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6th International Conference on Advancements in Computing, ICAC 2024

作者： Nissanka, Hashith Wijayasundara, Sajini Rajarathne, Jude Vidanagamage, Sahan Arachchi, Didula Thanaweera Abeygunawardhana, Pradeep K. W. Sri Lanka Insitute of Information Technology Dept. Information Technology Kandy Sri Lanka Sri Lanka Insitute of Information Technology Dept. Information Technology Colombo Sri Lanka Sri Lanka Insitute of Information Technology Dept. Information Technology Malabe Sri Lanka Sri Lanka Insitute of Information Technology Dept. Computer Systems Engineering Malabe Sri Lanka

ISBN: (纸本)9798331517878

Developments in Augmented Reality (AR) and Virtual Reality (VR) have the potential to revolutionize medical education, especially in the areas of Coronary Angiography and Cardiac Auscultation. By giving medical and nursing students realistic, interactive experiences, the suggested VR and AR settings seek to modernize medical education by addressing the issues regarding the lack of real-world practice. Interactive 3D models, such as a realistic virtual body, rotatable heart models, ECG recordings, and real-life heart sounds, are available in the VR Cardiac Auscultation Environment. With the use of these components, students can practice diagnosing diseases including bradycardia, tachycardia, and cardiac murmurs in a dynamic and risk-free setting, improving their diagnostic skills. Similar to this, the AR Cardiac Auscultation Application combines interactive quizzes, machine learning for diagnostic verification, and real-time ECG scans to provide a powerful tool for teaching students how to recognize and understand various heart diseases and noises, this also can be a verification tool for junior doctors. By giving students firsthand experience with intricate medical procedures, virtual reality and augmented reality platforms offer a compelling and realistic approach to medical education. According to the research, these instruments can greatly enhance diagnostic proficiency, which will ultimately result in better educational outcomes and more qualified healthcare workers. © 2024 IEEE.

关键词： Students

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CNN-LSTM: Development of Offline Signature Authentication 1

CNN-LSTM: Development of Offline Signature Authentication

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1st IEEE International Conference on Emerging Research in Computational Science, ICERCS 2023

作者： Ganapathy, Revathy Lingeshwaran, D. Suthanthiradevi, P. Harish Kumar, M.V. Vels Insitute of Science Technology and Advanced Studies Department of Computer Science and Engineering Chennai India Srm Institute of Science and Technology Department of Data Science and Business Systems Chennai India

ISBN: (纸本)9798350359756

Offline Signature Authentication is a critical task in the field of document authentication, and its accuracy is essential for ensuring security while transactions. This research proposes two approaches: Initially Pre-trained CNN models are used to extract features from signature images, which are then combined with handcrafted features such as HOG and some other geometric features of signature. Such combined features are passed to bidirectional LSTM model in which drop out layer undergoes classification which differentiate real and forgery signature. The proposed system has potential applications in document authentication and security, subsequently combination of CNN models and additional features provides more comprehensive representation of signature images resulting in improved accuracy. Three signature datasets are utilized namely GDPS, CEDAR, and BHSig-Bengali each with varying signature styles and image quality. Our experimental outcomes reveal that Bidirectional Convolutional LSTM along with handcraft features attained maximum accuracy in offline signature verification system. © 2023 IEEE.

关键词： Long short-term memory

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VascularVision: Mixed Reality Based Teaching and Learning Environment for Cardiovascular Conditions

VascularVision: Mixed Reality Based Teaching and Learning En...

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Advancements in Computing (ICAC), International Conference on

作者： Hashith Nissanka Sajini Wijayasundara Jude Rajarathne Sahan Vidanagamage Didula Thanaweera Arachchi Pradeep K. W. Abeygunawardhana Dept. Information Technology Sri Lanka Insitute of Information Technology Kandy Sri Lanka Dept. Information Technology Sri Lanka Insitute of Information Technology Colombo Sri Lanka Dept. Information Technology Sri Lanka Insitute of Information Technology Malabe Sri Lanka Dept. Computer Systems Engineering Sri Lanka Insitute of Information Technology Malabe Sri Lanka

ISBN: (数字)9798331517878

ISBN: (纸本)9798331517885

关键词： Heart Solid modeling Three-dimensional displays Tachycardia Education Medical services Electrocardiography Medical diagnostic imaging Augmented reality Diseases

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Two-Player Incomplete Games of Resilient Multiagent systems

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IFAC-PapersOnLine 2023年第2期56卷 258-263页

作者： Yurid E. Nugraha Tomohisa Hayakawa Hideaki Ishii Ahmet Cetinkaya Quanyan Zhu Department of Electrical Engineering Institut Teknologi Sepuluh Nopember Surabaya 60111 Indonesia Department of Systems and Control Engineering Tokyo Institute of Technology Tokyo 152-8552 Japan Department of Computer Science Tokyo Insitute of Technology Yokohama 226-8502 Japan Department of Functional Control Systems Shibaura Institute of Technology Tokyo 135-8548 Japan Department of Electrical and Computer Engineering New York University Brooklyn NY 11201 USA

Evolution of agents’ dynamics of multiagent systems under consensus protocol in the face of jamming attacks is discussed, where centralized parties are able to influence the control signals of the agents. In this paper we focus on a game-theoretical approach of multiagent systems where the players have incomplete information on their opponents’ strength. We consider repeated games with both simultaneous and sequential player actions where players update their beliefs of each other over time. The effect of the players’ optimal strategies according to Bayesian Nash Equilibrium and Perfect Bayesian Equilibrium on agents’ consensus is examined. It is shown that an attacker with incomplete knowledge may fail to prevent consensus despite having sufficient resources to do so.

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CNN-LSTM: Development of Offline Signature Authentication

CNN-LSTM: Development of Offline Signature Authentication

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Emerging Research in Computational Science (ICERCS), International Conference on

作者： Revathy Ganapathy Lingeshwaran D P. SuthanthiraDevi Harish Kumar M V Department of Computer Science and Engineering Vels Insitute of Science Technology and Advanced Studies Chennai India Department of Data Science and Business Systems SRM Institute of Science and Technology Chennai India

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A Rolling Horizon Game Considering Network Effect in Cluster Forming for Dynamic Resilient Multiagent systems

arXiv

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arXiv 2023年

作者： Nugraha, Yurid Cetinkaya, Ahmet Hayakawa, Tomohisa Ishii, Hideaki Zhu, Quanyan Department of Systems and Control Engineering Tokyo Institute of Technology Tokyo152-8552 Japan Department of Functional Control Systems Shibaura Institute of Technology Tokyo135-8548 Japan Department of Computer Science Tokyo Insitute of Technology Yokohama226-8502 Japan Department of Electrical and Computer Engineering New York University BrooklynNY11201 United States

A two-player game-theoretic problem on resilient graphs in a multiagent consensus setting is formulated. An attacker is capable to disable some of the edges of the network with the objective to divide the agents into clusters by emitting jamming signals while, in response, the defender recovers some of the edges by increasing the transmission power for the communication signals. Specifically, we consider repeated games between the attacker and the defender where the optimal strategies for the two players are derived in a rolling horizon fashion based on utility functions that take both the agents’ states and the sizes of clusters (known as network effect) into account. The players’ actions at each discrete-time step are constrained by their energy for transmissions of the signals, with a less strict constraint for the attacker. Necessary conditions and sufficient conditions of agent consensus are derived, which are influenced by the energy constraints. The number of clusters of agents at infinite time in the face of attacks and recoveries are also characterized. Simulation results are provided to demonstrate the effects of players’ actions on the cluster forming and to illustrate the players’ performance for different horizon parameters. © 2023, CC BY.

关键词： Game theory

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Cluster Forming of Multiagent systems in Rolling Horizon Games with Non-uniform Horizons

arXiv

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arXiv 2023年

作者： Nugraha, Yurid Cetinkaya, Ahmet Hayakawa, Tomohisa Ishii, Hideaki Zhu, Quanyan The Department of Systems and Control Engineering Tokyo Institute of Technology Tokyo152-8552 Japan The Shibaura Institute of Technology Tokyo135-8548 Japan The Department of Computer Science Tokyo Insitute of Technology Yokohama226-8502 Japan The Department of Electrical and Computer Engineering New York University BrooklynNY11201 United States

Consensus and cluster forming of multiagent systems in the face of jamming attacks along with reactive recovery actions by a defender are discussed. The attacker is capable to disable some of the edges of the network with the objective to divide the agents into a smaller size of clusters while, in response, the defender recovers some of the edges by increasing the transmission power. We consider repeated games where the resulting optimal strategies for the two players are derived in a rolling horizon fashion. The attacker and the defender possess different computational abilities to calculate their strategies. This aspect is represented by the non-uniform values of the horizon lengths and the game periods. Theoretical and simulation based results demonstrate the effects of the horizon lengths and the game periods on the agents’ states. © 2023, CC BY.

关键词： Multi agent systems

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Post Quantum Cryptography: Techniques, Challenges, Standardization, and Directions for Future Research

arXiv

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arXiv 2022年

作者： Bavdekar, Ritik Chopde, Eashan Jayant Bhatia, Ashutosh Tiwari, Kamlesh Daniel, Sandeep Joshua Atul Dept. of Computer Science and Information Systems Birla Insitute of Technology and Science Pilani Pilani Campus Jhunjhunu Rajasthan 333031 India Department of Electrical and Electronics Engineering Birla Insitute of Technology and Science Pilani Pilani Campus Jhunjhunu Rajasthan 333031 India

The development of large quantum computers will have dire consequences for cryptography. Most of the symmetric and asymmetric cryptographic algorithms are vulnerable to quantum algorithms. Grover’s search algorithm gives a square root time boost for the searching of the key in symmetric schemes like AES and 3DES. The security of asymmetric algorithms like RSA, Diffie Hellman, and ECC is based on the mathematical hardness of prime factorization and discrete logarithm. The best classical algorithms available take exponential time. Shor’s factoring algorithm can solve the problems in polynomial time. Major breakthroughs in quantum computing will render all the present-day widely used asymmetric cryptosystems insecure. This paper analyzes the vulnerability of the classical cryptosystems in the context of quantum computers, discusses various post-quantum cryptosystem families, discusses the status of the NIST post-quantum cryptography standardization process, and finally provides a couple of future research directions in this field. © 2022, CC BY.

关键词： Quantum computers

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Two-Player Incomplete Games of Resilient Multiagent systems

arXiv

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arXiv 2022年

作者： Nugraha, Yurid E. Hayakawa, Tomohisa Ishii, Hideaki Cetinkaya, Ahmet Zhu, Quanyan Department of Electrical Engineering Sepuluh Nopember Institute of Technology Surabaya60111 Indonesia Department of Systems and Control Engineering Tokyo Institute of Technology Tokyo152-8552 Japan Department of Computer Science Tokyo Insitute of Technology Yokohama226-8502 Japan Department of Functional Control Systems Shibaura Institute of Technology Tokyo135-8548 Japan Department of Electrical and Computer Engineering New York University BrooklynNY11201 United States

关键词： Multi agent systems

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Synthesis of two-dimensional transition metal dichalcogenides for electronics and optoelectronics

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InfoMat 2021年第4期3卷 362-396页

作者： Min Wu Yonghong Xiao Yang Zeng Yuanliang Zhou Xiangbin Zeng Lining Zhang Wugang Liao College of Electronic and Information Engineering Insitute of Microscale Opteletronics Shenzhen Engineering Laboratory of Phosphorene and OptoelectronicsSZU-NUS Collaborative Innovation Centre for Optoelectronic Science and TechnologyKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceShenzhen UniversityShenzhenPeople's Republic of China Shenzhen Geim Graphene Center Tsinghua Berkeley Shenzhen Institute and Tsinghua Shenzhen International Graduate SchoolTsinghua UniversityShenzhenPeople's Republic of China Laboratory for Optoeletronic Devices and Informnation Integration School of Optical and electronic InformationHuazhong Universty of Science and TechnologyWuhanPeople's Republic of China School of Electronic and Computer Engineering Peking UniversityShenzhenPeople's Republic of China

Tremendous efforts have been devoted to preparing the ultrathin two-dimensional(2D)transition-metal dichalcogenides(TMDCs)and TMDCS-based heterojunctions owing to their unique properties and great potential applications in next generation electronics and optoelectronics over the past ***,to fulfill the demands for practical applications,the batch production of 2D TMDCs with high quality and large area at the mild condi-tions is still a *** feature article reviews the state-of-the art research progresses that focus on the preparation and the applications in elec-tronics and optoelectronics of 2D TMDCs and their van der Waals ***,the preparation methods including chemical and physical vapor deposition growth are comprehensively ***,recent progress on the application of fabricated 2D TMDCs based materials is revealed with particular attention to electronic(eg,field effect transistors and logic circuits)and optoelectronic(eg,photodetectors,photovoltaics,and light emitting diodes)***,the challenges and future prospects are considered based on the current advance of 2D TMDCs and related heterojunctions.

关键词： electronic and optoelectronic application transition metal dichalcogenides two-dimensional materials van der Waals heterojunctions

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