Skip Content
You are currently on the new version of our website. Access the old version .

1,917 Results Found

  • Article
  • Open Access
18 Citations
5,198 Views
20 Pages

Many machine learning problem domains, such as the detection of fraud, spam, outliers, and anomalies, tend to involve inherently imbalanced class distributions of samples. However, most classification algorithms assume equivalent sample sizes for eac...

  • Feature Paper
  • Article
  • Open Access
7 Citations
3,360 Views
17 Pages

12 May 2024

This paper describes a solution for the image density classification problem (DCP) using an entirely distributed system with only local processing of information named cellular automata (CA). The proposed solution uses two cellular automata’s f...

  • Article
  • Open Access
1 Citations
1,889 Views
35 Pages

Density Classification with Non-Unitary Quantum Cellular Automata

  • Elisabeth Wagner,
  • Federico Dell’Anna,
  • Ramil Nigmatullin and
  • Gavin K. Brennen

31 December 2024

The density classification (DC) task, a computation which maps global density information to local density, is studied using one-dimensional non-unitary quantum cellular automata (QCAs). Two approaches are considered: one that preserves the number de...

  • Article
  • Open Access
24 Citations
5,123 Views
16 Pages

TwoViewDensityNet: Two-View Mammographic Breast Density Classification Based on Deep Convolutional Neural Network

  • Mariam Busaleh,
  • Muhammad Hussain,
  • Hatim A. Aboalsamh,
  • Fazal-e-Amin and
  • Sarah A. Al Sultan

5 December 2022

Dense breast tissue is a significant factor that increases the risk of breast cancer. Current mammographic density classification approaches are unable to provide enough classification accuracy. However, it remains a difficult problem to classify bre...

  • Article
  • Open Access
1 Citations
3,195 Views
12 Pages

16 December 2019

To solve the small sample size (SSS) problem in the classification of hyperspectral image, a novel classification method based on diverse density and sparse representation (NCM_DDSR) is proposed. In the proposed method, the dictionary atoms, which le...

  • Article
  • Open Access
3 Citations
2,213 Views
21 Pages

29 November 2022

Point cloud classification is a key step for three-dimensional (3D) scene analysis in terrestrial laser scanning but is commonly affected by density variation. Many density-adaptive methods are used to weaken the impact of density variation and angul...

  • Article
  • Open Access
1,857 Views
27 Pages

A Deep Learning Approach for the Classification of Fibroglandular Breast Density in Histology Images of Human Breast Tissue

  • Hanieh Heydarlou,
  • Leigh J. Hodson,
  • Mohsen Dorraki,
  • Theresa E. Hickey,
  • Wayne D. Tilley,
  • Eric Smith,
  • Wendy V. Ingman and
  • Ali Farajpour

28 January 2025

Background: To progress research into the biological mechanisms that link mammographic breast density to breast cancer risk, fibroglandular breast density can be used as a surrogate measure. This study aimed to develop a computational tool to classif...

  • Article
  • Open Access
53 Citations
7,617 Views
23 Pages

Breast Density Classification Using Local Quinary Patterns with Various Neighbourhood Topologies

  • Andrik Rampun,
  • Bryan William Scotney,
  • Philip John Morrow,
  • Hui Wang and
  • John Winder

This paper presents an extension of work from our previous study by investigating the use of Local Quinary Patterns (LQP) for breast density classification in mammograms on various neighbourhood topologies. The LQP operators are used to capture the t...

  • Article
  • Open Access
1 Citations
2,808 Views
25 Pages

30 March 2022

Breast density has been recognised as an important biomarker that indicates the risk of developing breast cancer. Accurate classification of breast density plays a crucial role in developing a computer-aided detection (CADe) system for mammogram inte...

  • Article
  • Open Access
1,037 Views
28 Pages

Training-Free Few-Shot Image Classification via Kernel Density Estimation with CLIP Embeddings

  • Marcos Sergio Pacheco dos Santos Lima Junior,
  • Juan Miguel Ortiz-de-Lazcano-Lobato and
  • Ezequiel López-Rubio

11 November 2025

Few-shot image classification aims to recognize novel classes from only a handful of labeled examples, a challenge in domains where data collection is costly or impractical. Existing solutions often rely on meta learning, fine tuning, or data augment...

  • Article
  • Open Access
1 Citations
2,267 Views
29 Pages

Learning distance metrics and distinguishing between samples from different classes are among the most important topics in machine learning. This article proposes a new distance metric learning approach tailored for highly imbalanced datasets. Imbala...

  • Article
  • Open Access
22 Citations
7,500 Views
23 Pages

12 September 2019

The emergence of high-resolution satellite data, such as WorldView-2, has opened the opportunity for urban land cover mapping at fine resolution. However, it is not straightforward to map detailed urban land cover and to detect urban deprived areas,...

  • Article
  • Open Access
9 Citations
2,949 Views
19 Pages

Current research on automated driving systems focuses on Level 4 automated driving (AD) in specific operational design Domains (ODD). Measurement data from customer fleet operation are commonly used to extract scenarios and ODD features (road infrast...

  • Article
  • Open Access
10 Citations
5,125 Views
17 Pages

10 October 2020

The analysis, measurement, and computation of remote sensing images often require enhanced unsupervised/supervised classification approaches. The goal of this study is to have a better understanding of (a) the classification performance of multispect...

  • Article
  • Open Access
2 Citations
7,253 Views
14 Pages

Maximum Entropy Gibbs Density Modeling for Pattern Classification

  • Neila Mezghani,
  • Amar Mitiche and
  • Mohamed Cheriet

4 December 2012

Recent studies have shown that the Gibbs density function is a good model for visual patterns and that its parameters can be learned from pattern category training data by a gradient algorithm optimizing a constrained entropy criterion. These studies...

  • Article
  • Open Access
7 Citations
1,887 Views
31 Pages

7 March 2024

Band clustering has been widely used for hyperspectral band selection (BS). However, selecting an appropriate band to represent a band cluster is a key issue. Density peak clustering (DPC) provides an effective means for this purpose, referred to as...

  • Article
  • Open Access
1,338 Views
15 Pages

Enhanced Assessment of Transition Metal Copper Sulfides via Classification of Density of States Spectra

  • Md Tohidul Islam,
  • Catalina Victoria Ruiz,
  • Claudia Loyola,
  • Joaquin Peralta and
  • Scott R. Broderick

25 June 2025

Understanding how crystal structure influences electronic properties is crucial for discovering new functional materials. In this study, we utilized Kernel Principal Component Analysis (KPCA) to classify and analyze the Density of States (DOS) of tra...

  • Article
  • Open Access
10 Citations
3,950 Views
16 Pages

Deep Dilated Convolutional Neural Network for Crowd Density Image Classification with Dataset Augmentation for Hajj Pilgrimage

  • Roman Bhuiyan,
  • Junaidi Abdullah,
  • Noramiza Hashim,
  • Fahmid Al Farid,
  • Wan Noorshahida Mohd Isa,
  • Jia Uddin and
  • Norra Abdullah

7 July 2022

Almost two million Muslim pilgrims from all around the globe visit Mecca each year to conduct Hajj. Each year, the number of pilgrims grows, creating worries about how to handle such large crowds and avoid unpleasant accidents or crowd congestion cat...

  • Article
  • Open Access
79 Citations
12,606 Views
20 Pages

Fully Automated Breast Density Segmentation and Classification Using Deep Learning

  • Nasibeh Saffari,
  • Hatem A. Rashwan,
  • Mohamed Abdel-Nasser,
  • Vivek Kumar Singh,
  • Meritxell Arenas,
  • Eleni Mangina,
  • Blas Herrera and
  • Domenec Puig

23 November 2020

Breast density estimation with visual evaluation is still challenging due to low contrast and significant fluctuations in the mammograms’ fatty tissue background. The primary key to breast density classification is to detect the dense tissues i...

  • Article
  • Open Access
25 Citations
9,965 Views
17 Pages

2 June 2016

Automatic crowd detection in aerial images is certainly a useful source of information to prevent crowd disasters in large complex scenarios of mass events. A number of publications employ regression-based methods for crowd counting and crowd density...

  • Article
  • Open Access
6 Citations
2,755 Views
18 Pages

27 November 2022

The accurate and effective estimation of forest carbon density is an essential basis for effectively responding to climate change and achieving the goal of carbon neutrality. Aiming at the problem of the significant differences in the forest carbon m...

  • Article
  • Open Access
2 Citations
1,202 Views
17 Pages

5 January 2025

Online learning is a framework for processing and learning from sequential data in real time, offering benefits such as promptness and low memory usage. However, it faces critical challenges, including concept drift, where data distributions evolve o...

  • Article
  • Open Access
38 Citations
5,859 Views
27 Pages

Excessive traffic pollutant emissions in high-density cities result in thermal discomfort and are associated with devastating health impacts. In this study, an improved data analytic framework that combines geo-processing techniques, social habits of...

  • Article
  • Open Access
17 Citations
4,739 Views
15 Pages

Convolutional Neural Networks for Breast Density Classification: Performance and Explanation Insights

  • Francesca Lizzi,
  • Camilla Scapicchio,
  • Francesco Laruina,
  • Alessandra Retico and
  • Maria Evelina Fantacci

24 December 2021

We propose and evaluate a procedure for the explainability of a breast density deep learning based classifier. A total of 1662 mammography exams labeled according to the BI-RADS categories of breast density was used. We built a residual Convolutional...

  • Article
  • Open Access
471 Views
16 Pages

24 November 2025

Addressing the technological requirement for real-time monitoring of fish density in dim aquaculture environments, this study proposes a near-infrared (NIR) image classification method using a modified ResNet18 architecture. Initially, an NIR-Fish da...

  • Article
  • Open Access
7 Citations
3,139 Views
25 Pages

Impact of Atmospheric Correction on Classification and Quantification of Seagrass Density from WorldView-2 Imagery

  • Victoria J. Hill,
  • Richard C. Zimmerman,
  • Paul Bissett,
  • David Kohler,
  • Blake Schaeffer,
  • Megan Coffer,
  • Jiang Li and
  • Kazi Aminul Islam

26 September 2023

Mapping the seagrass distribution and density in the underwater landscape can improve global Blue Carbon estimates. However, atmospheric absorption and scattering introduce errors in space-based sensors’ retrieval of sea surface reflectance, af...

  • Article
  • Open Access
21 Citations
3,566 Views
17 Pages

Automatic Filtering and Classification of Low-Density Airborne Laser Scanner Clouds in Shrubland Environments

  • Tiziana Simoniello,
  • Rosa Coluzzi,
  • Annibale Guariglia,
  • Vito Imbrenda,
  • Maria Lanfredi and
  • Caterina Samela

13 October 2022

The monitoring of shrublands plays a fundamental role, from an ecological and climatic point of view, in biodiversity conservation, carbon stock estimates, and climate-change impact assessments. Laser scanning systems have proven to have a high capab...

  • Article
  • Open Access
2 Citations
9,505 Views
31 Pages

Probability Density Components Analysis: A New Approach to Treatment and Classification of SAR Images

  • Osmar Abílio De Carvalho Júnior,
  • Luz Marilda de Moraes Maciel,
  • Ana Paula Ferreira De Carvalho,
  • Renato Fontes Guimarães,
  • Cristiano Rosa Silva,
  • Roberto Arnaldo Trancoso Gomes and
  • Nilton Correia Silva

1 April 2014

Speckle noise (salt and pepper) is inherent to synthetic aperture radar (SAR), which causes a usual noise-like granular aspect and complicates the image classification. In SAR image analysis, the spatial information might be a particular benefit for...

  • Article
  • Open Access
51 Citations
5,805 Views
14 Pages

2 March 2022

Tire treads are abraded by friction with the road surface, producing tire tread wear particles (TWPs). TWPs combined with other particles on the road such as road wear particles (RWPs) and mineral particles (MPs), forming tire-road wear particles (TR...

  • Article
  • Open Access
24 Citations
6,161 Views
19 Pages

Machine-Learning Classification of Soil Bulk Density in Salt Marsh Environments

  • Iman Salehi Hikouei,
  • S. Sonny Kim and
  • Deepak R. Mishra

27 June 2021

Remotely sensed data from both in situ and satellite platforms in visible, near-infrared, and shortwave infrared (VNIR–SWIR, 400–2500 nm) regions have been widely used to characterize and model soil properties in a direct, cost-effective, and rapid m...

  • Article
  • Open Access
116 Citations
6,147 Views
10 Pages

1 December 2009

It is important to know the road traffic density real time especially in mega cities for signal control and effective traffic management. In recent years, video monitoring and surveillance systems have been widely used in traffic management. Hence, t...

  • Article
  • Open Access
3 Citations
1,710 Views
16 Pages

20 July 2024

Exposure to respirable coal mine dust (RCMD) still poses health risks to miners. Scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM-EDX) is a powerful tool for RCMD characterization because it provides particle-level data, in...

  • Article
  • Open Access
11 Citations
4,013 Views
15 Pages

Assessment of Low-Density Force Myography Armband for Classification of Upper Limb Gestures

  • Mustafa Ur Rehman,
  • Kamran Shah,
  • Izhar Ul Haq,
  • Sajid Iqbal,
  • Mohamed A. Ismail and
  • Fatih Selimefendigil

1 March 2023

Using force myography (FMG) to monitor volumetric changes in limb muscles is a promising and effective alternative for controlling bio-robotic prosthetic devices. In recent years, there has been a focus on developing new methods to improve the perfor...

  • Article
  • Open Access
2 Citations
4,063 Views
21 Pages

18 September 2023

The aim of this work is to develop a new estuarine classification attending to their vertical structure by examining the advantages and disadvantages of the existing classifications. For this purpose, we reviewed the main classifications, finding tha...

  • Article
  • Open Access
5 Citations
2,689 Views
14 Pages

Fungal Density in Lobomycosis in French Guiana: A Proposal for a New Clinico-Histological and Therapeutic Classification

  • Geoffrey Grotta,
  • Pierre Couppie,
  • Magalie Demar,
  • Kinan Drak Alsibai and
  • Romain Blaizot

12 October 2023

Background: Lobomycosis is a rare cutaneous tropical neglected disease caused by the fungal agent Lacazia loboi, recently renamed Paracoccidioides lobogeorgii. Our objectives were to present all cases of lobomycosis diagnosed in French Guiana, to off...

  • Article
  • Open Access
3 Citations
5,614 Views
20 Pages

19 October 2020

Insert conditions significantly influence the product quality and manufacturing efficiency of lathe machining. This study used the power spectral density distribution of the vibration signals of a lathe machining accelerometer to design an insert con...

  • Article
  • Open Access
15 Citations
4,877 Views
19 Pages

The classification and segmentation of large-scale, sparse, LiDAR point cloud with deep learning are widely used in engineering survey and geoscience. The loose structure and the non-uniform point density are the two major constraints to utilize the...

  • Article
  • Open Access
46 Citations
6,420 Views
13 Pages

Sleep State Classification Using Power Spectral Density and Residual Neural Network with Multichannel EEG Signals

  • Md Junayed Hasan,
  • Dongkoo Shon,
  • Kichang Im,
  • Hyun-Kyun Choi,
  • Dae-Seung Yoo and
  • Jong-Myon Kim

29 October 2020

This paper proposes a classification framework for automatic sleep stage detection in both male and female human subjects by analyzing the electroencephalogram (EEG) data of polysomnography (PSG) recorded for three regions of the human brain, i.e., t...

  • Article
  • Open Access
49 Citations
10,121 Views
21 Pages

21 May 2014

The paper investigated the possible gains in using low density (average 1 pulse/m2) full-waveform (FWF) airborne laser scanning (ALS) data for individual tree detection and tree species classification and compared the results to the ones obtained us...

  • Article
  • Open Access
36 Citations
6,057 Views
16 Pages

26 January 2019

In this article, we assess the interest of the recently introduced multiscale scattering transform for texture classification applied for the first time in plant science. Scattering transform is shown to outperform monoscale approaches (gray-level co...

  • Article
  • Open Access
20 Citations
3,198 Views
24 Pages

Automatic Clustering and Classification of Coffee Leaf Diseases Based on an Extended Kernel Density Estimation Approach

  • Reem Ibrahim Hasan,
  • Suhaila Mohd Yusuf,
  • Mohd Shafry Mohd Rahim and
  • Laith Alzubaidi

10 April 2023

The current methods of classifying plant disease images are mainly affected by the training phase and the characteristics of the target dataset. Collecting plant samples during different leaf life cycle infection stages is time-consuming. However, th...

  • Article
  • Open Access
30 Citations
4,383 Views
23 Pages

29 January 2020

Sensor devices in wireless sensor networks are vulnerable to faults during their operation in unmonitored and hazardous environments. Though various methods have been proposed by researchers to detect sensor faults, only very few research studies hav...

  • Article
  • Open Access
34 Citations
5,675 Views
17 Pages

Remote sensing data with high spatial and temporal resolutions can help to improve the accuracy of the estimation of crop planting acreage, and contribute to the formulation and management of agricultural policies. Therefore, it is important to deter...

  • Article
  • Open Access
4 Citations
7,739 Views
23 Pages

Classification of the Crosslink Density Level of Para Rubber Thick Film of Medical Glove by Using Near-Infrared Spectral Data

  • Jiraporn Sripinyowanich Jongyingcharoen,
  • Suppakit Howimanporn,
  • Agustami Sitorus,
  • Thitima Phanomsophon,
  • Jetsada Posom,
  • Thanapol Salubsi,
  • Adisak Kongwaree,
  • Chin Hock Lim,
  • Kittisak Phetpan and
  • Satoru Tsuchikawa
  • + 1 author

8 January 2024

Classification of the crosslink density level of para rubber medical gloves by using near-infrared spectral data combined with machine learning is the first time reported in this paper. The spectra of medical glove samples with different crosslink de...

  • Article
  • Open Access
30 Citations
8,042 Views
19 Pages

1 February 2019

Breast density is considered to be one of the major risk factors in developing breast cancer. High breast density can also affect the accuracy of mammographic abnormality detection due to the breast tissue characteristics and patterns. We reviewed va...

  • Article
  • Open Access
30 Citations
8,366 Views
18 Pages

8 October 2018

Leaf stomata are important structures used for exchanging matter between plants and the environment, and they are very sensitive to environmental changes. The method of efficiently extracting stomata, as well as measuring stomatal density and area, s...

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

D-Net: A Density-Based Convolutional Neural Network for Mobile LiDAR Point Clouds Classification in Urban Areas

  • Mahdiye Zaboli,
  • Heidar Rastiveis,
  • Benyamin Hosseiny,
  • Danesh Shokri,
  • Wayne A. Sarasua and
  • Saeid Homayouni

27 April 2023

The 3D semantic segmentation of a LiDAR point cloud is essential for various complex infrastructure analyses such as roadway monitoring, digital twin, or even smart city development. Different geometric and radiometric descriptors or diverse combinat...

  • Article
  • Open Access
28 Citations
5,140 Views
25 Pages

Wood–Leaf Classification of Tree Point Cloud Based on Intensity and Geometric Information

  • Jingqian Sun,
  • Pei Wang,
  • Zhiyong Gao,
  • Zichu Liu,
  • Yaxin Li,
  • Xiaozheng Gan and
  • Zhongnan Liu

11 October 2021

Terrestrial laser scanning (TLS) can obtain tree point clouds with high precision and high density. The efficient classification of wood points and leaf points is essential for the study of tree structural parameters and ecological characteristics. U...

  • Article
  • Open Access
9 Citations
4,944 Views
21 Pages

6 October 2021

This paper investigates the usefulness of multi-fractal analysis and local binary patterns (LBP) as texture descriptors for classifying mammogram images into different breast density categories. Multi-fractal analysis is also used in the pre-processi...

  • Article
  • Open Access
1,746 Views
20 Pages

Neurosonographic Classification in Premature Infants Receiving Omega-3 Supplementation Using Convolutional Neural Networks

  • Suzana Zivojinovic,
  • Suzana Petrovic Savic,
  • Tijana Prodanovic,
  • Nikola Prodanovic,
  • Aleksandra Simovic,
  • Goran Devedzic and
  • Dragana Savic

This study focuses on developing a model for the precise determination of ultrasound image density and classification using convolutional neural networks (CNNs) for rapid, timely, and accurate identification of hypoxic-ischemic encephalopathy (HIE)....

of 39