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6th Augmented Human International Conference, AH 2015

作者： Koike, Hideki Yamaguchi, Hiroaki Tokyo Institute of Technology Department of Computer Science 2-5-1 Oookayama Meguro Tokyo152-8552 Japan University of Electro-Communications Graduate School of Information Systems 1-5-1 Chofugaoka Chofu Tokyo182-8585 Japan

ISBN: (纸本)9781450333498

This paper proposes a method for real-time tracking of flying objects and image projection onto them for developing a particle-based volumetric 3D display. The first section describes the concept using high-speed cameras and projectors for a particle-based volumetric 3D display. Our solution suggests a prediction model with kinematic laws and uses Kalman Filters to address latency issues within the projector-camera system. We conducted experiments to show the accuracy of the image projection. We also present an application of our method in entertainment, Digital Juggling. Copyright 2015 ACM.

关键词： High speed cameras

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Mathematical modeling of automotive supply chain networks

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Periodica Polytechnica Transportation Engineering 2016年第3期44卷 181-186页

作者： Dömötörfi, Ákos Péter, Tamás Szabó, Krisztián Multidisciplinary Doctoral School of Engineering Széchenyi István University Egyetem tér 1 GyorH-9026 Hungary Department of Control for Transportation and Vehicle Systems Faculty of Transportation Engineering and Vehicle Engineering Budapest University of Technology and Economics Stoczek u. 2. BudapestH-1111 Hungary Institute for Computer Science and Control Hungarian Academy of Sciences Kende u. 13-17 BudapestH-1111 Hungary

The aim of this research is to set up a possible model for describing automotive supply chain networks. The work to be presented analyses the real-world environment and its changes in a broader view. The research provides the extension of the mathematical modeling domain, accordingly. The paper studies the basic relational structure of automotive supply chain, where the methodology is determined by the classical business strategic levels. This is done by combining the theories of network and theories for traffic systems. We uncover the hidden relational parallelism between the automotive supply chain and positive systems, complex networks and find that the industry network shows some similar scale-free structural properties indicating the existence of a typical dependence and dominance structure with complex dynamical behavior.

关键词： Complex networks

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Evaluation of endourological tools to improve the diagnosis and therapy of ureteral tumors - From model development to clinical application

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Current Directions in Biomedical Engineering 2015年第1期1卷 145-151页

作者： Wagner, D. Porsch, M. Detert, M. Bartel, F. Siedentopf, S. Schindele, D. Wendler, J.J. Lux, A. Schmidt, B. Schostak, M. Liehr, U.B. Department of Micro and Sensor Systems Otto-von-Guericke-University Universitätsplatz 2 Magdeburg 39106 Germany Department of Urology Otto-von-Guericke-University Magdeburg Leipziger Straße 44 Magdeburg 39120 Germany Institute of Pathology Otto-von-Guericke-University Magdeburg Leipziger Straße 44 Magdeburg 39120 Germany Department of Biometry and Medical Computer Science Otto-von-Guericke-University Magdeburg Leipziger Straße 44 Magdeburg 39120 Germany

Adequate diagnosis of upper urinary tract (UUT) tumors is essential for successful local treatment. Organsparing approaches are technically difficult and require consistent further development. Appropriate models for investigating new diagnostic and therapeutic methods are not yet available. This study demonstrates the incorporation of a fresh sample model into five different test levels (I-V) for improving the diagnosis and therapy of ureteral tumors. In these test levels, new diagnostic and ablation techniques are evaluated for feasibility, application safety, efficacy and accuracy. An assessment of their suitability for broad preclinical and clinical application also took economic aspects into account. © 2015 by Walter de Gruyter GmbH, Berlin/Boston 2015.

关键词： Ultrasonics

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Chiral quantum walks

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Physical Review A 2016年第4期93卷 042302-042302页

作者： Dawei Lu Jacob D. Biamonte Jun Li Hang Li Tomi H. Johnson Ville Bergholm Mauro Faccin Zoltán Zimborás Raymond Laflamme Jonathan Baugh Seth Lloyd Institute for Quantum Computing and Department of Physics and Astronomy University of Waterloo Waterloo N2L 3G1 Ontario Canada ISI Foundation Via Alassio 11/c 10126 Torino Italy Centre for Quantum Technologies National University of Singapore 3 Science Drive 2 117543 Singapore Keble College University of Oxford Parks Road Oxford OX1 3PG United Kingdom Clarendon Laboratory University of Oxford Parks Road Oxford OX1 3PU United Kingdom Dahlem Center for Complex Quantum Systems Freie Universität Berlin 14195 Berlin Germany Department of Computer Science University College London Gower Street London WC1E 6BT United Kingdom Department of Theoretical Physics University of the Basque Country UPV/EHU 48080 Bilbao Spain Perimeter Institute for Theoretical Physics Waterloo Ontario Canada Department of Chemistry University of Waterloo Waterloo N2L 3G1 Ontario Canada Massachusetts Institute of Technology Department of Mechanical Engineering Cambridge Massachusetts 02139 USA

Given its importance to many other areas of physics, from condensed-matter physics to thermodynamics, time-reversal symmetry has had relatively little influence on quantum information science. Here we develop a network-based picture of time-reversal theory, classifying Hamiltonians and quantum circuits as time symmetric or not in terms of the elements and geometries of their underlying networks. Many of the typical circuits of quantum information science are found to exhibit time asymmetry. Moreover, we show that time asymmetry in circuits can be controlled using local gates only and can simulate time asymmetry in Hamiltonian evolution. We experimentally implement a fundamental example in which controlled time-reversal asymmetry in a palindromic quantum circuit leads to near-perfect transport. Our results pave the way for using time-symmetry breaking to control coherent transport and imply that time asymmetry represents an omnipresent yet poorly understood effect in quantum information science.

关键词： Quantum walks Symmetries

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The LTE thermofluid simulation of AR/SF6 gas-blast arcs in a nozzle space in an arc device

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IEEJ Transactions on Power and Energy 2016年第9期136卷 741-748页

作者： Murai, Kosuke Nakano, Tomoyuki Tanaka, Yasunori Uesugi, Yoshihiko Ishijima, Tatsuo Tomita, Kentaro Suzuki, Katsumi Iijima, Takanori Shinkai, Takeshi Faculty of Electrical and computer Engineering Kanazawa University Kakuma Kanazawa920-1192 Japan Research center for sustainable Energy and Technology Kanazawa University Kakuma Kanazawa920-1192 Japan Department of Applied Science for Electronics and Materials Kyushu University 6-1 Kasuga-Koen Kasuga Fukuoka816-8580 Japan Department of Electrical and Electronic Engineering Tokyo Denki University 5 Asahi-cho Senju Adachi-ku Tokyo120-8551 Japan Power Systems Company Toshiba Corporation 2-1 Ukishima Kawasaki-ku Kawasaki210-0862 Japan

The present paper describes numerical thermofluid simulation results of SF6, Ar, and Ar/SF6 arcs in a nozzle space at atmospheric pressure on the assumption of local thermodynamic equilibrium (LTE) condition. It is crucial to investigate fundamentals on arc extinction phenomena by numerical simulation approach as well as experimental approach. Two-dimensional temperature distributions in SF6, Ar, Ar/SF6 gas-blast arcs were calculated in a steady state at a direct current of 50 A. Furthermore, transient temperature distributions in these arcs were computed under free recovery condition for a fundamental study. We investigated dependences of the gas mixture ratio of SF6 to Ar and the gas flow velocity on the arc temperature and the arc voltage. The calculated arc voltage in the steady state and the transition of electron density under free recovery condition were compared with those obtained by laser Thomson scattering method in our experiments. As a result, the increasing admixture ratio of SF6 to Ar and the increasing gas flow velocity shrinks the arc plasma around nozzle throat inlet, leading to the higher arc resistance. Under free recovery condition, the arc plasma decay more rapidly there. Comparison in electron density shows the similar dependence on SF6 and Ar, while there is still some difference in the absolute value of electron density between the calculation results and experimental results.

关键词： Sulfur hexafluoride

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Space QUEST mission proposal: Experimentally testing decoherence due to gravity

arXiv

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arXiv 2017年

作者： Joshi, Siddarth Koduru Pienaar, Jacques Ralph, Timothy C. Cacciapuoti, Luigi McCutcheon, Will Rarity, John Giggenbach, Dirk Lim, Jin Gyu Makarov, Vadim Fuentes, Ivette Scheidl, Thomas Beckert, Erik Bourennane, Mohamed Bruschi, David Edward Cabello, Adan Capmany, Jose Carrasco-Casado, Alberto Diamanti, Eleni Dusek, Miloslav Elser, Dominique Gulinatti, Angelo Hadfield, Robert H. Jennewein, Thomas Kaltenbaek, Rainer Krainak, Michael A. Lo, Hoi-Kwong Marquardt, Christoph Milburn, Gerard Peev, Momtchil Poppe, Andreas Pruneri, Valerio Renner, Renato Salomon, Christophe Skaar, Johannes Solomos, Nikolaos Stipčević, Mario Torres, Juan P. Toyoshima, Morio Villoresi, Paolo Walmsley, Ian Weihs, Gregor Weinfurter, Harald Zeilinger, Anton Zukowski, Marek Ursin, Rupert Institute for Quantum Optics and Quantum Information Austrian Academy of Sciences Boltzmanngasse 3 ViennaA-1090 Austria Centre for Quantum Computation & Communication Technology Department of Physics University of Queensland St LuciaQLD4072 Australia European Space Agency Keplerlaan 1 - P.O. Box 299 AG Noordwijk ZH2200 Netherlands Department of Electrical and Electronic Engineering University of Bristol Merchant Venturers Building Woodland Road BristolBS8 1UB United Kingdom German Aerospace Center Institute of Communications and Navigation Muenchner Strasse 20 Wessling82234 Germany Institute for Quantum Computing Department of Electrical and Computer Engineering University of Waterloo WaterlooONN2L 3G1 Canada Institute for Quantum Computing Department of Physics and Astronomy University of Waterloo WaterlooONN2L 3G1 Canada Precision Engineering Department Fraunhofer IOF Albert-Einstein-Straße 7 Jena07745 Germany Physics department Stockholm University Albanova universitetscentrum Universitetsvägen 10 Stockholm114 18 Sweden York Centre for Quantum Technologies Department of Physics University of York HeslingtonYO10 5DD United Kingdom University of Seville SevillaE-41012 Spain iTEAM Research Institute Universitat Politcnica de Valencia Valencia46022 Spain 4-2-1 Nukui-Kitamachi Koganei Tokyo184-8795 Japan CNRS Universite Pierre et Marie Curie Paris75005 France Department of Optics Faculty of Science Palacky University 17. Iistopadu 12 Olomouc772 00 Czech Republic Max Planck Institute for the Science of Light Bldg. 24 Günther-Scharowsky Str. 1 ErlangenD-91058 Germany Piazza Leonardo da Vinci 32 Milano20133 Italy School of Engineering University of Glasgow GlasgowG12 8LT United Kingdom Vienna Center of Quantum Science and Technology Faculty of Physics University of Vienna Boltzmanngasse 5 ViennaA-1090 Austria NASA Goddard Space Flight Center GreenbeltMD20771 United States Center for Quantum Information and Quantum Con

Models of quantum systems on curved space-times lack sufficient experimental verification. Some speculative theories suggest that quantum properties, such as entanglement, may exhibit entirely different behavior to purely classical systems. By measuring this effect or lack thereof, we can test the hypotheses behind several such models. For instance, as predicted by Ralph and coworkers [T C Ralph, G J Milburn, and T Downes, Phys. Rev. A, 79(2):22121, 2009;T C Ralph and J Pienaar, New Journal of Physics, 16(8):85008, 2014], a bipartite entangled system could decohere if each particle traversed through a different gravitational field gradient. We propose to study this effect in a ground to space uplink scenario. We extend the above theoretical predictions of Ralph and coworkers and discuss the scientific consequences of detecting/failing to detect the predicted gravitational decoherence. We present a detailed mission design of the European Space Agency's (ESA) Space QUEST (Space - Quantum Entanglement Space Test) mission, and study the feasibility of the mission scheme. Copyright © 2017, The Authors. All rights reserved.

关键词： Quantum entanglement

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A probabilistic approach to emission-line galaxy classification

arXiv

引用

arXiv 2017年

作者： De Souza, R.S. Dantas, M.L.L. Costa-Duarte, M.V. Feigelson, E.D. Killedar, M. Lablanche, P.-Y. Vilalta, R. Krone-Martins, A. Beck, R. Gieseke, F. Department of Physics & Astronomy University of North Carolina at Chapel Hill Chapel HillNC27599-3255 United States MTA Eötvös University EIRSA Lendulet Astrophysics Research Group Budapest1117 Hungary Instituto de Astronomia Geofísica e Ciências Atmosféricas Universidade de São Paulo R. do Matão 1226 São Paulo05508-090 Brazil Leiden Observatory Leiden University Niels Bohrweg 2 Leiden2333 CA Netherlands Dept. of Astronomy & Astrostatistics Center for Astrostatistics Penn State University 525 Davey Laboratory University ParkPA16802 United States Burnet Institute 85 Commercial Road MelbourneVIC3004 Australia Stellenbosch University Matieland7602 South Africa African Institute for Mathematical Sciences 6 Melrose Road Muizenberg Cape Town7945 South Africa Department of Computer Science University of Houston 4800 Calhoun Rd HoustonTX77204-3010 United States CENTRA/SIM Faculdade de Ciências Universidade de Lisboa Ed. C8 Campo Grande Lisboa1749-016 Portugal Department of Physics of Complex Systems Eötvös Loránd University Budapest1117 Hungary Radboud University Nijmegen Toernooiveld212 Netherlands

We invoke a Gaussian mixture model (GMM) to jointly analyse two traditional emission-line classification schemes of galaxy ionization sources: the Baldwin-Phillips-Terlevich (BPT) and WHαvs. [NII]/Hα (WHAN) diagrams, using spectroscopic data from the Sloan Digital Sky Survey Data Release 7 and SEAGal/STARLIGHT datasets. We apply a GMM to empirically define classes of galaxies in a three-dimensional space spanned by the log [OIII]/Hβ, log [NII]/Hα, and log EW(Hα) optical parameters. The best-fit GMM based on several statistical criteria suggests a solution around four Gaussian components (GCs), which are capable to explain up to 97 per cent of the data variance. Using elements of information theory, we compare each GC to their respective astronomical counterpart. GC1 and GC4 are associated with star-forming galaxies, suggesting the need to define a new starburst subgroup. GC2 is associated with BPT's Active Galaxy Nuclei (AGN) class and WHAN's weak AGN class. GC3 is associated with BPT's composite class and WHAN's strong AGN class. Conversely, there is no statistical evidence - based on four GCs - for the existence of a Seyfert/LINER dichotomy in our sample. Notwithstanding, the inclusion of an additional GC5 unravels it. The GC5 appears associated to the LINER and Passive galaxies on the BPT and WHAN diagrams respectively. This indicates that if the Seyfert/LINER dichotomy is there, it does not account significantly to the global data variance and may be overlooked by standard metrics of goodness of fit. Subtleties aside, we demonstrate the potential of our methodology to recover/unravel different objects inside the wilderness of astronomical datasets, without lacking the ability to convey physically interpretable results. The probabilistic classifications from the GMM analysis are publicly available within the COINtoolbox https://***/GMM_Catalogue/. Copyright © 2017, The Authors. All rights reserved.

关键词： Galaxies

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Models of reduced-noise, probabilistic linear amplifiers

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Physical Review A 2016年第5期93卷 052310-052310页

作者： Joshua Combes Nathan Walk A. P. Lund T. C. Ralph Carlton M. Caves Institute for Quantum Computing Department of Applied Mathematics University of Waterloo Waterloo Ontario Canada Perimeter Institute for Theoretical Physics 31 Caroline St. N Waterloo Ontario Canada N2L 2Y5 Centre for Engineered Quantum Systems School of Mathematics and Physics University of Queensland Brisbane Queensland 4072 Australia Centre for Quantum Dynamics Griffith University Nathan Queensland 4111 Australia Centre for Quantum Computation and Communication Technology School of Mathematics and Physics University of Queensland Brisbane Queensland 4072 Australia Department of Computer Science University of Oxford Wolfson Building Parks Road Oxford OX1 3QD United Kingdom Center for Quantum Information and Control University of New Mexico Albuquerque New Mexico 87131-0001 USA

We construct an amplifier that interpolates between a nondeterministic, immaculate linear amplifier and a deterministic, ideal linear amplifier and beyond to nonideal linear amplifiers. The construction involves cascading an immaculate linear amplifier that has amplitude gain g1 with a (possibly) nonideal linear amplifier that has gain g2. With respect to normally ordered moments, the device has output noise μ2(G2−1) where G=g1g2 is the overall amplitude gain and μ2 is a noise parameter. When μ2≥1, our devices realize ideal (μ2=1) and nonideal (μ2>1) linear amplifiers. When 0≤μ2<1, these devices work effectively only over a restricted region of phase space and with some subunity success probability p✓. We investigate the performance of our μ2 amplifiers in terms of a gain-corrected probability-fidelity product and the ratio of input to output signal-to-noise ratios corrected for success probability.

关键词： Optical parametric oscillators & amplifiers Quantum fluctuations & noise Quantum information architectures & platforms

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Challenging local realism with human choices

arXiv

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arXiv 2018年

作者： Abellán, C. Acín, A. Alarcón, A. Alibart, O. Andersen, C.K. Andreoli, F. Beckert, A. Beduini, F.A. Bendersky, A. Bentivegna, M. Bierhorst, P. Burchardt, D. Cabello, A. Cariñe, J. Carrasco, S. Carvacho, G. Cavalcanti, D. Chaves, R. Cortés-Vega, J. Cuevas, A. Delgado, A. de Riedmatten, H. Eichler, C. Farrera, P. Fuenzalida, J. García-Matos, M. Garthoff, R. Gasparinetti, S. Gerrits, T. GhafariJouneghani, F. Glancy, S. Gómez, E.S. González, P. Guan, J.-Y. Handsteiner, J. Heinsoo, J. Heinze, G. Hirschmann, A. Jiménez, O. Kaiser, F. Knill, E. Knoll, L.T. Krinner, S. Kurpiers, P. Larotonda, M.A. Larsson, J.-Å. Lenhard, A. Li, H. Li, M.-H. Lima, G. Liu, B. Liu, Y. López Grande, I.H. Lunghi, T. Ma, X. Magaña-Loaiza, O.S. Magnard, P. Magnoni, A. Martí-Prieto, M. Martínez, D. Mataloni, P. Mattar, A. Mazzera, M. Mirin, R.P. Mitchell, M.W. Nam, S. Oppliger, M. Pan, J.-W. Patel, R.B. Pryde, G.J. Rauch, D. Redeker, K. Rieländer, D. Ringbauer, M. Roberson, T. Rosenfeld, W. Salathé, Y. Santodonato, L. Sauder, G. Scheidl, T. Schmiegelow, C.T. Sciarrino, F. Seri, A. Shalm, L.K. Shi, S.-C. Slussarenko, S. Stevens, M.J. Tanzilli, S. Toledo, F. Tura, J. Ursin, R. Vergyris, P. Verma, V.B. Walter, T. Wallraff, A. Wang, Z. Weinfurter, H. Weston, M.M. White, A.G. Wu, C. Xavier, G.B. You, L. Yuan, X. Zeilinger, A. Zhang, Q. Zhang, W. Zhong, J. 08860 Spain ICREA Institució Catalana de Recerca i Estudis Avançats Barcelona08010 Spain Center for Optics and Photonics MSI-Nucleus for Advanced Optics Universidad de Concepción Casilla 4016 Concepción Chile Departamento de Ingeniería Eléctrica Universidad de Concepción 160-C Concepción Chile Parc Valrose Nice Cedex 206108 France Quantum Device Lab Department of Physics ETH Zurich ZurichCH-8093 Switzerland Dipartimento di Fisica Sapienza Università di Roma RomaI-00185 Italy Departamento de Computación FCEyN UBA and ICC CONICET Ciudad Universitaria Pabellón 1 Buenos Aires1428 Argentina National Institute of Standards and Technology 325 Broadway BoulderCO80305 United States Ludwig-Maximilians-Universität München80799 Germany Departamento de Física Aplicada II Universidad de Sevilla Sevilla41012 Spain Departamento de Física Universidad de Concepción 160-C Concepción Chile International Institute of Physics Federal University of Rio Grande do Norte Natal59070-405 Brazil Austrian Academy of Sciences Boltzmanngasse 3 Vienna1090 Austria Centre for Quantum Computation and Communication Technology Griffith University BrisbaneQLD4111 Australia Centre for Quantum Dynamics Griffith University BrisbaneQLD4111 Australia Shanghai Branch National Laboratory for Physical Sciences at Microscale Dept. of Modern Physics University of Science and Technology of China Shanghai230026 China DEILAP CITEDEF & CONICET J.B. de La Salle 4397 1603 Villa Martelli Buenos Aires Argentina Departamento de Física FCEyN UBA and IFIBA Ciudad Universitaria Conicet Pabellón 1 Buenos Aires1428 Argentina Department of Electrical Engineering Linköping University Linköping581 83 Sweden State Key Laboratory of Functional Materials for Informatics Shanghai Institute of Microsystem and Information Technology Chinese Academy of Sciences Shanghai200050 China CAS Center for Excellence in Superconducting Electronics Shanghai200050 China School of Computer NUDT

A Bell test is a randomized trial that compares experimental observations against the philosophical worldview of local realism1, in which the properties of the physical world are independent of our observation of them and no signal travels faster than light. A Bell test requires spatially distributed entanglement, fast and high-efficiency detection and unpredictable measurement settings2,3. Although technology can satisfy the first two of these requirements4–7, the use of physical devices to choose settings in a Bell test involves making assumptions about the physics that one aims to test. Bell himself noted this weakness in using physical setting choices and argued that human ‘free will’ could be used rigorously to ensure unpredictability in Bell tests8. Here we report a set of local-realism tests using human choices, which avoids assumptions about predictability in physics. We recruited about 100,000 human participants to play an online video game that incentivizes fast, sustained input of unpredictable selections and illustrates Bell-test methodology9. The participants generated 97,347,490 binary choices, which were directed via a scalable web platform to 12 laboratories on five continents, where 13 experiments tested local realism using photons5,6, single atoms7, atomic ensembles10, and superconducting devices11. Over a 12-hour period on 30 November 2016, participants worldwide provided a sustained data flow of over 1,000 bits per second to the experiments, which used different human-generated data to choose each measurement setting. The observed correlations strongly contradict local realism and other realistic positions in bipartite and tripartite12 scenarios. Project outcomes include closing the ‘freedom-of-choice loophole’ (the possibility that the setting choices are influenced by ‘hidden variables’ to correlate with the particle properties13), the utilization of video-game methods14 for rapid collection of human generated randomness, and the use of network

关键词： Testing

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Forecasting model for bidding behavior of advertisers based on HMM

Forecasting model for bidding behavior of advertisers based ...

引用

International Joint Conference on Neural Networks (IJCNN)

作者： Lili Long Hongbin Dong Yue Pan Li Huangfu Naikang Gou Xingmei Wang Department of Computer Science and Technology Harbin Engineering University Harbin China Systems Engineering Research Institute line 2: name of organization acronyms acceptable Beijing Chin

ISBN: (纸本)9781479919611

In order to precisely study the advertisers' bidding behavior, in this paper, we proposed a HMM(Hidden Markov Model) forecasting model using the historical auction data of advertisers, and predicted the advertisers' bidding sequences in the future with this model. In the process of establishing HMM model for advertisers' bidding behavior, we define the bidding as the hidden variable, and define the position that advertiser obtained as the observable variable in this model. In order to verify the effectiveness of this approach, we compared this method with existing Bayesian forecasting model, and found that HMM model predicted advertisers' bid closer to the actual auction; In addition, we used this method in the TAC/AA(Trading Agent Competition/Ad Auctions) game platform, and finally achieved good results. Therefore, HMM bidding behavior model can well simulate advertisers' bidding sequence, and provide a very good forecasting method for advertisers' bidding, and also help search engines to develop appropriate auction mechanism by predicting advertisers' bidding sequences.

关键词： Hidden Markov models Predictive models Markov processes Standards

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