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3,626 Results Found

  • Article
  • Open Access
389 Views
14 Pages

21 September 2026

Background: Driving risk in older adults is multifactorial, and comprehensive on-road assessment is not always feasible in community practice. Although the Driving Risk Checklist-25 (DRCL-25) is easy to administer, interpretation based solely on the...

  • Article
  • Open Access
51 Citations
3,246 Views
18 Pages

17 August 2023

Here, a novel hybrid method of intelligent fault identification within complex mechanical systems was proposed using parallel-factor (PARAFAC) theory and adaptive particle swarm optimization (APSO) for a support vector machine (SVM). The parallel-fac...

(This article belongs to the Section Machines Testing and Maintenance)
  • Article
  • Open Access
3 Citations
3,673 Views
11 Pages

9 February 2023

The deep geothermal water found within Kaifeng City, Henan province, China, is mainly contained within a loose-pore geothermal reservoir in the Minghuazhen Formation (Neogene Period). To understand the role and composition of Dissolved Organic Matter...

(This article belongs to the Section Water Use and Scarcity)
  • Article
  • Open Access
11 Citations
2,491 Views
16 Pages

9 May 2024

Hill fires have the potential to influence dissolved organic matter (DOM) in water bodies, yet fewer studies have investigated the effects of hill fires on DOM within watersheds in karst areas. In this study, we employed the three-dimensional fluores...

  • Article
  • Open Access
88 Citations
10,665 Views
16 Pages

20 January 2014

This study aimed at monitoring the changes of fluorescent components in wastewater samples from 22 Korean biological wastewater treatment plants and exploring their prediction capabilities for total organic carbon (TOC), dissolved organic carbon (DOC...

(This article belongs to the Section Chemical Sensors)
  • Article
  • Open Access
20 Citations
6,978 Views
13 Pages

25 June 2015

The objectives of this study were to evaluate the binding behavior of Cu(II) and Eu(III) with water extractable organic matter (WEOM) in soil, and assess the competitive effect of the cations. Excitation-emission matrix (EEM) fluorescence spectrometr...

(This article belongs to the Special Issue Microbial Metabolism of Toxic Organic Pollutants and Transformation of Metals/Metalloids and Ecotoxicity Assessment)
  • Article
  • Open Access
1,337 Views
14 Pages

Enhanced Integer Factorization Method: Sequential and Parallel Approaches

  • Ehab T. Alnfrawy,
  • Hazem M. Bahig,
  • Hatem M. Bahig and
  • Reda Elbarougy

2 May 2026

Integer factorization plays a foundational role in asymmetric cryptography systems, notably the Rivest, Shamir, and Adleman (RSA) cryptosystem. This paper presents an improvement of the integer factorization from both sequential and parallel computat...

(This article belongs to the Special Issue Symmetry and Approximation Methods II)
  • Article
  • Open Access
1 Citations
2,435 Views
16 Pages

Parallel Factorization to Implement Group Analysis in Brain Networks Estimation

  • Andrea Ranieri,
  • Floriana Pichiorri,
  • Emma Colamarino,
  • Valeria de Seta and ,
  • Donatella Mattia and
  • Jlenia Toppi
  • + 1 author+ 0 author

3 February 2023

When dealing with complex functional brain networks, group analysis still represents an open issue. In this paper, we investigated the potential of an innovative approach based on PARAllel FActorization (PARAFAC) for the extraction of the grand avera...

(This article belongs to the Special Issue Biosignal Sensing Analysis (EEG, MEG, ECG, PPG))
  • Article
  • Open Access
13 Citations
3,837 Views
19 Pages

23 April 2019

Vibration analysis is one of the main effective ways for rolling bearing fault diagnosis, and a challenge is how to accurately separate the inner and outer race fault features from noisy compound faults signals. Therefore, a novel compound fault sepa...

(This article belongs to the Special Issue Fault Diagnosis of Rotating Machine)
  • Article
  • Open Access
2 Citations
1,593 Views
16 Pages

6 October 2025

With the rapid development of Internet of Vehicles (IoV) technology, massive data are continuously integrated into intelligent transportation systems, making efficient computing resource allocation a critical challenge for enhancing network performan...

(This article belongs to the Section Internet of Things)
  • Article
  • Open Access
1 Citations
3,033 Views
21 Pages

17 February 2025

This study explored the relationship between the Nusselt number and the friction factor in the laminar boundary slip flow of a Newtonian liquid between parallel plates. In addition, simplified equations were developed to estimate two key parameters&m...

  • Article
  • Open Access
10 Citations
2,803 Views
19 Pages

1 July 2020

In this paper, interactions of double parallel cracks were studied by performing experiments and numerical simulations. Fatigue crack propagation tests were carried out to measure crack growth rates in the specimens with double parallel cracks or a s...

  • Article
  • Open Access
7 Citations
3,322 Views
12 Pages

Efficient Twiddle Factor Generators for NTT

  • Nari Im,
  • Heehun Yang,
  • Yujin Eom,
  • Seong-Cheon Park and
  • Hoyoung Yoo

Fully Homomorphic Encryption (FHE) allows computations on encrypted data without decryption, providing strong security for sensitive information. However, computational and memory demands for FHE are significant challenges, particularly in the Number...

(This article belongs to the Section Circuit and Signal Processing)
  • Article
  • Open Access
16 Citations
3,033 Views
22 Pages

A New Algorithm for Computing Disjoint Orthogonal Components in the Parallel Factor Analysis Model with Simulations and Applications to Real-World Data

  • Carlos Martin-Barreiro,
  • John A. Ramirez-Figueroa,
  • Xavier Cabezas,
  • Victor Leiva and ,
  • Ana Martin-Casado and
  • M. Purificación Galindo-Villardón
  • + 1 author+ 0 author

26 August 2021

In this paper, we extend the use of disjoint orthogonal components to three-way table analysis with the parallel factor analysis model. Traditional methods, such as scaling, orthogonality constraints, non-negativity constraints, and sparse techniques...

(This article belongs to the Special Issue Bioinspired Intelligent Algorithms for Optimization, Modeling and Control: Theory and Applications)
  • Article
  • Open Access
5 Citations
2,294 Views
31 Pages

11 November 2025

This paper proposes a two-layer adaptive proportional–integral–derivative (PID) controller for precise pose control of a six-degree-of-freedom cable-driven parallel robot with eight cables, specifically designed to handle dynamic changes...

(This article belongs to the Special Issue Adaptive and Nonlinear Control of Robotics)
  • Article
  • Open Access
6 Citations
3,025 Views
19 Pages

Application of Parallel Factor Analysis (PARAFAC) to the Regional Characterisation of Vineyard Blocks Using Remote Sensing Time Series

  • Eva Lopez-Fornieles,
  • Guilhem Brunel,
  • Nicolas Devaux,
  • Jean-Michel Roger and ,
  • James Taylor and
  • Bruno Tisseyre
  • + 1 author+ 0 author

18 October 2022

Monitoring wine-growing regions and maximising the value of production based on their region/local specificities requires accurate spatial and temporal monitoring. The increasing amount and variability of information from remote sensing data is a pot...

(This article belongs to the Special Issue Use of Satellite Imagery in Agriculture)
  • Article
  • Open Access
15 Citations
3,918 Views
15 Pages

24 November 2020

Soil is one of the principal substrates of human life and can serve as a reservoir of water and nutrients. Humic substances, indicators of soil fertility, are dominant in soil organic matter. However, soil degradation has been occurring all over the...

(This article belongs to the Special Issue Soil Quality and Soil Management)
  • Article
  • Open Access
2 Citations
628 Views
20 Pages

Development and Application of a Terminal Rigidity Enhancement Methodology for Parallel Robots

  • Hanliang Fang,
  • Jianxin Lin,
  • Shuyi Ge,
  • Yuzhe Nie and ,
  • Jian Wang and
  • Jun Zhang
  • + 1 author+ 0 author

11 March 2026

Parallel robots are recognized as a promising solution for heavy-load and high-efficiency tasks in modern manufacturing systems. The terminal rigidity is a critical performance metric for parallel robots, significantly affecting their payload capacit...

(This article belongs to the Special Issue Design and Manufacture of Advanced Machines, Volume II)
  • Article
  • Open Access
23 Citations
7,631 Views
20 Pages

22 October 2016

The main aim of this study was the application of excitation-emission fluorescence matrices (EEMs) combined with two decomposition methods: parallel factor analysis (PARAFAC) and nonnegative matrix factorization (NMF) to study the interaction mechani...

(This article belongs to the Section Chemical Sensors)
  • Article
  • Open Access
1 Citations
1,145 Views
28 Pages

18 February 2026

Parallel–series systems are fundamental in many industrial and engineering applications, yet their reliability assessment and improvement remain challenging, particularly when components exhibit non-constant failure rates. This study addresses...

  • Article
  • Open Access
29 Citations
4,525 Views
22 Pages

Detection and quantification of tread wear particles in the environment have been a challenge owing to lack of a robust method. This study investigated the applicability of a combination of Simultaneous Thermal Analysis (STA), Fourier Transform Infra...

(This article belongs to the Section Environmental Science and Engineering)
  • Article
  • Open Access
3,550 Views
29 Pages

13 January 2024

Chromatin immunoprecipitation followed by massively parallel DNA sequencing (ChIP-seq) is a central genome-wide method for in vivo analyses of DNA-protein interactions in various cellular conditions. Numerous studies have demonstrated the complex con...

(This article belongs to the Special Issue 25 Anniversary of Bioinformatics of Genome Regulation and Structure Conference Series)
  • Article
  • Open Access
7 Citations
3,342 Views
21 Pages

Conventional signal processing methods such as Principle Component Analysis (PCA) focus on the decomposition of signals in the 2D time–frequency domain. Parallel factor analysis (PARAFAC) is a novel method used to decompose multi-dimensional ar...

  • Article
  • Open Access
4 Citations
3,010 Views
12 Pages

Evaluation of Groundwater Infiltration in Sewer Networks Using Fluorescence Spectroscopy

  • Likai Li,
  • Yiwei Li,
  • Ping Song,
  • Bingjie Fang and ,
  • Haibo Xia,
  • Yeyuan Xiao,
  • Lu Ma,
  • Yue Guo,
  • Zhongrui Bai and
  • Jiawen Wang
  • + 5 authors+ 0 author

23 September 2023

Diagnosing water infiltration is imperative to assess the integrity and operation performance of sewer networks, which is challenging and costly due to the complex nature of these networks. This study proposes a simple approach to evaluate the extent...

(This article belongs to the Section Water Quality and Contamination)
  • Article
  • Open Access
39 Citations
3,547 Views
16 Pages

Multi-Sensor Data Driven with PARAFAC-IPSO-PNN for Identification of Mechanical Nonstationary Multi-Fault Mode

  • Hanxin Chen,
  • Yunwei Xiong,
  • Shaoyi Li,
  • Ziwei Song and ,
  • Zhenyu Hu and
  • Feiyang Liu
  • + 1 author+ 0 author

18 February 2022

Data analysis has wide applications in eliminating the irrelevant and redundant components in signals to reveal the important informational characteristics that are required. Conventional methods for multi-dimensional data analysis via the decomposit...

(This article belongs to the Special Issue 10th Anniversary of Machines—Feature Papers in Fault Diagnosis and Prognosis)
  • Article
  • Open Access
10 Citations
3,263 Views
11 Pages

Generation and Modulation of Controllable Multi-Focus Array Based on Phase Segmentation

  • Zihan Liu,
  • Jiaqing Hou,
  • Yu Zhang,
  • Tong Wen and ,
  • Lianbin Fan,
  • Chen Zhang,
  • Kaige Wang and
  • Jintao Bai
  • + 3 authors+ 0 author

5 October 2022

A Circular-Sectorial Phase Segmentation (CSPS) noniterative method for effectively generating and manipulating muti-focus array (MFA) was proposed in this work. The theoretical model of the CSPS was built up based on vectorial diffraction integral an...

(This article belongs to the Special Issue Optics and Photonics in Micromachines)
  • Article
  • Open Access
4 Citations
1,717 Views
16 Pages

Power Source Converter Based on a Variable-Domain Fuzzy PI Control

  • Zihan Chen,
  • Xuquan Hu,
  • Wei Wang,
  • Wei Liu and ,
  • Mingyu Liao and
  • Zhihong Fu
  • + 1 author+ 0 author

The inadequacy of conventional control strategies for multi-phase interleaved parallel circuits in terms of adaptive adjustment makes it difficult to meet the power source design requirements for transient electromagnetic detection systems. This pape...

  • Article
  • Open Access
17 Citations
7,083 Views
20 Pages

Exploratory factor analysis (EFA) is a widely used tool in the social sciences. Researchers employ it to identify the latent structure underlying observed indicator variables during the process of scale development, theory construction, and compariso...

  • Article
  • Open Access
2 Citations
4,573 Views
25 Pages

15 March 2023

Dichotomous data correspond with various types of commonly encountered data, e.g., positive/negative, case/control, missing/observed, in many fields, including medicine, health, and social sciences. Despite their ubiquity, criteria for determining di...

(This article belongs to the Section E3: Mathematical Biology)
  • Article
  • Open Access
9 Citations
3,218 Views
13 Pages

Variation in Spectral Characteristics of Dissolved Organic Matter and Its Relationship with Phytoplankton of Eutrophic Shallow Lakes in Spring and Summer

  • Yimeng Zhang,
  • Fang Yang,
  • Haiqing Liao,
  • Shugang Hu and ,
  • Huibin Yu,
  • Peng Yuan,
  • Bin Li and
  • Bing Cui
  • + 3 authors+ 0 author

23 September 2022

The compositional characteristics of dissolved organic matter (DOM) have important implications for lake water quality and aquatic ecology. Seasonal changes of dissolved organic matter (DOM) as well as phytoplankton abundance and composition in Shahu...

(This article belongs to the Special Issue Water Environment Pollution and Control)
  • Article
  • Open Access
2,438 Views
16 Pages

17 April 2023

Many artificially intelligent systems solve complex health- and agriculture-related problems that require great computational power. Such systems are used for tracking medical records, genome sequence analysis, image-based plant disease detection, fo...

(This article belongs to the Special Issue To the Future: Adoption of Artificial Intelligence and Blockchain in Agriculture and Healthcare from a Sustainability Perspective)
  • Article
  • Open Access
12 Citations
4,186 Views
14 Pages

Joint Angle and Frequency Estimation Using One-Bit Measurements

  • Zeyang Li,
  • Junpeng Shi,
  • Xinhai Wang and
  • Fangqing Wen

9 December 2019

Joint angle and frequency estimation is an important branch in array signal processing with numerous applications in radar, sonar, wireless communications, etc. Extensive attention has been paid and numerous algorithms have been developed. However, e...

(This article belongs to the Special Issue Recent Advances in Sensor Array and Multichannel Signal Processing with Its Applications to IoT Security)
  • Article
  • Open Access
8 Citations
4,953 Views
10 Pages

19 February 2016

We propose a parallel factor (PARAFAC) analysis-based angle and polarization estimation algorithm for multiple coherent sources using a uniformly-spaced linear tripole sensor array. By forming a PARAFAC model using the spatial signature of the tripol...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
2,454 Views
14 Pages

15 November 2021

From disaster prevention to mitigation, drug analysis to drug design, agriculture to food security, IoT to AI, and big data analysis to knowledge or sentiment mining, a high computation power is a prime necessity at present. As such, massively parall...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
881 Views
20 Pages

Three–dimensional excitation–emission matrix (3D–EEM) fluorescence spectroscopy is widely applied for the rapid characterization of dissolved organic matter (DOM) in aquatic environments. However, conventional decomposition based on...

(This article belongs to the Special Issue Advanced Optical Metrology Technology)
  • Article
  • Open Access
24 Citations
6,897 Views
15 Pages

12 April 2016

Data collected from the supervisory control and data acquisition (SCADA) system are used widely in wind farms to obtain operation and performance information about wind turbines. The paper presents a three-way model by means of parallel factor analys...

  • Feature Paper
  • Article
  • Open Access
8 Citations
5,326 Views
15 Pages

24 September 2021

This research has used fluorescence spectroscopy and parallel factor analysis (PARAFAC) in order to characterize dissolved organic matter in septic tank effluent, as it passes through the biomat/biozone, infiltrating into the unsaturated zone beneath...

(This article belongs to the Special Issue On-Site Wastewater Treatment)
  • Article
  • Open Access
2 Citations
2,270 Views
14 Pages

A Tensor-Based Approach to Blind Despreading of Long-Code Multiuser DSSS Signals

  • Liangliang Li,
  • Tao Liang,
  • Huaguo Zhang,
  • Songmao Du and
  • Lin Gao

22 February 2023

In this paper, a tensor-based approach to blind despreading of long-code multiuser DSSS signals is proposed. We aim to generalize the tensor-based methods originally developed for blind separation of short-code multiuser DSSS signals to long-code cas...

(This article belongs to the Special Issue Advanced Digital Signal Processing for Future Digital Communications)
  • Article
  • Open Access
12 Citations
3,770 Views
21 Pages

Analysis of Multi-Stacked Dielectric Resonator Antenna with Its Equivalent R-L-C Circuit Modeling for Wireless Communication Systems

  • Ram Krishna,
  • Agbotiname Lucky Imoize,
  • Rajveer Singh Yaduvanshi,
  • Harendra Singh and ,
  • Arun Kumar Rana and
  • Subhendu Kumar Pani
  • + 1 author+ 0 author

The dielectric resonator antenna (DRA) can be modeled as a series and parallel combination of electrical networks consisting of a resistor (R), inductor (L), and capacitor (C) to address peculiar challenges in antennas suitable for application in eme...

(This article belongs to the Section Engineering)
  • Article
  • Open Access
43 Citations
4,841 Views
17 Pages

30 May 2019

A parallel hybrid electric vehicle (PHEV) is used to investigate the fuel economy effect of the equivalent fuel consumption minimization strategy (ECMS) with the equivalent factor as the core, where the equivalent factor is the conversion coefficient...

  • Article
  • Open Access
11 Citations
4,497 Views
17 Pages

TFBN: A Cost Effective High Performance Hierarchical Interconnection Network

  • M. M. Hafizur Rahman,
  • Mohammed Al-Naeem,
  • Mohammed N. M. Ali and
  • Abu Sufian

20 November 2020

In order to fulfill the increasing demand for computation power to process a boundless data concurrently within a very short time or real-time in many areas such as IoT, AI, machine learning, smart grid, and big data analytics, we need exa-scale or z...

(This article belongs to the Special Issue Emerging Paradigms and Architectures for Industry 4.0 Applications)
  • Article
  • Open Access
9 Citations
4,190 Views
21 Pages

12 October 2023

In the present protocol, we determined the presence and concentrations of bisphenol A (BPA) spiked in surface water samples using EEM fluorescence spectroscopy in conjunction with modelling using partial least squares (PLS) and parallel factor (PARAF...

(This article belongs to the Special Issue Applied Analytical Chemistry)
  • Article
  • Open Access
38 Citations
6,717 Views
16 Pages

Front-Face Fluorescence Spectroscopy and Chemometrics for Quality Control of Cold-Pressed Rapeseed Oil During Storage

  • Ewa Sikorska,
  • Krzysztof Wójcicki,
  • Wojciech Kozak,
  • Anna Gliszczyńska-Świgło and ,
  • Igor Khmelinskii,
  • Tomasz Górecki,
  • Francesco Caponio,
  • Vito M. Paradiso,
  • Carmine Summo and
  • Antonella Pasqualone
  • + 5 authors+ 0 author

10 December 2019

The aim of this study was to test the usability of fluorescence spectroscopy to evaluate the stability of cold-pressed rapeseed oil during storage. Freshly-pressed rapeseed oil was stored in colorless and green glass bottles exposed to light, and in...

(This article belongs to the Special Issue Advances of Spectrometric Techniques in Food Analysis and Food Authentication Implemented with Chemometrics)
  • Article
  • Open Access
11 Citations
3,615 Views
15 Pages

31 October 2018

In this paper, a novel parallel factor (PARAFAC) model for processing the nested vector-sensor array is proposed. It is first shown that a nested vector-sensor array can be divided into multiple nested scalar-sensor subarrays. By means of the autocor...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
55 Citations
17,834 Views
30 Pages

An Empirical Evidence Study of Consumer Perception and Socioeconomic Profiles for Digital Stores in Vietnam

  • Sonia Singh,
  • Subhra Mondal,
  • Lata Bajpai Singh,
  • Kalyan Kumar Sahoo and
  • Subhankar Das

25 February 2020

Digital stores are spreading their tentacles slowly in Vietnam, the most upcoming economy of the ASEAN region, so it is a relevant and contemporary study to know the perceptual thought and socioeconomic profiles of customers. Since there is a lack of...

(This article belongs to the Section Economic and Business Aspects of Sustainability)
  • Article
  • Open Access
2 Citations
3,883 Views
18 Pages

30 December 2020

The hydrogen peroxide-immobilized commercial catalase system was chosen to estimate the optimal feed temperature (OFT) for fixed-bed reactor (FXBR). This feed temperature was obtained based on analytical solution by maximizing the time-averaged subst...

(This article belongs to the Special Issue Enzyme Bioreactor Design)
  • Article
  • Open Access
32 Citations
6,384 Views
30 Pages

27 November 2021

Protein phosphorylation plays an important role in mediating signal transduction in cold response in plants. To better understand how plants sense and respond to the early temperature drop, we performed data-independent acquisition (DIA) method-based...

(This article belongs to the Special Issue Plant Proteomic Research 5.0: From Data to Insights)
  • Article
  • Open Access
174 Citations
17,973 Views
15 Pages

16 January 2012

The development of a real-time monitoring tool for the estimation of water quality is essential for efficient management of river pollution in urban areas. The Gap River in Korea is a typical urban river, which is affected by the effluent of a wastew...

(This article belongs to the Section Chemical Sensors)
  • Article
  • Open Access
15 Citations
5,324 Views
12 Pages

The Influence of Pyrolysis Temperature and Feedstocks on the Characteristics of Biochar-Derived Dissolved Organic Matter: A Systematic Assessment

  • Yaru Li,
  • Weipeng Chen,
  • Shu Fang,
  • Zhihua Xu and ,
  • Haifeng Weng and
  • Xiaodong Zhang
  • + 1 author+ 0 author

19 September 2024

Biochar is a carbon-rich product obtained by pyrolyzing biomass under oxygen-limited conditions and has a wide range of potential for environmental applications. In particular, dissolved organic matter (DOM) released from biochar has an important imp...

  • Article
  • Open Access
5 Citations
2,271 Views
13 Pages

Tensor Based Semi-Blind Channel Estimation for Reconfigurable Intelligent Surface-Aided Multiple-Input Multiple-Output Communication Systems

  • Ni Li,
  • Honggui Deng,
  • Fuxin Xu,
  • Yitao Zheng and ,
  • Mingkang Qu,
  • Wanqing Fu and
  • Nanqing Zhou
  • + 2 authors+ 0 author

14 October 2024

Reconfigurable intelligent surfaces (RISs) are a promising technology for sixth-generation (6G) wireless networks. However, a fully passive RIS cannot independently process signals. Wireless systems equipped with it often encounter the challenge of l...

(This article belongs to the Topic Advanced Array Signal Processing for B5G/6G: Models, Algorithms, and Applications)

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