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Convolutional neural networks (CNNs) are one of the most effective deep learning methods to solve image classification problems, but the best architecture of a CNN to solve a specific problem can be extremely complicated and hard to design.…

Neural and Evolutionary Computing · Computer Science 2018-03-20 Bin Wang , Yanan Sun , Bing Xue , Mengjie Zhang

In this work, we apply Convolutional Neural Networks (CNNs) to detect gravitational wave (GW) signals of compact binary coalescences, using single-interferometer data from LIGO detectors. As novel contribution, we adopted a resampling…

Instrumentation and Methods for Astrophysics · Physics 2020-09-10 Manuel D. Morales , Javier M. Antelis , Claudia Moreno , Alexander I. Nesterov

Chest radiographs are used for the diagnosis of multiple critical illnesses (e.g., Pneumonia, heart failure, lung cancer), for this reason, systems for the automatic or semi-automatic analysis of these data are of particular interest. An…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Declan McIntosh , Tunai Porto Marques , Alexandra Branzan Albu

Epilepsy is one of the most common and yet diverse set of chronic neurological disorders. This excessive or synchronous neuronal activity is termed seizure. Electroencephalogram signal processing plays a significant role in detection and…

Signal Processing · Electrical Eng. & Systems 2021-09-29 Paul Grant , Md Zahidul Islam

Detecting early-stage ovarian cancer accurately and efficiently is crucial for timely treatment. Various methods for early diagnosis have been explored, including a focus on features derived from protein mass spectra, but these tend to…

Applications · Statistics 2024-01-30 Raymond J. Hinton , Jihyun Byun , Dixon Vimalajeewa , Brani Vidakovic

The increased use of low-cost gyroscopes within inertial sensors for navigation purposes, among others, has brought to the development of a considerable amount of research in improving their measurement precision. Aside from developing…

Applications · Statistics 2021-07-01 Yuming Zhang , Davide A. Cucci , Roberto Molinari , Stéphane Guerrier

Wavelets are waveform functions that describe transient and unstable variations, such as noises. In this work, we study the advantages of discrete and continuous wavelet transforms (DWT and CWT) of microlensing data to denoise them and…

Instrumentation and Methods for Astrophysics · Physics 2023-10-06 Sedighe Sajadian , Hossein Fatheddin

Cardiovascular diseases (CVDs) can be effectively treated when detected early, reducing mortality rates significantly. Traditionally, phonocardiogram (PCG) signals have been utilized for detecting cardiovascular disease due to their…

Signal Processing · Electrical Eng. & Systems 2023-08-30 Samiul Based Shuvo , Syed Samiul Alam , Syeda Umme Ayman , Arbil Chakma , Prabal Datta Barua , U Rajendra Acharya

The first objective of this paper is to introduce a unified approach to the D/A conversion, a real-time algorithm referred to as {\it blending operator}, based on spline functions of arbitrarily desired order, to interpolate the irregular…

Numerical Analysis · Mathematics 2014-06-06 Charles K. Chui , Yu-Ting Lin , Hau-tieng Wu

Support Vector Machine (SVM) is a robust machine learning algorithm with broad applications in classification, regression, and outlier detection. SVM requires tuning the regularization parameter (RP) which controls the model capacity and…

Machine Learning · Statistics 2023-05-18 Mahdi Shamsi , Soosan Beheshti

The wavelet transform and related techniques are used to analyze singular and fractal signals. The normalized wavelet scalogram is introduced to detect singularities including jumps, cusps and other sharply changing points. The wavelet…

Signal Processing · Electrical Eng. & Systems 2021-11-04 Hua-Liang Wei , S. A. Billings

Support vector machines (SVM) and other kernel techniques represent a family of powerful statistical classification methods with high accuracy and broad applicability. Because they use all or a significant portion of the training data,…

Machine Learning · Statistics 2023-01-31 Peter Mills

A state transition model (STM) based on chunk-wise classification was proposed for end-point detection (EPD). In general, EPD is developed using frame-wise voice activity detection (VAD) with additional STM, in which the state transition is…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-24 Juntae Kim , Jaesung Bae , Minsoo Hahn

We present the Maximal Overlap Discrete Wavelet Scattering Transform (MODWST), whose construction is inspired by the combination of the Maximal Overlap Discrete Wavelet Transform (MODWT) and the Scattering Wavelet Transform (WST). We also…

Machine Learning · Computer Science 2025-06-17 Leonardo Fonseca Larrubia , Pedro Alberto Morettin , Chang Chiann

Convolutional Neural Networks (ConvNets or CNNs) have been candidly deployed in the scope of computer vision and related fields. Nevertheless, the dynamics of training of these neural networks lie still elusive: it is hard and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Nguyen Huu Phong , Augusto Santos , Bernardete Ribeiro

Botnets are computer networks controlled by malicious actors that present significant cybersecurity challenges. They autonomously infect, propagate, and coordinate to conduct cybercrimes, necessitating robust detection methods. This…

Cryptography and Security · Computer Science 2024-09-04 Rahul Yumlembam , Biju Issac , Seibu Mary Jacob , Longzhi Yang

In real industrial processes, fault diagnosis methods are required to learn from limited fault samples since the procedures are mainly under normal conditions and the faults rarely occur. Although attention mechanisms have become popular in…

Machine Learning · Computer Science 2023-09-26 Mengxuan Li , Peng Peng , Jingxin Zhang , Hongwei Wang , Weiming Shen

Cardiovascular diseases are the leading cause of mortality globally, necessitating advancements in diagnostic techniques. This study explores the application of wavelet transformation for classifying electrocardiogram (ECG) signals to…

Computational Engineering, Finance, and Science · Computer Science 2024-08-06 Morteza Maleki , Foad Haeri

Most wind turbines are remotely monitored 24/7 to allow for an early detection of operation problems and developing damage. We present a new fault detection method for vibration-monitored drivetrains that does not require any feature…

Machine Learning · Computer Science 2022-06-28 Stefan Jonas , Dimitrios Anagnostos , Bernhard Brodbeck , Angela Meyer

Attention-based transformers have played an important role in wireless sensor network (WSN) timing anomaly detection due to their ability to capture long-term dependencies. However, there are several issues that must be addressed, such as…

Signal Processing · Electrical Eng. & Systems 2025-03-04 Miao Ye , Zhibang Jiang , Xingsi Xue , Xingwang Li , Peng Wen , Yong Wang