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Algorithms, Volume 15, Issue 8

August 2022 - 41 articles

Cover Story: Recent studies have been evaluating the presence of patterns associated with the occurrence of cancer in different types of tissue. In this article, we describe preliminary results for the automatic detection of cancer (Walker 256 tumor) in laboratory animals using preclinical microphotographs of the subject’s liver tissue. In the proposed approach, two different types of descriptors were explored to capture texture properties from the images, one based on spectral information and another built by application of a granulometry given by a family of morphological filters. We tried three different classifier methods (SVM, kNN, and logistic regression). Promising results were obtained for both descriptors in isolation, and even better results were achieved by combining classifiers based on them. View this paper
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Articles (41)

  • Article
  • Open Access
10 Citations
3,552 Views
19 Pages

21 August 2022

This paper presents and analyzes a programming tool that implements a method for classification and function regression problems. This method builds new features from existing ones with the assistance of a hybrid algorithm that makes use of artificia...

  • Article
  • Open Access
9 Citations
3,100 Views
20 Pages

Defending against FakeBob Adversarial Attacks in Speaker Verification Systems with Noise-Adding

  • Zesheng Chen,
  • Li-Chi Chang,
  • Chao Chen,
  • Guoping Wang and
  • Zhuming Bi

17 August 2022

Speaker verification systems use human voices as an important biometric to identify legitimate users, thus adding a security layer to voice-controlled Internet-of-things smart homes against illegal access. Recent studies have demonstrated that speake...

  • Article
  • Open Access
10 Citations
3,437 Views
29 Pages

17 August 2022

This work includes a brief overview of the applications of the powerful and easy-to-perform method of microwave radiometry (MWR) for the diagnosis of various diseases. The main goal of this paper is to develop a method for diagnosing breast oncology...

  • Article
  • Open Access
73 Citations
14,269 Views
23 Pages

17 August 2022

Explainable artificial intelligence (XAI) characteristics have flexible and multifaceted potential in hate speech detection by deep learning models. Interpreting and explaining decisions made by complex artificial intelligence (AI) models to understa...

  • Article
  • Open Access
3,072 Views
17 Pages

17 August 2022

We present schemes for simulating Brownian bridges on complete and connected Lie groups and homogeneous spaces. We use this to construct an estimation scheme for recovering an unknown left- or right-invariant Riemannian metric on the Lie group from s...

  • Article
  • Open Access
3 Citations
2,703 Views
15 Pages

Biased-Randomized Discrete-Event Heuristics for Dynamic Optimization with Time Dependencies and Synchronization

  • Juliana Castaneda,
  • Mattia Neroni,
  • Majsa Ammouriova,
  • Javier Panadero and
  • Angel A. Juan

16 August 2022

Many real-life combinatorial optimization problems are subject to a high degree of dynamism, while, simultaneously, a certain level of synchronization among agents and events is required. Thus, for instance, in ride-sharing operations, the arrival of...

  • Article
  • Open Access
2,250 Views
15 Pages

16 August 2022

In order to better decompose the images and protect their edges, in this paper, we proposed a coupled variational system consisting of two steps. The first step, an improved weighted variational model is introduced to obtain the cartoon and texture....

  • Article
  • Open Access
81 Citations
8,558 Views
17 Pages

CNN Based on Transfer Learning Models Using Data Augmentation and Transformation for Detection of Concrete Crack

  • Md. Monirul Islam,
  • Md. Belal Hossain,
  • Md. Nasim Akhtar,
  • Mohammad Ali Moni and
  • Khondokar Fida Hasan

15 August 2022

Cracks in concrete cause initial structural damage to civil infrastructures such as buildings, bridges, and highways, which in turn causes further damage and is thus regarded as a serious safety concern. Early detection of it can assist in preventing...

  • Article
  • Open Access
4,576 Views
12 Pages

14 August 2022

Temari balls are traditional Japanese toys and artworks. The variety of their geometries and tessellations can be investigated formally and computationally with the means of combinatorics. As a further step, we also propose a musical application of t...

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Algorithms - ISSN 1999-4893