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International Conference on security, Pattern Analysis, and Cybernetics (SPAC)

作者： Min Jiang Xiaozhou Zhou Shijie Yao Zhaohui Gan Hubei Province Key Laboratory of Intelligent Information Processing and Real-time Industrial System College of Computer Science and Technology Wuhan University of Science and Technology Wuhan P. R. China College of Information Science and Engineering Wuhan University of Science and Technology Wuhan P. R. China

Extracting non-rigid object from images can be used in object recognition, medical image analysis, video monitoring, etc. In order to improve the efficiency and accuracy of visual object extraction, we design a candidate shape generator based on a mixture strategy, called mixture generator, it combines the image data driven method with model parameter driven method, and tends to generate valid shape in area which has a high shape prior density value by exploiting the GPDM model, so the efficiency of search is greatly improved. To prove the accuracy of our mixture generator, we have done experiments under the framework of global optimization algorithm (simulated annealing) on the FGNET face database. Experiments show that, compared with traditional ASM algorithm, our method is not only insensitive to initialization conditions, but also can put up with clutters and realize a more robust object extraction.

关键词： Shape Generators Face Active shape model Data models Simulated annealing

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Measurement of the Inelastic Proton-Proton Cross Section at s=13 TeV with the ATLAS Detector at the LHC

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Physical Review Letters 2016年第18期117卷 182002-182002页

作者： M. Aaboud G. Aad B. Abbott J. Abdallah O. Abdinov B. Abeloos R. Aben O. S. AbouZeid N. L. Abraham H. Abramowicz H. Abreu R. Abreu Y. Abulaiti B. S. Acharya L. Adamczyk D. L. Adams J. Adelman S. Adomeit T. Adye A. A. Affolder T. Agatonovic-Jovin J. Agricola J. A. Aguilar-Saavedra S. P. Ahlen F. Ahmadov G. Aielli H. Akerstedt T. P. A. Åkesson A. V. Akimov G. L. Alberghi J. Albert S. Albrand M. J. Alconada Verzini 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 M. Alstaty B. Alvarez Gonzalez D. Álvarez Piqueras M. G. Alviggi B. T. Amadio K. Amako Y. Amaral Coutinho C. Amelung D. Amidei S. P. Amor Dos Santos A. Amorim S. Amoroso G. Amundsen C. Anastopoulos L. S. Ancu N. Andari T. Andeen C. F. Anders G. Anders J. K. Anders K. J. Anderson A. Andreazza V. Andrei S. Angelidakis I. Angelozzi P. Anger A. Angerami F. Anghinolfi A. V. Anisenkov N. Anjos A. Annovi C. Antel M. Antonelli A. Antonov F. Anulli M. Aoki L. Aperio Bella G. Arabidze Y. Arai J. P. Araque A. T. H. Arce 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 B. Åsman L. Asquith K. Assamagan R. Astalos M. Atkinson N. B. Atlay K. Augsten G. Avolio B. Axen M. K. Ayoub G. Azuelos M. A. Baak A. E. Baas M. J. Baca H. Bachacou K. Bachas M. Backes M. Backhaus P. Bagiacchi P. Bagnaia Y. Bai J. T. Baines O. K. Baker E. M. Baldin P. Balek T. Balestri F. Balli W. K. Balunas E. Banas Sw. Banerjee A. A. E. Bannoura L. Barak E. L. Barberio D. Barberis M. Barbero T. Barillari M-S Barisits T. Barklow N. Barlow S. L. Barnes B. M. Barnett R. M. Barnett Z. Barnovska 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. 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 Oklahoma USA University of Iowa Iowa City Iowa USA Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan LAL Univ. Paris-Sud CNRS/IN2P3 Université Paris-Saclay Orsay France Nikhef National Institute for Subatomic Physics and University of Amsterdam Amsterdam Netherlands Santa Cruz Institute for Particle Physics University of California Santa Cruz Santa Cruz California USA Department of Physics and Astronomy University of Sussex Brighton United Kingdom 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 Oregon USA Department of Physics Stockholm University Sweden The Oskar Klein Centre Stockholm Sweden INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy ICTP Trieste Italy AGH University of Science and Technology Faculty of Physics and Applied Computer Science Krakow Poland Physics Department Brookhaven National Laboratory Upton New York USA Department of Physics Northern Illinois University DeKalb Illinois USA Fakultät für Physik Ludwig-Maximilians-Universität München München Germany Particle Physics Department Rutherford Appleton Laboratory Didcot United Kingdom Oliver Lodge Laboratory University of Liverpool Liverpool United Kingdom Institute of Physics University of Belgrade Belgrade Serbia II Physikalisches Institut Georg-August-Universität Göttingen Germany Laboratório de Instrumentação e Física Experimental de Partículas—LIP Lisboa Portugal Departamento de Fisica Teorica y del Cosmos and CAFPE Universidad de Granada Granada Spain Department of Physics Boston University Boston Massachusetts USA Joint Institute for Nu

This Letter presents a measurement of the inelastic proton-proton cross section using 60 μb−1 of pp collisions at a center-of-mass energy s of 13 TeV with the ATLAS detector at the LHC. Inelastic interactions are selected using rings of plastic scintillators in the forward region (2.07<|η|<3.86) of the detector. A cross section of 68.1±1.4 mb is measured in the fiducial region ξ=MX2/s>10−6, where MX is the larger invariant mass of the two hadronic systems separated by the largest rapidity gap in the event. In this ξ range the scintillators are highly efficient. For diffractive events this corresponds to cases where at least one proton dissociates to a system with MX>13 GeV. The measured cross section is compared with a range of theoretical predictions. When extrapolated to the full phase space, a cross section of 78.1±2.9 mb is measured, consistent with the inelastic cross section increasing with center-of-mass energy.

关键词： Particle interactions Particle production Quark & gluon jets Hadron colliders

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On Mobilizing Processes of Cyber Movement Organizations

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IFAC Proceedings Volumes 2014年第3期47卷 9853-9857页

作者： Tao Wang Zhong Liu Kainan Cui Jie Zhang Fei-Yue Wang C.L. Philip Chen College of Information System and Management National University of Defense Technology Changsha 410073 China The State Key Laboratory of Management and Control for Complex Systems Chinese Academy of Sciences Beijing 100190 China The Research Center for Computational Experiments and Parallel Systems Technology National University of Defense Technology Changsha 410073 China Department of Computer and Information Science Science and Technology University of Macau Macau China

—Cyber Movement Organization (CMO) is a special kind of social movement organization on the Web. In this paper, we propose a model to simulate the mobilizing process of CMO, which consists of the individual unit, organization unit, and the mobilizing mechanisms. The mobilizing mechanisms has three sub-mechanisms: the participation mechanism, the choice mechanism, and the inviting mechanism. A dataset of more than two million “human flesh search” related microblogs is used to validate the model. Empirical results show that our model can capture the key features of the real-world mobilizing process.

关键词： Cyber Movement Organizations (CMO) Social Network Analysis Human Flesh Search (HFS) Simulation Social Movement Organizations Resource Mobilization

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A method of computing the hot topics' popularity on the internet combined with the features of the microblogs

A method of computing the hot topics' popularity on the inte...

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5th International Symposium on IT in Medicine and Education, ITME 2013

作者： Wei, Yongqing Zhang, Zhen Fei, Shaodong Du, Wentao Basic Education Department Shandong Police College Jinan 250014 China School of Information Science and Engineering Shandong Normal University Jinan 250014 China Shandong Provincial Key Laboratory for Novel Distributed Computer Software Technology Jinan 250014 China Shandong University of Finance and Economics Jinan 250014 China

ISBN: (纸本)9789400776173

The article puts forward a new formula of computing the popularity of the topics, which is based on the stream of the news on the internet. What's more, the features of the microblogs should be also considered and combined. The hot topics are sorted by the values of them, so the information of the topics is convenient and accurate to be acquired for the public. It is beneficial to the government to supervise the public opinion as well. The experiments are based on both news and the microblogs. Our system could figure out the value of the hot topics by the popularity among users, after that the topics will be sorted automatically. The results of the experiments have shown that the system worked well. © Springer science+Business Media Dordrecht 2014.

关键词： Social aspects

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Construction of even-variable rotation symmetric Boolean functions with maximum algebraic immunity

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science China(information sciences) 2013年第3期56卷 60-68页

作者： FU ShaoJing LI Chao MATSUURA Kanta QU LongJiang Department of Mathematics and System Science National University of Defense Technology Institute of Industrial Science University of TokyoTokyo 153-8505Japan State Key Laboratory of Information Security Graduate University of Chinese Academy of Sciences

Rotation symmetric Boolean functions(RSBFs) have been used as components of different *** this paper,we investigate n-variable(n even and n≥12) RSBFs to achieve maximum algebraic immunity(AI),and provide a construction of RSBFs with maximum AI and *** functions have higher nonlinearity than the previously known nonlinearity of RSBFs with maximum *** also prove that our construction provides high algebraic degree in some case.

关键词： Boolean function rotation symmetry algebraic immunity nonlinearity

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An octree-based proxy for collision detection in large-scale particle systems

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science China(information sciences) 2013年第1期56卷 55-64页

作者： FAN WenShan WANG Bin PAUL Jean-Claude SUN JiaGuang School of Software Tsinghua University Beijing Aerospace Control Center Department of Computer Science and Technology Tsinghua University Key Laboratory for Information System Security Ministry of Education of China Tsinghua National Laboratory for Information Science and Technology Institut National de Recherche en Informatique et en Automatique(INRIA)

Particle systems are important building block for simulating vivid and detail-rich effects in virtual *** of the most difficult aspects of particle systems has been detecting collisions between particles and mesh *** to the huge computation,a variety of proxy-based approaches have been proposed recently to perform visually correct ***,all either limit the complexity of the scene,fail to guarantee non-penetration,or are too slow for real-time use with many *** this paper,we propose a new octree-based proxy for colliding particles with meshes on the *** approach works by subdividing the scene mesh with an octree in which each leaf node associates with a representative normal corresponding to the normals of the triangles that intersect the *** present a view-visible method,which is suitable for both closed and non-closed models,to label the empty leaf nodes adjacent to nonempty ones with appropriate back/front property,allowing particles to collide with both sides of the scene *** show how collisions can be performed robustly on this proxy structure in place of the original mesh,and describe an extension that allows for fast traversal of the octree structure on the *** experiments show that the proposed method is fast enough for real-time performance with millions of particles interacting with complex scenes.

关键词： particle systems collision detection octree-based proxy GPU

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Twin bridge transfer learning for sparse collaborative filtering

Twin bridge transfer learning for sparse collaborative filte...

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17th Pacific-Asia Conference on Knowledge Discovery and Data Mining, PAKDD 2013

作者： Shi, Jiangfeng Long, Mingsheng Liu, Qiang Ding, Guiguang Wang, Jianmin MOE Key Laboratory for Information System Security TNLIST School of Software China Department of Computer Science and Technology Tsinghua University Beijing China

ISBN: (纸本)9783642374524

Collaborative filtering (CF) is widely applied in recommender systems. However, the sparsity issue is still a crucial bottleneck for most existing CF methods. Although target data are extremely sparse for a newly-built CF system, some dense auxiliary data may already exist in othermatured related domains. In this paper,we propose a novel approach, Twin Bridge Transfer Learning (TBT), to address the sparse collaborative filtering problem. TBT reduces the sparsity in target data by transferring knowledge from dense auxiliary data through two paths: 1) the latent factors of users and items learned from two dense auxiliary domains, and 2) the similarity graphs of users and items constructed from the learned latent factors. These two paths act as a twin bridge to allow more knowledge transferred across domains to reduce the sparsity of target data. Experiments on two benchmark datasets demonstrate that our TBT approach significantly outperforms state-of-the-art CF methods. © Springer-Verlag 2013.

关键词： Collaborative filtering

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A test case generation technique for VMM fuzzing

A test case generation technique for VMM fuzzing

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International Conference on information and Communication technology, ICT-EurAsia 2013

作者： Sun, Xiaoxia Chen, Hua Zhao, Jinjing Huang, Minhuan Beijing Institute of System Engineering China National Key Laboratory of Science and Technology on Information System Security China

ISBN: (纸本)9783642368172

In this paper, we first give a short introduction to the security situation of virtualization technology, and then analyze the implementation challenges of the CPU virtualization component of a hybrid system virtual machine with support of running a guest machine of the IA-32 instruction set. Based on a formal definition of the CPU's execution state, we propose a fuzzing test case generation technique for both the operands and operators of instructions, which can be applied to fuzz testing the virtual machine monitor (VMM) of a hybrid system virtual machine. © 2013 Springer-Verlag.

关键词： Virtual machine

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A Reliable Supervision Model and Implementation for the Trading of Digital Works

A Reliable Supervision Model and Implementation for the Trad...

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International Conference on Computational Intelligence and security

作者： Guozhen Shi Ying Shen Fenghua Li Mang Su Department of Information Security Beijing Electronic Science and Technology Institute Beijing China National Key Laboratory of Integrated Services Network Xidian University Beijing China Institute of Information Engineering Chinese Academy of Sciences Beijing China

ISBN: (纸本)9781479974351

Aim at the digital works are facing with difficult problems in counting, providers can not accurately gain the real and integrated trade data, this paper presents a reliable supervision model, which includes three parts, a seller, a authorizer and a trusted third-part platform, introduces a robust upload data protocol and gives a system implementation. In this paper, the authorizer and seller will send encapsulated data to the trusted third-part platform for backup. In addition, we also give a method to deal with the abnormal data in the trading process when the network is disconnected, which can ensure that the trading data is not lost. This reliable supervision mechanism will not only facilitate to regulate trading, but also provide the basis proof to resolve disputes of trading count. Above all, it can make these invisible digital works be measured. Therefore, it can protect the legitimate rights of publishers and copyright owner in the trading process.

关键词： Radiation detectors Reliability Authorization Protocols Databases Data models

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A novel framework for industrial control system malicious code analysis

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2013 International Conference on Advances in Materials science and Manufacturing technology, AMSMT 2013

作者： Wang, Chun Lei Miao, Qing Fang, Lan Dai, Yi Qi Department of Computer Science and Technology Tsinghua University Beijing 100085 China Science and Technology on Information System Security Laboratory Beijing 100101 China

ISBN: (纸本)9783037857984

Industrial Control system (ICS) performs the tasks of supervisory control and data acquisition of critical infrastructures. With the widely application of computer and network techniques, ICS suffers serious security threats, and malicious codes are one of the most serious security problems. However, there is absent of analysis methods specific for ICS malicious code behaviors in current times. In this paper, a framework for ICS malicious code analysis is presented. Firstly, the ICS attack graph model is established based upon the hierarchical structure of industrial control system and the suffered security threats, which formalizes the attack process of ICS malicious code. Secondly, the runtime information of ICS malicious code is detected and collected for analyzing and assessing the attack behaviors and the resulted impacts. Finally, the ICS simulation environment for malicious code analysis is constructed based upon the framework and the experimental analysis of ICS malicious code is performed which preliminary validates the effectiveness of the proposed framework. © (2013) Trans Tech Publications, Switzerland.

关键词： Codes (symbols)

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