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1,036 Results Found

  • Article
  • Open Access
15 Citations
4,285 Views
15 Pages

16 March 2019

The new generation of atmospheric composition sensors such as TROPOMI is capable of providing spectra of high spatial and spectral resolution. To process this vast amount of spectral information, fast radiative transfer models (RTMs) are required. In...

  • Article
  • Open Access
1 Citations
1,402 Views
14 Pages

In this study, we propose the CVMFCC-DR (Complex-Valued Mel-Frequency Cepstral Coefficients Dimensionality Reduction) algorithm as an efficient method for reducing the dimensionality of speech signals. By utilizing the complex-valued MFCC technique,...

  • Feature Paper
  • Article
  • Open Access
11 Citations
4,048 Views
25 Pages

Exploring Dimensionality Reduction Techniques for Deep Learning Driven QSAR Models of Mutagenicity

  • Alexander D. Kalian,
  • Emilio Benfenati,
  • Olivia J. Osborne,
  • David Gott,
  • Claire Potter,
  • Jean-Lou C. M. Dorne,
  • Miao Guo and
  • Christer Hogstrand

30 June 2023

Dimensionality reduction techniques are crucial for enabling deep learning driven quantitative structure-activity relationship (QSAR) models to navigate higher dimensional toxicological spaces, however the use of specific techniques is often arbitrar...

  • Feature Paper
  • Article
  • Open Access
69 Citations
9,656 Views
29 Pages

Integration of Selective Dimensionality Reduction Techniques for Mineral Exploration Using ASTER Satellite Data

  • Hodjat Shirmard,
  • Ehsan Farahbakhsh,
  • Amin Beiranvand Pour,
  • Aidy M Muslim,
  • R. Dietmar Müller and
  • Rohitash Chandra

16 April 2020

There are a significant number of image processing methods that have been developed during the past decades for detecting anomalous areas, such as hydrothermal alteration zones, using satellite images. Among these methods, dimensionality reduction or...

  • Article
  • Open Access
6 Citations
2,911 Views
24 Pages

3 December 2024

The deployment of intrusion detection systems (IDSs) is essential for protecting network resources and infrastructure against malicious threats. Despite the wide use of various machine learning methods in IDSs, such systems often struggle to achieve...

  • Article
  • Open Access
1 Citations
1,699 Views
19 Pages

4 July 2024

In this study, we investigate the relationship between parameters and the dynamic behavior of traffic flow in road traffic systems, and we propose a segmented cost function to describe the effects of this flow on the dynamic gravity model at differen...

  • Article
  • Open Access
16 Citations
5,605 Views
24 Pages

15 April 2017

Indoor positioning methods based on fingerprinting and radio signals rely on the quality of the radio map. For example, for room-level classification purposes, it is required that the signal observations related to each room exhibit significant diffe...

  • Article
  • Open Access
1 Citations
1,977 Views
17 Pages

29 November 2023

Cancer, a genetic disease, is considered one of the leading causes of death globally and affects people of all ages. Ribonucleic acid sequencing (RNA-Seq) is a technique used to quantify the expression of genes of interest and can be used to classify...

  • Article
  • Open Access
1 Citations
4,213 Views
33 Pages

Ship Engine Model Selection by Applying Machine Learning Classification Techniques Using Imputation and Dimensionality Reduction

  • Kyriakos Skarlatos,
  • Grigorios Papageorgiou,
  • Panagiotis Biris,
  • Ekaterini Skamnia,
  • Polychronis Economou and
  • Sotirios Bersimis

The maritime is facing a gradual proliferation of data, which is frequently coupled with the presence of subpar information that contains missing and duplicate data, erroneous records, and flawed entries as a result of human intervention or a lack of...

  • Article
  • Open Access
2 Citations
2,278 Views
19 Pages

27 February 2024

Fires resulting from human activities, encompassing arson, electrical problems, smoking, cooking mishaps, and industrial accidents, necessitate understanding to facilitate effective prevention. This study investigates human-caused fires in Keelung Ci...

  • Article
  • Open Access
9 Citations
3,202 Views
24 Pages

Predictive Modeling of Delay in an LTE Network by Optimizing the Number of Predictors Using Dimensionality Reduction Techniques

  • Mirko Stojčić,
  • Milorad K. Banjanin,
  • Milan Vasiljević,
  • Dragana Nedić,
  • Aleksandar Stjepanović,
  • Dejan Danilović and
  • Goran Puzić

23 July 2023

Delay in data transmission is one of the key performance indicators (KPIs) of a network. The planning and design value of delay in network management is of crucial importance for the optimal allocation of network resources and their performance focus...

  • Article
  • Open Access
6 Citations
2,428 Views
22 Pages

5 May 2024

Loads and strains in critical areas play a crucial role in aircraft structural health monitoring, the tracking of individual aircraft lifespans, and the compilation of load spectra. Direct measurement of actual flight loads presents challenges. This...

  • Feature Paper
  • Article
  • Open Access
39 Citations
4,186 Views
16 Pages

21 April 2019

Although the group method of data handling (GMDH) is a self-organizing metaheuristic neural network capable of developing a classification function using influential input variables, the results can be improved by using some pre-processing steps. In...

  • Proceeding Paper
  • Open Access
6 Citations
2,306 Views
6 Pages

Comparison and Evaluation of Dimensionality Reduction Techniques for Hyperspectral Data Analysis

  • K Nivedita Priyadarshini,
  • V Sivashankari,
  • Sulochana Shekhar and
  • K Balasubramani

Hyperspectral datasets provide explicit ground covers with hundreds of bands. Filtering contiguous hyperspectral datasets potentially discriminates surface features. Therefore, in this study, a number of spectral bands are minimized without losing or...

  • Article
  • Open Access
7 Citations
4,124 Views
12 Pages

22 December 2020

This paper studies the use of three different approaches to reduce the dimensionality of a type of spectral–temporal features, called motion picture expert group (MPEG)-7 audio signature descriptors (ASD). The studied approaches include princip...

  • Article
  • Open Access
23 Citations
4,751 Views
28 Pages

27 August 2021

The power amplifier (PA) is the most critical subsystem in terms of linearity and power efficiency. Digital predistortion (DPD) is commonly used to mitigate nonlinearities while the PA operates at levels close to saturation, where the device presents...

  • Article
  • Open Access
5 Citations
2,203 Views
11 Pages

Thermal Imaging and Dimensionality Reduction Techniques for Subclinical Mastitis Detection in Dairy Sheep

  • Christos Tselios,
  • Dimitris Alexandropoulos,
  • Christos Pantopoulos and
  • Giorgos Athanasiou

15 June 2024

Subclinical mastitis is a common and economically significant disease that affects dairy sheep production. Thermal imaging presents a promising avenue for non-invasive detection, but existing methodologies often rely on simplistic temperature differe...

  • Review
  • Open Access
41 Citations
16,772 Views
38 Pages

Short Text Clustering Algorithms, Application and Challenges: A Survey

  • Majid Hameed Ahmed,
  • Sabrina Tiun,
  • Nazlia Omar and
  • Nor Samsiah Sani

27 December 2022

The number of online documents has rapidly grown, and with the expansion of the Web, document analysis, or text analysis, has become an essential task for preparing, storing, visualizing and mining documents. The texts generated daily on social media...

  • Article
  • Open Access
6 Citations
1,968 Views
24 Pages

Towards an Improved High-Throughput Phenotyping Approach: Utilizing MLRA and Dimensionality Reduction Techniques for Transferring Hyperspectral Proximal-Based Model to Airborne Images

  • Ramin Heidarian Dehkordi,
  • Gabriele Candiani,
  • Francesco Nutini,
  • Federico Carotenuto,
  • Beniamino Gioli,
  • Carla Cesaraccio and
  • Mirco Boschetti

27 January 2024

At present, it is critical to accurately monitor wheat crops to help decision-making processes in precision agriculture. This research aims to retrieve various wheat crop traits from hyperspectral data using machine learning regression algorithms (ML...

  • Article
  • Open Access
22 Citations
6,385 Views
16 Pages

A Framework for Detecting Thyroid Cancer from Ultrasound and Histopathological Images Using Deep Learning, Meta-Heuristics, and MCDM Algorithms

  • Rohit Sharma,
  • Gautam Kumar Mahanti,
  • Ganapati Panda,
  • Adyasha Rath,
  • Sujata Dash,
  • Saurav Mallik and
  • Ruifeng Hu

27 August 2023

Computer-assisted diagnostic systems have been developed to aid doctors in diagnosing thyroid-related abnormalities. The aim of this research is to improve the diagnosis accuracy of thyroid abnormality detection models that can be utilized to allevia...

  • Article
  • Open Access
3 Citations
2,410 Views
40 Pages

In this study, we focused on using microarray gene data from pancreatic sources to detect diabetes mellitus. Dimensionality reduction (DR) techniques were used to reduce the dimensionally high microarray gene data. DR methods like the Bessel function...

  • Article
  • Open Access
8 Citations
2,704 Views
22 Pages

6 December 2024

This paper presents an experimental investigation into the detection and classification of broken rotor bar (BRB) faults in a 1.1 kW squirrel cage induction motor (IM) across various load conditions and fault severities: 1.5 BRBs, 2 BRBs, 2.5 BRBs, a...

  • Proceeding Paper
  • Open Access
595 Views
9 Pages

An Improved Multi-Dimensional Data Reduction Using Information Gain and Feature Hashing Techniques

  • Usman Mahmud,
  • Abubakar Ado,
  • Hadiza Ali Umar and
  • Abdulkadir Abubakar Bichi

Sentiment analysis is a sub-field within Natural Language Processing (NLP), concentrating on the extraction and interpretation of user sentiments or opinions from textual data. Despite significant advancements in the analysis of online content, a con...

  • Article
  • Open Access
1 Citations
1,438 Views
23 Pages

Power consumption (PC) data are fundamental for optimizing energy use and managing industrial operations. However, with the widespread adoption of data-driven technologies in the energy sector, maintaining the integrity and quality of these data has...

  • Article
  • Open Access
4 Citations
2,563 Views
24 Pages

Quaternion Processing Techniques for Color Synthesized NDT Thermography

  • Pablo Venegas,
  • Rubén Usamentiaga,
  • Juan Perán and
  • Idurre Sáez de Ocáriz

15 January 2021

Infrared thermography is a widely used technology that has been successfully applied to many and varied applications. These applications include the use as a non-destructive testing tool to assess the integrity state of materials. The current level o...

  • Proceeding Paper
  • Open Access
3,222 Views
17 Pages

Picking an appropriate parameter setting (meta-parameters) for visualization and embedding techniques is a tedious task. However, especially when studying the latent representation generated by an autoencoder for unsupervised data analysis, it is als...

  • Article
  • Open Access
1,894 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
20 Citations
5,989 Views
30 Pages

27 February 2018

Recent trends on microbiology point out the urge to develop optical micro-tools with multifunctionalities such as simultaneous manipulation and sensing. Considering that miniaturization has been recognized as one of the most important paradigms of em...

  • Article
  • Open Access
11 Citations
2,864 Views
34 Pages

Microarray gene expression-based detection and classification of medical conditions have been prominent in research studies over the past few decades. However, extracting relevant data from the high-volume microarray gene expression with inherent non...

  • Article
  • Open Access
96 Citations
10,480 Views
29 Pages

17 February 2023

Audio-visual speech recognition (AVSR) is one of the most promising solutions for reliable speech recognition, particularly when audio is corrupted by noise. Additional visual information can be used for both automatic lip-reading and gesture recogni...

  • Article
  • Open Access
55 Citations
7,966 Views
21 Pages

Seabed Mapping in Coastal Shallow Waters Using High Resolution Multispectral and Hyperspectral Imagery

  • Javier Marcello,
  • Francisco Eugenio,
  • Javier Martín and
  • Ferran Marqués

2 August 2018

Coastal ecosystems experience multiple anthropogenic and climate change pressures. To monitor the variability of the benthic habitats in shallow waters, the implementation of effective strategies is required to support coastal planning. In this conte...

  • Article
  • Open Access
3 Citations
1,989 Views
14 Pages

17 June 2024

Bentonite slurry trenches are becoming increasingly popular in the excavation of trenches, especially for diaphragm wall construction. The problem that needs to be addressed is the stability of bentonite slurry trenches. This paper presents a stabili...

  • Article
  • Open Access
2 Citations
3,040 Views
15 Pages

28 September 2021

Manifold learning tries to find low-dimensional manifolds on high-dimensional data. It is useful to omit redundant data from input. Linear manifold learning algorithms have applicability for out-of-sample data, in which they are fast and practical es...

  • Article
  • Open Access
6 Citations
7,312 Views
20 Pages

Improving Dimensionality Reduction Projections for Data Visualization

  • Bardia Rafieian,
  • Pedro Hermosilla and
  • Pere-Pau Vázquez

4 September 2023

In data science and visualization, dimensionality reduction techniques have been extensively employed for exploring large datasets. These techniques involve the transformation of high-dimensional data into reduced versions, typically in 2D, with the...

  • Article
  • Open Access
13 Citations
7,994 Views
24 Pages

21 July 2014

This paper presents a comparison between the electroencephalogram (EEG) channels during scoliosis correction surgeries. Surgeons use many hand tools and electronic devices that directly affect the EEG channels. These noises do not affect the EEG chan...

  • Article
  • Open Access
4 Citations
5,763 Views
20 Pages

Evaluating Interactive Visualization of Multidimensional Data Projection with Feature Transformation

  • Kai Xu,
  • Leishi Zhang,
  • Daniel Pérez,
  • Phong H. Nguyen and
  • Adam Ogilvie-Smith

There has been extensive research on dimensionality reduction techniques. While these make it possible to present visually the high-dimensional data in 2D or 3D, it remains a challenge for users to make sense of such projected data. Recently, interac...

  • Article
  • Open Access
3 Citations
2,950 Views
25 Pages

Semi-Supervised Multi-Label Dimensionality Reduction Learning by Instance and Label Correlations

  • Runxin Li,
  • Jiaxing Du,
  • Jiaman Ding,
  • Lianyin Jia,
  • Yinong Chen and
  • Zhenhong Shang

3 February 2023

The label learning mechanism is challenging to integrate into the training model of the multi-label feature space dimensionality reduction problem, making the current multi-label dimensionality reduction methods primarily supervision modes. Many meth...

  • Article
  • Open Access
890 Views
28 Pages

Optimising Text Classification in Social Networks via Deep Learning-Based Dimensionality Reduction

  • Jose A. Diaz-Garcia,
  • Andrea Morales-Garzón,
  • Karel Gutiérrez-Batista and
  • Maria J. Martin-Bautista

27 August 2025

Text classification is essential for handling the large volume of user-generated textual content in social networks. Nowadays, dense word representation techniques, especially those yielded by large language models, capture rich semantic and contextu...

  • Article
  • Open Access
1 Citations
1,016 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
2 Citations
5,975 Views
13 Pages

The uncertainties in various Electromagnetic (EM) problems may present a significant effect on the properties of the involved field components, and thus, they must be taken into consideration. However, there are cases when a number of stochastic inpu...

  • Article
  • Open Access
1 Citations
3,228 Views
11 Pages

6 July 2024

Dimension reduction is a technique used to transform data from a high-dimensional space into a lower-dimensional space, aiming to retain as much of the original information as possible. This approach is crucial in many disciplines like engineering, b...

  • Article
  • Open Access
2,064 Views
28 Pages

9 August 2023

Long-staple cotton from Xinjiang is renowned for its exceptional quality. However, it is susceptible to contamination with plastic film during mechanical picking. To address the issue of tricky removal of film in seed cotton, a technique based on hyp...

  • Article
  • Open Access
2 Citations
4,950 Views
17 Pages

As artificial intelligence has evolved, deep learning models have become important in extracting and interpreting complex patterns from raw multidimensional data. These models produce multidimensional embeddings that, while containing a lot of inform...

  • Article
  • Open Access
1 Citations
2,299 Views
24 Pages

Dimensionality Reduction and Anomaly Detection Based on Kittler’s Taxonomy: Analyzing Water Bodies in Two Dimensional Spaces

  • Giovanna Carreira Marinho,
  • Wilson Estécio Marcílio Júnior,
  • Mauricio Araujo Dias,
  • Danilo Medeiros Eler,
  • Rogério Galante Negri and
  • Wallace Casaca

19 August 2023

Dimensionality reduction is one of the most used transformations of data and plays a critical role in maintaining meaningful properties while transforming data from high- to low-dimensional spaces. Previous studies, e.g., on image analysis, comparing...

  • Article
  • Open Access
7 Citations
5,762 Views
19 Pages

HyperVein: A Hyperspectral Image Dataset for Human Vein Detection

  • Henry Ndu,
  • Akbar Sheikh-Akbari,
  • Jiamei Deng and
  • Iosif Mporas

8 February 2024

HyperSpectral Imaging (HSI) plays a pivotal role in various fields, including medical diagnostics, where precise human vein detection is crucial. HyperSpectral (HS) image data are very large and can cause computational complexities. Dimensionality re...

  • Feature Paper
  • Article
  • Open Access
30 Citations
9,123 Views
30 Pages

Visual Analytics for Dimension Reduction and Cluster Analysis of High Dimensional Electronic Health Records

  • Sheikh S. Abdullah,
  • Neda Rostamzadeh,
  • Kamran Sedig,
  • Amit X. Garg and
  • Eric McArthur

Recent advancement in EHR-based (Electronic Health Record) systems has resulted in producing data at an unprecedented rate. The complex, growing, and high-dimensional data available in EHRs creates great opportunities for machine learning techniques...

  • Article
  • Open Access
1 Citations
1,436 Views
23 Pages

24 December 2024

Detecting binary changes in co-registered bitemporal hyperspectral images (HSIs) using deep learning methods is challenging due to the high dimensionality of spectral data and significant variations between images. To address this challenge, previous...

  • Article
  • Open Access
12 Citations
4,535 Views
22 Pages

Dimensionality reduction techniques are often used by researchers in order to make high dimensional data easier to interpret visually, as data visualization is only possible in low dimensional spaces. Recent research in nonlinear dimensionality reduc...

  • Article
  • Open Access
5 Citations
4,008 Views
17 Pages

11 November 2020

A spectral acceleration approach for the spherical harmonics discrete ordinate method (SHDOM) is designed. This approach combines the correlated k-distribution method and some dimensionality reduction techniques applied on the optical parameters of a...

  • Article
  • Open Access
22 Citations
4,892 Views
17 Pages

Assessment of Component Selection Strategies in Hyperspectral Imagery

  • Edurne Ibarrola-Ulzurrun,
  • Javier Marcello and
  • Consuelo Gonzalo-Martin

5 December 2017

Hyperspectral imagery (HSI) integrates many continuous and narrow bands that cover different regions of the electromagnetic spectrum. However, the main challenge is the high dimensionality of HSI data due to the ’Hughes’ phenomenon. Thus, dimensional...

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