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Study of [Formula: see text] and [Formula: see text] production in [Formula: see text] collisions at [Formula: see text] and search for anomalous quartic gauge couplings with the ATLAS experiment

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The European physical journal. C, Particles and fields 2017年第9期77卷 646页

作者： M Aaboud G Aad B Abbott O Abdinov B Abeloos S H Abidi O S AbouZeid N L Abraham H Abramowicz H Abreu R Abreu Y Abulaiti B S Acharya S Adachi L Adamczyk J Adelman M Adersberger T Adye A A Affolder T Agatonovic-Jovin C Agheorghiesei J A Aguilar-Saavedra S P Ahlen F Ahmadov G Aielli S Akatsuka H Akerstedt T P A Åkesson E Akilli A V Akimov G L Alberghi J Albert P Albicocco M J Alconada Verzini S C Alderweireldt M Aleksa I N Aleksandrov C Alexa G Alexander T Alexopoulos M Alhroob B Ali M Aliev G Alimonti J Alison S P Alkire B M M Allbrooke B W Allen P P Allport A Aloisio A Alonso F Alonso C Alpigiani A A Alshehri M I Alstaty B Alvarez Gonzalez D Álvarez Piqueras M G Alviggi B T Amadio Y Amaral Coutinho C Amelung D Amidei S P Amor Dos Santos S Amoroso G Amundsen C Anastopoulos L S Ancu N Andari T Andeen C F Anders J K Anders K J Anderson A Andreazza V Andrei S Angelidakis I Angelozzi A Angerami A V Anisenkov N Anjos A Annovi C Antel M Antonelli A Antonov D J Antrim F Anulli M Aoki L Aperio Bella G Arabidze Y Arai J P Araque V Araujo Ferraz A T H Arce R E Ardell F A Arduh J-F Arguin S Argyropoulos M Arik A J Armbruster L J Armitage O Arnaez H Arnold M Arratia O Arslan A Artamonov G Artoni S Artz S Asai N Asbah A Ashkenazi L Asquith K Assamagan R Astalos M Atkinson N B Atlay K Augsten G Avolio B Axen M K Ayoub G Azuelos A E Baas M J Baca H Bachacou K Bachas M Backes M Backhaus P Bagnaia M Bahmani H Bahrasemani J T Baines M Bajic O K Baker E M Baldin P Balek F Balli W K Balunas E Banas A Bandyopadhyay Sw Banerjee A A E Bannoura L Barak E L Barberio D Barberis M Barbero T Barillari M-S Barisits J T Barkeloo T Barklow N Barlow S L Barnes B M Barnett R M Barnett Z Barnovska-Blenessy A Baroncelli G Barone A J Barr L Barranco Navarro F Barreiro J Barreiro Guimarães da Costa R Bartoldus A E Barton P Bartos A Basalaev A Bassalat R L Bates S J Batista J R Batley M Battaglia M Bauce F Bauer H S Bawa J B Beacham M D Beattie T Beau P H Beauchemin P Bechtle H P Beck H C Beck K Becker M Becker M Beckingham C Becot A J Beddall A Beddall Faculté des Sciences Université Mohamed Premier and LPTPM Oujda Morocco. CPPM Aix-Marseille Université and CNRS/IN2P3 Marseille France. Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman OK USA. Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan. LAL Univ. Paris-Sud CNRS/IN2P3 Université Paris-Saclay Orsay France. Department of Physics University of Toronto Toronto ON Canada. Santa Cruz Institute for Particle Physics University of California Santa Cruz Santa Cruz CA USA. Department of Physics and Astronomy University of Sussex Brighton UK. Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel. Department of Physics Technion: Israel Institute of Technology Haifa Israel. Center for High Energy Physics University of Oregon Eugene OR USA. Department of Physics Stockholm University Stockholm Sweden. The Oskar Klein Centre Stockholm Sweden. INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy. ICTP Trieste Italy. International Center for Elementary Particle Physics and Department of Physics The University of Tokyo Tokyo Japan. Faculty of Physics and Applied Computer Science AGH University of Science and Technology Kraków Poland. Department of Physics Northern Illinois University DeKalb IL USA. Fakultät für Physik Ludwig-Maximilians-Universität München Munich Germany. Particle Physics Department Rutherford Appleton Laboratory Didcot UK. Institute of Physics University of Belgrade Belgrade Serbia. Department of Physics Alexandru Ioan Cuza University of Iasi Iasi Romania. Laboratório de Instrumentação e Física Experimental de Partículas-LIP Lisbon Portugal. Departamento de Fisica Teorica y del Cosmos and CAFPE Universidad de Granada Granada Spain. Department of Physics Boston University Boston MA USA. Joint Institute for Nuclear Research JINR Dubna Dubna Russia. INFN Sezione di Roma Tor Vergata Rome Italy. Dipartimento di Fisica Università di Roma

This paper presents a study of and triboson production using events from proton-proton collisions at a centre-of-mass energy of recorded with the ATLAS detector at the LHC and corresponding to an integrated luminosity of 20.2 fb . The production cross-section is determined using a final state containing an electron, a muon, a photon, and neutrinos ( ). Upper limits on the production cross-section of the final state and the and final states containing an electron or a muon, two jets, a photon, and a neutrino ( or ) are also derived. The results are compared to the cross-sections predicted by the Standard Model at next-to-leading order in the strong-coupling constant. In addition, upper limits on the production cross-sections are derived in a fiducial region optimised for a search for new physics beyond the Standard Model. The results are interpreted in the context of anomalous quartic gauge couplings using an effective field theory. Confidence intervals at 95% confidence level are derived for the 14 coupling coefficients to which and production are sensitive.

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Almost Optimal Channel Access in Multi-Hop Networks with Unknown Channel Variables

Almost Optimal Channel Access in Multi-Hop Networks with Unk...

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International Conference on Distributed computing Systems

作者： Yaqin Zhou Qiuyuan Huang Fan Li Xiang-Yang Li Min Liu Zhongcheng Li Zhiyuan Yin Institute of Computing Technology Chinese Academy of Sciences Beijing China Department of Electrical and Computer Engineering University of Florida Gainesville FL USA School of Computer Science Beijing Institute of Technology School of Software and TNLIST Tsinghua University China

We consider the problem of online dynamic channel accessing in multi-hop cognitive radio networks. Previous works on online dynamic channel accessing mainly focus on single-hop networks that assume complete conflicts among all secondary users. In the multi-hop multi-channel network settings studied here, there is more general competition among different communication pairs. A simple application of models for single-hop case to multi-hop case with N nodes and M channels leads to exponential time/space complexity O (M N ), and poor theoretical guarantee on throughput performance. We thus novelly formulate the problem as a linearly combinatorial multi-armed bandits (MAB) problem that involves a maximum weighted independent set (MWIS) problem with unknown weights. To efficiently address the problem, we propose a distributed channel access algorithm that can achieve 1/ρ of the optimum averaged throughput where each node has communication complexity O (r 2 +D) and space complexity O (m) in the learning process, and time complexity O (D m ρr ) in strategy decision process for an arbitrary wireless network. Here ρ = 1 + ε is the approximation ratio to MWIS for a local r-hop network with m

关键词： Throughput Robustness Approximation methods Spread spectrum communication Complexity theory Approximation algorithms Interference

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Highlights from the 11th ISCB Student Council Symposium 2015. Dublin, Ireland. 10 July 2015

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BMC bioinformatics 2016年第3期17 Suppl 3卷 95页

作者： Katie Wilkins Mehedi Hassan Margherita Francescatto Jakob Jespersen R. Gonzalo Parra Bart Cuypers Dan DeBlasio Alexander Junge Anupama Jigisha Farzana Rahman Griet Laenen Sander Willems Lieven Thorrez Yves Moreau Nagarajan Raju Sonia Pankaj Chothani C. Ramakrishnan Masakazu Sekijima M. Michael Gromiha Paddy J Slator Nigel J Burroughs Przemysław Szałaj Zhonghui Tang Paul Michalski Oskar Luo Xingwang Li Yijun Ruan Dariusz Plewczynski Giulia Fiscon Emanuel Weitschek Massimo Ciccozzi Paola Bertolazzi Giovanni Felici Pieter Meysman Manu Vanaerschot Maya Berg Hideo Imamura Jean-Claude Dujardin Kris Laukens Westa Domanova James R. Krycer Rima Chaudhuri Pengyi Yang Fatemeh Vafaee Daniel J. Fazakerley Sean J. Humphrey David E. James Zdenka Kuncic Plant Pathology and Plant-Microbe Biology Section School of Integrative Plant Science Cornell University Ithaca USA Graduate Field of Computational Biology Cornell University Ithaca USA School of Computing & Mathematics University of South Wales Cardiff UK Department of Genome Biology for Neurodegenerative Diseases German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association ᅟ Germany Department of Surgery Massachusetts General Hospital The Broad Institute of MIT and Harvard Boston USA Department of Systems Biology Technical University of Denmark Kemitorvet Denmark Protein Physiology Lab Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Buenos Aires Argentina Molecular Parasitology Unit (MPU) Institute of Tropical Medicine Antwerp Belgium Advanced Database Research and Modeling (ADReM) research group University of Antwerp Antwerpen Belgium Department of Computer Science University of Arizona Tucson USA Department of Veterinary Clinical and Animal Sciences Center for non-coding RNA in Technology and Health University of Copenhagen Copenhagen Denmark University College Dublin Dublin Ireland Department of Electrical Engineering (ESAT) STADIUS Center for Dynamical Systems Signal Processing and Data Analytics KU Leuven Leuven Belgium Minds Medical IT Department Leuven Belgium Scientific Institute of Public Health (WIV-ISP) Platform of Biotechnology and Molecular Biology (PBB) Brussels Belgium Department of Development and Regeneration @ Kulak KU Leuven Kortrijk Belgium Department of Biotechnology Bhupat and Jyoti Metha School of Biosciences Indian Institute of Technology Madras Chennai India Philips Research North America Briarcliff Manor USA Global Scientific Information and Computing Center (GSIC) Tokyo Institute of Technology Tokyo Japan Systems Biology Centre University of Warwick Senate House Coventry UK Systems Biology Doctoral Training Centre University of Warwick Senate House Coventry UK Center for B

A1 Highlights from the eleventh ISCB Student Council Symposium 2015 Katie Wilkins, Mehedi Hassan, Margherita Francescatto, Jakob Jespersen, R. Gonzalo Parra, Bart Cuypers, Dan DeBlasio, Alexander Junge, Anupama Jigisha, Farzana Rahman O1 Prioritizing a drug’s targets using both gene expression and structural similarity Griet Laenen, Sander Willems, Lieven Thorrez, Yves Moreau O2 Organism specific protein-RNA recognition: A computational analysis of protein-RNA complex structures from different organisms Nagarajan Raju, Sonia Pankaj Chothani, C. Ramakrishnan, Masakazu Sekijima; M. Michael Gromiha O3 Detection of Heterogeneity in Single Particle Tracking Trajectories Paddy J Slator, Nigel J Burroughs O4 3D-NOME: 3D NucleOme Multiscale Engine for data-driven modeling of three-dimensional genome architecture Przemysław Szałaj, Zhonghui Tang, Paul Michalski, Oskar Luo, Xingwang Li, Yijun Ruan, Dariusz Plewczynski O5 A novel feature selection method to extract multiple adjacent solutions for viral genomic sequences classification Giulia Fiscon, Emanuel Weitschek, Massimo Ciccozzi, Paola Bertolazzi, Giovanni Felici O6 A Systems Biology Compendium for Leishmania donovani Bart Cuypers, Pieter Meysman, Manu Vanaerschot, Maya Berg, Hideo Imamura, Jean-Claude Dujardin, Kris Laukens O7 Unravelling signal coordination from large scale phosphorylation kinetic data Westa Domanova, James R. Krycer, Rima Chaudhuri, Pengyi Yang, Fatemeh Vafaee, Daniel J. Fazakerley, Sean J. Humphrey, David E. James, Zdenka Kuncic

关键词： Visceral Leishmaniasis Feature Selection Method Frequent Itemset Mining Leishmania Donovani Student Council

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Quantifying smartphone vulnerabilities

Quantifying smartphone vulnerabilities

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International Conference on Signal Processing and Integrated Networks (SPIN)

作者： Ankur Kataria Tricha Anjali Raghu Venkat Computer Science and Engineering Department The LNM Institute of Information Technology Jaipur Rajasthan India School of Computing and Electrical Engineering Indian Institute of Technology Mandi Himachal Pradesh India LoyalWays Inc. Mandi Himachal Pradesh India

Nowadays, smartphones are an integral part of our lives. They provide a wide variety of functionality through their applications (apps), whether it's the latest news, social connectivity, market updates or picture editing and many more similar things. People rely on their smartphones for all these small tasks. These applications often have sensitive data/information about the users. As a result, smartphones are hot target for the hackers these days. Due to this, the number of vulnerabilities in smartphones is on a rise too. As soon as a new version of a smartphone operating system is launched, hackers look to exploit that and new vulnerabilities are discovered. In this paper we analyze the various versions of Google's Android and Apple's iOS operating systems and the vulnerabilities present in them.

关键词： Operating systems Smart phones Mobile communication computer hacking Ice

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Performance Evaluation of Cognitive Radio Networks under Licensed and Unlicensed Spectrum Bands

Performance Evaluation of Cognitive Radio Networks under Lic...

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International Conference on Advanced Information Networking and Applications (AINA)

作者： Salah Zahed Irfan Awan Andrea Cullen M. Younas The Higher Institute of Comprehensive Professions Ghadames Libya School of Electrical Engineering and Computer Science University of Bradford Bradford UK Department of Computing and Communication Technologies Oxford Brookes University Oxford UK

One of the major challenges of Cognitive Radio (CRNs) is the spectrum handoff issue. Spectrum handoff happens when a Primary Users (PUs) appears in a spectrum band that is occupied by a Secondary User (SU). In such a case, SU should empty this spectrum band and perform a handoff procedure and search for an available free one. This process will be continued until the SU completes its data transmission. To avoid multiple spectrum handoffs, the spectrum handoff procedure should be performed in the unlicensed channels rather than the licensed channels. Thus, the number of handoffs can be reduced as no more spectrum handoffs will occur since all users have priority in this type of spectrum channel. This technique will help secondary users' QoS from degradation. This paper proposes a prioritized spectrum handoff decision scheme in a mixture spectrum environment of unlicensed and licensed channels, in order to reduce the handoff delay. The licensed channels in the proposed scheme have been modelled using a pre-emptive resume priority (PRP) M/M/C queue. In contrast, the unlicensed channels have been modelled using an M/M/C retrial priority queue. In order to examine the performance of the implemented model, the handoff and new SUs are considered with equal and different priorities. Experimental results show that the prioritized handoff scheme outperforms the other scheme in terms of average handoff delay under various traffic arrival rates as well as the number of licensed and unlicensed channels used.

关键词： Delays Sensors Cognitive radio Quality of service Mathematical model Orbits

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A Reference Architectural Pattern: Component-Based Scheduling System for Heterogeneous computing Environment

A Reference Architectural Pattern: Component-Based Schedulin...

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Annual Global Online Conference on Information and computer Technology (GOCICT)

作者： Absalom E. Ezugwu Marc E. Frincu Sahalu B. Junaidu Department of Computer Science Federal University Lafia Nasarawa Lafia Nigeria Department of Electrical Engineering University of Southern California Los Angeles USA Institute of Computing and ICT Ahmadu Bello University Zaria Zaria Nigeria

The paper presents a conceptual design pattern for a component-based scheduling framework for several classes of multi-component applications. In addition, we propose an object oriented reference architecture, which guides the design of a general purpose scheduling system inside a wide-area heterogeneous computing environment or meta-systems. The heterogeneity nature of today's application and computing environment, make this a challenging problem. However, the current off-the-shelf scheduling software can hardly cope with the rapid innovation in distributed computing applications frameworks, and therefore, the need for an adequate scheduling system with diversified features, and capability for robustness and optimal scheduling efficiency. The design goal is based on the assumption that effective scheduling of multi-component applications is possible, if only sufficient application and system resource cost information would be provided to the scheduler prior to scheduling processes.

关键词： Processor scheduling computer architecture Optimal scheduling Resource management Dynamic scheduling Servers

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Routing and channel assignment in wireless cooperative networks

Routing and channel assignment in wireless cooperative netwo...

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International Wireless Communications and Mobile computing Conference, IWCMC

作者： Kun Xie Hui Li Xin Wang Shiming He Jigang Wen Mohsen Guizani College of Computer Science and Electronics Engineering Hunan University Changsha China Department of Electrical and Computer Engineering State University of New York at Stony Brook USA Institute of Computing Technology Chinese Academy of Sciences Beijing China Qatar University Doha Qatar

In recent years, cooperative communication has attracted researchers' attention as it showed a good capability to increase network performance. On the other hand, a cooperative transmission may cause more interference. This can cause difficulty in achieving cooperative diversity gain in multi-flow and multi-hop networks. In this paper, we propose a novel interference aware-cooperative-routing metric which will lead to creating a new scheme for cooperative routing and channel assignment in multi-flow and multi-hop networks. Then, we show through preliminary simulation results, by investigating the impact of the node density and impact of the flow number, that the proposed scheme minimizes interference while achieving maximum cooperative diversity gain.

关键词： Wireless communication Cooperative systems Relays Receivers Interference Routing

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Magnetospheric effects on high-energy solar particles during the 2012 May 17th event measured with the PAMELA experiment 34

Magnetospheric effects on high-energy solar particles during...

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34th International Cosmic Ray Conference, ICRC 2015

作者： Martucci, M. Bazilevskaya, G.A. Boezio, M. Bravar, U. Bruno, A. Christian, E.R. De Nolfo, G.A. Lee, M. Mergè, M. Mocchiutti, E. Munini, R. Ricci, M. Ryan, J.M. Stochaj, S. Thakur, N. Adriani, O. Barbarino, G.C. Bellotti, R. Bogomolov, E.A. Bongi, M. Bonvicini, V. Bottai, S. Cafagna, F. Campana, D. Carlson, P. Casolino, M. Castellini, G. De Donato, C. De Santis, C. De Simone, N. Di Felice, V. Formato, V. Galper, A.M. Karelin, A.V. Koldashov, S.V. Koldobskiy, S. Krutkov, S.Y. Kvashnin, A.N. Leonov, A. Malakhov, V. Marcelli, L. Mayorov, A.G. Menn, W. Mikhailov, V.V. Monaco, A. Mori, N. Osteria, G. Palma, F. Panico, B. Papini, P. Pearce, M. Picozza, P. Ricciarini, S.B. Sarkar, R. Scotti, V. Simon, M. Sparvoli, R. Spillantini, P. Stozhkov, Y.I. Vacchi, A. Vannuccini, E. Vasilyev, G. Voronov, S.A. Yurkin, Y.T. Zampa, G. Zampa, N. Department of Physics University of Rome 'Tor Vergata' RomeI-00133 Italy INFN Laboratori Nazionali di Frascati Via Enrico Fermi 40 FrascatiI-00044 Italy Lebedev Physical Institute MoscowRU-119991 Russia INFN Sezione di Trieste TriesteI-34149 Italy Space Science Center University of New Hampshire DurhamNH United States University of Bari BariI-70126 Italy Heliophysics Division NASA Goddard Space Flight Center GreenbeltMD United States INFN Sezione di Rome 'Tor Vergata' RomeI-00133 Italy University of Trieste Department of Physics TriesteI-34147 Italy Electrical and Computer Engineering New Mexico State University Las CrucesNM United States University of Florence Department of Physics Sesto Fiorentino FlorenceI-50019 Italy INFN Sezione di Florence Sesto Fiorentino FlorenceI-50019 Italy University of Naples IJFederico Iì i Department of Physics NaplesI-80126 Italy INFN Sezione di Naples NaplesI-80126 Italy Moscow RU-119991 Russia INFN Sezione di Bari BariI-70126 Italy Ioffe Physical Technical Institute St.-PetersburgRU-194021 Russia National Research Nuclear University MEPhI MoscowRU-115409 Russia KTH Department of Physics Oskar Klein Centre for Cosmoparticle Physics StockholmSE-10691 Sweden RIKEN Advanced Science Institute Wako-shi Saitama Japan 1IFAC Sesto Fiorentino FlorenceI-50019 Italy Universitat Siegen Department of Physics SiegenD-57068 Germany Science Data Center FrascatiI-00044 Italy Viale A. Doria 6 CataniaI-95125 Italy INFN Sezione di Perugia PerugiaI-06123 Italy Indian Centre for Space Physics Garia Station Road Kolkata West Bengal700084 India

The great challenge in constraining scenarios for solar energetic particle (SEP) acceleration is due to the fact that the signatures of acceleration itself are heavily modified by transport within interplanetary space. During transport, SEPs are subject to pitch angle scattering by the turbulent magnetic field, adiabatic focusing, or reflecting magnetic structures. Ground Level Enhancements (GLEs) provide an ideal way to study acceleration with minimal transport. In this work, we present a unique high-energy SEP observation from PAMELA of the 2012 May 17 GLE and interpret the observed pitch angle distributions as a result of local scattering (1 AU) by the Earth's magnetosheath.

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Performance characterization of heterogeneous distributed commodity cluster resources

Performance characterization of heterogeneous distributed co...

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International Conference on Adaptive science & Technology (ICAST)

作者： Absalom E. Ezugwu Marc E. Frincu Sahalu B. Junaidu Department of Computer Science Federal University Lafia Lafia-Nasarawa Nigeria Department of Electrical Engineering University of Southern California Los Angeles USA Institute of Computing and ICT Ahmadu Bello University Zaria Zaria-Kaduna Nigeria

While distributed computing systems which generally involve the aggregation of geographically distributed heterogeneous resources can in principle be used as computing platform, in practice, the discovery and selection of quality resources that satisfy user's application requirements remain an issue that is difficult to address. In this paper, we represent the performance of a computational cluster as a regression model that can be used to fine-tune the selection of suitable cluster resources. A study on the performance of distributed systems with respect to particular variations in parameters is presented. Our objective is to use a measurement-based evaluation technique to characterize the specific performance contribution of the individual cluster resource configurations. In the process we identify the key primary parameters (or factors) that should be considered when selecting and allocating a computational node for user application execution.

关键词： Bandwidth Computational modeling Processor scheduling Resource management data mining Aggregates Throughput

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Detect the Rail Track Flaw by Estimating the Camera Shaking

Detect the Rail Track Flaw by Estimating the Camera Shaking

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IEEE International Conference on Intelligent Transportation Systems

作者： Liang Wang Xiaoyue Luo Berthold K. P. Horn Shengchun Wang Siwei Luo Beijing Key Lab of Traffic Data Analysis and Mining Beijing Jiaotong University Beijing China Department of Mathematics Linfield College OR USA Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology Boston MA USA

In this paper, we present a method of detecting the rail track bends and flaws. Different from the traditional machine-vision based methods which analyze the images of the rail surface, we estimate the shake of the camera - which is caused by the flaw or bend of the rail track - from the video used for railway environment surveillance. We provide both theoretical analysis - based on the theory of optical flow and passive navigation - and the corresponding fast algorithms, i.e. the brightness-pattern-matching code (BPMC) and shaking-type code (STC). Our method uses the surveillance video of the railway environment directly, thus, we do not need extra expensive instruments.

关键词： Rails Cameras Brightness Optical imaging Algorithm design and analysis Turning Navigation

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