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

Transfer Convolutional Neural Network for Cross-Project Defect Prediction

  • Shaojian Qiu,
  • Hao Xu,
  • Jiehan Deng,
  • Siyu Jiang and
  • Lu Lu

29 June 2019

Cross-project defect prediction (CPDP) is a practical solution that allows software defect prediction (SDP) to be used earlier in the software lifecycle. With the CPDP technique, the software defect predictor trained by labeled data of mature project...

  • Article
  • Open Access
7 Citations
6,426 Views
14 Pages

An Analysis of the Discrepancies between MODIS and INSAT-3D LSTs in High Temperatures

  • Seyed Kazem Alavipanah,
  • Qihao Weng,
  • Mehdi Gholamnia and
  • Reza Khandan

5 April 2017

In many disciplines, knowledge on the accuracy of Land Surface Temperature (LST) as an input is of great importance. One of the most efficient methods in LST evaluation is cross validation. Well-documented and validated polar satellites with a high s...

  • Article
  • Open Access
1,953 Views
15 Pages

Accuracy Assessment of 3D-Printed Surgical Guides for Palatal Miniscrew Placement: A Retrospective Study

  • Angela Mirea Bellocchio,
  • Elia Ciancio,
  • Serena Barbera,
  • Domenico Aiello,
  • Marco Portelli,
  • Angela Militi and
  • Riccardo Nucera

13 July 2025

Background: The aim of this retrospective study was to conduct an in vivo evaluation of the accuracy of surgical guides obtained via 3D printing technology that were used to transfer the 3D software-planned position and axis during palatal miniscrew...

  • Article
  • Open Access
1 Citations
1,824 Views
14 Pages

15 November 2022

For the detection of incipient interturn short-circuit (IITSC) faults of machines without shutting them down, there are still shortcomings of insufficient incipient fault features and a high false alarm rate. This is especially the case for dual thre...

  • Article
  • Open Access
9 Citations
3,888 Views
18 Pages

10 February 2023

With the development of science and technology, hyperspectral image (HSI) classification has been studied in depth by researchers as one of the important means of human cognition in living environments and the exploration of surface information. Neve...

  • Article
  • Open Access
7 Citations
2,848 Views
26 Pages

15 December 2023

Due to their unique structural design, portal cranes have been extensively utilized in bulk cargo and container terminals. The bearing fault of their drive motors is a critical issue that significantly impacts their operational efficiency. Moreover,...

  • Article
  • Open Access
3 Citations
1,635 Views
24 Pages

Research on Unsupervised Domain Adaptive Bearing Fault Diagnosis Method Based on Migration Learning Using MSACNN-IJMMD-DANN

  • Xiaoxu Li,
  • Jiahao Wang,
  • Jianqiang Wang,
  • Jixuan Wang,
  • Qinghua Li,
  • Xuelian Yu and
  • Jiaming Chen

17 July 2025

To address the problems of feature extraction, cost of obtaining labeled samples, and large differences in domain distribution in bearing fault diagnosis on variable operating conditions, an unsupervised domain-adaptive bearing fault diagnosis method...

  • Article
  • Open Access
9 Citations
2,736 Views
18 Pages

13 March 2023

Intelligent fault diagnosis of roller bearings is facing two important problems, one is that train and test datasets have the same distribution, and the other is the installation positions of accelerometer sensors are limited in industrial environmen...

  • Article
  • Open Access
1,325 Views
15 Pages

Impact of Ocean Sound Speed Horizontal Gradient on Global Navigation Satellite System–Acoustic Precise Seafloor Positioning

  • Yang Liu,
  • Tianjie Shi,
  • Yanxiong Liu,
  • Shengli Wang,
  • Guanxu Chen,
  • Menghao Li,
  • Qiuhua Tang and
  • Yikai Feng

15 February 2025

Global Navigation Satellite System–Acoustic ranging (GNSS-A) technology can achieve centimeter-level seafloor positioning. However, the horizontal gradient of ocean sound speed limits the seafloor positioning accuracy of GNSS-A. This paper eval...

  • Article
  • Open Access
637 Views
29 Pages

26 September 2025

Rolling bearings are essential for modern mechanical equipment and serve in various operational environments. This paper addresses the challenge of vibration data discrepancies in bearings across different operating conditions, which often results in...

  • Article
  • Open Access
15 Citations
4,719 Views
22 Pages

30 June 2024

Domain adaptation techniques are crucial for addressing the discrepancies between training and testing data distributions caused by varying operational conditions in practical bearing fault diagnosis. However, transfer fault diagnosis faces significa...

  • Letter
  • Open Access
50 Citations
7,056 Views
13 Pages

17 April 2020

The credible urban heat island (UHI) trend is crucial for assessing the effects of urbanization on climate. Land surface temperature (LST) and near surface air temperature (SAT) have been extensively used to obtain UHI intensities. However, the consi...

  • Article
  • Open Access
40 Citations
6,562 Views
16 Pages

9 May 2021

Remote sensing has frequently been employed to monitor extreme climatic events, especially droughts, by identifying the anomalies of vegetation activity from the regional to global scale. However, limited research has addressed the performance of rem...

  • Article
  • Open Access
7 Citations
3,507 Views
16 Pages

Domain Adaptation Network with Double Adversarial Mechanism for Intelligent Fault Diagnosis

  • Kun Xu,
  • Shunming Li,
  • Ranran Li,
  • Jiantao Lu,
  • Xianglian Li and
  • Mengjie Zeng

28 August 2021

Due to the mechanical equipment working under variable speed and load for a long time, the distribution of samples is different (domain shift). The general intelligent fault diagnosis method has a good diagnostic effect only on samples with the same...

  • Article
  • Open Access
7 Citations
6,565 Views
17 Pages

Airline Sustainability Modeling: A New Framework with Application of Bayesian Structural Equation Modeling

  • Hashem Salarzadeh Jenatabadi,
  • Peyman Babashamsi,
  • Datis Khajeheian and
  • Nader Seyyed Amiri

22 November 2016

There are many factors which could influence the sustainability of airlines. The main purpose of this study is to introduce a framework for a financial sustainability index and model it based on structural equation modeling (SEM) with maximum likelih...

  • Article
  • Open Access
22 Citations
4,564 Views
17 Pages

23 October 2020

Data-driven bearing-fault diagnosis methods have become a research hotspot recently. These methods have to meet two premises: (1) the distributions of the data to be tested and the training data are the same; (2) there are a large number of high-qual...

  • Article
  • Open Access
17 Citations
6,962 Views
23 Pages

Climate during the Last Glacial Maximum in the Northern Sawatch Range, Colorado, USA

  • Keith A. Brugger,
  • Chester A. Ruleman,
  • Marc W. Caffee and
  • Cody C. Mason

31 October 2019

Temperature-index modeling is used to determine the magnitude of temperature depression in the northern Sawatch Range required to maintain steady-state mass balances of six reconstructed glaciers at their extent during the local Last Glacial Maximum...

of 4