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We present results for long term and intermediate term prediction algorithms applied to a simple mechanical model of a fault. We use long term prediction methods based, for example, on the distribution of repeat times between large events…

chao-dyn · Physics 2015-06-24 S. L. Pepke , J. M. Carlson , B. E. Shaw

Accurate diagnostics of a skin lesion is a critical task in classification dermoscopic images. In this research, we form a new type of image features, called hybrid features, which has stronger discrimination ability than single method…

Image and Video Processing · Electrical Eng. & Systems 2021-12-21 Redha Ali , Hussin K. Ragb

Recent advances in imaging technologies, deep learning and numerical performance have enabled non-invasive detailed analysis of artworks, supporting their documentation and conservation. In particular, automated detection of craquelure in…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Laura Paul , Holger Rauhut , Martin Burger , Samira Kabri , Tim Roith

This paper proposes an effective modelling of sound event spectra with a hidden data-size-imbalance, for improved Acoustic Event Detection (AED). The proposed method models each event as an aggregated representation of a few latent factors,…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-08 Chaitanya Narisetty , Tatsuya Komatsu , Reishi Kondo

Safety-critical infrastructures, such as bridges, are periodically inspected to check for existing damage, such as fatigue cracks and corrosion, and to guarantee the safe use of the infrastructure. Visual inspection is the most frequent…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Andrii Kompanets , Remco Duits , Davide Leonetti , Nicky van den Berg , H. H. , Snijder

Several techniques for multivariate time series anomaly detection have been proposed recently, but a systematic comparison on a common set of datasets and metrics is lacking. This paper presents a systematic and comprehensive evaluation of…

Machine Learning · Computer Science 2021-09-24 Astha Garg , Wenyu Zhang , Jules Samaran , Savitha Ramasamy , Chuan-Sheng Foo

In this paper we introduce a novel approach for an important problem of break detection. Specifically, we are interested in detection of an abrupt change in the covariance structure of a high-dimensional random process -- a problem, which…

Statistics Theory · Mathematics 2020-07-30 Valeriy Avanesov , Nazar Buzun

In fault detection and diagnosis of prognostics and health management (PHM) systems, most of the methodologies utilize machine learning (ML) or deep learning (DL) through which either some features are extracted beforehand (in the case of…

Signal Processing · Electrical Eng. & Systems 2022-10-21 Ali Rohan

Gaining the ability to make informed decisions on operation and maintenance of structures provides motivation for the implementation of structural health monitoring (SHM) systems. However, descriptive labels for measured data corresponding…

Machine Learning · Computer Science 2022-06-24 Aidan J. Hughes , Paul Gardner , Lawrence A. Bull , Nikolaos Dervilis , Keith Worden

This work focuses on using advanced techniques for structural health monitoring (SHM) for bridges with Traffic. We propose an approach using deep reinforcement learning (DRL)-based control for Unmanned Aerial Vehicle (UAV). Our approach…

Artificial Intelligence · Computer Science 2024-02-23 Divija Swetha Gadiraju , Saeed Eftekhar Azam , Deepak Khazanchi

Sound event localization frameworks based on deep neural networks have shown increased robustness with respect to reverberation and noise in comparison to classical parametric approaches. In particular, recurrent architectures that…

In this paper, we analyze existing feature selection methods to identify the key elements of network traffic data that allow intrusion detection. In addition, we propose a new feature selection method that addresses the challenge of…

Cryptography and Security · Computer Science 2021-06-30 Firuz Kamalov , Sherif Moussa , Rita Zgheib , Omar Mashaal

Fall detection and classification become an imper- ative problem for healthcare applications particularity with the increasingly ageing population. Currently, most of the fall clas- sification algorithms provide binary fall or no-fall…

Computer Vision and Pattern Recognition · Computer Science 2022-08-26 Leiyu Xie , Yang Sun , Jonathon A. Chambers , Syed Mohsen Naqvi

In this paper, we show an approach to build deep learning algorithms for recognizing signals in distributed fiber optic monitoring and security systems for long perimeters. Synthesizing such detection algorithms poses a non-trivial research…

Computer Vision and Pattern Recognition · Computer Science 2016-10-04 A. V. Makarenko

Clinical text classification is an important problem in medical natural language processing. Existing studies have conventionally focused on rules or knowledge sources-based feature engineering, but only a few have exploited effective…

Computation and Language · Computer Science 2018-07-23 Liang Yao , Chengsheng Mao , Yuan Luo

Network intrusion detection systems (NIDSs) play an important role in computer network security. There are several detection mechanisms where anomaly-based automated detection outperforms others significantly. Amid the sophistication and…

Deep learning (DL) networks have recently been shown to outperform other segmentation methods on various public, medical-image challenge datasets [3,11,16], especially for large pathologies. However, in the context of diseases such as…

Computer Vision and Pattern Recognition · Computer Science 2018-10-18 Tanya Nair , Doina Precup , Douglas L. Arnold , Tal Arbel

Machine learning applications for longitudinal electronic health records often forecast the risk of events at fixed time points, whereas survival analysis achieves dynamic risk prediction by estimating time-to-event distributions. Here, we…

Machine Learning · Computer Science 2024-11-26 Munib Mesinovic , Peter Watkinson , Tingting Zhu

With the growing use of information technology in all life domains, hacking has become more negatively effective than ever before. Also with developing technologies, attacks numbers are growing exponentially every few months and become more…

Cryptography and Security · Computer Science 2022-09-29 Khloud Al Jallad , Mohamad Aljnidi , Mohammad Said Desouki