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2,097 Results Found

  • Article
  • Open Access
109 Views
16 Pages

QR-FOLDA: A Fast Orthogonal Linear Discriminant Analysis Based on QR Decomposition

  • Yuchuan Liu,
  • Qiuxu Yi,
  • Yulin Deng,
  • Yu Rao,
  • Bocheng Wang and
  • Mi Zhang

10 March 2026

Orthogonal Linear Discriminant Analysis (OLDA) has been widely studied for dimensionality reduction, as the orthogonality constraints on its projection matrix enable more effective elimination of redundant features compared to conventional Linear Dis...

  • Article
  • Open Access
1 Citations
1,135 Views
18 Pages

In the field of video image processing, high definition is one of the main directions for future development. Faced with the curse of dimensionality caused by the increasingly large amount of ultra-high-definition video data, effective dimensionality...

  • Article
  • Open Access
11 Citations
2,801 Views
16 Pages

A Layering Linear Discriminant Analysis-Based Fault Diagnosis Method for Grid-Connected Inverter

  • Guangfeng Jin,
  • Tianzhen Wang,
  • Yassine Amirat,
  • Zhibin Zhou and
  • Tao Xie

Grid-connected inverters are the core equipment for connecting marine energy power generation systems to the public electric utility. The variation of current sensor fault severity will make fault samples multimodal. However, linear discriminant anal...

  • Communication
  • Open Access
1,019 Views
8 Pages

22 July 2025

Saccharides play important roles in human health and life. However, detecting and differentiating the saccharide types using one probe is difficult even under optimized conditions due to the similar structures of different saccharides. In this study,...

  • Article
  • Open Access
4 Citations
4,232 Views
12 Pages

2 February 2021

Polar Mesospheric Summer Echoes (PMSE) are distinct radar echoes from the Earth’s upper atmosphere between 80 to 90 km altitude that form in layers typically extending only a few km in altitude and often with a wavy structure. The structure is linked...

  • Communication
  • Open Access
20 Citations
2,392 Views
12 Pages

26 October 2023

The quality of milk is tightly linked to its brand. A famous brand of milk always has good quality. Therefore, this study seeks to design a new fuzzy feature extraction method, called fuzzy improved null linear discriminant analysis (FiNLDA), to clus...

  • Article
  • Open Access
5 Citations
2,198 Views
21 Pages

Joint Sparse Local Linear Discriminant Analysis for Feature Dimensionality Reduction of Hyperspectral Images

  • Cong-Yin Cao,
  • Meng-Ting Li,
  • Yang-Jun Deng,
  • Longfei Ren,
  • Yi Liu and
  • Xing-Hui Zhu

17 November 2024

Although linear discriminant analysis (LDA)-based subspace learning has been widely applied to hyperspectral image (HSI) classification, the existing LDA-based subspace learning methods exhibit several limitations: (1) They are often sensitive to noi...

  • Article
  • Open Access
2 Citations
2,047 Views
15 Pages

14 December 2024

In high-dimensional machine learning tasks, supervised feature extraction is essential for improving model performance, with Linear Discriminant Analysis (LDA) being a common approach. However, LDA tends to deliver suboptimal performance when dealing...

  • Article
  • Open Access
17 Citations
6,443 Views
15 Pages

Cross View Gait Recognition Using Joint-Direct Linear Discriminant Analysis

  • Jose Portillo-Portillo,
  • Roberto Leyva,
  • Victor Sanchez,
  • Gabriel Sanchez-Perez,
  • Hector Perez-Meana,
  • Jesus Olivares-Mercado,
  • Karina Toscano-Medina and
  • Mariko Nakano-Miyatake

22 December 2016

This paper proposes a view-invariant gait recognition framework that employs a unique view invariant model that profits from the dimensionality reduction provided by Direct Linear Discriminant Analysis (DLDA). The framework, which employs gait energy...

  • Communication
  • Open Access
18 Citations
2,764 Views
11 Pages

26 January 2023

The grade of tea is closely related to tea quality, so the identification of tea grade is an important task. In order to improve the identification capability of the tea grade system, a fuzzy maximum uncertainty linear discriminant analysis (FMLDA) m...

  • Article
  • Open Access
9 Citations
2,966 Views
17 Pages

13 March 2024

This study introduces an innovative approach for fault diagnosis of a multistage centrifugal pump (MCP) using explanatory ratio (ER) linear discriminant analysis (LDA). Initially, the method addresses the challenge of background noise and interferenc...

  • Article
  • Open Access
51 Citations
9,141 Views
23 Pages

Video-Based Human Activity Recognition Using Multilevel Wavelet Decomposition and Stepwise Linear Discriminant Analysis

  • Muhammad Hameed Siddiqi,
  • Rahman Ali,
  • Md. Sohel Rana,
  • Een-Kee Hong,
  • Eun Soo Kim and
  • Sungyoung Lee

4 April 2014

Video-based human activity recognition (HAR) means the analysis of motions and behaviors of human from the low level sensors. Over the last decade, automatic HAR is an exigent research area and is considered a significant concern in the field of comp...

  • Article
  • Open Access
24 Citations
6,261 Views
13 Pages

Determination of HPLC-UV Fingerprints of Spanish Paprika (Capsicum annuum L.) for Its Classification by Linear Discriminant Analysis

  • Xavier Cetó,
  • Núria Serrano,
  • Miriam Aragó,
  • Alejandro Gámez,
  • Miquel Esteban,
  • José Manuel Díaz-Cruz and
  • Oscar Núñez

18 December 2018

The development of a simple HPLC-UV method towards the evaluation of Spanish paprika’s phenolic profile and their discrimination based on the former is reported herein. The approach is based on C18 reversed-phase chromatography to generate char...

  • Article
  • Open Access
8 Citations
4,765 Views
24 Pages

5 December 2022

Due to the COVID-19 pandemic, the necessity for a contactless biometric system able to recognize masked faces drew attention to the periocular region as a valuable biometric trait. However, periocular recognition remains challenging for deployments i...

  • Article
  • Open Access
55 Citations
11,904 Views
19 Pages

13 November 2013

A new water index for SPOT5 High Resolution Geometrical (HRG) imagery normalized to surface reflectance, called the linear discriminant analysis water index (LDAWI), was created using training data from New South Wales (NSW), Australia and the multiv...

  • Article
  • Open Access
90 Citations
7,996 Views
17 Pages

A Feature Extraction Method Based on Differential Entropy and Linear Discriminant Analysis for Emotion Recognition

  • Dong-Wei Chen,
  • Rui Miao,
  • Wei-Qi Yang,
  • Yong Liang,
  • Hao-Heng Chen,
  • Lan Huang,
  • Chun-Jian Deng and
  • Na Han

5 April 2019

Feature extraction of electroencephalography (EEG) signals plays a significant role in the wearable computing field. Due to the practical applications of EEG emotion calculation, researchers often use edge calculation to reduce data transmission time...

  • Article
  • Open Access
4 Citations
3,365 Views
24 Pages

27 November 2022

The deterioration of concrete structures due to rebar corrosion is a key issue affecting the safety and service life of civil infrastructure. Reinforced concrete (RC) structures in coastal areas are subjected to harsh environmental conditions that ca...

  • Article
  • Open Access
29 Citations
6,975 Views
15 Pages

Identifying Plant Part Composition of Forest Logging Residue Using Infrared Spectral Data and Linear Discriminant Analysis

  • Gifty E. Acquah,
  • Brian K. Via,
  • Nedret Billor,
  • Oladiran O. Fasina and
  • Lori G. Eckhardt

27 August 2016

As new markets, technologies and economies evolve in the low carbon bioeconomy, forest logging residue, a largely untapped renewable resource will play a vital role. The feedstock can however be variable depending on plant species and plant part comp...

  • Article
  • Open Access
4 Citations
2,174 Views
13 Pages

Rapid Classification of Serum from Patients with Paracoccidioidomycosis Using Infrared Spectroscopy, Univariate Statistics, and Linear Discriminant Analysis (LDA)

  • Alessandra Koehler,
  • Maria Lúcia Scroferneker,
  • Nikolas Mateus Pereira de Souza,
  • Paulo Cezar de Moraes,
  • Beatriz Aparecida Soares Pereira,
  • Ricardo de Souza Cavalcante,
  • Rinaldo Pôncio Mendes and
  • Valeriano Antonio Corbellini

12 February 2024

Paracoccidioidomycosis (PCM) is a systemic mycosis that is diagnosed by visualizing the fungus in clinical samples or by other methods, like serological techniques. However, all PCM diagnostic methods have limitations. The aim of this study was to de...

  • Article
  • Open Access
4 Citations
2,806 Views
16 Pages

24 September 2020

Protein subnuclear localization plays an important role in proteomics, and can help researchers to understand the biologic functions of nucleus. To date, most protein datasets used by studies are unbalanced, which reduces the prediction accuracy of p...

  • Article
  • Open Access
9 Citations
3,501 Views
18 Pages

Human Angiotensin I-Converting Enzyme Produced by Different Cells: Classification of the SERS Spectra with Linear Discriminant Analysis

  • Irina Boginskaya,
  • Robert Safiullin,
  • Victoria Tikhomirova,
  • Olga Kryukova,
  • Natalia Nechaeva,
  • Naida Bulaeva,
  • Elena Golukhova,
  • Ilya Ryzhikov,
  • Olga Kost and
  • Ilya Kurochkin
  • + 1 author

Angiotensin I-converting enzyme (ACE) is a peptidase widely presented in human tissues and biological fluids. ACE is a glycoprotein containing 17 potential N-glycosylation sites which can be glycosylated in different ways due to post-translational mo...

  • Article
  • Open Access
1 Citations
2,755 Views
17 Pages

21 April 2021

In this paper, we propose a cooperative linear discriminant analysis (LDA)-based motion classification algorithm for distributed micro-Doppler (MD) radars which are connected to a data fusion center through the limited backhaul. Due to the limited ba...

  • Article
  • Open Access
9 Citations
5,587 Views
26 Pages

11 July 2019

A novel empirical approach to categorize oil slicks’ sea surface expressions in synthetic aperture radar (SAR) measurements into oil seeps or oil spills is investigated, contributing both to academic remote sensing research and to practical app...

  • Article
  • Open Access
5 Citations
2,741 Views
18 Pages

14 March 2020

In this paper, a direct-quadrature (D-Q) synchronous min–max coordinate system is proposed (as a new method) for diagnosing the occurrence of inter-turn short circuits (ITSC) of three-phase induction motors, and it was found that this method ca...

  • Article
  • Open Access
6 Citations
3,252 Views
20 Pages

Linear Discriminant Analysis for Investigating Differences in Upper Body Movement Symmetry in Horses before/after Diagnostic Analgesia in Relation to Expert Judgement

  • Thilo Pfau,
  • David M. Bolt,
  • Andrew Fiske-Jackson,
  • Carolin Gerdes,
  • Karl Hoenecke,
  • Lucy Lynch,
  • Melanie Perrier and
  • Roger K. W. Smith

17 March 2022

Diagnostic analgesia and lunging are parts of the equine lameness examination, aiding veterinarians in localizing the anatomical region(s) causing pain-related movement deficits. Expectation bias of visual assessment and complex movement asymmetry ch...

  • Article
  • Open Access
308 Views
26 Pages

The analysis of multivariate data is a central issue in biomedical research, where the accurate classification of patients and the extraction of reliable conclusions are of critical importance. Linear Discriminant Analysis (LDA) remains one of the mo...

  • Article
  • Open Access
43 Citations
4,237 Views
20 Pages

17 September 2019

Fusarium head blight (FHB) is one of the diseases caused by fungal infection of winter wheat (Triticum aestivum), which is an important cause of wheat yield loss. It produces the deoxynivalenol (DON) toxin, which is harmful to human and animal health...

  • Article
  • Open Access
4 Citations
2,463 Views
16 Pages

29 October 2023

Organic leafy vegetables face challenges related to potential substitution with non-organic products and vulnerability to dehydration and deterioration. To address these concerns, visible and near-infrared spectroscopy (VIS-NIR) combined with linear...

  • Article
  • Open Access
13 Citations
8,549 Views
13 Pages

4 June 2023

Major depressive disorder (MDD) and chronic fatigue syndrome (CFS) have overlapping symptoms, and differentiation is important to administer the proper treatment. The present study aimed to assess the usefulness of heart rate variability (HRV) indice...

  • Article
  • Open Access
1 Citations
1,697 Views
16 Pages

Recognition of EEG Features in Autism Disorder Using SWT and Fisher Linear Discriminant Analysis

  • Fahmi Fahmi,
  • Melinda Melinda,
  • Prima Dewi Purnamasari,
  • Elizar Elizar and
  • Aufa Rafiki

10 September 2025

Background/Objectives: An ASD diagnosis from EEG is challenging due to non-stationary, low-SNR signals and small cohorts. We propose a compact, interpretable pipeline that pairs a shift-invariant Stationary Wavelet Transform (SWT) with Fisher’s...

  • Article
  • Open Access
19 Citations
3,401 Views
15 Pages

22 January 2020

The thermal sensations of people differ from each other, even if they are in the same thermal conditions. The research was carried out in a didactic teaching room located in the building of the Faculty of Civil and Environmental Engineering in Poland...

  • Article
  • Open Access
10 Citations
3,004 Views
12 Pages

27 June 2022

Liquefied hydrogen storage vessels (LHSVs) are vulnerable to surface-crack initiation, propagation, and fracture on their surfaces because they are under high-pressure, low-temperature conditions. Defects can also occur in the coatings of the storage...

  • Article
  • Open Access
10 Citations
3,264 Views
24 Pages

28 June 2020

We classify low-backscatter regions observed in Synthetic Aperture Radar (SAR) measurements of the surface of the ocean as either oil slicks or look-alike slicks (radar false targets). Our proposed classification algorithm is based on Linear Discrimi...

  • Article
  • Open Access
6 Citations
5,203 Views
18 Pages

Diabetes mellitus is a growing public health problem affecting persons in both developed and developing nations. The prevalence of type 2 diabetes mellitus (T2DM) is reported to be several times higher among Indigenous populations compared to their n...

  • Article
  • Open Access
52 Citations
14,678 Views
10 Pages

14 October 2009

An electronic nose (E-nose) was employed to detect the aroma of green tea after different storage times. Longjing green tea dry leaves, beverages and residues were detected with an E-nose, respectively. In order to decrease the data dimensionality an...

  • Article
  • Open Access
1 Citations
1,498 Views
12 Pages

10 April 2025

Colorectal cancer is one of the most commonly diagnosed cancers in developed countries. Although the gold-standard diagnosis technique is the histological analysis of colon biopsies, it is important to investigate different diagnostic tools because t...

  • Article
  • Open Access
20 Citations
5,769 Views
23 Pages

10 January 2022

The pressure-volume diagram (p−V diagram) is an established method for analyzing the thermodynamic process in the cylinder of a reciprocating compressor as well as the fault of its core components including valves. The failure of suction/discha...

  • Article
  • Open Access
72 Citations
6,725 Views
15 Pages

A Linear Discriminant Analysis and Classification Model for Breast Cancer Diagnosis

  • Marion Olubunmi Adebiyi,
  • Micheal Olaolu Arowolo,
  • Moses Damilola Mshelia and
  • Oludayo O. Olugbara

11 November 2022

Although most cases are identified at a late stage, breast cancer is the most public malignancy amongst women globally. However, mammography for the analysis of breast cancer is not routinely available at all general hospitals. Prolonging the period...

  • Article
  • Open Access
7 Citations
3,912 Views
10 Pages

Return-to-Work Screening by Linear Discriminant Analysis of Heart Rate Variability Indices in Depressed Subjects

  • Toshikazu Shinba,
  • Keizo Murotsu,
  • Yosuke Usui,
  • Yoshinori Andow,
  • Hiroshi Terada,
  • Nobutoshi Kariya,
  • Yoshitaka Tatebayashi,
  • Yoshiki Matsuda,
  • Go Mugishima and
  • Takemi Matsui
  • + 2 authors

30 July 2021

Using a linear discriminant analysis of heart rate variability (HRV) indices, the present study sought to verify the usefulness of autonomic measurement in major depressive disorder (MDD) patients by assessing the feasibility of their return to work...

  • Article
  • Open Access
21 Citations
2,414 Views
14 Pages

7 May 2024

The quality of chrysanthemum tea has a great connection with its variety. Different types of chrysanthemum tea have very different efficacies and functions. Moreover, the discrimination of chrysanthemum tea varieties is a significant issue in the tea...

  • Article
  • Open Access
35 Citations
3,632 Views
14 Pages

7 March 2022

In order to quickly, nondestructively, and effectively distinguish red jujube varieties, based on the combination of fuzzy theory and improved LDA (iLDA), fuzzy improved linear discriminant analysis (FiLDA) algorithm was proposed to classify near-inf...

  • Article
  • Open Access
1 Citations
1,400 Views
18 Pages

Linear Discriminant Analysis for Predicting Net Blotch Severity in Spring Barley with Meteorological Data in Finland

  • Outi Ruusunen,
  • Marja Jalli,
  • Lauri Jauhiainen,
  • Mika Ruusunen and
  • Kauko Leiviskä

9 October 2024

Predictive information on plant diseases could help to reduce and optimize the usage of pesticides in agriculture. This research presents classification procedures with linear discriminant analysis to predict three possible severity levels of net blo...

  • Article
  • Open Access
7 Citations
1,498 Views
19 Pages

Readiness to Change and the Intention to Consume Novel Foods: Evidence from Linear Discriminant Analysis

  • Mirko Duradoni,
  • Marina Baroni,
  • Maria Fiorenza,
  • Martina Bellotti,
  • Gabriele Neri and
  • Andrea Guazzini

27 May 2025

The challenges associated with climate change have led to the need for pro-environmental behaviors, including the consumption of sustainable novel foods. Despite the importance of sustainable food for the environment, there is still a need to further...

  • Article
  • Open Access
2 Citations
943 Views
18 Pages

9 May 2025

The geographical origin identification of wolfberry is key to ensuring its medicinal and edible quality. To accurately identify the geographical origin, the Stacking-Orthogonal Linear Discriminant Analysis (OLDA) algorithm was proposed by combining O...

  • Article
  • Open Access
14 Citations
3,448 Views
12 Pages

Linear Discriminant Analysis-Based Dynamic Indoor Localization Using Bluetooth Low Energy (BLE)

  • Fazli Subhan,
  • Sajid Saleem,
  • Haseeb Bari,
  • Wazir Zada Khan,
  • Saqib Hakak,
  • Shafiq Ahmad and
  • Ahmed M. El-Sherbeeny

19 December 2020

Due to recent advances in wireless gadgets and mobile computing, the location-based services have attracted the attention of computing and telecommunication industries to launch location-based fast and accurate localization systems for tracking, moni...

  • Article
  • Open Access
3 Citations
5,334 Views
16 Pages

31 December 2014

In this paper, we present a pseudo optimization method for electronic nose (e-nose) data using region selection with feature feedback based on regularized linear discriminant analysis (R-LDA) to enhance the performance and cost functions of an e-nose...

  • Article
  • Open Access
14 Citations
3,416 Views
12 Pages

Diagnosis of Dental Fluorosis Using Micro-Raman Spectroscopy Applying a Principal Component-Linear Discriminant Analysis

  • Marco Antonio Zepeda-Zepeda,
  • Michel Picquart,
  • María Esther Irigoyen-Camacho and
  • Adriana Marcela Mejía-Gózalez

Dental fluorosis is an irreversible condition caused by excessive fluoride consumption during tooth formation and is considered a public health problem in several world regions. The objective of this study was to evaluate the capability of micro-Rama...

  • Article
  • Open Access
9 Citations
2,796 Views
28 Pages

Discriminant Analysis of Water Inrush Sources in the Weibei Coalfield, Shaanxi Province, China

  • Weifeng Xue,
  • Enke Hou,
  • Xia Zhao,
  • Yong Ye,
  • Paraskevas Tsangaratos,
  • Ioanna Ilia and
  • Wei Chen

23 January 2023

Water inrush disasters in mining areas are one of the most serious geological disasters in coal mining. The purpose of this study is to study the establishment of a water chemical database and water inrush source discrimination model in the Weibei co...

  • Article
  • Open Access
3 Citations
1,031 Views
15 Pages

Evaluating LDA and PLS-DA Algorithms for Food Authentication: A Chemometric Perspective

  • Martin Mészáros,
  • Jiří Sedlák,
  • Tomáš Bílek and
  • Aleš Vávra

21 November 2025

High-dimensional analytical datasets, such as those generated by inductively coupled plasma–mass spectrometry (ICP-MS), require robust computational frameworks for dimensionality reduction, classification, and model validation. This study prese...

  • Article
  • Open Access
4 Citations
2,219 Views
17 Pages

Kernel Reverse Neighborhood Discriminant Analysis

  • Wangwang Li,
  • Hengliang Tan,
  • Jianwei Feng,
  • Ming Xie,
  • Jiao Du,
  • Shuo Yang and
  • Guofeng Yan

Currently, neighborhood linear discriminant analysis (nLDA) exploits reverse nearest neighbors (RNN) to avoid the assumption of linear discriminant analysis (LDA) that all samples from the same class should be independently and identically distribute...

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