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5,299 Results Found

  • Review
  • Open Access
82 Citations
21,244 Views
19 Pages

Risk Stratification of Endometrial Cancer Patients: FIGO Stage, Biomarkers and Molecular Classification

  • Jenneke C. Kasius,
  • Johanna M. A. Pijnenborg,
  • Kristina Lindemann,
  • David Forsse,
  • Judith van Zwol,
  • Gunnar B. Kristensen,
  • Camilla Krakstad,
  • Henrica M. J. Werner and
  • Frédéric Amant

22 November 2021

Endometrial cancer (EC) is the most common gynaecologic malignancy in developed countries. The main challenge in EC management is to correctly estimate the risk of metastases at diagnosis and the risk to develop recurrences in the future. Risk strati...

  • Article
  • Open Access
78 Citations
10,817 Views
17 Pages

A Deep Learning Method Approach for Sleep Stage Classification with EEG Spectrogram

  • Chengfan Li,
  • Yueyu Qi,
  • Xuehai Ding,
  • Junjuan Zhao,
  • Tian Sang and
  • Matthew Lee

The classification of sleep stages is an important process. However, this process is time-consuming, subjective, and error-prone. Many automated classification methods use electroencephalogram (EEG) signals for classification. These methods do not cl...

  • Article
  • Open Access
7 Citations
4,205 Views
14 Pages

16 March 2022

Clinicians and researchers divide sleep periods into different sleep stages to analyze the quality of sleep. Despite advances in machine learning, sleep-stage classification is still performed manually. The classification process is tedious and time-...

  • Article
  • Open Access
2 Citations
1,206 Views
22 Pages

Category-Aware Two-Stage Divide-and-Ensemble Framework for Sperm Morphology Classification

  • Aydın Kağan Turkoglu,
  • Gorkem Serbes,
  • Hakkı Uzun,
  • Abdulsamet Aktas,
  • Merve Huner Yigit and
  • Hamza Osman Ilhan

3 September 2025

Introduction: Sperm morphology is a fundamental parameter in the evaluation of male infertility, offering critical insights into reproductive health. However, traditional manual assessments under microscopy are limited by operator dependency and subj...

  • Communication
  • Open Access
29 Citations
6,100 Views
14 Pages

2 March 2022

Sleep stage classification is an essential process of diagnosing sleep disorders and related diseases. Automatic sleep stage classification using machine learning has been widely studied due to its higher efficiency compared with manual scoring. Typi...

  • Systematic Review
  • Open Access
13 Citations
13,464 Views
24 Pages

15 December 2023

Increasingly prevalent sleep disorders worldwide significantly affect the well-being of individuals. Sleep disorder can be detected by dividing sleep into different stages. Hence, the accurate classification of sleep stages is crucial for detecting s...

  • Article
  • Open Access
987 Views
21 Pages

24 November 2025

Sleep stage classification is crucial for diagnosing Obstructive Sleep Apnea (OSA). OSA patients’ sleep electroencephalography (EEG) signals often exhibit frequent oscillations due to abnormal apnea. Additionally, EEG signals are weak and nonli...

  • Article
  • Open Access
1,626 Views
19 Pages

19 June 2024

Currently, complex scene classification strategies are limited to high-definition image scene sets, and low-quality scene sets are overlooked. Although a few studies have focused on artificially noisy images or specific image sets, none have involved...

  • Article
  • Open Access
22 Citations
6,114 Views
33 Pages

Sleep Stage Classification in Children Using Self-Attention and Gaussian Noise Data Augmentation

  • Xinyu Huang,
  • Kimiaki Shirahama,
  • Muhammad Tausif Irshad,
  • Muhammad Adeel Nisar,
  • Artur Piet and
  • Marcin Grzegorzek

25 March 2023

The analysis of sleep stages for children plays an important role in early diagnosis and treatment. This paper introduces our sleep stage classification method addressing the following two challenges: the first is the data imbalance problem, i.e., th...

  • Article
  • Open Access
21 Citations
4,735 Views
18 Pages

21 April 2022

Sleep staging has been widely used as an approach in sleep diagnoses at sleep clinics. Graph neural network (GNN)-based methods have been extensively applied for automatic sleep stage classifications with significant results. However, the existing GN...

  • Article
  • Open Access
10 Citations
3,509 Views
18 Pages

16 December 2022

Long-term sleep stage monitoring is very important for the diagnosis and treatment of insomnia. With the development of wearable electroencephalogram (EEG) devices, we developed a fast and accurate sleep stage classification method in this study with...

  • Article
  • Open Access
3 Citations
3,205 Views
20 Pages

L-Tetrolet Pattern-Based Sleep Stage Classification Model Using Balanced EEG Datasets

  • Prabal Datta Barua,
  • Ilknur Tuncer,
  • Emrah Aydemir,
  • Oliver Faust,
  • Subrata Chakraborty,
  • Vinithasree Subbhuraam,
  • Turker Tuncer,
  • Sengul Dogan and
  • U. Rajendra Acharya

16 October 2022

Background: Sleep stage classification is a crucial process for the diagnosis of sleep or sleep-related diseases. Currently, this process is based on manual electroencephalogram (EEG) analysis, which is resource-intensive and error-prone. Various mac...

  • Article
  • Open Access
1 Citations
2,012 Views
29 Pages

Automated Sleep Stage Classification Using PSO-Optimized LSTM on CAP EEG Sequences

  • Manjur Kolhar,
  • Manahil Mohammed Alfuraydan,
  • Abdulaziz Alshammary,
  • Khalid Alharoon,
  • Abdullah Alghamdi,
  • Ali Albader,
  • Abdulmalik Alnawah and
  • Aryam Alanazi

11 August 2025

The automatic classification of sleep stages and Cyclic Alternating Pattern (CAP) subtypes from electroencephalogram (EEG) recordings remains a significant challenge in computational sleep research because of the short duration of CAP events and the...

  • Article
  • Open Access
18 Citations
6,875 Views
15 Pages

Prognosis of Stage I Endometrial Cancer According to the FIGO 2023 Classification Taking into Account Molecular Changes

  • Bozena Dobrzycka,
  • Katarzyna Maria Terlikowska,
  • Oksana Kowalczuk,
  • Jacek Niklinski,
  • Maciej Kinalski and
  • Sławomir Jerzy Terlikowski

17 January 2024

Optimum risk stratification in an early stage of endometrial cancer (EC) combines molecular and clinicopathological features. The purpose of the study was to determine the prognostic value of molecular classification and traditional pathological fact...

  • Article
  • Open Access
10 Citations
4,208 Views
28 Pages

19 December 2024

Early identification of concrete cracks and multi-class detection can help to avoid future deformation or collapse in concrete structures. Available traditional detection and methodologies require enormous effort and time. To overcome such difficulti...

  • Article
  • Open Access
13 Citations
2,583 Views
13 Pages

An Integrated Classification and Association Rule Technique for Early-Stage Diabetes Risk Prediction

  • Doaa Sami Khafaga,
  • Amal H. Alharbi,
  • Israa Mohamed and
  • Khalid M. Hosny

18 October 2022

The number of diabetic patients is increasing yearly worldwide, requiring the need for a quick intervention to help these people. Mortality rates are higher for diabetic patients with other serious health complications. Thus, early prediction for suc...

  • Article
  • Open Access
28 Citations
8,194 Views
19 Pages

A Novel Three-Stage Filter-Wrapper Framework for miRNA Subset Selection in Cancer Classification

  • Mohammad Bagher Dowlatshahi,
  • Vali Derhami and
  • Hossein Nezamabadi-pour

Micro-Ribonucleic Acids (miRNAs) are small non-coding Ribonucleic Acid (RNA) molecules that play an important role in the cancer growth. There are a lot of miRNAs in the human body and not all of them are responsible for cancer growth. Therefore, the...

  • Article
  • Open Access
1,275 Views
16 Pages

8 July 2025

Automated sleep stage classification is essential for objective sleep evaluation and clinical diagnosis. While numerous algorithms have been developed, the predominant existing methods utilize single-channel electroencephalogram (EEG) signals, neglec...

  • Article
  • Open Access
421 Views
25 Pages

Proposal for Two-Stage Machine Learning-Based Algorithm for Dried Moringa Leaves Quality Classification

  • Putu Sugiartawan,
  • Nobuo Funabiki,
  • I Nyoman Darma Kotama,
  • Amma Liesvarastranta Haz,
  • Komang Candra Brata and
  • Ni Wayan Wardani

25 December 2025

Nowadays, dried Moringa leaves (M. oleifera) are increasingly in demand due to their health benefits. High-quality ones have shown remarkable positive effects as antioxidants, antidiabetics, and anti-inflammatory agents. However, in the industry, the...

  • Article
  • Open Access
16 Citations
4,005 Views
21 Pages

Lung Radiomics Features Selection for COPD Stage Classification Based on Auto-Metric Graph Neural Network

  • Yingjian Yang,
  • Shicong Wang,
  • Nanrong Zeng,
  • Wenxin Duan,
  • Ziran Chen,
  • Yang Liu,
  • Wei Li,
  • Yingwei Guo,
  • Huai Chen and
  • Yan Kang
  • + 2 authors

20 September 2022

Chronic obstructive pulmonary disease (COPD) is a preventable, treatable, progressive chronic disease characterized by persistent airflow limitation. Patients with COPD deserve special consideration regarding treatment in this fragile population for...

  • Article
  • Open Access
1 Citations
1,049 Views
27 Pages

16 October 2025

Timely and accurate fault diagnosis in rotary machinery is essential for ensuring system reliability and minimizing unplanned downtime. While deep learning approaches, particularly Convolutional Neural Networks (CNNs), have demonstrated strong perfor...

  • Article
  • Open Access
3 Citations
1,986 Views
13 Pages

4 November 2023

Over the past few decades, rapid economic development has led to the establishment of numerous monitoring systems, resulting in the accumulation of vast amounts of monitoring data. Among these data, dynamic acceleration data stand out prominently. Ho...

  • Article
  • Open Access
6 Citations
4,609 Views
10 Pages

The Initial ATA Risk Classification, but Not the AJCC/TNM Stage, Predicts the Persistence or Relapse of Differentiated Thyroid Cancer in Long-Term Surveillance

  • Stefania Giuliano,
  • Maria Mirabelli,
  • Eusebio Chiefari,
  • Vera Tocci,
  • Alessandra Donnici,
  • Stefano Iuliano,
  • Alessandro Salatino,
  • Daniela Patrizia Foti,
  • Antonio Aversa and
  • Antonio Brunetti

10 August 2022

Background: The American Joint Commission on Cancer on Tumor Node Metastasis (AJCC/TNM) staging system provides adequate information on the risk of differentiated thyroid cancer (DTC)-specific mortality in totally thyroidectomized patients, but its r...

  • Article
  • Open Access
62 Citations
8,047 Views
12 Pages

Complexity Analysis of Neonatal EEG Using Multiscale Entropy: Applications in Brain Maturation and Sleep Stage Classification

  • Ofelie De Wel,
  • Mario Lavanga,
  • Alexander Caicedo Dorado,
  • Katrien Jansen,
  • Anneleen Dereymaeker,
  • Gunnar Naulaers and
  • Sabine Van Huffel

26 September 2017

Automated analysis of the electroencephalographic (EEG) data for the brain monitoring of preterm infants has gained attention in the last decades. In this study, we analyze the complexity of neonatal EEG, quantified using multiscale entropy. The aim...

  • Article
  • Open Access
7 Citations
1,885 Views
13 Pages

18 September 2023

Current methods for sleep stage detection rely on sensors to collect physiological data. These methods are inaccurate and take up considerable medical resources. Thus, in this study, we propose a Taguchi-based multiscale convolutional compensatory fu...

  • Article
  • Open Access
23 Citations
8,778 Views
27 Pages

24 December 2021

Identification and mapping of various habitats with sufficient spatial details are essential to support environmental planning and management. Considering the complexity of diverse habitat types in a heterogeneous landscape, a context-dependent mappi...

  • Article
  • Open Access
3 Citations
2,168 Views
14 Pages

3 November 2023

Sleep is an essential human physiological need that has garnered increasing scientific attention due to the burgeoning prevalence of sleep-related disorders and their impact on public health. Among contemporary challenges, the demand for authentic sl...

  • Article
  • Open Access
3 Citations
2,024 Views
17 Pages

Combined arterial spin labeling (ASL) and functional magnetic resonance imaging (fMRI) can reveal more comprehensive properties of the spatiotemporal and quantitative properties of brain networks. Imaging markers of end-stage renal disease associated...

  • Article
  • Open Access
193 Views
29 Pages

30 January 2026

Background/Objectives: Accurate sleep stage classification is essential for evaluating sleep quality and diagnosing sleep disorders. Despite recent advances in deep learning, existing models inadequately represent complex brain dynamics, particularly...

  • Article
  • Open Access
40 Citations
4,187 Views
15 Pages

In the inference process of existing deep learning models, it is usually necessary to process the input data level-wise, and impose a corresponding relational inductive bias on each level. This kind of relational inductive bias determines the theoret...

  • Article
  • Open Access
1 Citations
2,224 Views
22 Pages

13 October 2025

Accurate automatic sleep stage classification from single-channel EEG remains challenging due to the need for effective extraction of multiscale neurophysiological features and modeling of long-range temporal dependencies. This study aims to address...

  • Article
  • Open Access
120 Citations
8,080 Views
13 Pages

Analyzing polysomnography (PSG) is an effective method for evaluating sleep health; however, the sleep stage scoring required for PSG analysis is a time-consuming effort for an experienced medical expert. When scoring sleep epochs, experts pay attent...

  • Review
  • Open Access
23 Citations
9,125 Views
14 Pages

21 August 2022

This historical review aimed to summarize the main changes that colorectal carcinoma (CRC) staging systems suffered over time, starting from the creation of the classical Duke’s classification, modified Astler–Coller staging, internationa...

  • Article
  • Open Access
70 Citations
11,532 Views
12 Pages

Classification of Brainwaves for Sleep Stages by High-Dimensional FFT Features from EEG Signals

  • Mera Kartika Delimayanti,
  • Bedy Purnama,
  • Ngoc Giang Nguyen,
  • Mohammad Reza Faisal,
  • Kunti Robiatul Mahmudah,
  • Fatma Indriani,
  • Mamoru Kubo and
  • Kenji Satou

5 March 2020

Manual classification of sleep stage is a time-consuming but necessary step in the diagnosis and treatment of sleep disorders, and its automation has been an area of active study. The previous works have shown that low dimensional fast Fourier transf...

  • Article
  • Open Access
39 Citations
5,476 Views
23 Pages

1 March 2022

Despite great achievements in classifying mammographic breast-mass images via deep-learning (DL), obtaining large amounts of training data and ensuring generalizations across different datasets with robust and well-optimized algorithms remain a chall...

  • Extended Abstract
  • Open Access
8 Citations
2,384 Views
4 Pages

A Convolutional Network for the Classification of Sleep Stages

  • Isaac Fernández-Varela,
  • Elena Hernández-Pereira and
  • Vicente Moret-Bonillo

14 September 2018

The classification of sleep stages is a crucial task in the context of sleep medicine. It involves the analysis of multiple signals thus being tedious and complex. Even for a trained physician scoring a whole night sleep study can take several hours....

  • Proceeding Paper
  • Open Access
3 Citations
2,039 Views
9 Pages

Active learning is very useful for classification problems where it is hard or time-consuming to acquire classes of data in order to create a subset for training a classifier. The classification of over-night polysomnography records to sleep stages i...

  • Article
  • Open Access
1 Citations
666 Views
22 Pages

8 January 2026

Background and Objective: The accurate detection of sleep stages and disorders in older adults is essential for the effective diagnosis and treatment of sleep disorders affecting millions worldwide. Although Polysomnography (PSG) remains the primary...

  • Commentary
  • Open Access
49 Citations
17,149 Views
15 Pages

15 August 2023

This commentary explores the complexities of the FIGO 2023 staging system and the inclusion of The Cancer Genome Atlas’s (TCGA) molecular classification in the management of endometrial cancer. It highlights the importance of histology as a pro...

  • Systematic Review
  • Open Access
1 Citations
4,965 Views
19 Pages

Orthodontic Management of Different Stages and Grades of Periodontitis According to the 2017 Classification of Periodontal Diseases

  • Nada Tawfig Hashim,
  • Shahistha Parveen Dasnadi,
  • Hassan Ziada,
  • Muhammed Mustahsen Rahman,
  • Ayman Ahmed,
  • Riham Mohammed,
  • Md Sofiqul Islam,
  • Rohan Mascarenhas,
  • Bakri Gobara Gismalla and
  • Neamat Hassan Abubakr

29 January 2025

Background/Objectives: The 2017 Periodontal Classification offers a comprehensive framework for the diagnosis and management of periodontitis based on staging and grading criteria. Orthodontic therapy is increasingly incorporated into the management...

  • Article
  • Open Access
15 Citations
3,258 Views
30 Pages

20 May 2022

Polarimetric synthetic aperture radar (PolSAR) image classification has achieved great progress, but there still exist some obstacles. On the one hand, a large amount of PolSAR data is captured. Nevertheless, most of them are not labeled with land co...

  • Article
  • Open Access
237 Citations
15,264 Views
21 Pages

A Deep Learning Model for Automated Sleep Stages Classification Using PSG Signals

  • Ozal Yildirim,
  • Ulas Baran Baloglu and
  • U Rajendra Acharya

Sleep disorder is a symptom of many neurological diseases that may significantly affect the quality of daily life. Traditional methods are time-consuming and involve the manual scoring of polysomnogram (PSG) signals obtained in a laboratory environme...

  • Article
  • Open Access
7 Citations
2,417 Views
11 Pages

Role of Surgery in Patients with Stage IE Primary Thyroid MALT Lymphoma Staged by a Modified Classification System: The Tokyo Classification

  • Yoshiyuki Saito,
  • Natsuko Watanabe,
  • Nami Suzuki,
  • Naoko Saito,
  • Hiroto Narimatsu,
  • Hiroshi Takami,
  • Kaori Kameyama,
  • Kana Yoshioka,
  • Chie Masaki and
  • Koichi Ito
  • + 13 authors

24 February 2023

Purposes: To establish the appropriate staging system and assess the role of curative thyroidectomy alone (Surgery) vs. involved-site radiation therapy after open biopsy (OB-ISRT) in stage IE mucosa-associated lymphoid tissue (MALT) lymphoma. Methods...

  • Article
  • Open Access
36 Citations
8,833 Views
14 Pages

22 July 2022

Recognizing insect pests using images is an important and challenging research issue. A correct species classification will help choosing a more proper mitigation strategy regarding crop management, but designing an automated solution is also difficu...

  • Article
  • Open Access
12 Citations
3,913 Views
16 Pages

2 June 2023

Sleep, as the basis for regular body functioning, can affect human health. Poor sleep conditions can lead to various physical ailments, such as poor immunity, memory loss, slow cognitive development, and cardiovascular diseases. Along the increasing...

  • Article
  • Open Access
3 Citations
2,200 Views
21 Pages

27 May 2024

Light detection and ranging (LiDAR) offers high-precision, 3D information, and the ability to rapidly acquire data, giving it a significant advantage in timely resource monitoring. Currently, LiDAR is widely utilized in land-cover classification task...

  • Article
  • Open Access
3 Citations
2,889 Views
11 Pages

Comparative Analysis of Subclassification Systems in Patients with Intermediate-Stage Hepatocellular Carcinoma (Barcelona Clinic Liver Classification B) Receiving Systemic Therapy

  • Luca Ielasi,
  • Bernardo Stefanini,
  • Fabio Conti,
  • Matteo Tonnini,
  • Raffaella Tortora,
  • Giulia Magini,
  • Rodolfo Sacco,
  • Tiziana Pressiani,
  • Franco Trevisani and
  • Francesco Tovoli
  • + 3 authors

19 January 2024

Background: Intermediate-stage hepatocellular carcinoma (BCLC B HCC) occurs in a heterogeneous group of patients and can be addressed with a wide spectrum of treatments. Consequently, survival significantly varies among patients. In recent years, sev...

  • Article
  • Open Access
22 Citations
8,878 Views
15 Pages

Multi-Stage Feature Selection Based Intelligent Classifier for Classification of Incipient Stage Fire in Building

  • Allan Melvin Andrew,
  • Ammar Zakaria,
  • Shaharil Mad Saad and
  • Ali Yeon Md Shakaff

19 January 2016

In this study, an early fire detection algorithm has been proposed based on low cost array sensing system, utilising off- the shelf gas sensors, dust particles and ambient sensors such as temperature and humidity sensor. The odour or “smellprint” ema...

  • Article
  • Open Access
4 Citations
1,818 Views
19 Pages

Two-Stage Dimensionality Reduction for Social Media Engagement Classification

  • Jose Luis Vieira Sobrinho,
  • Flavio Henrique Teles Vieira and
  • Alisson Assis Cardoso

3 February 2024

The high dimensionality of real-life datasets is one of the biggest challenges in the machine learning field. Due to the increased need for computational resources, the higher the dimension of the input data is, the more difficult the learning task w...

  • Article
  • Open Access
17 Citations
12,253 Views
7 Pages

Sleep Stage Classification by a Combination of Actigraphic and Heart Rate Signals

  • Emi Yuda,
  • Yutaka Yoshida,
  • Ryujiro Sasanabe,
  • Haruhito Tanaka,
  • Toshiaki Shiomi and
  • Junichiro Hayano

Although heart rate variability and actigraphic data have been used for sleep-wake or sleep stage classifications, there are few studies on the combined use of them. Recent wearable sensors, however, equip both pulse wave and actigraphic sensors. Thi...

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