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179 Results Found

  • Article
  • Open Access
11 Citations
2,861 Views
22 Pages

30 April 2024

Information technology and statistical modeling have made significant contributions to smart agriculture. Machine vision and hyperspectral technologies, with their non-destructive and real-time capabilities, have been extensively utilized in the non-...

(This article belongs to the Special Issue Current Research on Hyperspectral and Multispectral Imaging and Their Applications in Precision Agriculture Ⅱ)
  • Article
  • Open Access
102 Citations
9,148 Views
18 Pages

24 January 2013

The objective of this research is to investigate the feasibility of utilizing the multi-scale analysis and support vector machine (SVM) classification scheme to diagnose the bearing faults in rotating machinery. For complicated signals, the characte...

  • Article
  • Open Access
12 Citations
4,313 Views
14 Pages

An adaptive weighted K-nearest neighbor (AWKNN) trilateration positioning algorithm fused with the channel state information (CSI) is proposed to optimize the accuracy of the visible light positioning. The core concept behind this algorithm is to com...

(This article belongs to the Section Optical Communication and Network)
  • Article
  • Open Access
5 Citations
3,387 Views
14 Pages

6 October 2020

Support vector machines (SVMs) are a well-known classifier due to their superior classification performance. They are defined by a hyperplane, which separates two classes with the largest margin. In the computation of the hyperplane, however, it is n...

(This article belongs to the Special Issue Applied Machine Learning)
  • Article
  • Open Access
9 Citations
2,377 Views
20 Pages

12 October 2023

Wireless sensor networks (WSNs) are applied in many fields, among which node localization is one of the most important parts. The Distance Vector-Hop (DV-Hop) algorithm is the most widely used range-free localization algorithm, but its localization a...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
32 Citations
5,538 Views
17 Pages

26 January 2018

The measurement error of the differencing (i.e., using two homogenous field sensors at a known baseline distance) magnetic gradient tensor system includes the biases, scale factors, nonorthogonality of the single magnetic sensor, and the misalignment...

(This article belongs to the Special Issue Magnetic Sensors and Their Applications)
  • Article
  • Open Access
457 Views
38 Pages

17 July 2026

In 2000, Carver Mead introduced a time-symmetrical theory of energy exchange between two atoms, building on the Transactional Interpretation of Quantum Mechanics by John Cramer in 1986. In 2020, Cramer and Mead developed the theory further, proposing...

(This article belongs to the Special Issue Time in Quantum Mechanics)
  • Article
  • Open Access
47 Citations
6,709 Views
15 Pages

Distance Correlation-Based Feature Selection in Random Forest

  • Suthakaran Ratnasingam and
  • Jose Muñoz-Lopez

23 August 2023

The Pearson correlation coefficient (ρ) is a commonly used measure of correlation, but it has limitations as it only measures the linear relationship between two numerical variables. The distance correlation measures all types of dependencies bet...

(This article belongs to the Special Issue Recent Advances in Statistical Inference for High Dimensional Data)
  • Article
  • Open Access
9 Citations
2,987 Views
22 Pages

Three-Dimensional Signal Source Localization with Angle-Only Measurements in Passive Sensor Networks

  • Linhai Wang,
  • Shenghua Zhou,
  • Min Gong,
  • Pengfei Zhao and ,
  • Jian Yang and
  • Xin Sui
  • + 1 author+ 0 author

9 April 2024

Some passive sensors can provide only relative angles of a signal source. To obtain the signal source location, multiple passive sensors can be constructed into a passive sensor network through communication links. This paper investigates the source...

(This article belongs to the Topic Multi-Sensor Integrated Navigation Systems)
  • Article
  • Open Access
7 Citations
5,216 Views
23 Pages

17 November 2017

[-10]For local homing navigation, an agent is supposed to return home based on the surrounding environmental information. According to the snapshot model, the home snapshot and the current view are compared to determine the homing direction. In this...

(This article belongs to the Special Issue Sensors and Sensing in Indoor Localization, Tracking, Navigation and Activity Monitoring)
  • Article
  • Open Access
9 Citations
2,262 Views
19 Pages

Nature-Inspired Energy Enhancement Technique for Wireless Sensor Networks

  • James Deva Koresh Hezekiah,
  • Karnam Chandrakumar Ramya,
  • Mercy Paul Selvan,
  • Vishnu Murthy Kumarasamy and ,
  • Dipak Kumar Sah,
  • Malathi Devendran,
  • Sivakumar Sabapathy Arumugam and
  • Rajagopal Maheswar
  • + 3 authors+ 0 author

10 October 2023

Wireless Sensor Networks (WSN) play a major role in various applications, yet maintaining energy efficiency remains a critical challenge due to their limited energy availability. Network lifetime is one of the primary parameters for analyzing the per...

(This article belongs to the Section F5: Artificial Intelligence and Smart Energy)
  • Article
  • Open Access
597 Views
18 Pages

Effectiveness of Spectral Analysis for Evaluating Internal Quality of Korla Fragrant Pears Under Different Detection Distances

  • Yifei Li,
  • Xueting Ma,
  • Jianping Bao,
  • Yuesen Tong and ,
  • Lei Kang,
  • Huaiyu Liu,
  • Zhe Han,
  • Jun Guo,
  • Xuhang Liu and
  • Kaijie Qi
  • + 5 authors+ 0 author

This study investigated how detection distance affects spectral models for soluble solids content (SSC) and firmness evaluation in Korla fragrant pears and provides a reference for calibrating standardized indoor non-destructive detection equipment....

(This article belongs to the Section Postharvest Biology, Quality, Safety, and Technology)
  • Article
  • Open Access
867 Views
25 Pages

8 January 2026

In parametric statistics, it is well established that the canonical measures of estimator performance—such as bias, variance, and mean squared error—are inherently dependent on the parameterization of the model. Consequently, these quanti...

(This article belongs to the Section D1: Probability and Statistics)
  • Article
  • Open Access
7 Citations
3,027 Views
17 Pages

Energy Efficient Distance Computing: Application to K-Means Clustering

  • Yong Shim,
  • Seong-Wook Choi,
  • Myeong-Gyu Yang,
  • Keun-Yong Chung and
  • Kwang-Hyun Baek

Distance computation between two input vectors is a widely used computing unit in several pattern recognition, signal processing and neuromorphic applications. However, the implementation of such a functionality in conventional CMOS design requires e...

(This article belongs to the Section Circuit and Signal Processing)
  • Article
  • Open Access
5 Citations
2,180 Views
23 Pages

A Novel Localization Technology Based on DV-Hop for Future Internet of Things

  • Xiaoying Yang,
  • Wanli Zhang,
  • Chengfang Tan and
  • Tongqing Liao

In recent years, localization has become a hot issue in many applications of the Internet of Things (IoT). The distance vector-hop (DV-Hop) algorithm is accepted for many fields due to its uncomplicated, low-budget, and common hardware, but it has th...

(This article belongs to the Topic Future Internet Architecture: Difficulties and Opportunities)
  • Article
  • Open Access
1 Citations
1,185 Views
16 Pages

31 March 2026

In emergency decision-making for carbon capture, utilization, and storage (CCUS) CO2 pipeline leakage, risk levels and warning distances/impact ranges are often derived from different methodological systems—risk-matrix scoring versus mechanisti...

  • Article
  • Open Access
205 Views
23 Pages

10 October 2026

This article proposes a new index for quantifying the degree of dependence between random vectors with the same dimension. The index takes values in [0, 1] and equals zero if and only if the random vectors are sub-independent. Unlike mere uncorrelate...

(This article belongs to the Section Information Theory, Probability and Statistics)
  • Article
  • Open Access
7 Citations
4,565 Views
22 Pages

25 August 2024

This study develops a predictive model for video laryngoscopic views using advanced machine learning techniques, aiming to enhance airway management’s efficiency and safety. A total of 212 participants were involved, with 169 in the training se...

(This article belongs to the Section Methodology, Drug and Device Discovery)
  • Article
  • Open Access
9 Citations
3,847 Views
11 Pages

A Robust Discontinuous Phase Unwrapping Based on Least-Squares Orientation Estimator

  • Gaoxu Deng,
  • Shiqian Wu,
  • Shiyang Zhou,
  • Bin Chen and
  • Yucheng Liao

22 November 2021

Weighted least-squares (WLS) phase unwrapping is widely used in optical engineering. However, this technique still has issues in coping with discontinuity as well as noise. In this paper, a new WLS phase unwrapping algorithm based on the least-square...

(This article belongs to the Section Optoelectronics)
  • Article
  • Open Access
3 Citations
7,707 Views
15 Pages

11 June 2014

Railway signaling is a safety system that has evolved over the last couple of centuries towards autonomous functionality. Recently, great effort is being devoted in this field, towards the use and exploitation of Global Navigation Satellite System (G...

(This article belongs to the Special Issue Positioning and Tracking Sensors and Technologies in Road Transport)
  • Article
  • Open Access
1,405 Views
20 Pages

Geographic Distance as a Driver of Tabanidae Community Structure in the Coastal Plain of Southern Brazil

  • Rodrigo Ferreira Krüger,
  • Helena Iris Leite de Lima Silva,
  • Rafaela de Freitas Rodrigues Mengue Dimer,
  • Marta Farias Aita and ,
  • Pablo Parodi,
  • Steve Mihok and
  • Tiago Kütter Krolow
  • + 2 authors+ 0 author

Horse flies (Tabanidae) negatively affect livestock by reducing productivity, compromising animal welfare, and serving as mechanical vectors of pathogens. However, the spatial processes shaping their community organization in southern Brazil’s...

  • Article
  • Open Access
9 Citations
9,113 Views
17 Pages

A Forward-Looking Approach to Compare Ranking Methods for Sports

  • Peter Juma Ochieng,
  • András London and
  • Miklós Krész

In this paper, we provide a simple forward-looking approach to compare rating methods with respect to their stability over time. Given a rating vector of entities involved in the comparison and a ranking indicated by the rating, the stability of the...

(This article belongs to the Special Issue Predictive Analytics and Data Science)
  • Article
  • Open Access
19 Citations
3,103 Views
15 Pages

26 February 2023

To increase the positioning accuracy of Distance Vector-Hop (DV-Hop) algorithm in non-uniform networks, an improved DV-Hop algorithm based on RSSI correction is proposed. The new algorithm first quantizes hops between two nodes by the ratio of the RS...

(This article belongs to the Special Issue Emerging Ubiquitous Networking and Computing: Techniques, Standards, and Applications)
  • Article
  • Open Access
29 Citations
11,645 Views
28 Pages

The current work experimentally investigates the flowfield characteristics of an under-expanded turbulent jet impinging on a solid surface for various nozzle-to-plate distances 2.46 D j , 1.64 D j , and 0.82 D j ( D j ...

(This article belongs to the Special Issue Under-Expanded Jets)
  • Article
  • Open Access
348 Views
29 Pages

End-to-End Prediction-to-Decision Certificates for Inverse Design with Vector-Valued Response Surfaces

  • Daniel López-Rodríguez,
  • Jorge Jordán-Núñez,
  • Bàrbara Micó-Vicent and
  • Macarena Boix-García

1 September 2026

We study prediction-to-decision certification for inverse design with vector-valued response surfaces. An unknown response map is estimated from data, a target response is prescribed, and a decision is obtained by minimizing a target-loss function. T...

(This article belongs to the Special Issue Advances in Optimal Decision Making Under Risk and Uncertainty)
  • Article
  • Open Access
11 Citations
2,584 Views
25 Pages

12 May 2023

A twin bounded support vector machine (TBSVM) is a phenomenon of symmetry that improves the performance of the traditional support vector machine classification algorithm. In this paper, we propose an improved model based on a TBSVM, called a Welsch...

  • Article
  • Open Access
8 Citations
3,608 Views
21 Pages

Global Energy Consumption Optimization for UAV Swarm Topology Shaping

  • Yanxiang Yang,
  • Xiangyin Zhang,
  • Jiayi Zhou,
  • Bo Li and
  • Kaiyu Qin

25 March 2022

According to different mission scenarios, the UAV swarm needs to form specific topology shapes to achieve more robust system capability. The topology shaping, which will guide the UAVs autonomously to form the desired topology shape, is considered on...

  • Article
  • Open Access
14 Citations
4,069 Views
9 Pages

Identification of Body Balance Deterioration of Gait in Women Using Accelerometers

  • Raquel Leirós-Rodríguez,
  • Vicente Romo-Pérez,
  • Jose L. García-Soidán and
  • Anxela Soto-Rodríguez

7 February 2020

This study presents a simple methodology for the evaluation of gait with accelerometers, for rapid and simple application, in which we employ current balance tests in clinical practice (Timed Up and Go, Chair Stand Test and Six-Minute Walk Test). The...

(This article belongs to the Special Issue Active Aging: Educational Innovations in the Elderly)
  • Article
  • Open Access
27 Citations
8,122 Views
10 Pages

Evaluation of the Bitterness of Traditional Chinese Medicines using an E-Tongue Coupled with a Robust Partial Least Squares Regression Method

  • Zhaozhou Lin,
  • Qiao Zhang,
  • Ruixin Liu,
  • Xiaojie Gao and ,
  • Lu Zhang,
  • Bingya Kang,
  • Junhan Shi,
  • Zidan Wu,
  • Xinjing Gui and
  • Xuelin Li
  • + 5 authors+ 0 author

25 January 2016

To accurately, safely, and efficiently evaluate the bitterness of Traditional Chinese Medicines (TCMs), a robust predictor was developed using robust partial least squares (RPLS) regression method based on data obtained from an electronic tongue (e-t...

(This article belongs to the Special Issue E-noses: Sensors and Applications)
  • Article
  • Open Access
41 Citations
5,568 Views
16 Pages

25 June 2019

Automatic coal-rock recognition is one of the critical technologies for intelligent coal mining and processing. Most existing coal-rock recognition methods have some defects, such as unsatisfactory performance and low robustness. To solve these probl...

(This article belongs to the Section Signal and Data Analysis)
  • Article
  • Open Access
311 Views
13 Pages

7 September 2026

For image data, matrix-based clustering methods are gaining popularity because they can directly process two-dimensional (2D) data structures without vectorization. However, most existing approaches rely on squared Frobenius norms in their objective...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
35 Citations
4,390 Views
24 Pages

8 August 2020

The weighted K-nearest neighbor (WKNN) algorithm is a commonly used fingerprint positioning, the difficulty of which lies in how to optimize the value of K to obtain the minimum positioning error. In this paper, we propose an adaptive residual weight...

(This article belongs to the Special Issue Sensors and Systems for Indoor Positioning)
  • Article
  • Open Access
9 Citations
2,810 Views
19 Pages

Node localization technology has become a research hotspot for wireless sensor networks (WSN) in recent years. The standard distance vector hop (DV-Hop) is a remarkable range-free positioning algorithm, but the low positioning accuracy limits its app...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
19 Citations
2,705 Views
21 Pages

Geological Hazard Susceptibility Analysis Based on RF, SVM, and NB Models, Using the Puge Section of the Zemu River Valley as an Example

  • Ming Li,
  • Linlong Li,
  • Yangqi Lai,
  • Li He and ,
  • Zhengwei He and
  • Zhifei Wang
  • + 1 author+ 0 author

19 July 2023

The purpose of this study was to construct a geological hazard susceptibility evaluation and analysis model using three types of machine learning models, namely, random forest (RF), support vector machine (SVM), and naive Bayes (NB), and to evaluate...

(This article belongs to the Section Hazards and Sustainability)
  • Article
  • Open Access
320 Views
32 Pages

MultiNet: Improving Gaze Estimation via Face-to-Camera Distance and Multi-Branch Learning

  • Nikita Ligostaev,
  • Nicola Conci,
  • Roberto Passerone and
  • Andrey Somov

2 October 2026

We present MultiNet, a multi-branch pipeline that directly predicts the gaze vector or the point of gaze from multiple modalities derived from a single camera capture. In particular, we address the under-explored use of metric face-to-camera distance...

(This article belongs to the Special Issue Artificial Intelligence for Sensing, Data Analytics, and Intelligent Human–Computer Interaction)
  • Article
  • Open Access
27 Citations
4,857 Views
16 Pages

11 March 2023

Location information is one of the crucial and essential elements for monitoring data in wireless sensor networks. The distance vector-hop (DV-Hop) localization algorithm is of practical importance in improving its localization performance. To achiev...

  • Article
  • Open Access
1,057 Views
12 Pages

Estimation of Soil Water Flux Using the Heat Pulse Technique and Vector Addition in Saturated Soils of Different Textures

  • Fuyun Lu,
  • Zhi Zhao,
  • Qinghua Pan,
  • Yuping Zhang and ,
  • Dongye Lu and
  • Yang Wu
  • + 1 author+ 0 author

25 December 2025

Soil water flux is a key parameter for understanding water and heat transport processes in the vadose zone. The heat pulse technique (HPT) has shown considerable potential for predicting soil water flux. Traditional three-needle probe methods, the ma...

(This article belongs to the Section Soil and Water)
  • Communication
  • Open Access
10 Citations
2,537 Views
11 Pages

7 August 2021

The DV-Hop algorithm is widely used because of its simplicity and low cost, but it has the disadvantage of a large positioning error. In recent years, although some improvement measures have been proposed, such as hop correction, distance-weighted co...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
9 Citations
3,590 Views
13 Pages

The Prediction of Distribution of the Invasive Fallopia Taxa in Slovakia

  • Petra Gašparovičová,
  • Michal Ševčík and
  • Stanislav David

31 May 2022

Invasive species are now considered the second biggest threat for biodiversity and have adverse environmental, economic and social impacts. Understanding its spatial distribution and dynamics is crucial for the development of tools for large-scale ma...

(This article belongs to the Special Issue Modelling Plant Diseases for Precision Crop Protection)
  • Article
  • Open Access
9 Citations
2,213 Views
25 Pages

A Method of Extracting the SWH Based on a Constituted Wave Slope Feature Vector (WSFV) from X-Band Marine Radar Images

  • Yanbo Wei,
  • Yujie Wang,
  • Chendi He,
  • Huili Song and ,
  • Zhizhong Lu and
  • Hui Wang
  • + 1 author+ 0 author

14 November 2023

The shadow statistical method (SSM) used for extracting the significant wave height (SWH) from X-band marine radar images was further investigated because of its advantage of not requiring an external reference for calibration. Currently, a fixed sha...

(This article belongs to the Special Issue Artificial Intelligence and Big Data for Oceanography)
  • Article
  • Open Access
3 Citations
2,002 Views
16 Pages

Convergence Analysis of the Phase-Scheduled-Command FXLMS Algorithm with Phase Error

  • Yushuai Wang,
  • Feng Liu,
  • Zhenrong Fu,
  • Lianxin Yang and
  • Pengfei Wang

30 July 2023

In this paper, a phase-scheduled-command filtered-x least mean square (FXLMS) algorithm with a phase error between the disturbance and command signal is analyzed in detail. The influence of the phase error on the control effort, convergence time cons...

  • Article
  • Open Access
15 Citations
2,871 Views
12 Pages

20 August 2022

To solve the failure problem of the visible/near infrared (VIS/NIR) spectroscopy model, soluble solids content (SSC) detection for fresh jujubes cultivated in different modes was carried out based on the method of variable optimization and model upda...

(This article belongs to the Special Issue Fast Non-destructive Detection Technology and Equipment for Food Quality and Safety)
  • Article
  • Open Access
15 Citations
6,131 Views
15 Pages

29 August 2022

Sonobuoy is a disposable device that collects underwater acoustic information and is designed to transmit signals collected in a particular area to nearby aircraft or ships and sink to the seabed upon completion of its mission. In a conventional sono...

(This article belongs to the Special Issue Recent Advances in Underwater Signal Processing)
  • Article
  • Open Access
1 Citations
2,723 Views
19 Pages

29 July 2023

A new method for measuring the vector velocity of meteoroids using meteor head echoes is proposed in this study. The lateral velocity is determined by utilizing the phase interference measurement between channels, while the radial velocity is obtaine...

(This article belongs to the Topic Radar Signal and Data Processing with Applications)
  • Proceeding Paper
  • Open Access
2 Citations
4,226 Views
10 Pages

We propose a novel model to achieve superior out-of-sample Sharpe ratios. While most research in asset allocation focuses on estimating the return vector and covariance matrix, the first component of our novel model instead forecasts the future tange...

(This article belongs to the Proceedings of The 9th International Conference on Time Series and Forecasting)
  • Article
  • Open Access
21 Citations
3,422 Views
17 Pages

22 April 2022

Despite the many benefits of additive manufacturing, the final quality of the fabricated parts remains a barrier to the wide adoption of this technique in industry. Predicting the quality of parts using advanced machine learning techniques may improv...

(This article belongs to the Topic Additive Manufacturing)
  • Article
  • Open Access
1 Citations
4,457 Views
11 Pages

3 July 2018

For Massive multiple-input multiple output (MIMO) systems, many algorithms have been proposed for detecting spatially multiplexed signals, such as reactive tabu search (RTS), minimum mean square error (MMSE), etc. As a heuristic neighborhood search a...

  • Article
  • Open Access
3 Citations
945 Views
24 Pages

3 December 2025

This paper addresses semi-supervised anomaly detection in settings where only a small subset of normal data can be labeled. Such conditions arise, for example, in industrial quality control of windshield wiper noise, where expert labeling is costly a...

(This article belongs to the Special Issue Data Mining and Machine Learning with Applications, 2nd Edition)
  • Article
  • Open Access
3 Citations
749 Views
19 Pages

11 January 2026

Indoor WiFi fingerprint localization often suffers from abnormal fluctuations in received signal strength indicator (RSSI) measurements and from the sensitivity of least-squares support vector machine (LSSVM) hyperparameters to local optima. To addre...

  • Article
  • Open Access
32 Citations
9,359 Views
22 Pages

Origin-destination (OD) flow pattern mining is an important research method of urban dynamics, in which OD flow clustering analysis discovers the activity patterns of urban residents and mine the coupling relationship of urban subspace and dynamic ca...

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