Intelligent fault diagnosis of rolling bearings based on LSTM with large margin nearest neighbor algorithm
In industrial machinery, rolling bearings are often rated as the most likely to fail in mechanical systems due to excessive working stress. Therefore, effective methods to diagnose the faults in rolling bearings are becoming necessary and required ...
Neural intuitionistic fuzzy system with justified granularity
Fuzzy systems are intensively investigated and extended to construct forecasting models. In particular, intuitionistic fuzzy sets are used to capture higher levels of uncertainty occurring in the modeled data. Neural networks are also used to ...
Multisource financial sentiment analysis for detecting Bitcoin price change indications using deep learning
- Nikolaos Passalis,
- Loukia Avramelou,
- Solon Seficha,
- Avraam Tsantekidis,
- Stavros Doropoulos,
- Giorgos Makris,
- Anastasios Tefas
The success of deep learning (DL) in various areas, such as computer vision, fueled the interest in several novel DL-enabled applications, such as financial trading, which could potentially surpass the previously used approaches. Indeed, there has ...
A novel multi-step forecasting strategy for enhancing deep learning models’ performance
Multi-step forecasting is considered as an open challenge in time-series analysis. Although several approaches were proposed to address this complex prediction problem, none of them could secure the development of an efficient as well as a ...
Deep autoencoders for acoustic anomaly detection: experiments with working machine and in-vehicle audio
The growing usage of digital microphones has generated an increased interest in the topic of Acoustic Anomaly Detection (AAD). Indeed, there are several real-world AAD application domains, including working machines and in-vehicle intelligence (...
Applying machine learning techniques to predict and explain subscriber churn of an online drug information platform
Presently, most markets are extremely saturated and, as a result, businesses are highly competitive. Hence, avoiding the loss of preexisting customers is pivotal, deeming the prediction of customer loss crucial to efficiently target potential ...
Machine learning for groundwater pollution source identification and monitoring network optimization
- Yiannis N. Kontos,
- Theodosios Kassandros,
- Konstantinos Perifanos,
- Marios Karampasis,
- Konstantinos L. Katsifarakis,
- Kostas Karatzas
The identification of the source in groundwater pollution is the only way to drastically deal with resulting environmental problems. This can only be achieved by an appropriate monitoring network, the optimization of which is prerequisite for the ...
Self organizing maps for cultural content delivery
Tailored analytics play a key role in the successful delivery of cultural content to huge and diverse groups. Primarily the latter depends on a number of information retrieval factors determining user experience quality, most prominently precision,...
COREM2 project: a beginning to end approach for cyber intrusion detection
The growing need to use online services has made it necessary to ensure protection against all kinds of cyber-threats. This research effort aims to tackle network security problems as follows: It introduces the hybrid intrusion detection system ...
Deep learning and multimodal feature fusion for the aided diagnosis of Alzheimer's disease
The accurate diagnosis of Alzheimer’s disease (AD) in the early stages, such as significant memory concern (SMC) and mild cognitive impairment (MCI), is essential in order to slow its progression through timely treatment. Recent achievements have ...
Consolidating incentivization in distributed neural network training via decentralized autonomous organization
Big data has reignited research interest in machine learning. Massive quantities of data are being generated regularly as a consequence of the development in the Internet, social networks, and online sensors. Particularly deep neural networks ...
Multiclass sentiment analysis on COVID-19-related tweets using deep learning models
COVID-19 is an infectious disease with its first recorded cases identified in late 2019, while in March of 2020 it was declared as a pandemic. The outbreak of the disease has led to a sharp increase in posts and comments from social media users, ...
Automated distinction of neoplastic from healthy liver parenchyma based on machine learning
Liver segmentation is a basic and important procedure in liver transplantation surgery as well as in liver volumetric assessment. What is commonly done in clinical practice and research is the time-consuming manual delineation of liver regions. ...
Amateur football analytics using computer vision
In recent years, there has been an interest in visual sports analytics, and especially in player and ball detection, action recognition, and camera pose estimation in various sports. The greatest interest is associated with football or soccer. The ...
Known and unknown event detection in OTDR traces by deep learning networks
- Antonino Maria Rizzo,
- Luca Magri,
- Davide Rutigliano,
- Pietro Invernizzi,
- Enrico Sozio,
- Cesare Alippi,
- Stefano Binetti,
- Giacomo Boracchi
Optical fiber links are customarily monitored by Optical Time Domain Reflectometer (OTDR), an optoelectronic instrument that measures the scattered or reflected light along the fiber and returns a signal, namely the OTDR trace. OTDR traces are ...
Feature selection methods in microarray gene expression data: a systematic mapping study
Feature selection (FS) is an important area of research in medicine and genetics. Cancer classification based on the microarray gene expression data is a challenge in this area due to its high-dimensional features and small sample size. This can ...
An improved estimation of distribution algorithm for multi-objective optimization problems with mixed-variable
Multi-objective evolutionary algorithms face many challenges in optimizing mixed-variable multi-objective problems, such as quantization error, low search efficiency of discontinuous discrete variables, and difficulty in coding non-integer ...
Recent advances in multi-objective grey wolf optimizer, its versions and applications
In this work, a comprehensive review of the multi-objective grey wolf optimizer (MOGWO) is provided. In multi-objective optimization (MO), more than one objective function must be considered at the same time. To deal with such problems, a priori ...
Multiclass feature selection with metaheuristic optimization algorithms: a review
Selecting relevant feature subsets is vital in machine learning, and multiclass feature selection is harder to perform since most classifications are binary. The feature selection problem aims at reducing the feature set dimension while ...
Regularized semi-supervised KLFDA algorithm based on density peak clustering
To solve the problem that the existing semi-supervised FISHER discriminant analysis algorithm (FDA) cannot effectively use both labeled and unlabeled data for learning, we propose a semi-supervised Kernel local FDA Algorithm based on density peak ...
A novel technique for stress detection from EEG signal using hybrid deep learning model
Stress is burgeoning in today’s fast-paced lifestyle, and its detection is imperative. An electroencephalography (EEG) technique is used to identify the brain’s activities from the brain’s electrical bio-signals. However, only a highly trained ...
Learning to transfer attention in multi-level features for rotated ship detection
Multi-scale object detection is one of the focuses of object detection, which is particularly vital for ship detection. In order to achieve the desired effects, most advanced Convolutional Neural Network-based detectors enumerate and make ...
Class binarization to neuroevolution for multiclass classification
Multiclass classification is a fundamental and challenging task in machine learning. The existing techniques of multiclass classification can be categorized as (1) decomposition into binary (2) extension from binary and (3) hierarchical ...
Design of a robust hybrid fuzzy super-twisting speed controller for induction motor vector control systems
This paper deals with a new design of a hybrid fuzzy super-twisting sliding mode controller (HFSTSMC) for a three-phase induction motor (IM) controlled by the rotor flux orientation technique. Super-twisting sliding mode control is employed as a ...
An intelligent disease prediction and monitoring system using feature selection, multi-neural network and fuzzy rules
This work proposes a new intelligent disease prediction system for predicting the disease and also knowing the current status of the dead diseases such as diabetic, heart and cancer diseases. More number of people are affecting and losing their ...
Structural-optimized sequential deep learning methods for surface soil moisture forecasting, case study Quebec, Canada
Surface soil moisture (MSS) is a key factor governing environmental interactions in any catchment. Energy flux between soil and atmosphere, soil temperature, and heat diffusion in soil are examples of impressible interactions. Consequently, the ...
Double-kernelized weighted broad learning system for imbalanced data
Broad learning system (BLS) is an emerging neural network with fast learning capability, which has achieved good performance in various applications. Conventional BLS does not effectively consider the problems of class imbalance. Moreover, ...
An efficient hardware implementation of CNN-based object trackers for real-time applications
The object tracking field continues to evolve as an important application of computer vision. Real-time performance is typically required in most applications of object tracking. The recent introduction of Convolutional Neural network (CNN) ...