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Image Enhancement for Facial Landmark Detection 21

Image Enhancement for Facial Landmark Detection

引用

21st RoEduNet Conference on Networking in Education and Research, RoEduNet 2022

作者： Ciuntu, Victor Chiornita, Traian Boiangiu, Costin-Anton Tarba, Nicolae Voncila, Mihai-Lucian Rosner, Daniel Politehnica University Faculty of Automatic Control and Computers Computer Science and Engineering Department Bucharest Romania

ISBN: (数字)9781665455282

ISBN: (纸本)9781665455282

Facial landmark detection (FLD) is a field of study in computer vision that specializes in detecting and tracking key points from human faces. There are many applications, such as detecting a human's head pose (position and rotation), tracking whether drivers are paying attention or not, applying augmented reality, etc. This paper proposes to evaluate and decide what are the optimal techniques of image enhancement that can be used to improve different algorithms of FLD. After proposing different pipelines of contrast enhancement and grayscale conversion to enhance the image before applying the FLD algorithm, the results show that the performance will not increase drastically if an image enhancement pipeline is used, but for the reason that this step will not consume a lot of time in the process of detection, it is a step worth considering. © 2022 IEEE.

关键词： Face recognition

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Increasing the security of web applications by using smartphones 21

Increasing the security of web applications by using smartph...

引用

21st RoEduNet Conference on Networking in Education and Research, RoEduNet 2022

作者： Contasel, Cristian Tranca, Dumitru-Cristian Palacean, Alexandru-Viorel University Politehnica of Bucharest Bucharest Faculty of Automatic Control and Computers Department of Computer Engineering Romania

ISBN: (数字)9781665455282

ISBN: (纸本)9781665455282

The web applications security systems often use the authentication strategy and credentials to assess the identity of the user. Based on the credentials, the system is able to claim the identity of the user. Also, the authenticity of identity is claimed based on authentication strategy. This paper analyzes and compares different strategies used to enforce the web applications security systems by using location and biometric features of the smartphones to provide two-way authentications. © 2022 IEEE.

关键词： Smartphones

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A simulation research method for data injection attacks on DC microgrids

A simulation research method for data injection attacks on D...

引用

2024 China Automation Congress, CAC 2024

作者： Hou, Yunhui Liu, Mengxiang Shen, Na National Key Laboratory of Transient Physics Nanjing University of Science and Technology Nanjing China Department of Automatic Control and Systems Engineering University of Sheffield Western Bank Sheffield United Kingdom

ISBN: (纸本)9798350368604

By using Typhoon HIL simulator, a simulation research method of data injection attack against secondary control DC microgrid is established, which reveals the important influence of the attack function on the effectiveness and covertness of the attack. Firstly, a decentralized four-node DC microgrid system using TCP/IP Modbus protocol for communication is built in Typhoon HIL simulator, then, a microgrid security testing experimental platform based on the man-in-the-middle attack as a network attack method is built in Kali Linux system, which can carry out timed single- and multilinks data injection attacks and replay attack on the above four-node DC microgrid. The paper designs a variety of data injection attack schemes to study the impact of data injection attacks on voltage and current control in this DC microgrid, including single-link attack, multi-link composite attack, and replay attack using different attack functions. By controlling the main parameters of the attack function, the amplitude of the fluctuation of the output voltage generated by the attack can be controlled, which can produce a more covert and effective attack effect. © 2024 IEEE.

关键词： DC microgrids False data injection attack Man-in-the-middle attack Power grid cyber security Replay attack

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Complete OCR Solution for Image Analysis of World War 2 Documents 21

Complete OCR Solution for Image Analysis of World War 2 Docu...

引用

21st RoEduNet Conference on Networking in Education and Research, RoEduNet 2022

作者： Gradinaru, Mihai Negru, Andrei Boiangiu, Costin-Anton Tarba, Nicolae Voncila, Mihai-Lucian Deaconescu, Razvan Adrian Politehnica University Faculty of Automatic Control and Computers Computer Science and Engineering Department Bucharest Romania

ISBN: (数字)9781665455282

ISBN: (纸本)9781665455282

The field of Optical Character Recognition (OCR) consists of techniques that are mainly focused on document image analysis. Aside from generating significant speedups of everyday procedures, OCR has a considerable role in the preservation of historical sources of information. Most of the World War 2 (WW2) documents are of great importance, especially with applications in virtual archives, museums, and research. The situation asks for an efficient, yet not aggressive, transcribing method using OCR tools. This paper describes an approach in the context of the given problem. The focus is oriented towards extracting the information from documents affected by their age, but with simpler structures, mainly split into paragraphs, such as letters and military reports. The approach is based on combining the results of multiple OCR engines, with the final objective of achieving better performance compared to the individual performance of each engine. © 2022 IEEE.

关键词： Engines

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Discrete-Analog Filters on Switchable Capacitors with a Summator of Input and Output Signals on a Differential Difference Operational Amplifier

Discrete-Analog Filters on Switchable Capacitors with a Summ...

引用

2024 IEEE Ural-Siberian Conference on Biomedical engineering, Radioelectronics and Information Technology, USBEREIT 2024

作者： Denisenko, Darya Titov, Alexey Prokopenko, Nikolay Butyrlagin, Nikolay Don State Technical University Department Of Scientific Research Rostov-on-Don Russia Southern Federal University Department Of Automatic Control Systems Rostov-on-Don Russia Don State Technical University Department Of Information Systems And Radio Engineering Rostov-on-Don Russia

ISBN: (纸本)9798350362893

Four new modifications of discrete analog filters (DAF) of second order low frequencies (LPF) on switched capacitors, which are protected by the authors of the article as objects of intellectual property, have been developed and studied. In the considered DAF family, unlike other known circuit solutions, summation of input and output signals is provided using a differential difference operational amplifier. As a result, the low-pass filter transmission coefficient in the passband does not depend on the passive elements of the circuit and is always equal to minus one. Buffer amplifiers in two DAF circuits are necessary to reduce the influence of switching circuits on transient processes. In the Micro-Cap environment, computer simulations of four modifications of DAFs were performed, showing that the proposed DAFs have the amplitude-frequency response of a low-pass filter. Sequences of pulses are given that should control four electronic keys, made, for example, on CMOS transistors. Graphs of transient processes of the DAF are shown for an input sinusoidal signal with an amplitude of 1V and a frequency of 1591 Hz, equal to the pole frequency at a switching frequency of electronic keys of 1 MHz. The DAF transmission coefficients for the input sinusoidal signal in different frequency ranges are determined. It has been established that with the selected parameters of the elements in the considered DAFs, which are low-pass filters, the input signal at a frequency of 159.10 kHz is attenuated by more than 60 dB. © 2024 IEEE.

关键词： Low pass filters

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Increasing communication security for Bluetooth Medical Devices in eHealth systems 21

Increasing communication security for Bluetooth Medical Devi...

引用

21st RoEduNet Conference on Networking in Education and Research, RoEduNet 2022

作者： Contasel, Cristian Tranca, Dumitru-Cristian Palacean, Alexandru-Viorel Rosner, Daniel University Politehnica of Bucharest Faculty of Automatic Control and Computers Department of Computer Engineering Bucharest Romania

ISBN: (数字)9781665455282

ISBN: (纸本)9781665455282

The market of Medical Devices has an annual growth rate perspective of 5.4% in the 2022 - 2028 period. The growth rate is mainly supported by the increased usage of devices for chronic diseases prevention and for remote patient monitoring. The growth rate is also supported by the population's appetite for mobile devices. The continuously growing number of mobile devices has led to an increase in the number of cyber-attacks against them. In this paper we present Personal Medical Hub, an optimized security solution for Bluetooth enabled medical devices, that enhances data privacy and is aimed to offer protection against man-in-the-middle attacks and other security breaches and backdoors. © 2022 IEEE.

关键词： Cybersecurity

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Utilization of Uniform Circular Array for Estimating RF Source Location in Real-time

Utilization of Uniform Circular Array for Estimating RF Sour...

引用

International Conference on control, Automation and Diagnosis (ICCAD)

作者： Hamad Alsayegh Mohammad Almuhaihi Automatic Control and Systems Engineering Department University of Sheffield Aerospace Engineering Department University of Michigan

ISBN: (数字)9798350361025

ISBN: (纸本)9798350361032

This Radio Frequency (RF) source location estimation scheme utilizes angles of arrival of a signal source acquired from the Multiple Signal Classification (MUSIC) algorithm. In reliance on that as a Maximum Likelihood estimation, the obtained angles are augmented to an adaptive probability distribution function (PDF), which is then employed to estimate the location of the RF emitter by feeding the PDF to an Extended Kalman Filter (EKF). Numerous use cases and theoretical works have been presented in the literature. Some of these papers mention applications regarding implementing DoA algorithms in dynamic platforms like in [9], [10], [11], [12], and [13] mostly all of them use Uniform Linear Array (ULA), four of them working with Estimation of Signal Parameters via Rotational Invariance Technique (ESPRIT), and one with MUSIC Direction of Arrival (DoA) method. In [14], MUSIC was used with a Uniform Circular Array (UCA). However, less coupling has been incorporated with the covariance of measurement error. In this paper, the dynamic 2D DoA MUSIC algorithm used in a platform, applied together with an EKF estimation and coupled with measurement covariance in a simulation environment to precisely locate an RF emitter and provide high-resolution Line-of-Sight (LOS).

关键词： Radio frequency Maximum likelihood estimation Direction-of-arrival estimation Heuristic algorithms Current measurement Estimation Position measurement

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Security Issues in Software-Defined Networking (SDN) Environments 23

Security Issues in Software-Defined Networking (SDN) Environ...

引用

23rd RoEduNet Conference: Networking in Education and Research, RoEduNet 2024

作者： Yalda, Khirota Gorgees Hamad, Diyar Jamal Tapus, Nicolae Okumus, Ibrahim Taner Politehnica University of Bucharest Faculty of Automatic Control and Computer Science Bucharest Romania Erbil Polytechnic University Kurdistan Region IT Department Soran Technical College Erbil Iraq Kahramanmaras Sutcu Imam University Kahramanmaras Computer Engineering Faculty of Engineering Turkey

ISBN: (纸本)9798331540388

Software-Defined Networking (SDN) represents a significant shift in network architecture, providing exceptional programmability, flexibility, and simplified management. However, this paradigm shift introduces a unique set of security challenges that must be addressed to fully realize the potential of SDN. This paper examines the security issues in SDN environments, detailing the threats and vulnerabilities at various layers of the SDN architecture, including the control plane, data plane, and application plane. Through an extensive review of current literature, critical security challenges such as controller attacks, data plane breaches, and vulnerabilities in inter-plane communications are identified. Existing security solutions and mitigation strategies, such as authentication and authorization mechanisms, encryption techniques, and intrusion detection systems, are also explored. Furthermore, the paper discusses recent advances and emerging trends in SDN security, offering insights into ongoing research and future directions. The findings underscore the importance of robust security measures in ensuring the reliability and integrity of SDN deployments, providing a foundation for future innovation and development in this dynamic field. © 2024 IEEE.

关键词： Network intrusion

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Heating Station Automated control System Based on a Small-Scale Model of a Laboratory Stand 5

Heating Station Automated Control System Based on a Small-Sc...

引用

5th IEEE International Conference on Modern Electrical and Energy System, MEES 2023

作者： Kovalchuk, Viktoriya Korenkova, Tetyana Serdiuk, Oleksandr Korzeniewska, Ewa Kremenchuk Mykhailo Ostrohradskyi National University Department of Systems of Automatic Control and Electric Drive Kremenchuk39600 Ukraine Lodz University of Technology Institute of Electrical Engineering Systems Lodz Poland

ISBN: (纸本)9798350359787

The expediency of using multi-functional laboratory stands in the process of training specialists in the electromechanical profession is substantiated. The paper contains characteristics of the small-scale model of the "Teplopunkt"laboratory stand, on the basis of which it is possible to research the means of automation of heating systems with supply ventilation. The structure of the automated control and monitoring system of the "Teplopunkt"laboratory stand is given. A laboratory workshop based on a small-scale model is developed. Its implementation allows improving the effectiveness of practical training of specialists in the field of automation of thermal processes. The dynamic characteristics of the operation of the laboratory stand with the maintenance of a constant temperature of the heat-transfer agent based on the mathematical model are obtained. © 2023 IEEE.

关键词： Electric drives

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A Moreau Envelope Approach for LQR Meta-Policy Estimation 63

A Moreau Envelope Approach for LQR Meta-Policy Estimation

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63rd IEEE Conference on Decision and control, CDC 2024

作者： Aravind, Ashwin Toghani, Mohammad Taha Uribe, Cesar A. Iit Bombay Centre for Systems and Control MH Mumbai India Rice University Department of Electrical and Computer Engineering HoustonTX United States

ISBN: (纸本)9798350316339

We study the problem of policy estimation for the Linear Quadratic Regulator (LQR) in discrete-time linear timeinvariant uncertain dynamical systems. We propose a Moreau Envelope-based surrogate LQR cost, built from a finite set of realizations of the uncertain system, to define a meta-policy efficiently adjustable to new realizations. Moreover, we design an algorithm to find an approximate first-order stationary point of the meta-LQR cost function. Numerical results show that the proposed approach outperforms naive averaging of controllers on new realizations of the linear system. We also provide empirical evidence that our method has better sample complexity than Model-Agnostic Meta-Learning (MAML) approaches. © 2024 IEEE.

关键词： Cost functions

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