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Advances in Kernel Methods. Support Vector Learning, B. Scholkopf, C.J.C. Burges, A.J. Smola (Eds.);MIT Press, Cambridge, 1999, pp. 376+vii. ISBN 0-262-19416-3.

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Neurocomputing 2002年第1-4期47卷 303-304页

作者： Witold Pedrycz Department of Electrical and Computer Engineering University of Alberta Edmonton Alta. T6G267 Canada Systems Research Institute Polish Academy of Sciences Warsaw Poland

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Resource requirements for fault-tolerant quantum simulation: The ground state of the transverse Ising model

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Physical Review A 2009年第6期79卷 062314-062314页

作者： Craig R. Clark Tzvetan S. Metodi Samuel D. Gasster Kenneth R. Brown School of Chemistry and Biochemistry and Division of Computational Science and Engineering Georgia Institute of Technology Atlanta Georgia 30332-0400 USA Computer Systems Research Department The Aerospace Corporation El Segundo California 90245-4691 USA

We estimate the resource requirements, the total number of physical qubits and computational time, required to compute the ground-state energy of a one-dimensional quantum transverse Ising model (TIM) of N spin-1/2 particles, as a function of the system size and the numerical precision. This estimate is based on analyzing the impact of fault-tolerant quantum error correction in the context of the quantum logic array architecture. Our results show that a significant amount of error correction is required to implement the TIM problem due to the exponential scaling of the computational time with the desired precision of the energy. Comparison of our results to the resource requirements for a fault-tolerant implementation of Shor’s quantum factoring algorithm reveals that the required logical qubit reliability is similar for both the TIM problem and the factoring problem.

关键词： Error correction

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Exploring ontology-based interactions among C2 and M&S systems: The Common Maneuver Network and mobility common operational picture demonstration

Exploring ontology-based interactions among C2 and M&S syste...

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Simulation Interoperability Workshop Spring 2008, SIW Spring 2008

作者： Blais, Curtis L. Burk, Robin K. Gates, Burhman Q. Goerger, Niki C. Nagle, Joyce A. Richmond, Paul W. MOVES Institute Naval Postgraduate School 700 Dyer Road Rm 265 Monterey CA 93943 United States US Military Academy Department of Systems Engineering ATTN: MADN-SE Bldg 752 West Point NY 10996 United States U.S. Army Engineer Research and Development Center Geotechnical and Structures Laboratory 3909 Halls Ferry Road Vicksburg MS 39180 United States U.S. Army Engineer Research and Development Center Cold Regions Research and Engineering Laboratory 72 Lyme Road Hanover NH 03755 United States

ISBN: (纸本)9781605601083

Achieving semantic interoperability between simulation systems and Command and Control (C2) systems continues to be a challenging area of research and development. One area of considerable study is development of a common representation of the maneuver network to obtain consistency in the results computed by simulations and C2 systems when determining how a ground force will move through some portion of the battle space. The Common Maneuver Network (CMN) program has implemented and demonstrated the ability to obtain consistent results from the One Semi-Automated Force (OneSAF) and an Army C2 system (Army Battle Command System). Moreover, the Army's Assured Mobility concept calls for establishing the mobility common operational picture (M-COP) facilitating command decision-making regarding how best to deploy, move, and maneuver, by ground or vertical means, where and when desired, without interruption or delay, to achieve the intent. The Department of Defense Global Information Grid (GIG) will play a central role in composing the M-COP as a focus area of interest to land warfare decision makers. Network centric operations require the integration of complex communications networks, data from disparate sources, and service-oriented software applications. In the GIG, data and information necessary for the M-COP will be made available through discoverable and callable web-based services to the spectrum of users, software agents, and software systems. The use of ontologies to formally represent data semantics and knowledge combined with service based software architectures provides new opportunities for the integration of command and control systems, simulations, models, and dynamically changing data. This paper describes concepts and architecture for an experiment to further investigate and demonstrate the use of knowledge-based technologies to support tactical maneuver. Automated route planning, route monitoring and intelligent software-initiated route changes are provi

关键词： Ontology

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Low-density generator matrix code for correcting errors with a small optical transponder

Low-density generator matrix code for correcting errors with...

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International Conference on Space Optical systems and Applications (ICSOS)

作者： Hideki Takenaka Eiji Okamoto Morio Toyoshima Department of Space Communication Systems Laboratory Wireless Network Research Institute National Institute of Information and Communications Technology Tokyo Japan Department of Computer Science and Engineering Graduate School of Engineering Nagoya Institute of Technology Nagoya Japan

Space optical communications is studied at National institute of Information and Communications Technology, where the Small Optical TrAnsponder (SOTA) was developed and embarked on a 50-kg-class satellite. Atmospheric fluctuation is an issue to be solved in ground-to-satellite optical communication links. The SOTA has error-correcting functions using Reed-Solomon code and low-density generator matrix (LDGM) code to prevent the omission of data from signal fading owing to atmospheric fluctuations. In this paper, we present a demonstration that involves sending image data taken by an onboard camera with LDGM code via satellite-to-ground optical communication links. Our demonstration reveals how to correct the omission of data resulting from atmospheric turbulence and tracking errors.

关键词： Optical fiber communication Adaptive optics Optical imaging Integrated optics Satellites Indexes Transponders

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Experimental Evaluation of Solar Mirrors Devised with Cooling Technique 4

Experimental Evaluation of Solar Mirrors Devised with Coolin...

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4th International Conference on Electronics and Sustainable Communication systems, ICESC 2023

作者： Badhoutiya, Arti Parkash, Jai Rana, Arti Pareek, Shashank Chohan, Jasgurpreet Singh Gla University Department of Electrical Engineering Mathura281406 India Gulzar Group of Institutions Cse Department Punjab Khanna141401 India Uttaranchal Institute of Technology Uttaranchal University Computer Science & Engineering Dehradun248007 India Chandigarh University Gharuan Cse Department Mohali140413 India University Centre for Research and Development Chandigarh University Gharuan Mohali140413 India

ISBN: (纸本)9798350300093

Transfer of solar energy to electricity using photovoltaic (PV) modules is becoming increasingly common, however high cell cost and low efficiency limit its use in developing countries. Improving PV system performance is one technology for lowering the high cost per unit of electricity. A new low-cost linear-focusing reflective surface solar power collector might be a viable option. The increased amount of entering energy from the mirror throughout all surfaces causes the panel's temperature to rise. Appropriate conditioning is essential to maximize the efficiency of the device. Boosters will block incident radiation since the reflectors are connected to the panel. As a result, an innovative tracking device that concentrates the sun's beams in a direction perpendicular has been devised in this research article. Monitoring with good reflectors and cooling methods ultimately provides high power output. © 2023 IEEE.

关键词： Cooling

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Hardware design and tests of SMURF V1 platform for searching survivors in debris cones 18

Hardware design and tests of SMURF V1 platform for searching...

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18th International Conference on Information systems for Crisis Response and Management, ISCRAM 2021

作者： Watanabe, Masahiro Takahashi, Kenichi Kimura, Tetsuya Tadakuma, Kenjiro Mugaas, Terje Ozawa, Yu Takane, Eri Suzuki, Soichiro Marafioti, Giancarlo Koutsokeras, Miltiadis Tadokoro, Satoshi Tough Cyberphysical AI Research Center Tohoku University Japan Department of System Safety Nagaoka University of Technology Japan Department of Mathematics and Cybernetics SINTEF Digital Norway Graduate School of Information Sciences Tohoku University Japan Graduate School of Engineering Tohoku University Japan International Rescue System Institute United States Institute of Communication and Computer Systems Greece

ISBN: (纸本)9781949373615

When a large-scale disaster such as earthquake occurs, a huge number of victims will be trapped under debris in a wide area. Rescue activities in debris are technically not easy and endanger the first responders. There are several methods for improving safety and efficiency of rescue operation, but their availability is limited to a certain area or short operating time. Our project called CURSOR is developing tools to comprehensively search victims using a large number of ground-based robots entering debris transported by aerial drones. Here we show the development of the exploration robot collecting information with several sensors. The robot system was designed based on the requirements and performance was evaluated by ruggedization tests and mobility tests. No critical problem was found in the durability, and the mobility showed as the same as the ordinary wheel. To improve the mobility, we are planning to apply a proposed unique track mechanism. © 2021 Information systems for Crisis Response and Management, ISCRAM. All rights reserved.

关键词： Machine design

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How to Design a R-D Model for UAV Video Transmission? 15

How to Design a R-D Model for UAV Video Transmission?

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15th IEEE International Conference on Wireless Communications and Signal Processing, WCSP 2023

作者： Yu, Zongyang Yang, Peng Cao, Xianbin Zheng, Dezhi Quek, Tony Q. S. Oliver Wu, Dapeng Beihang University School of Electronic Information Engineering Beijing China Peng Cheng Laboratory Department of Mathematics and Theories Shenzhen China Beijing Institute of Technology Advanced Research Institute of Multidisciplinary Sciences Beijing China Singapore University of Technology and Design Information Systems Technology and Design Singapore City University of Hong Kong Department of Computer Science Kowloon Hong Kong

ISBN: (纸本)9798350324662

Unmanned aerial vehicle (UAV) video transmission has been extensively applied in many crucial fields. However, the problem of designing a rate-distortion (R-D) model for UAV video transmission, which is essential for theoretical analysis of video coding and optimization of video transmission quality, is under-studied. The designed R-D model is desired to be simple, accurate, and generic owing to the limited capability of the UAV. Observing the key role of transformed residuals in the R-D model, this paper elaborately discusses the modeling of the transformed residual distribution and proposes an estimation algorithm to estimate the statistical parameter of the distribution. Specifically, considering the stringent requirements for low complexity and high generalization capability, we first design a linear parameter estimator by mining and analyzing UAV video statistical characteristics. Further, we develop a bias update scheme to improve the accuracy of the estimator. Test results on multiple real video sequences taken by UAVs show that the proposed estimation algorithm is more accurate than benchmarks. © 2023 IEEE.

关键词： expectation maximization algorithm R-D model rate control video coding Video transmission

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Driving fatigue prediction with pre-event electroencephalography (EEG) via a recurrent fuzzy neural network

Driving fatigue prediction with pre-event electroencephalogr...

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IEEE International Conference on Fuzzy systems (FUZZ-IEEE)

作者： Yu-Ting Liu Shang-Lin Wu Kuang-Pen Chou Yang-Yin Lin Jie Lu Guangquan Zhang Wen-Chieh Lin Chin-Teng Lin Brain Research Center Institute of Electrical Control Engineering Institute of Computer Science and Engineering Electronic Systems Research Division National Chung-Shan Institute of Science and Technology (NCSIST) Taoyuan Taiwan FacuIty of Engineering and Information Technology University of Technology Sydney Sydney Australia Department of Computer Science National Chiao-Tung University Hsinchu Taiwan

ISBN: (纸本)9781509006274

We propose an electroencephalography (EEG) prediction system based on a recurrent fuzzy neural network (RFNN) architecture to assess drivers' fatigue degrees during a virtual-reality (VR) dynamic driving environment. Prediction of fatigue degrees is a crucial and arduous biomedical issue for driving safety, which has attracted growing attention of the research community in the recent past. Meanwhile, combined with the benefits of measuring EEG signals facilitates, many EEG-based brain-computer interfaces (BCIs) have been developed for use in real-time mental assessment. In the literature, EEG signals are severely blended with stochastic noise; therefore, the performance of BCIs is constrained by low resolution in recognition tasks. For this rationale, independent component analysis (ICA) is usually used to find a source mapping from original data that has been blended with unrelated artificial noise. However, the mechanism of ICA cannot be used in real-time BCI design. To overcome this bottleneck, the proposed system in this paper utilizes a recurrent self-evolving fuzzy neural work (RSEFNN) to increase memory capability for adaptive noise cancellation when assessing drivers' mental states during a car driving task. The experimental results without the use of ICA procedure indicate that the proposed RSEFNN model remains superior performance compared with the state-of-the-arts models.

关键词： Electroencephalography Fatigue Real-time systems Vehicles Fuzzy neural networks Signal processing algorithms Integrated circuits

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A secure and improved multi server authentication protocol using fuzzy commitment

arXiv

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arXiv 2020年

作者： Ur Rehman, Hafeez Ghani, Anwar Chaudhry, Shehzad Ashraf Alsharif, Mohammed H. Nabipour, Narjes Department of Computer Science and Software Engineering International Islamic University Islamabad Pakistan Department of Computer Engineering Faculty of Engineering and Architecture Istanbul Gelisim University Istanbul Turkey Institute of Research and Development Duy Tan University Da Nang Viet Nam

Very recently, Barman et al. proposed a multi-server authentication protocol using fuzzy commitment. The authors claimed that their protocol provides anonymity while resisting all known attacks. In this paper, we analyze that Barman et al.âĂŹs protocol is still vulnerable to anonymity violation attack and impersonation based on stolen smart attack;moreover, it has scalability issues. We then propose an improved and enhanced protocol to overcome the security weaknesses of Barman et al.’s scheme. The security of the proposed protocol is verified using BAN logic and widely accepted automated AVISPA tool. The BAN logic and automated AVISPA along with the informal analysis ensures the robustness of the scheme against all known attacks. Copyright © 2020, The Authors. All rights reserved.

关键词： Authentication

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Optimal partition of QoS requirements for many-to-many connections

Optimal partition of QoS requirements for many-to-many conne...

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IEEE Annual Joint Conference: INFOCOM, IEEE computer and Communications Societies

作者： D.H. Lorenz A. Orda D. Raz Distributed Computer Systems IBM Haifa Research Laboratory Haifa Israel Department of Electrical Engineering Technion-Israel Institute of Technology Haifa Israel Department of Computer Science Technion-Israel Institute of Technology Haifa Israel

The problems related to supporting multicast connections with quality of service (QoS) requirements are studied. We investigate the problem of optimal resource allocation in the context of performance dependent costs. In this context each network element can offer several QoS guarantees, each associated with a different cost. This is a natural extension to the commonly used bi-criteria model, where each link is associated with a single delay and a single cost. This framework is simple yet strong enough to model many practical interesting networking problems. The fundamental multicast resource allocation problem under this framework is how to optimally allocate QoS requirements on the links of the multicast tree. One needs to partition the end-to-end QoS requirement along the various paths in a tree. The goal is to satisfy the end-to-end QoS requirement with minimum cost. Previous studies under this framework considered single-source multicast connections, where the end-to-end QoS requirement is specified from the source to all other multicast group members. In this paper we extend these results to the more general, and considerably harder case of multicast sessions, where the end-to-end requirement hold for every path between any two multicast group members. Our aim is to provide rigorous solutions, with proven performance guarantees, by way of algorithmic analysis. The problem under investigation is NP hard for general cost functions, thus we first present a pseudopolynomial exact solution. From this solution we derive two efficient /spl epsi/-approximate solutions. One achieves optimal cost, but may violate the end-to-end delay requirement by a factor of (1 + /spl epsi/), and the other strictly obeys the bounds and achieves a cost within a factor of (1+/spl epsi/) of the optimum. Furthermore, we present improved results for discrete cost functions, and give a simple linear-time exact polynomial solution for a specific, and practically interesting, family of convex

关键词： Quality of service Delay Cost function Resource management Call conference Distributed computing computer science Multicast algorithms Performance analysis Algorithm design and analysis

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