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Challenges and possibilities of overtaking strategies for autonomous vehicles

Periodica Polytechnica Transportation engineering 2020年第4期48卷 320-326页

作者： Hegedűs, Tamás Németh, Balázs Gáspár, Péter Department of Control for Transportation and Vehicle Systems Faculty of Transportation Engineering and Vehicle Engineering Budapest University of Technology and Economics Stoczek street 2 BudapestH-1111 Hungary Institute for Computer Science and Control Kende street 13-17 BudapestH-1111 Hungary

This paper present three distinct probability-based methods for decision making and trajectory planning layers of overtaking maneuvering functionality for autonomous vehicles. The computation time of the proposed decision-making algorithms may be high, because the number of describing parameters of the traffic situations may vary in a high range. The presented clustering-based, graph-based and dynamic-based methods differ in the complexity of their computation algorithms. Since the decision-making process may require considerable online computation effort, a neural-network-based approach is presented for implementation purposes. © 2020 Budapest University of Technology and Economics. All rights reserved.

关键词： Decision making

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An Efficient Approach for Agile Web Based Project Estimation: AgileMOW

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Journal of Software engineering and Applications 2013年第6期6卷 297-303页

作者： Ratnesh Litoriya Abhay Kothari Department of Computer Engineering JJT University Rajasthan India 2Department of CSE SIMS Indore India Department of Computer Engineering JJT University Rajasthan India 2Department of CSE SIMS Indore India.

There exist numerous sophisticated models and methods for estimating the size, cost and schedule of software projects. However, the ability to accurately predict the software cost of web based software for agile software projects is still dubious. The most appropriate web based software cost estimation in an agile software development environment is a big problem due to varying levels of customer requirement and different individual personnel capabilities. Also, the need to develop a separate model to estimate web based project is rising. In this research paper, we present AgileMOW, an approach to model a software cost estimation process which will evaluate effort and cost of software development for web based projects developed using Agile methodology with a number of constraints imposed by stakeholders and environmental characteristics, thereby satisfying multitudinous criteria by making use of COCOMO II model, a famous traditional algorithmic technique. Most importantly, the paper identifies the difference between conventional and web projects. The proposed estimation model enhances the level of visibility in the planning stages.

关键词： Agile Software COCOMO II Estimation Manifestoes Web Projects

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Efficient Augmentation of Human Action Recognition Datasets with Warped Windows 26

Efficient Augmentation of Human Action Recognition Datasets ...

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26th International Conference on Knowledge-Based and Intelligent Information and engineering Systems, KES 2022

作者： Warchol, Dawid Oszust, Mariusz Department of Computer and Control Engineering Faculty of Electrical and Computer Engineering Rzeszów University of Technology W. Pola 2 Rzeszów35-959 Poland

In this paper, an approach to augment action recognition time series datasets, devoted to improving the accuracy of deep learning classifiers, is proposed. In the introduced method, two operators are sequentially introduced that perform linear and nonlinear modifications in the time scale of the input time series. The resulting data samples contribute to the variability within classes and allow a deep learning-based classifier to better capture their boundaries, leading to a significant improvement in the classification accuracy. The extensive experiments performed on eight publicly available action recognition datasets using the popular Bidirectional Long Short-Term Memory (BiLSTM) classifier reveal the superiority of the proposed algorithm over related approaches. © 2022 The Authors. Published by Elsevier B.V.

关键词： Time series

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Windows XP issues for real-time temperature monitoring

Windows XP issues for real-time temperature monitoring

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IMTC'05 - Proceedings of the IEEE Instrumentation and Measurement Technology Conference

作者： Marcu, Marius Moldovan, Horatiu Zilahi, Mihai Tomescu, Victor Ionas, Mihai Department of Computer and Software Engineering Politehnica University of Timisoara Faculty of Automation Control and Computer Science 2 V. Parvan Timisoara Romania

ISBN: (纸本)0780388798

Windows operating systems (NT, 2000, XP, 2003) were not designed for real-time and time-critical applications. But, due to the market requirements, many of the monitoring and control applications are to use Windows NT based operating systems. One of the most important parameter in almost all applications is temperature. Therefore, this article addresses the problem of temperature monitoring using a non real-time operating system, like Windows. A number of three solutions for thermal sensors connecting to PC's interfaces are presented. © 2005 IEEE.

关键词： Real time systems

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Enhancing Septic Shock Detection through Interpretable Machine Learning

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computer Modeling in engineering & Sciences 2024年第12期141卷 2501-2525页

作者： Md Mahfuzur Rahman Md Solaiman Chowdhury Mohammad Shorfuzzaman Lutful Karim Md Shafiullah Farag Azzedin Department of Information and Computer Science King Fahd University of Petroleum and MineralsDhahran31261Saudi Arabia Department of Electrical and Computer Engineering North South UniversityDhaka1229Bangladesh Department of Computer Science Taif UniversityTaif21974Saudi Arabia College of Applied Arts and Technology Seneca PolytechnicTorontoM2J 2X5Canada Department of Control&Instrumentation Engineering King Fahd University of Petroleum and MineralsDhahran31261Saudi Arabia

This article presents an innovative approach that leverages interpretable machine learning models and cloud computing to accelerate the detection of septic shock by analyzing electronic health *** traditional methods,which often lack transparency in decision-making,our approach focuses on early detection,offering a proactive strategy to mitigate the risks of *** integrating advanced machine learning algorithms with interpretability techniques,our method not only provides accurate predictions but also offers clear insights into the factors influencing the model’s ***,we introduce a preference-based matching algorithm to evaluate disease severity,enabling timely interventions guided by the analysis *** innovative integration significantly enhances the effectiveness of our *** leverage a clinical health dataset comprising 1,552,210 Electronic Health Records(EHR)to train our interpretable machine learning models within a cloud computing *** techniques like feature importance analysis and model-agnostic interpretability tools,we aim to clarify the crucial indicators contributing to septic shock *** transparency not only assists healthcare professionals in comprehending the model’s predictions but also facilitates the integration of our system into existing clinical *** validate the effectiveness of our interpretable models using the same dataset,achieving an impressive accuracy rate exceeding 98%through the application of oversampling *** findings of this study hold significant implications for the advancement of more effective and transparent diagnostic tools in the critical domain of sepsis management.

关键词： Sepsis prediction machine learning cloud computing

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Finite-element-analysis models for numerical simulation of partial discharges in spherical cavities within solid dielectrics:a review and a novel method

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High Voltage 2020年第5期5卷 556-568页

作者： Johnatan M.Rodríguez-Serna Ricardo Albarracín-Sánchez Abdullahi A.Mas'ud Department of Electrical and Electronic Engineering Automatic Controland Applied PhysicsSchool of Industrial Design and Engineering(ETSIDI)Universidad Politécnica de Madrid(UPM)Ronda de Valencia 328012MadridSpain 2Department of Electrical EngineeringUniversidad de AntioquiaCalle 67 No.53-108MedellínColombia 3Department of Electrical and Electronic Engineering TechnologyJubail Industrial College31961JubailSaudi Arabia

During the last two decades,partial discharges(PDs)modelling methods have been used as a complement of insulation diagnosis systems of electrical ***-element-analysis models for simulating PDs in cavities within solid dielectric materials are reviewed and a novel model is presented,which combines the main advantages of electrostatic and electric current *** theoretical background is presented and some limitations and restrictions are discussed.A case of study was implemented for three different ageing conditions and simulation results exhibit good agreement with reported values by other authors in the *** analysis of variations of PD behaviour with ageing as a function of temperature and pressure is briefly *** is concluded that more research is needed to include physical and chemical interactions on the void surface and that the cavity surface conductivity plays a fundamental role in the PD simulations at advanced ageing conditions.

关键词： element analysis solid

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Vision-based fingerspelling recognition for an assistive technology system

Vision-based fingerspelling recognition for an assistive tec...

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2023 International Conference on Industry Sciences and computer Science Innovation, iSCSi 2023

作者： Kapuscinski, Tomasz Majcher, Marcel Department of Computer and Control Engineering Rzeszow University of Technology W. Pola 2 Rzeszow35-959 Poland

In this paper, a vision-based method for fingerspelled acronyms recognition is proposed. First, the visual information carried by the image is reduced to the person's edges. The heterogeneous and changing background is removed by semantic segmentation of the person using a pre-trained R-CNN Mask. Then, the feature vector is generated by the encoder - part of the autoencoder, previously trained in an unsupervised manner. Finally, the sequence of feature vectors obtained in this way is fed into the input of the Bidirectional Long Short-Term Memory network used for classification. The method is tested on a demanding dataset, including the execution of acronyms fingerspelled by Deaf people who use sign language on a daily basis. Promising results suggest that the method can be incorporated into the Signed Communication System developed by the research team. © 2024 The Authors. Published by ELSEVIER B.V.

关键词： Deep neural networks

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Signed expressions spotting and recognition in an assistive technology system

Signed expressions spotting and recognition in an assistive ...

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2023 International Conference on ENTERprise Information Systems, CENTERIS 2023 - International Conference on Project MANagement, ProjMAN 2023 - International Conference on Health and Social Care Information Systems and Technologies, HCist 2023

作者： Kapuscinski, Tomasz Department of Computer and Control Engineering Rzeszow University of Technology W. Pola 2 Rzeszow35-959 Poland

An algorithm for processing the continuous stream of incoming video data to detect and recognize signed expressions is proposed. The aim is to improve an assistive technology system. The method is based on the dynamic flow of expression models between a repository of inactive models and pools of active and completed models. When modeling signed expressions, so-called visemes are used. These are units smaller than words - the equivalent of phonemes known from speech recognition. Visemes are extracted by clustering descriptors of the holistic skeletons. The sequential-simultaneous nature of gestures is considered, and the modeling is carried out in four parallel channels related to the position and shape of both hands. The conditions for activation, deactivation, and recognition of the model as completed are formulated, assuming asynchronous changes in individual channels. The method is successfully tested on a demanding dataset recorded by potential users. © 2024 The Author(s).

关键词： Human computer interaction

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Integral evaluations for a class of multivariable fuzzy control systems 15th

Integral evaluations for a class of multivariable fuzzy cont...

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15th World Congress of the International Federation of Automatic control, 2002

作者： Kluska, Jacek Wiktorowicz, Krzysztof Department of Control and Computer Engineering Rzeszow University of Technology W. Pola 2 Rzeszow35-959 Poland

ISBN: (纸本)9783902661746

The problem of the integral evaluations of the state and control vectors in continuous multi-input-multi-output fuzzy control systems is investigated. The fuzzy controller is assumed to be nonlinearity in a bounded sector and the controlled plant - a linear system described by the differential or integral equations. The stability problem is investigated and the problem of how to use the integral evaluations for the fuzzy control system design is proposed. Copyright © 2002 IFAC.

关键词： control system stability

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Vision-based gesture modeling for signed expressions recognition 26

Vision-based gesture modeling for signed expressions recogni...

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26th International Conference on Knowledge-Based and Intelligent Information and engineering Systems, KES 2022

作者： Kapuscinski, Tomasz Inglot, Krzysztof Rzeszow University of Technology Department of Computer and Control Engineering W. Pola 2 Rzeszow35-959 Poland

A vision-based method for signed expressions recognition consisting of searching for previously prepared word models in the analyzed utterances was developed. The models were created as temporal sequences of grouped descriptors of the place of articulation and the shape of the hand. The descriptors were created using the skeletons determined by the deep neural network and histogram of oriented gradients features. The classification was carried out using the Wagner-Fischer algorithm for determining Levenshtein distance, which was modified to search for fragments in sequences of discrete symbols. Considering the practical application of the developed method, even in the case of partially inaccurate recognition results, it was proposed to visualize the answers in the form of a word cloud. The method was tested for a challenging set of sign language expressions used in the office when applying for an ID card. © 2022 The Authors. Published by Elsevier B.V.

关键词： Human computer interaction

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