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298 Results Found

  • Article
  • Open Access
4 Citations
5,228 Views
28 Pages

In this paper, we investigate the performance of a variety of frequentist estimation techniques for the scale and shape parameters of the Lomax distribution. These methods include traditional methods such as the maximum likelihood estimator and the m...

(This article belongs to the Section Computational Engineering)
  • Article
  • Open Access
1,350 Views
26 Pages

26 February 2026

Line transect sampling is widely used for estimating population abundance, but existing nonparametric estimators of detection density at the transect line often suffer from boundary bias and tuning sensitivity. In this paper, we propose two simple tu...

(This article belongs to the Section General Applied Statistics)
  • Article
  • Open Access
917 Views
25 Pages

12 June 2026

This study presents an integrated framework for enhancing the safety and operational efficiency of robotic arms in laparoscopic surgery by addressing minimum distance estimation between multi-arm manipulators and the associated collision-aware warnin...

(This article belongs to the Special Issue Novel Actuation, Sensing, and Intelligent Control in Medical Robotic Systems)
  • Article
  • Open Access
2 Citations
943 Views
26 Pages

30 October 2025

In this paper, the ranked set sampling method (RSS) is considered for estimating the inverse power Lindley distribution (IPLD) parameters and compared with the commonly simple random sampling. Different estimation methods are investigated including t...

(This article belongs to the Section Mathematical Analysis)
  • Article
  • Open Access
6 Citations
3,551 Views
20 Pages

4 February 2021

The distance constrained maximum likelihood procedure (DCML) optimally combines a robust estimator with the maximum likelihood estimator with the purpose of improving its small sample efficiency while preserving a good robustness level. It has been p...

(This article belongs to the Special Issue Robust Statistics in Action)
  • Article
  • Open Access
1 Citations
491 Views
19 Pages

Safe Distance Monitoring for Substation Near-Current Operations via Image–LiDAR Cross-Modal Self-Registration

  • Maonan Wang,
  • Bo Wang,
  • Xinming Fan,
  • Tianrui Yin and ,
  • Hengrui Ma and
  • Peng Luo
  • + 1 author+ 0 author

Continuous monitoring of the minimum safety distance between construction machinery and energized bodies is essential during operations near energized equipment in substations. Existing methods mostly rely on fixed-view observation, online LiDAR, or...

  • Article
  • Open Access
2 Citations
2,924 Views
26 Pages

A New Instrumental-Type Estimator for Quantile Regression Models

  • Li Tao,
  • Lingnan Tai,
  • Manling Qian and
  • Maozai Tian

4 August 2023

This paper proposes a new instrumental-type estimator of quantile regression models for panel data with fixed effects. The estimator is built upon the minimum distance, which is defined as the weighted average of the conventional individual instrumen...

(This article belongs to the Special Issue Statistical Analysis: Theory, Methods and Applications)
  • Article
  • Open Access
23 Citations
7,609 Views
14 Pages

9 December 2013

In this paper, we have proposed a general approach to obtain a projection of the nearest targets and minimum distance for a given unit. The method takes undesirable output into account. The idea behind it is that nearest targets and minimum distance...

  • Article
  • Open Access
6 Citations
3,777 Views
14 Pages

11 November 2022

The cryptocurrency market is understood as being more volatile than traditional asset classes. Therefore, modeling the volatility of cryptocurrencies is important for making investment decisions. However, large swings in the market might be normal fo...

(This article belongs to the Special Issue Signatures of Maturity in Cryptocurrency Market)
  • Feature Paper
  • Article
  • Open Access
1,052 Views
26 Pages

Outlier Curve Detection in Functional Data Using Robust FPCA

  • Wilson Pérez-Rocano,
  • Antonio Gabriel López-Herrera and
  • Manuel Escabias

14 March 2026

We propose a robust method for outlier detection in functional data analysis. This approach uses the robust Minimum Covariance Determinant estimator to compute the Mahalanobis distance applied to functional principal component scores. The main contri...

(This article belongs to the Special Issue Statistical Data Modeling and Machine Learning with Applications, 4th Edition)
  • Article
  • Open Access
1 Citations
4,254 Views
20 Pages

11 December 2018

In frequentist inference, minimizing the Hellinger distance between a kernel density estimate and a parametric family produces estimators that are both robust to outliers and statistically efficient when the parametric family contains the data-genera...

(This article belongs to the Special Issue New Developments in Statistical Information Theory Based on Entropy and Divergence Measures)
  • Article
  • Open Access
35 Citations
8,614 Views
34 Pages

14 March 2013

Radiative transfer models predicting the bidirectional reflectance factor (BRF) of leaf canopies are powerful tools that relate biophysical parameters such as leaf area index (LAI), fractional vegetation cover fV and the fraction of photosyntheticall...

  • Article
  • Open Access
4 Citations
5,207 Views
14 Pages

25 December 2019

Clustering is widely used as an unsupervised learning algorithm. However, it is often necessary to manually enter the number of clusters, and the number of clusters has a great impact on the clustering effect. At present, researchers propose some alg...

(This article belongs to the Section Information Applications)
  • Article
  • Open Access
10 Citations
2,886 Views
23 Pages

13 February 2022

The need for oil spill monitoring systems has long been of concern in an attempt to contain damage with a rapid response time. When it comes to oil thickness estimation, few reliable methods capable of accurately measuring the thickness of thick oil...

(This article belongs to the Special Issue RADAR Sensors and Digital Signal Processing)
  • Article
  • Open Access
6 Citations
4,132 Views
11 Pages

Robust Multiple Regression

  • David W. Scott and
  • Zhipeng Wang

9 January 2021

As modern data analysis pushes the boundaries of classical statistics, it is timely to reexamine alternate approaches to dealing with outliers in multiple regression. As sample sizes and the number of predictors increase, interactive methodology beco...

(This article belongs to the Special Issue Nonparametric Statistical Inference with an Emphasis on Information-Theoretic Methods)
  • Article
  • Open Access
1 Citations
826 Views
38 Pages

On Stacy’s Generalized Gamma Competing Risks Model: Estimation Procedure with Applications to Blood Cancer Data

  • Farouq Mohammad A. Alam,
  • Abdulkader Monier Daghistani and
  • Dulayel Almufarrej

28 November 2025

Competing risks modeling plays a pivotal role in both reliability analysis for scientific and engineering fields and survival analysis within medical research. In real-world scenarios, failure or death (from a biological perspective) often arises fro...

(This article belongs to the Special Issue Statistical Simulation and Computation: 3rd Edition)
  • Article
  • Open Access
747 Views
36 Pages

On Minimum Bregman Divergence Inference

  • Soumik Purkayastha and
  • Ayanendranath Basu

13 February 2026

The density power divergence (DPD) is a well-studied member of the Bregman divergence family and forms the basis of widely used minimum divergence estimators that balance efficiency and robustness. In this paper, we introduce and study a new sub-clas...

(This article belongs to the Section D1: Probability and Statistics)
  • Article
  • Open Access
27 Citations
8,705 Views
22 Pages

21 February 2014

Shot-noise processes generalize compound Poisson processes in the following way: a jump (the shot) is followed by a decline (noise). This constitutes a useful model for insurance claims in many circumstances; claims due to natural disasters or self-e...

(This article belongs to the Special Issue Application of Stochastic Processes in Insurance)
  • Article
  • Open Access
2 Citations
2,543 Views
8 Pages

23 April 2019

We introduce new equivalence tests for approximate independence in two-way contingency tables. The critical values are calculated asymptotically. The finite sample performance of the tests is improved by means of the bootstrap. An estimator of bounda...

  • Article
  • Open Access
1 Citations
2,922 Views
20 Pages

24 March 2021

Hellinger distance has been widely used to derive objective functions that are alternatives to maximum likelihood methods. While the asymptotic distributions of these estimators have been well investigated, the probabilities of rare events induced by...

(This article belongs to the Special Issue Robust Procedures for Estimating and Testing in the Framework of Divergence Measures)
  • Article
  • Open Access
4 Citations
1,302 Views
26 Pages

17 May 2025

This paper investigates various estimation methods for the parameters of the unit Lindley distribution (U-LD) under both ranked set sampling (RSS) and simple random sampling (SRS) designs. The distribution parameters are estimated using the maximum l...

  • Article
  • Open Access
13 Citations
5,606 Views
15 Pages

Judgments of Object Size and Distance across Different Virtual Reality Environments: A Preliminary Study

  • Hannah Park,
  • Nafiseh Faghihi,
  • Manish Dixit,
  • Jyotsna Vaid and
  • Ann McNamara

4 December 2021

Emerging technologies offer the potential to expand the domain of the future workforce to extreme environments, such as outer space and alien terrains. To understand how humans navigate in such environments that lack familiar spatial cues this study...

(This article belongs to the Collection Virtual and Augmented Reality Systems)
  • Article
  • Open Access
2 Citations
2,945 Views
36 Pages

30 January 2025

We investigate the performance of estimators of the generalized empirical likelihood and minimum contrast families in the estimation of dynamic stochastic general equilibrium models, with particular attention to the robustness properties under misspe...

(This article belongs to the Special Issue Entropy-Based Applications in Economics, Finance and Management, 3rd Edition)
  • Article
  • Open Access
28 Citations
5,817 Views
14 Pages

Unique 4-DOF Relative Pose Estimation with Six Distances for UWB/V-SLAM-Based Devices

  • Francisco Molina Martel,
  • Juri Sidorenko,
  • Christoph Bodensteiner,
  • Michael Arens and
  • Urs Hugentobler

9 October 2019

In this work we introduce a relative localization method that estimates the coordinate frame transformation between two devices based on distance measurements. We present a linear algorithm that calculates the relative pose in 2D or 3D with four degr...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
10 Citations
2,689 Views
10 Pages

Reliability Analysis of Small-Sample Failure Data for Random Truncation High-Voltage Relay

  • Yingzhi Zhang,
  • Feng Han,
  • Fang Yang,
  • Xiaofeng Wang and
  • Yutong Zhou

6 June 2024

In order to model and evaluate the reliability of long-life high-voltage relays with small-sample fault data characteristics, a reliability analysis method integrating average rank, the minimum mean square distance empirical distribution function, an...

  • Article
  • Open Access
37 Citations
7,203 Views
17 Pages

Evaluation of Infilling Methods for Time Series of Daily Temperature Data: Case Study of Limpopo Province, South Africa

  • Zakhele Phumlani Shabalala,
  • Mokhele Edmond Moeletsi,
  • Mphethe Isaac Tongwane and
  • Sabelo Marvin Mazibuko

3 July 2019

Incomplete climate records pose a major challenge to decision makers that utilize climate data as one of their main inputs. In this study, different climate data infilling methods (arithmetic averaging, inverse distance weighting, UK traditional, nor...

(This article belongs to the Special Issue Climate Services for Local Disaster Risk Reduction in Africa)
  • Article
  • Open Access
206 Views
31 Pages

16 October 2026

Accelerated life testing is an efficient methodology that enables the acquisition of failure time data in a shorter period by subjecting test units to different stress levels, compared to tests conducted under normal operating conditions. In this stu...

(This article belongs to the Topic Statistics and Data Science)
  • Article
  • Open Access
69 Citations
10,261 Views
17 Pages

AutoElbow: An Automatic Elbow Detection Method for Estimating the Number of Clusters in a Dataset

  • Adeiza James Onumanyi,
  • Daisy Nkele Molokomme,
  • Sherrin John Isaac and
  • Adnan M. Abu-Mahfouz

26 July 2022

The elbow technique is a well-known method for estimating the number of clusters required as a starting parameter in the K-means algorithm and certain other unsupervised machine-learning algorithms. However, due to the graphical output nature of the...

  • Article
  • Open Access
5 Citations
3,607 Views
15 Pages

4 May 2023

Platooning has emerged as a promising approach to enhancing the fuel efficiency of vehicles, but determining the inter-vehicular distance that achieves the minimum consumption remains a challenge. In this article, an algorithm is proposed that employ...

(This article belongs to the Special Issue Challenges in the Guidance, Navigation and Control of Autonomous and Transport Vehicles)
  • Article
  • Open Access
2 Citations
3,159 Views
17 Pages

MVDR-LSTM Distance Estimation Model Based on Diagonal Double Rectangular Array

  • Xiong Zhang,
  • Wenbo Wu,
  • Jialu Li,
  • Fan Dong and
  • Shuting Wan

26 May 2023

Deep learning algorithms have the advantages of a powerful time series prediction ability and the real-time processing of massive samples of big data. Herein, a new roller fault distance estimation method is proposed to address the problems of the si...

(This article belongs to the Special Issue Advanced Sensing for Mechanical Vibration and Fault Diagnosis)
  • Article
  • Open Access
3 Citations
6,465 Views
18 Pages

8 August 2022

White lions are a colour variant of the African lion Panthera leo melanochaita and disappeared from the wild due to anthropogenic factors until their reintroduction to the Greater Kruger Park Region of South Africa in 2006. Natural home range behavio...

(This article belongs to the Section Wildlife)
  • Article
  • Open Access
14 Citations
3,318 Views
19 Pages

3 September 2022

Maneuvering extended object tracking is a new research field due to the rapid development of modern sensor technology. Multiple measurements may be resolved from different unknown sources on an object by using a high-resolution radar. In this case, t...

(This article belongs to the Special Issue Radar High-Speed Target Detection, Tracking, Imaging and Recognition)
  • Article
  • Open Access
16 Citations
3,264 Views
23 Pages

Identification of Linear Time-Invariant Systems: A Least Squares of Orthogonal Distances Approach

  • Luis Alberto Cantera-Cantera,
  • Rubén Garrido,
  • Luis Luna,
  • Cristóbal Vargas-Jarillo and
  • Erick Asiain

3 March 2023

This work describes the parameter identification of servo systems using the least squares of orthogonal distances method. The parameter identification problem was reconsidered as data fitting to a plane, which in turn corresponds to a nonlinear minim...

(This article belongs to the Special Issue New Trends on Identification of Dynamic Systems)
  • Article
  • Open Access
32 Citations
10,950 Views
14 Pages

15 December 2022

The purpose of this study is to propose a framework for accurate and efficient vehicle distance estimation from a monocular camera. The proposed framework consists of a transformer-based object detector, a transformer-based depth estimator, and a dis...

  • Article
  • Open Access
11 Citations
5,797 Views
14 Pages

23 February 2020

This research aimed to propose a route optimization method for long-distance commuter bus service to improve the attraction of public transport as a sustainable travel mode. Taking the express bus services (EBS) in Changping Corridor in Beijing as an...

(This article belongs to the Special Issue Intelligent Transportation and Green Logistics with Big Data)
  • Article
  • Open Access
12 Citations
2,953 Views
16 Pages

12 August 2021

This study strengthens the external distance variation for the indoor positioning performance. With the received signal strength (RSS) of the unknown node, a localization is performed to positioning its coordinates. The mean square error (MSE) of loc...

(This article belongs to the Special Issue Selected Papers from 14th International Conference on Signal Processing and Communication Systems)
  • Article
  • Open Access
25 Citations
3,993 Views
20 Pages

Improved Indoor Fingerprinting Localization Method Using Clustering Algorithm and Dynamic Compensation

  • Jingxue Bi,
  • Lu Huang,
  • Hongji Cao,
  • Guobiao Yao and ,
  • Wengang Sang,
  • Jie Zhen and
  • Yuying Liu
  • + 2 authors+ 0 author

Many indoor fingerprinting localization methods are based on signal-domain distances with large localization error and low stability. An improved fingerprinting localization method using a clustering algorithm and dynamic compensation was proposed. I...

  • Article
  • Open Access
57 Citations
6,589 Views
17 Pages

Parameters Affecting Noise Emitted by Ships Moving in Port Areas

  • Marco Nastasi,
  • Luca Fredianelli,
  • Marco Bernardini,
  • Luca Teti and ,
  • Francesco Fidecaro and
  • Gaetano Licitra
  • + 1 author+ 0 author

21 October 2020

Only recently has noise been considered in the assessment of the sustainability of port infrastructures, after decades of unawareness. INTERREG Maritime projects unveiled problems that have been neglected so far, such as the lack of proper regulation...

(This article belongs to the Special Issue City and Port: Waterfront Integration for Sustainability)
  • Article
  • Open Access
9 Citations
4,833 Views
20 Pages

The vehicle routing problem (VRP) attempts to find optimal (minimum length) routes for a set of vehicles visiting a set of locations. Solving a VRP calls for a cost matrix between locations. The size of the matrix grows quadratically with an increasi...

  • Article
  • Open Access
9 Citations
3,525 Views
13 Pages

The impacts that climate change and land-use dynamics have on biodiversity are already visible in the distribution and behaviour of a large number of species. By using a Bayesian framework, including land-use, meteorological, topography and other var...

(This article belongs to the Section Global Health)
  • Article
  • Open Access
4 Citations
4,131 Views
25 Pages

This paper develops empirical relationships to estimate FAA/EASA and MIL-3013B rules-compliant take-off field performance for single and multi-engine aircraft. Recent experience with modern aircraft flight manuals revealed that popular empirical lega...

(This article belongs to the Special Issue Aircraft Conceptual Design: Tools, Processes and Examples)
  • Article
  • Open Access
17 Citations
6,053 Views
19 Pages

Vision-Based Distance Measurement in Advanced Driving Assistance Systems

  • Meng Ding,
  • Zhenzhen Zhang,
  • Xinyan Jiang and
  • Yunfeng Cao

17 October 2020

As the forward-looking depth information plays a considerable role in advanced driving assistance systems, in this paper, we first propose a method of depth map estimation based on semi-supervised learning, which uses the left and right views of bino...

(This article belongs to the Special Issue Intelligent Transportation Systems: Beyond Intelligent Vehicles)
  • Article
  • Open Access
1 Citations
3,033 Views
13 Pages

1 March 2024

Numerous robust estimators exist as alternatives to the maximum likelihood estimator (MLE) when a completely observed ground-up loss severity sample dataset is available. However, the options for robust alternatives to a MLE become significantly limi...

  • Article
  • Open Access
3 Citations
4,963 Views
15 Pages

Film Thickness Estimation for the Oil Applied to the Inner Surface of Slim Tubes

  • Jozef Svetlík,
  • Ján Buša,
  • Tomáš Brestovič,
  • Jozef Dobránsky and
  • Ján Kráľ

22 September 2017

The article deals with the approximation of the results of experimental measurement of coating of the inner surface of slim pipes with special oil, using a dispersion oil fraction. The reason for such treatment of the inner surface of the tubes is th...

(This article belongs to the Section Mechanical Engineering)
  • Communication
  • Open Access
447 Views
8 Pages

31 July 2026

The emergence of near-field communication as a part of sixth-generation (6G) communication necessitates accurate estimation of the link budget between two antennas operating in the near-field region. In this paper, we present an asymptotic expression...

(This article belongs to the Special Issue Emerging Wireless Propagation: Antenna Arrays and Microwave Sensing Technologies)
  • Article
  • Open Access
615 Views
16 Pages

Background and Objectives: Swimming has sprint and distance events, with current performance often driving selection rather than physiological characteristics of the athlete (e.g., muscle fiber type, blood lactate, etc.), especially among NCAA Divisi...

(This article belongs to the Special Issue Advances in Performance Analysis and Monitoring in Sport and Exercise: Bridging the Research–Practice Gap)
  • Article
  • Open Access
4 Citations
4,303 Views
18 Pages

Approximation Algorithms for Sorting λ-Permutations by λ-Operations

  • Guilherme Henrique Santos Miranda,
  • Alexsandro Oliveira Alexandrino,
  • Carla Negri Lintzmayer and
  • Zanoni Dias

1 June 2021

Understanding how different two organisms are is one question addressed by the comparative genomics field. A well-accepted way to estimate the evolutionary distance between genomes of two organisms is finding the rearrangement distance, which is the...

(This article belongs to the Section Randomized, Online, and Approximation Algorithms)
  • Feature Paper
  • Article
  • Open Access
15 Citations
4,040 Views
15 Pages

Joint Vital Signs and Position Estimation of Multiple Persons Using SIMO Radar

  • Ibrahim Kakouche,
  • Hamza Abadlia,
  • Mohammed Nabil El Korso,
  • Ammar Mesloub and ,
  • Abdelmadjid Maali and
  • Mohamed Salah Azzaz
  • + 1 author+ 0 author

16 November 2021

Respiration rate monitoring using ultra-wideband (UWB) radar is preferred because it provides contactless measurement without restricting the person’s privacy. This study considers a novel non-contact-based solution using a single-input multiple-outp...

(This article belongs to the Special Issue Modern Techniques in Radar Systems)
  • Feature Paper
  • Article
  • Open Access
953 Views
16 Pages

14 May 2026

Classical Algorithmic Information Theory (AIT) provides a rigorous foundation for information-based similarity measurement, but classical formulations and their compression-based approximations largely operate at the syntactic level, making them sens...

(This article belongs to the Special Issue Kolmogorov Complexity and Applications—Dedicated to Professor Paul Vitanyi on the Occasion of His 80th Birthday)
  • Article
  • Open Access
29 Citations
3,252 Views
26 Pages

Inverse Unit Teissier Distribution: Theory and Practical Examples

  • Najwan Alsadat,
  • Mohammed Elgarhy,
  • Kadir Karakaya,
  • Ahmed M. Gemeay and ,
  • Christophe Chesneau and
  • M. M. Abd El-Raouf
  • + 1 author+ 0 author

20 May 2023

In this paper, we emphasize a new one-parameter distribution with support as [1,+∞). It is constructed from the inverse method applied to an understudied one-parameter unit distribution, the unit Teissier distribution. Some properties are inves...

(This article belongs to the Special Issue Recent Advances in Statistical Modeling and Simulations with Applications)

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