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arXiv 2018年

作者： Chowdhury, A. Vezio, P. Bonaldi, M. Borrielli, A. Marino, F. Morana, B. Pandraud, G. Pontin, A. Prodi, G.A. Sarro, P.M. Serra, E. Marin, F. CNR-INO L.go Enrico Fermi 6 FirenzeI-50125 Italy I-50019 Italy I-50019 Italy Institute of Materials for Electronics and Magnetism Nanoscience-Trento-FBK Division Povo Trento38123 Italy Trento Institute for Fundamental Physics and Application Povo TrentoI-38123 Italy Dept. of Microelectronics and Computer Engineering ECTM-EKL Delft University of Technology Feldmanweg 17 Delft2628 CT Netherlands Department of Physics and Astronomy University College London Gower Street LondonWC1E 6BT United Kingdom Dipartimento di Fisica Università di Trento Povo TrentoI-38123 Italy I-50019 Italy

Cavity optomechanics has achieved the major breakthrough of the preparation and observation of macroscopic mechanical oscillators in peculiarly quantum states. The development of reliable indicators of the oscillator properties in these conditions is important also for applications to quantum technologies. We compare two procedures to infer the oscillator occupation number, minimizing the necessity of system calibrations. The former starts from homodyne spectra, the latter is based on the measurement of the motional sidebands asymmetry in heterodyne spectra. Moreover, we describe and discuss a method to control the cavity detuning, that is a crucial parameter for the accuracy of the latter, intrinsically superior procedure. Copyright © 2018, The Authors. All rights reserved.

关键词： Thermometers

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Modeling and analysis of data flow in MAC layer of WSN-MCN convergence network

Modeling and analysis of data flow in MAC layer of WSN-MCN c...

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International Conference on Signal Processing, Communication, Power and Embedded System (SCOPES)

作者： Anita Swain Arun Kumar Ray Prasanta Kumar Swain School of Electronics Engineering KIIT University Bhubaneswar India Dept. of Computer Application North Orissa University Baripada India

ISBN: (纸本)9781509046218

With enormous growth of wireless communication technologies, mobile phone plays an important role in future development of ubiquitous network. New cellular devices are equipped with powerful computing, communicating and storage facilities which will improve scalability, energy efficiency and decrease packet delay, etc. The performance metrics like coverage, enhanced target tracking and superior channel capacity can be increased by using mobile sink over a static sink in Wireless Sensor Network (WSN). On the other hand Mobile Cellular Network (MCN) has technology of wide coverage area, powerful nodes and network robustness but it's deployment is expensive. Therefore, integration of MCN and WSN is the need of the hour. This integrated type of communication network minimizes the data loss which is an important challenge that occurs at medium access control (MAC) layer. Therefore Quality of Service (QoS) metrics for data flow is emerging issues which need to be solved. In this paper, we study the issues in convergence of MCN and WSN with respect to MAC layer. An analytical model is designed to study performance metric for data traffic flow from sensor node to mobile phone. The QoS measures in terms of data packet delay, loss of data packets etc. are represented in the form of graphs.

关键词： Wireless sensor networks Mobile handsets Convergence Quality of service Data models Mobile communication Mobile computing

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Perceptual encryption method for vector map based on geometric transformations

Perceptual encryption method for vector map based on geometr...

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Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA)

作者： P. N. Giao Oh-Jun Kwon Suk-Hwan Lee Ki-Ryong Kwon Dept. of IT Convergence & Application Engineering Pukyong National University Pusan South Korea Dept. of Computer Software Engineering Dong-Eui University Pusan South Korea Dept. of Information Security Tongmyong University Pusan South Korea

ISBN: (纸本)9781509024018

Currently, there are many applications used vector map data widely. But the production of vector map consumes a lot of money and human resource while vector map data is bought by any user or attacked by pirates, and then they distributed vector map data easily without permission from providers. So, provider desires a method to encrypt vector map data before storing and transmitting to ensure the access control and prevent illegal copying of it. This paper presents a perceptual encryption method for vector map data based on encrypting geometric objects in the frequency domain of discrete cosine transform. Geometric objects in vector map are changed by geometric transformations. After that, they are encrypted selectivity in the frequency domain of discrete cosine transform to obtain encrypted objects. In experiments, vector map data is changed entirely after encryption process, and the proposed method is very effective for a large of vector map datasets.

关键词： Discrete cosine transforms Encryption Shearing Geographic information systems Spatial databases

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A pipelined-based multi-thread acceleration method for remote sensing image progressive transmission

International Journal of Signal Processing, Image Processing...

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International Journal of Signal Processing, Image Processing and Pattern Recognition 2016年第9期9卷 123-138页

作者： Qu, Haicheng Zhang, Junping Meng, Yu Dept. of Information Engineering Harbin Institute of Technology Harbin China Dept. of Software Engineering Software College of Liaoning Technical University Huludao China Dept.of Computer Application Technology College of Information Science and Engineering Northeastern University Shenyang China

In order to meet the different data browsing requests for different users to the visual quality of remote sensing images in heterogeneous network especially under narrow bandwidth environments, an online remote sensing image progressive transmission model is constructed in which remote sensing image compression and decompression are synchronized with transmission. At the same time, a pipeline-based multi-threaded acceleration method has been proposed through solving the asynchronous problem between compression decompression and transmission to improve the efficiency of remote sensing progressive transmission. At last, an idea of retry broken downloads transmission interruption has been implemented to improve end-user interactive experience. Experimental results show that the whole processing speed has been improved nearly twice without reducing image transmission quality and the amount of data transmission was reduced evidently by using the proposed progressive transmission and real-time compression model. © 2016 SERSC.

关键词： Image enhancement

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Recommender Systems in a Patient centric Social Network - A Survey

Recommender Systems in a Patient centric Social Network - A ...

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International Conference on Signal Processing, Communication, Power and Embedded System

作者： Swarupananda Bissoyi Brojo Kishore Mishra Manas Ranjan Patra Dept. of Computer Application North Orissa University Baripada India C. V. Raman College of Engineering Bhubaneswar Berhampur University Berhampur

ISBN: (纸本)9781509046218

In a traditional social network, users are concerned with finding people who share similar interests. In a patient centric social network, the user is a patient who is concerned about finding other patients who are having similar conditions or symptoms. A patient centric social network serves the purpose of a Health Recommender System wherein the system recommends similar patients, caregivers to its users. In this paper we survey the existing patient centric social networks, its functions, recommendation techniques used and the evaluation methods employed. Our focus is only on those recommender algorithms and strategies employed in traditional social network recommender systems, which works towards recommending similar patients in a patient centric social network.

关键词： Recommender Systems Social Network Health Recommender Systems PHR

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Genetic fuzzy markup language-based item response theory agent for online self-learning platform construction

Genetic fuzzy markup language-based item response theory age...

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IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)

作者： Chang-Shing Lee Mei-Hui Wang Koun-Hong Lin Sheng-Chi Yang Ting-Tzu Lin Center for Research of Knowledge Application & Web Service National University of Tainan Tainan Taiwan Dept. of Computer Science and Information Engineering National University of Tainan Tainan Taiwan

ISBN: (纸本)9781509006274

Popularity of the Internet has increased online self-learning platforms such as Coursera and Khan Academy. This paper proposes an online self-learning platform (KWS learning platform) for self-learners to improve their English learning for listening in southern Taiwan. According to students' response data from Formosa Cup 2015 challenge match held in Taiwan, this paper also applies a genetic fuzzy markup language (GFML) to propose an item response theory (IRT) agent for inferring possibility of correctly answering a specific item. A genetic learning mechanism is also adopted to improve the experimental results. The learners' English listening ability is actually improved by constant practices. An evaluation on the performance of our proposed method shows the proposed agent can work effectively.

关键词： Parameter estimation Genetics Fuzzy logic Markup languages Knowledge engineering Urban areas Government

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Search for a light charged Higgs boson in t → H ^± b decays, with H ^± → cb, in the lepton+jets final state in proton-proton collisions at √s = 13 TeV with the ATLAS detector

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Journal of High Energy Physics 2023年第9期2023卷 4页

作者： Aad, G. Abbott, B. Abbott, D.C. Abed Abud, A. Abeling, K. Abhayasinghe, D.K. Abidi, S.H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y. Abusleme Hoffman, A.C. Acharya, B.S. Achkar, B. Adam, L. Adam Bourdarios, C. Adamczyk, L. Adamek, L. Addepalli, S.V. Adelman, J. Adiguzel, A. Adorni, S. Adye, T. Affolder, A.A. Afik, Y. Agapopoulou, C. Agaras, M.N. Agarwala, J. Aggarwal, A. Agheorghiesei, C. Aguilar-Saavedra, J.A. Ahmad, A. Ahmadov, F. Ahmed, W.S. Ai, X. Aielli, G. Aizenberg, I. Akatsuka, S. Akbiyik, M. Åkesson, T.P.A. Akimov, A.V. Al Khoury, K. Alberghi, G.L. Albert, J. Albicocco, P. Alconada Verzini, M.J. Alderweireldt, S. Aleksa, M. Aleksandrov, I.N. Alexa, C. Alexopoulos, T. Alfonsi, A. Alfonsi, F. Alhroob, M. Ali, B. Ali, S. Aliev, M. Alimonti, G. Allaire, C. Allbrooke, B.M.M. Allport, P.P. Aloisio, A. Alonso, F. Alpigiani, C. Alunno Camelia, E. Alvarez Estevez, M. Alviggi, M.G. Amaral Coutinho, Y. Ambler, A. Ambroz, L. Amelung, C. Amidei, D. Amor Dos Santos, S.P. Amoroso, S. Amos, K.R. Amrouche, C.S. Ananiev, V. Anastopoulos, C. Andari, N. Andeen, T. Anders, J.K. Andrean, S.Y. Andreazza, A. Angelidakis, S. Angerami, A. Anisenkov, A.V. Annovi, A. Antel, C. Anthony, M.T. Antipov, E. Antonelli, M. Antrim, D.J.A. Anulli, F. Aoki, M. Aparisi Pozo, J.A. Aparo, M.A. Aperio Bella, L. Aranzabal, N. Araujo Ferraz, V. Arcangeletti, C. Arce, A.T.H. Arena, E. Arguin, J.-F. Argyropoulos, S. Arling, J.-H. Armbruster, A.J. Armstrong, A. Arnaez, O. Arnold, H. Arrubarrena Tame, Z.P. Artoni, G. Asada, H. Asai, K. Asai, S. Asbah, N.A. Asimakopoulou, E.M. Asquith, L. Assahsah, J. Assamagan, K. Astalos, R. Atkin, R.J. Atkinson, M. Atlay, N.B. Atmani, H. Atmasiddha, P.A. Augsten, K. Auricchio, S. Austrup, V.A. Avner, G. Avolio, G. Ayoub, M.K. Azuelos, G. Babal, D. Bachacou, H. Bachas, K. Bachiu, A. Backman, F. Badea, A. Bagnaia, P. Bahrasemani, H. Bailey, A.J. Bailey, V.R. Baines, J.T. Bakalis, C. Baker, O.K. Bakker, P.J. Bakos, E. Bakshi Gupta, D. Balaji, S. Balasubramanian, R. Baldin, E.M. Balek, P. Ballabene, E. Balli, F Department of Physics University of Adelaide Adelaide Australia Department of Physics University of Alberta Edmonton AB Canada Department of Physics Ankara University Ankara Turkey Division of Physics TOBB University of Economics and Technology Ankara Turkey LAPP Univ. Savoie Mont Blanc CNRS/IN2P3 Annecy France High Energy Physics Division Argonne National Laboratory Argonne IL United States Department of Physics University of Arizona Tucson AZ United States Department of Physics University of Texas at Arlington Arlington TX United States Physics Department National and Kapodistrian University of Athens Athens Greece Physics Department National Technical University of Athens Zografou Greece Department of Physics University of Texas at Austin Austin TX United States Bahcesehir University Faculty of Engineering and Natural Sciences Istanbul Turkey Istanbul Bilgi University Faculty of Engineering and Natural Sciences Istanbul Turkey Department of Physics Bogazici University Istanbul Turkey Department of Physics Engineering Gaziantep University Gaziantep Turkey Institut de Física d’Altes Energies (IFAE) Barcelona Institute of Science and Technology Barcelona Spain Institute of High Energy Physics Chinese Academy of Sciences Beijing China Physics Department Tsinghua University Beijing China Department of Physics Nanjing University Nanjing China University of Chinese Academy of Science (UCAS) Beijing China Institute of Physics University of Belgrade Belgrade Serbia Department for Physics and Technology University of Bergen Bergen Norway Physics Division Lawrence Berkeley National Laboratory Berkeley CA United States Institut für Physik Humboldt Universität zu Berlin Berlin Germany Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics University of Bern Bern Switzerland School of Physics and Astronomy University of Birmingham Birmingham United Kingdom Facultad de Ciencias y Centro de Investigaciónes Unive

A search for a charged Higgs boson, H ±, produced in top-quark decays, t → H ± b, is presented. The search targets H ± decays into a bottom and a charm quark, H ± → cb. The analysis focuses o... 详细信息

A search for a charged Higgs boson, H ^±, produced in top-quark decays, t → H ^± b, is presented. The search targets H ^± decays into a bottom and a charm quark, H ^± → cb. The analysis focuses on a selection enriched in top-quark pair production, where one top quark decays into a leptonically decaying W boson and a bottom quark, and the other top quark decays into a charged Higgs boson and a bottom quark. This topology leads to a lepton-plus-jets final state, characterised by an isolated electron or muon and at least four jets. The search exploits the high multiplicity of jets containing b-hadrons, and deploys a neural network classifier that uses the kinematic differences between the signal and the background. The search uses a dataset of proton-proton collisions collected at a centre-of-mass energy s = 13 TeV between 2015 and 2018 with the ATLAS detector at CERN’s Large Hadron Collider, amounting to an integrated luminosity of 139 fb⁻¹. Observed (expected) 95% confidence-level upper limits between 0.15% (0.09%) and 0.42% (0.25%) are derived for the product of branching fractions B (t → H ^± b) × B(H ^± → cb) for charged Higgs boson masses between 60 and 160 GeV, assuming the SM production of the top-quark pairs. [Figure not available: see fulltext.]. © 2023, The Author(s).

关键词： Hadron-Hadron Scattering

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Search for high-mass Wγ and Zγ resonances using hadronic W/Z boson decays from 139 fb⁻¹ of pp collisions at √s = 13 TeV with the ATLAS detector

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Journal of High Energy Physics 2023年第7期2023卷 125页

作者： Aad, G. Abbott, B. Abbott, D.C. Abed Abud, A. Abeling, K. Abhayasinghe, D.K. Abidi, S.H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y. Abusleme Hoffman, A.C. Acharya, B.S. Achkar, B. Adam, L. Adam Bourdarios, C. Adamczyk, L. Adamek, L. Addepalli, S.V. Adelman, J. Adiguzel, A. Adorni, S. Adye, T. Affolder, A.A. Afik, Y. Agapopoulou, C. Agaras, M.N. Agarwala, J. Aggarwal, A. Agheorghiesei, C. Aguilar-Saavedra, J.A. Ahmad, A. Ahmadov, F. Ahmed, W.S. Ai, X. Aielli, G. Aizenberg, I. Akatsuka, S. Akbiyik, M. Åkesson, T.P.A. Akimov, A.V. Al Khoury, K. Alberghi, G.L. Albert, J. Albicocco, P. Alconada Verzini, M.J. Alderweireldt, S. Aleksa, M. Aleksandrov, I.N. Alexa, C. Alexopoulos, T. Alfonsi, A. Alfonsi, F. Alhroob, M. Ali, B. Ali, S. Aliev, M. Alimonti, G. Allaire, C. Allbrooke, B.M.M. Allport, P.P. Aloisio, A. Alonso, F. Alpigiani, C. Alunno Camelia, E. Alvarez Estevez, M. Alviggi, M.G. Amaral Coutinho, Y. Ambler, A. Ambroz, L. Amelung, C. Amidei, D. Amor Dos Santos, S.P. Amoroso, S. Amos, K.R. Amrouche, C.S. Ananiev, V. Anastopoulos, C. Andari, N. Andeen, T. Anders, J.K. Andrean, S.Y. Andreazza, A. Angelidakis, S. Angerami, A. Anisenkov, A.V. Annovi, A. Antel, C. Anthony, M.T. Antipov, E. Antonelli, M. Antrim, D.J.A. Anulli, F. Aoki, M. Aparisi Pozo, J.A. Aparo, M.A. Aperio Bella, L. Aranzabal, N. Araujo Ferraz, V. Arcangeletti, C. Arce, A.T.H. Arena, E. Arguin, J.-F. Argyropoulos, S. Arling, J.-H. Armbruster, A.J. Armstrong, A. Arnaez, O. Arnold, H. Arrubarrena Tame, Z.P. Artoni, G. Asada, H. Asai, K. Asai, S. Asbah, N.A. Asimakopoulou, E.M. Asquith, L. Assahsah, J. Assamagan, K. Astalos, R. Atkin, R.J. Atkinson, M. Atlay, N.B. Atmani, H. Atmasiddha, P.A. Augsten, K. Auricchio, S. Austrup, V.A. Avner, G. Avolio, G. Ayoub, M.K. Azuelos, G. Babal, D. Bachacou, H. Bachas, K. Bachiu, A. Backman, F. Badea, A. Bagnaia, P. Bahrasemani, H. Bailey, A.J. Bailey, V.R. Baines, J.T. Bakalis, C. Baker, O.K. Bakker, P.J. Bakos, E. Bakshi Gupta, D. Balaji, S. Balasubramanian, R. Baldin, E.M. Balek, P. Ballabene, E. Balli, F Department of Physics University of Adelaide Adelaide Australia Department of Physics University of Alberta Edmonton AB Canada Department of Physics Ankara University Ankara Turkey Division of Physics TOBB University of Economics and Technology Ankara Turkey LAPP Université Savoie Mont Blanc CNRS/IN2P3 Annecy France High Energy Physics Division Argonne National Laboratory Argonne IL United States Department of Physics University of Arizona Tucson AZ United States Department of Physics University of Texas at Arlington Arlington TX United States Physics Department National and Kapodistrian University of Athens Athens Greece Physics Department National Technical University of Athens Zografou Greece Department of Physics University of Texas at Austin Austin TX United States Bahcesehir University Faculty of Engineering and Natural Sciences Istanbul Turkey Istanbul Bilgi University Faculty of Engineering and Natural Sciences Istanbul Turkey Department of Physics Bogazici University Istanbul Turkey Department of Physics Engineering Gaziantep University Gaziantep Turkey Institut de Física d’Altes Energies (IFAE) Barcelona Institute of Science and Technology Barcelona Spain Institute of High Energy Physics Chinese Academy of Sciences Beijing China Physics Department Tsinghua University Beijing China Department of Physics Nanjing University Nanjing China University of Chinese Academy of Science (UCAS) Beijing China Institute of Physics University of Belgrade Belgrade Serbia Department for Physics and Technology University of Bergen Bergen Norway Physics Division Lawrence Berkeley National Laboratory Berkeley CA United States Institut für Physik Humboldt Universität zu Berlin Berlin Germany Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics University of Bern Bern Switzerland School of Physics and Astronomy University of Birmingham Birmingham United Kingdom Facultad de Ciencias y Centro de Investigaciónes

A search for high-mass charged and neutral bosons decaying to Wγ and Zγ final states is presented in this paper. The analysis uses a data sample of s = 13 TeV proton-proton collisions with an integrated luminosity of 139 fb⁻¹ collected by the ATLAS detector during LHC Run 2 operation. The sensitivity of the search is determined using models of the production and decay of spin-1 charged bosons and spin-0/2 neutral bosons. The range of resonance masses explored extends from 1.0 TeV to 6.8 TeV. At these high resonance masses, it is beneficial to target the hadronic decays of the W and Z bosons because of their large branching fractions. The decay products of the high-momentum W/Z bosons are strongly collimated and boosted-boson tagging techniques are employed to improve the sensitivity. No evidence of a signal above the Standard Model backgrounds is observed, and upper limits on the production cross-sections of these bosons times their branching fractions to Wγ and Zγ are derived for various boson production models. [Figure not available: see fulltext.]. © 2023, The Author(s).

关键词： Hadron-Hadron Scattering

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A Survey on Different Techniques for Information Resource Scheduling in Cloud Computing

A Survey on Different Techniques for Information Resource Sc...

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International Conference on Computational Intelligence and Communication Networks (CICN)

作者： Sangeeta Kumari Ravi Kant Kapoor Shailendra Singh Dept. of Computer Engineering and Application National Institute of Technical Teachers' Training and Research Bhopal India

Cloud computing is an umbrella term used to refer to Internet based development and services. It is a virtual pool of resources which are provided to users via Internet. The main root of cloud computing is the abstraction and virtualization. There is a requirement of scheduling to manage the huge amount of data, transmission cost, load balancing and the execution of such amount of data. Cloud computing service providers' one of the major goals is to use the resources efficiently for their optimum use. This leads to task scheduling as a core and challenging issue in cloud computing. This paper explores methods of scheduling in cloud computing. It helps to understand the wide task scheduling options in order to select one for a given environment. We have analyzed various techniques for better utilization of resources and also compared those methods. Finally, concluded with some suggestion as future work.

关键词： Cloud computing Processor scheduling Heuristic algorithms Load management Dynamic scheduling Conferences

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An Intersection Game-Theory-Based Traffic Control Algorithm in a Connected Vehicle Environment

An Intersection Game-Theory-Based Traffic Control Algorithm ...

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International Conference on Intelligent Transportation

作者： Mohammed Elhenawy Ahmed A. Elbery Abdallah A. Hassan Hesham A. Rakha Dept. of Electrical and Computer Engineering Virginia Tech Blacksburg VA Dept. of Computer Science and Application Virginia Tech Blacksburg VA Dept. of Civil and Environmental Engineering Virginia Tech Transportation Institute Blacksburg VA

Urban traffic congestion is a growing problem that we experience every day. Intersections are one of the major bottlenecks that contribute to urban traffic congestion. Traditional traffic control methods, such as traffic signal and stop sign control are not optimal for all demand levels as demonstrated in the literature. Recently, numerous research efforts proposed Intelligent Transportation System (ITS) applications to enhance intersection capacity and hence reduce congestion. In this paper we propose a game-theory-based algorithm for controlling autonomous vehicle movements equipped with Cooperative Adaptive Cruise Control (CACC) systems at uncontrolled intersections. The goal of this research effort is to develop an algorithm capable of using the future autonomous/automated vehicle capabilities to replace the usual state-of-the-practice control systems at intersections (e.g. stop signs, traffic signals, etc.). The proposed algorithm is chicken-game inspired and is efficient for application in real-time. It assumes vehicles can communicate with a central agent at the intersection to provide their instantaneous speeds and locations. The proposed algorithm assumes that vehicles obey the Nash equilibrium solution of the game. The simulation results demonstrated reductions in vehicle travel time and delay relative to an all-way stop sign control in the range of 49 and 89 percent on average respectively.

关键词： Vehicles Games Acceleration Delays Algorithm design and analysis Game theory Mobile robots

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