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2,534 Results Found

  • Article
  • Open Access
952 Views
11 Pages

3 January 2025

The objective of this work is to propose the iteratively reweighted least squares concept to form a fiducial generalized pivotal quantity of the between-group variance component for the unbalanced variance components model. The fiducial generalized p...

  • Proceeding Paper
  • Open Access
1,573 Views
7 Pages

Watermark Embedding Scheme with Variance of Chromatic Components

  • Dur-e-Jabeen,
  • Faiza Waqqas,
  • Habib Shaukat,
  • Maria Fatima,
  • Rumaisa Iftikhar and
  • Tehmina Khan

This paper contains the idea of inserting a watermark with the variance of color components of the image. The color image is converted into CIE color space. Chromatic components are transformed into a sequency domain by applying the complex Hadamard...

  • Article
  • Open Access
1,864 Views
8 Pages

11 June 2022

A nonnegative variance estimation procedure is suggested for an unbalanced data where two factors are nested in another. Since the involved factors are all random, the approach is based on a nested three-way random model. The proposed method for the...

  • Article
  • Open Access
29 Citations
5,622 Views
23 Pages

Kriging with Unknown Variance Components for Regional Ionospheric Reconstruction

  • Ling Huang,
  • Hongping Zhang,
  • Peiliang Xu,
  • Jianghui Geng,
  • Cheng Wang and
  • Jingnan Liu

27 February 2017

Ionospheric delay effect is a critical issue that limits the accuracy of precise Global Navigation Satellite System (GNSS) positioning and navigation for single-frequency users, especially in mid- and low-latitude regions where variations in the iono...

  • Article
  • Open Access
4 Citations
2,012 Views
16 Pages

31 January 2024

Spatiotemporal disease mapping modeling with count data is gaining increasing prominence. This approach serves as a benchmark in developing early warning systems for diverse disease types. Spatiotemporal modeling, characterized by its inherent comple...

  • Article
  • Open Access
26 Citations
8,337 Views
17 Pages

Helmert Variance Component Estimation for Multi-GNSS Relative Positioning

  • Mowen Li,
  • Wenfeng Nie,
  • Tianhe Xu,
  • Adria Rovira-Garcia,
  • Zhenlong Fang and
  • Guochang Xu

25 January 2020

The Multi-constellation Global Navigation Satellite System (Multi-GNSS) has become the standard implementation of high accuracy positioning and navigation applications. It is well known that the noise of code and phase measurements depend on GNSS con...

  • Article
  • Open Access
2 Citations
1,873 Views
19 Pages

7 August 2023

When there is uncertainty in the value of parameters of the input random components of a stochastic simulation model, two-level nested simulation algorithms are used to estimate the expectation of performance variables of interest. In the outer level...

  • Article
  • Open Access
1,447 Views
25 Pages

3 September 2025

The stochastic model in Precise Point Positioning (PPP) defines the statistical properties of observations and the dynamic behavior of parameters. An inaccurate stochastic model can degrade positioning accuracy, ambiguity resolution, and other aspect...

  • Article
  • Open Access
11 Citations
4,060 Views
13 Pages

31 August 2018

The combination of multiple Global Navigation Satellite Systems (GNSSs) may improve the performance of time and frequency transfers by increasing the number of available satellites and improving the time dilution of precision. However, the receiver c...

  • Article
  • Open Access
9 Citations
4,423 Views
15 Pages

20 June 2017

The Multiple Mobile Robot (MMR) cooperative system is becoming a focus of study in various fields due to its advantages, such as high efficiency and good fault tolerance. However, the uncertainty and nonlinearity problems severely limit the cooperati...

  • Article
  • Open Access
5 Citations
3,505 Views
21 Pages

4 March 2023

Drought is the most complex abiotic stress for crop production at the global level. Therefore, developing new African spider plant genotypes tolerant to drought stress is one of the best approaches to achieving and optimizing high yield potential wit...

  • Article
  • Open Access
12 Citations
4,123 Views
20 Pages

7 September 2020

Mobile platform visual image sequence inevitably has large areas with various types of weak textures, which affect the acquisition of accurate pose in the subsequent platform moving process. The visual–inertial odometry (VIO) with point feature...

  • Article
  • Open Access
12 Citations
4,307 Views
15 Pages

25 July 2017

As a typical navigation system, the strapdown inertial navigation system (SINS) is crucial for autonomous underwater vehicles (AUVs) since the SINS accuracy determines the performance of AUVs. Initial alignment is one of the key technologies in SINS,...

  • Article
  • Open Access
47 Citations
8,562 Views
19 Pages

29 June 2016

The integration of the Global Positioning System (GPS) and the Inertial Navigation System (INS) based on Real-time Kinematic (RTK) and Single Point Positioning (SPP) technology have been applied as a powerful approach in kinematic positioning and att...

  • Article
  • Open Access
10 Citations
2,909 Views
20 Pages

20 December 2022

Offset tracking technology is widely studied to evaluate glacier surface displacements. However, few studies have used a cross-platform to this end. In this study, two heterogeneous data sources, Sentinel-1 and Landsat 8, from January 2019 to January...

  • Article
  • Open Access
1 Citations
2,076 Views
24 Pages

22 September 2023

Soil moisture (SM) is a vital climate variable in the interaction process between the Earth’s atmosphere and land. However, global soil moisture products from various satellite missions and land surface models are affected by inherently discont...

  • Article
  • Open Access
4 Citations
2,328 Views
10 Pages

Estimation of (Co) Variance Components and Genetic Parameters for Pre- and Post-Weaning Growth Traits in Dağlıç Sheep

  • Serdar Koçak,
  • Samet Çinkaya,
  • Mustafa Tekerli,
  • Mustafa Demirtaş,
  • Zehra Bozkurt,
  • Koray Çelikeloğlu,
  • Özlem Hacan and
  • Metin Erdoğan

27 December 2023

The goal of this study was to estimate (co) variance components and genetic parameters for pre- and post-weaning growth traits in Dağlıç sheep, considering the direct additive genetic, maternal genetic, and maternal permanent environ...

  • Article
  • Open Access
2 Citations
2,303 Views
12 Pages

9 September 2022

Although the bioconversion of lignocellulosic residues is essential for nutrient storage in forest floors, little is known about the mechanisms behind wood decay and its interactions with site-specific belowground microbial community composition and...

  • Article
  • Open Access
3 Citations
2,866 Views
8 Pages

8 June 2020

(1) Background: Ranking traits are used commonly for breeding purposes in several equine populations; however, implementation is complex, because the position of a horse in a competition event is discontinuous and is influenced by the performance of...

  • Article
  • Open Access
13 Citations
3,073 Views
21 Pages

Genetic Variance Estimation over Time in Broiler Breeding Programmes for Growth and Reproductive Traits

  • Bolívar Samuel Sosa-Madrid,
  • Gerasimos Maniatis,
  • Noelia Ibáñez-Escriche,
  • Santiago Avendaño and
  • Andreas Kranis

24 October 2023

Monitoring the genetic variance of traits is a key priority to ensure the sustainability of breeding programmes in populations under directional selection, since directional selection can decrease genetic variation over time. Studies monitoring chang...

  • Article
  • Open Access
1 Citations
303 Views
13 Pages

28 August 2019

In within-subject and within-examiner repeated measures designs, measures of heterophoria with the manual prism cover test achieve standard deviations between 0.5 and 0.8 deg. We addressed the question how this total noise is composed of variable err...

  • Article
  • Open Access
7 Citations
3,823 Views
19 Pages

Improvement of Multi-GNSS Precision and Success Rate Using Realistic Stochastic Model of Observations

  • Farinaz Mirmohammadian,
  • Jamal Asgari,
  • Sandra Verhagen and
  • Alireza Amiri-Simkooei

23 December 2021

With the advancement of multi-constellation and multi-frequency global navigation satellite systems (GNSSs), more observations are available for high precision positioning applications. Although there is a lot of progress in the GNSS world, achieving...

  • Article
  • Open Access
7 Citations
3,304 Views
18 Pages

6 January 2022

Stochastic models play a crucial role in global navigation satellite systems (GNSS) data processing. Many studies contribute to the stochastic modeling of GNSS observation noise, whereas few studies focus on the stochastic modeling of process noise....

  • Article
  • Open Access
17 Citations
4,047 Views
13 Pages

Genomic Prediction and Association Analysis with Models Including Dominance Effects for Important Traits in Chinese Simmental Beef Cattle

  • Ying Liu,
  • Lei Xu,
  • Zezhao Wang,
  • Ling Xu,
  • Yan Chen,
  • Lupei Zhang,
  • Lingyang Xu,
  • Xue Gao,
  • Huijiang Gao and
  • Junya Li
  • + 1 author

1 December 2019

Non-additive effects play important roles in determining genetic changes with regard to complex traits; however, such effects are usually ignored in genetic evaluation and quantitative trait locus (QTL) mapping analysis. In this study, a two-componen...

  • Article
  • Open Access
5 Citations
2,590 Views
11 Pages

Do Seedlings Derived from Pinewood Nematode-Resistant Pinus thunbergii Parl. Clones Selected in Southwestern Region Perform Well in Northern Regions in Japan? Inferences from Nursery Inoculation Tests

  • Koji Matsunaga,
  • Taiichi Iki,
  • Tomonori Hirao,
  • Mineko Ohira,
  • Taro Yamanobe,
  • Masakazu G. Iwaizumi,
  • Masahiro Miura,
  • Keiya Isoda,
  • Manabu Kurita and
  • Atsushi Watanabe
  • + 1 author

1 September 2020

Background and Objectives: To determine whether the progeny of pinewood nematode-resistant Pinus thunbergii Parl. clones selected in the southwestern region of Japan could be successful in reforestation in the northern region, we investigated the mag...

  • Article
  • Open Access
4 Citations
2,924 Views
21 Pages

2 November 2020

Research Highlights: An algorithm is presented that allows for the analysis of full-sib genetic datasets using generalized mixed-model software programs. The algorithm produces variance component estimates, genetic parameter estimates, and Best Linea...

  • Article
  • Open Access
13 Citations
3,881 Views
17 Pages

2 June 2021

Recent studies suggest that decomposing a series of electricity spot prices into a trend-seasonal and a stochastic component, modeling them independently, and then combining their forecasts can yield more accurate predictions than an approach in whic...

  • Article
  • Open Access
1 Citations
1,202 Views
18 Pages

26 December 2024

The accuracy and stability of Very Long Baseline Interferometry (VLBI) systems are essential for maintaining global geodetic reference frames such as the International Terrestrial Reference Frame (ITRF). This study focuses on the precise determinatio...

  • Article
  • Open Access
38 Citations
5,547 Views
26 Pages

6 August 2018

Recent electricity price forecasting (EPF) studies suggest that the least absolute shrinkage and selection operator (LASSO) leads to well performing models that are generally better than those obtained from other variable selection schemes. By conduc...

  • Article
  • Open Access
17 Citations
5,016 Views
21 Pages

29 May 2021

Structural equation modeling (SEM) has been proposed to estimate generalizability theory (GT) variance components, primarily focusing on estimating relative error to calculate generalizability coefficients. Proposals for estimating absolute-error com...

  • Article
  • Open Access
5 Citations
2,815 Views
24 Pages

4 December 2024

This research proposes a novel modeling method for integrating IMU arrays into multi-sensor kinematic positioning/navigation systems. This method characterizes sensor errors (biases/scale factor errors) for each IMU in an IMU array, leveraging the no...

  • Article
  • Open Access
5 Citations
2,033 Views
21 Pages

Asphalt pavement maintenance section classification is an important prerequisite for accurately determining asphalt pavement maintenance needs and formulating accurate maintenance plans. This paper introduces the three-dimensional (3D) ground-penetra...

  • Article
  • Open Access
5 Citations
3,503 Views
19 Pages

26 March 2023

In recent years, numerous smartphones have been equipped with global navigation satellite system (GNSS) technology, enabling individuals to utilize their own devices for positioning and navigation purposes. In 2016, with the launch of a mobile app by...

  • Article
  • Open Access
528 Views
28 Pages

14 December 2025

This article addresses anomaly detection in multichannel spatiotemporal data under strict low-false-alarm constraints (e.g., 1% False Positive Rate, FPR), a requirement essential for safety-critical applications such as signal interference monitoring...

  • Article
  • Open Access
1 Citations
2,696 Views
11 Pages

Generalizability Theory in the Evaluation of Psychological Profile in Track and Field

  • Cristina Sanz-Fernández,
  • Verónica Morales-Sánchez,
  • Julen Castellano and
  • Antonio Hernández Mendo

4 May 2024

Generalizability theory (GT) has been used throughout the scientific literature to ensure validity, reliability, and generalizability in different sport contexts. However, there is a small number of studies examining the measurement of psychological...

  • Article
  • Open Access
2,597 Views
20 Pages

Coordinate Descent for Variance-Component Models

  • Anant Mathur,
  • Sarat Moka and
  • Zdravko Botev

28 September 2022

Variance-component models are an indispensable tool for statisticians wanting to capture both random and fixed model effects. They have applications in a wide range of scientific disciplines. While maximum likelihood estimation (MLE) is the most popu...

  • Article
  • Open Access
9 Citations
3,478 Views
22 Pages

9 September 2020

Due to the existence of environmental or human factors, and because of the instrument itself, there are many uncertainties in point clouds, which directly affect the data quality and the accuracy of subsequent processing, such as point cloud segmenta...

  • Article
  • Open Access
2 Citations
2,147 Views
13 Pages

13 May 2022

Urbanization is currently one of the most widespread disturbances urgently requiring empirical data regarding its effects on coastal ecosystems. The aim of this study was to compare patterns of variability in populations of the Mediterranean mussel,...

  • Feature Paper
  • Article
  • Open Access
1 Citations
1,382 Views
20 Pages

Genetic Parameter Estimates for Growth of Hāpuku (Groper, Polyprion oxygeneios) in Land-Based Aquaculture Using Random Regression Models

  • Mark D. Camara,
  • Jane E. Symonds,
  • Seumas P. Walker,
  • Dave McQueen,
  • Yann Gublin,
  • Glen Irvine,
  • Steve M. Pether,
  • Andrew Forsythe and
  • Alvin N. Setiawan

25 September 2024

Hāpuku (Polyprion oxygeneios) is a promising candidate for aquaculture production in New Zealand. Methods for spawning, juvenile production, and growout to harvest entirely on land, where water quality, pathogens, environmental impacts, and gene...

  • Article
  • Open Access
5 Citations
4,805 Views
13 Pages

Gene-environment (GE) interaction has important implications in the etiology of complex diseases that are caused by a combination of genetic factors and environment variables. Several authors have developed GE analysis in the context of independent s...

  • Article
  • Open Access
6 Citations
3,443 Views
13 Pages

2 December 2019

The aim of the present study was to establish a standard methodology for the extraction of epoxy resin precursors from several types of food packages (cans, multi-layered composite material, and cups) with selected simulation media (distilled water,...

  • Article
  • Open Access
6 Citations
4,980 Views
15 Pages

GPS Coordinates for Modelling Correlated Herd Effects in Genomic Prediction Models Applied to Hanwoo Beef Cattle

  • Beatriz Castro Dias Cuyabano,
  • Gabriel Rovere,
  • Dajeong Lim,
  • Tae Hun Kim,
  • Hak Kyo Lee,
  • Seung Hwan Lee and
  • Cedric Gondro

9 July 2021

It is widely known that the environment influences phenotypic expression and that its effects must be accounted for in genetic evaluation programs. The most used method to account for environmental effects is to add herd and contemporary group to the...

  • Article
  • Open Access
3 Citations
2,011 Views
12 Pages

Application of Artificial Neural Networks to Predict Genotypic Values of Soybean Derived from Wide and Restricted Crosses for Relative Maturity Groups

  • Lígia de Oliveira Amaral,
  • Glauco Vieira Miranda,
  • Jardel da Silva Souza,
  • Alyce Carla Rodrigues Moitinho,
  • Dardânia Soares Cristeli,
  • Hortência Kardec da Silva,
  • Rafael Silva Ramos dos Anjos,
  • Luis Fernando Alliprandini and
  • Sandra Helena Unêda-Trevisoli

25 September 2023

The primary objective of soybean-breeding programs is to develop cultivars that offer both high grain yield and a maturity cycle tailored to the specific soil and climatic conditions of their cultivation. Therefore, predicting the genetic value is es...

  • Article
  • Open Access
666 Views
18 Pages

Storage and Ripening Monitoring of Pecorino Cheese Through 2D 1H-NMR Relaxation and ANOVA Simultaneous Component Analysis (ASCA): A Comparison with DSC and ATR-FTIR Characterization

  • Francesca Di Donato,
  • Francesco Gabriele,
  • Alessandra Biancolillo,
  • Cinzia Casieri,
  • Angelo Antonio D’Archivio and
  • Nicoletta Spreti

10 July 2025

In food processing, non-destructive and non-invasive characterization is a powerful tool for monitoring processes and controlling quality. Cheeses consist of a large variety of products whose nutritional and sensory properties depend on the source ma...

  • Article
  • Open Access
7 Citations
3,790 Views
25 Pages

1 June 2022

Remote sensing estimations of glacier flow velocity could provide effective methods for the long-term monitoring of glacier flow velocity. This paper calculated the velocity in the line-of-sight (LOS) direction by combining DInSAR and offset-tracking...

  • Article
  • Open Access
32 Citations
5,061 Views
24 Pages

Experimental Investigation and Multi-Response Optimization of Machinability of AA5005H34 Using Composite Desirability Coupled with PCA

  • Mohsin Iqbal Qazi,
  • Muhammad Abas,
  • Razaullah Khan,
  • Waqas Saleem,
  • Catalin Iulian Pruncu and
  • Muhammad Omair

31 January 2021

Minimum quantity lubricant (MQL) is an advanced technique in machining to achieve sustainability, productivity, higher precision, economic benefits, and a reduction in carbon footprints. The present research work aims to investigate the effect of the...

  • Article
  • Open Access
32 Citations
3,654 Views
19 Pages

ResRandSVM: Hybrid Approach for Acute Lymphocytic Leukemia Classification in Blood Smear Images

  • Adel Sulaiman,
  • Swapandeep Kaur,
  • Sheifali Gupta,
  • Hani Alshahrani,
  • Mana Saleh Al Reshan,
  • Sultan Alyami and
  • Asadullah Shaikh

Acute Lymphocytic Leukemia is a type of cancer that occurs when abnormal white blood cells are produced in the bone marrow which do not function properly, crowding out healthy cells and weakening the immunity of the body and thus its ability to resis...

  • Article
  • Open Access
15 Citations
5,786 Views
21 Pages

11 April 2022

As mobile robots are being widely used, accurate localization of the robot counts for the system. Compared with position systems with a single sensor, multi-sensor fusion systems provide better performance and increase the accuracy and robustness. At...

  • Article
  • Open Access
10 Citations
3,252 Views
16 Pages

Genetic Parameters of Growth Traits and Quantitative Genetic Metrics for Selection and Conservation of Mecheri Sheep of Tamil Nadu

  • Balakrishnan Balasundaram,
  • Aranganoor Kannan Thiruvenkadan,
  • Nagarajan Murali,
  • Jaganadhan Muralidharan,
  • Doraiswamy Cauveri and
  • Sunday Olusola Peters

28 January 2023

Determining the genetic and non-genetic sources of variation in a breed is vital for the formulation of strategies for its conservation and improvement. The present study was aimed at estimating the (co)variance components and genetic parameters of M...

  • Article
  • Open Access
246 Citations
17,066 Views
17 Pages

Automatic Epileptic Seizure Detection in EEG Signals Using Multi-Domain Feature Extraction and Nonlinear Analysis

  • Lina Wang,
  • Weining Xue,
  • Yang Li,
  • Meilin Luo,
  • Jie Huang,
  • Weigang Cui and
  • Chao Huang

27 May 2017

Epileptic seizure detection is commonly implemented by expert clinicians with visual observation of electroencephalography (EEG) signals, which tends to be time consuming and sensitive to bias. The epileptic detection in most previous research suffer...

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