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Computers, Volume 13, Issue 12

December 2024 - 43 articles

Cover Story: Catheter ablation therapy for atrial fibrillation (AF) has a higher recurrence rate as the duration of AF increases. In this study, we used contrast-enhanced computed tomography (CT) to classify AF into paroxysmal AF (PAF) and long-term persistent AF (LSAF), which have different recurrence rates after catheter ablation. CT images of 30 PAF and 30 LSAF patients were input into six pretrained convolutional neural networks (CNNs) for binary classification. The classification was visualized using saliency maps based on score class activation mapping (CAM). The proposed method achieved an 81.7% classification accuracy. The results suggest that this method can classify AF more accurately than physicians, focusing on the left atrium shape, similar to physician judgment criteria. View this paper
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Articles (43)

  • Article
  • Open Access
1 Citations
1,490 Views
16 Pages

19 December 2024

During the study of multimodal brain tumor MR image segmentation, the large differences in the image distributions make the assumption that the conditional probabilities are similar when the edge distributions of the target and source domains are sim...

  • Article
  • Open Access
1 Citations
3,559 Views
24 Pages

Identification of Scientific Texts Generated by Large Language Models Using Machine Learning

  • David Soto-Osorio,
  • Grigori Sidorov,
  • Liliana Chanona-Hernández and
  • Blanca Cecilia López-Ramírez

19 December 2024

Large language models (LLMs) are tools that help us in a variety of activities, from creating well-structured texts to quickly consulting information. But as these new technologies are so easily accessible, many people use them for their own benefit...

  • Article
  • Open Access
3,013 Views
35 Pages

18 December 2024

This paper explores the integration of Business Process Management (BPM) with blockchain technology to enhance pension systems, using Hungary as a case study. Specifically, it addresses scientific challenges related to data access management, regulat...

  • Article
  • Open Access
5,641 Views
18 Pages

17 December 2024

This article investigates the factors that affect the job satisfaction of university teachers for which 400 teachers from 4 institutions (public and private) in Ecuador were stratified, resulting in a total of 1600 data points collected through onlin...

  • Article
  • Open Access
4 Citations
5,781 Views
29 Pages

Hybrid Vision Transformer and Convolutional Neural Network for Multi-Class and Multi-Label Classification of Tuberculosis Anomalies on Chest X-Ray

  • Rizka Yulvina,
  • Stefanus Andika Putra,
  • Mia Rizkinia,
  • Arierta Pujitresnani,
  • Eric Daniel Tenda,
  • Reyhan Eddy Yunus,
  • Dean Handimulya Djumaryo,
  • Prasandhya Astagiri Yusuf and
  • Vanya Valindria

17 December 2024

Tuberculosis (TB), caused by Mycobacterium tuberculosis, remains a leading cause of global mortality. While TB detection can be performed through chest X-ray (CXR) analysis, numerous studies have leveraged AI to automate and enhance the diagnostic pr...

  • Article
  • Open Access
1 Citations
2,158 Views
24 Pages

Augmented Reality for Event Promotion

  • Tiago Lameirão,
  • Miguel Melo and
  • Filipe Pinto

16 December 2024

This article presents the development of an augmented reality (AR) application aimed at promoting events in urban environments. The main goal of the project was to create an immersive experience that enhances user interaction with their surroundings,...

  • Article
  • Open Access
5 Citations
2,700 Views
18 Pages

Identifying Bias in Deep Neural Networks Using Image Transforms

  • Sai Teja Erukude,
  • Akhil Joshi and
  • Lior Shamir

15 December 2024

CNNs have become one of the most commonly used computational tools in the past two decades. One of the primary downsides of CNNs is that they work as a “black box”, where the user cannot necessarily know how the image data are analyzed, a...

  • Article
  • Open Access
7 Citations
10,716 Views
16 Pages

15 December 2024

Sentiment analysis is a key technique in natural language processing that enables computers to understand human emotions expressed in text. It is widely used in applications such as customer feedback analysis, social media monitoring, and product rev...

  • Article
  • Open Access
5 Citations
1,647 Views
23 Pages

Loading Frequency Classification in Shape Memory Alloys: A Machine Learning Approach

  • Dmytro Tymoshchuk,
  • Oleh Yasniy,
  • Pavlo Maruschak,
  • Volodymyr Iasnii and
  • Iryna Didych

14 December 2024

This paper investigates the use of machine learning methods to predict the loading frequency of shape memory alloys (SMAs) based on experimental data. SMAs, in particular nickel-titanium (NiTi) alloys, have unique properties that restore the original...

  • Article
  • Open Access
1,457 Views
18 Pages

14 December 2024

The design of reliable and accurate indoor lighting control systems for LEDs’ (light-emitting diodes) color temperature and brightness, in an effort to affect human circadian rhythms, has been emerging in the last few years. However, this is qu...

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Computers - ISSN 2073-431XCreative Common CC BY license