Skip to Content

12 Results Found

  • Article
  • Open Access
4 Citations
2,971 Views
13 Pages

A Method for Fingerprint Edge Enhancement Based on Radial Hilbert Transform

  • Baiyang Wu,
  • Shuo Zhang,
  • Weinan Gao,
  • Yong Bi and
  • Xiaosong Hu

30 September 2024

Fingerprints play a significant role in various fields due to their uniqueness. In order to effectively utilize fingerprint information, it is necessary to enhance image quality. This paper introduces a method based on Radial Hilbert transform (RHLT)...

(This article belongs to the Section Bioelectronics)
  • Article
  • Open Access
3 Citations
3,816 Views
20 Pages

Classification of Skin Lesion Images Using Artificial Intelligence Methodologies through Radial Fourier–Mellin and Hilbert Transform Signatures

  • Esperanza Guerra-Rosas,
  • Luis Felipe López-Ávila,
  • Esbanyely Garza-Flores,
  • Claudia Andrea Vidales-Basurto and
  • Josué Álvarez-Borrego

18 October 2023

This manuscript proposes the possibility of concatenated signatures (instead of images) obtained from different integral transforms, such as Fourier, Mellin, and Hilbert, to classify skin lesions. Eight lesions were analyzed using some algorithms of...

(This article belongs to the Special Issue New Trends in Machine Learning for Biomedical Data Analysis)
  • Article
  • Open Access
1 Citations
1,973 Views
15 Pages

23 May 2025

Automated skin lesion classification using machine learning techniques is crucial for early and accurate skin cancer detection. This study proposes a hybrid method combining the Hermite, Radial Fourier–Mellin, and Hilbert transform to extract c...

(This article belongs to the Special Issue Recent Advances in Biomedical Data Analysis)
  • Article
  • Open Access
4 Citations
3,164 Views
12 Pages

30 December 2020

A radial basis function-finite differencing (RBF-FD) scheme was applied to the initial value problem of the Benjamin–Ono equation. The Benjamin–Ono equation has traveling wave solutions with algebraic decay and a nonlocal pseudo-different...

(This article belongs to the Special Issue Applied Mathematics and Computational Physics)
  • Article
  • Open Access
6 Citations
6,050 Views
12 Pages

20 June 2017

Many signals can be described as functions on the unit disk (ball). In the framework of group representations it is well-known how to construct Hilbert-spaces containing these functions that have the groups SU(1,N) as their symmetry groups. One illus...

(This article belongs to the Special Issue Information Geometry II)
  • Feature Paper
  • Article
  • Open Access
2 Citations
3,949 Views
11 Pages

8 May 2019

We studied the amplitude modulation of the radial electric field constructed from the Langmuir probe plasma potential measurements at the edge of the mega-ampere spherical tokamak (MAST). The Empirical Mode Decomposition (EMD) technique was applied,...

  • Article
  • Open Access
5 Citations
2,582 Views
31 Pages

6 June 2025

This article proposes a multiscale classification framework for detecting voltage disturbances in electrical distribution systems using artificial neural networks (ANNs) combined with the Hilbert–Huang transform (HHT). The framework targets fou...

(This article belongs to the Section Electrical, Electronics and Communications Engineering)
  • Article
  • Open Access
48 Citations
5,969 Views
24 Pages

30 January 2021

Permanent magnet synchronous motors (PMSMs) are becoming more popular, both in industrial applications and in electric and hybrid vehicle drives. Unfortunately, like the others, these are not reliable drives. As in the drive systems with induction mo...

(This article belongs to the Special Issue Fault Diagnosis of Electrical Machines and Drives)
  • Article
  • Open Access
4 Citations
4,323 Views
18 Pages

Stress Distribution and Transverse Vibration of Flywheel Within Linear Elastic Range

  • Desejo Filipeson Sozinando,
  • Kgotso Koketso Leema,
  • Vhahangwele Colleen Sigonde,
  • Bernard Xavier Tchomeni and
  • Alfayo Anyika Alugongo

13 December 2024

Flywheels have been largely used in rotating machine engines to save inertial energy and to limit speed fluctuations. A stress distribution problem is created due to the centrifugal forces that are formed when the flywheel is spinning around, which l...

  • Article
  • Open Access
63 Citations
8,981 Views
19 Pages

16 March 2017

Electromagnetic methods are commonly employed to detect wire rope discontinuities. However, determining the residual strength of wire rope based on the quantitative recognition of discontinuities remains problematic. We have designed a prototype devi...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
8 Citations
2,318 Views
14 Pages

12 November 2024

At present, researchers in the field of pipeline inspection focus on pipe wall defects while neglecting pipeline defects in special situations such as welds. This poses a threat to the safe operation of projects. In this paper, a multi-node fusion an...

  • Article
  • Open Access
23 Citations
2,843 Views
19 Pages

A Novel Fault Detection and Classification Strategy for Photovoltaic Distribution Network Using Improved Hilbert–Huang Transform and Ensemble Learning Technique

  • Younis M. Nsaif,
  • Molla Shahadat Hossain Lipu,
  • Aini Hussain,
  • Afida Ayob and ,
  • Yushaizad Yusof and
  • Muhammad Ammirrul A. M. Zainuri
  • + 1 author+ 0 author

19 September 2022

Due to the increased integration of distributed generations in distributed networks, their development and operation are facing protection challenges that traditional protection systems are incapable of addressing. These problems include variations i...

(This article belongs to the Special Issue Smart Grid and Power System Protection)