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2013 International Conference on Advances in Information Technology(ICAIT 2013)

作者： Pulung Nurtantio Andono I Ketut Eddy Purnama Mochamad Hariadi Taichi Watanabe Kunio Kondo Informatics Engineering Dept. Faculty of Computer Science University of Dian Nuswantoro Electrical Engineering Dept. Faculty of Industrial Technology Sepuluh Nopember Institute of Technology School of Media Science Tokyo University of Technology

In this paper, we evaluate the effectiveness of Generalized Procrustes Analysis into an Iterative Closest Point(GPA-ICP) for 3D surface reconstruction of underwater coral reef imagesInstead of using original ICP we use GPA-ICP for final alignment to build 3D modelIn land 3D reconstruction, GPA-ICP is preferable for efficiency and robustnessThis is challenging task to implement GPA-ICP for 3D reconstruction of underwater imagesThis paper generates 3D point cloud of underwater coral reef images from dataset acquired by stereo camera systemThe performance of GPA-ICP is measured by computation time of registration process, visual appearance and Mean Square Error between the point and their closest neighbor compared to the original ICPThe result shows that GPA-ICP is more accurate and faster than the original ICP for 3D surface reconstruction of seafloor images.

关键词： 3D Reconstruction GPA ICP Image Registration Seafloor Images SIFT Stereo Vision

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Chaos PSO algorithm driven alternately by two different chaotic maps - An initial study

Chaos PSO algorithm driven alternately by two different chao...

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Congress on Evolutionary Computation

作者： Michal Pluhacek Roman Senkerik Ivan Zelinka Donald Davendra Faculty of Applied Informatics Tomas Bata University Zlin Zlin Czech Republic Faculty of Electrical Engineering and Computer Science Technical University of Ostrava Poruba Czech Republic

ISBN: (纸本)9781479904532

In this paper, a new approach for chaos driven PSO algorithm is proposed. Two different chaotic maps are alternately used as pseudorandom number generators and switched over during the run of chaos driven PSO algorithm. The motivation for this research came from the previous successful experiments with PSO algorithm driven by different chaotic maps. Promising results of this innovative approach are presented in the results section and briefly analyzed.

关键词： Chaos Generators Optimization Switches Standards History Algorithm design and analysis

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BigLS - The 1~(st) International Workshop on Big Data in Life Sciences

BigLS - The 1~(st) International Workshop on Big Data in Lif...

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IEEE International Conference on Computational Advances in Bio and Medical Sciences

作者： Ananth Kalyanaraman Jaroslaw Zola School of EECS Washington State University Pullman WA 99164 Department of Electrical and Computer Engineering Rutgers Discovery Informatics Institute Rutgers University Piscataway NJ 08854

With the ever-increasing volume, velocity and variety biological and biomedical data collections continue to pose new challenges and increasing demands on computing and data management. The inherent complexity of this... 详细信息

ISBN: (纸本)9781479907151

关键词： International Workshop Big Data Life Sciences

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Multi-layer Design of SWCNTs Composites for X-Band

Multi-layer Design of SWCNTs Composites for X-Band

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European Conference on Antennas and Propagation

作者： Apostolos I. Sotiropoulos Stavros Koulouridis Hristos T. Anastassiu Dept. of Electrical & Computer Engineering University of Patras Rio 26500 Greece Dept. of Informatics & Communications Technological and Educational Institute of Serres Serres 62124 Greece

ISBN: (纸本)9781467321877

The purpose of the present work is the implementation of a four layer structure composed of mixtures with single-walled carbon nanotubes at different weight percentages (1, 3, 15, 20%) for minimizing the Reflection Coefficient of incident waves. The presence of a supporting PEC layer is also considered. A combination of epoxy resin and polyurethane as composite matrix is employed. The structure is excited by a plane wave incident from various elevation angles through X-Band. Comparison with reference results shows satisfactory agreement. A formal optimization technique is adopted to minimize Reflection Coefficient with respect to the optimum thickness of each layer. As shown, minimum values of Reflection Coefficient found in literature for PEC substrates, can also be achieved without the use of PEC substrates and for thinner substrates. Hence, lighter structures for EMC applications can be obtained.

关键词： Reflection coefficient multilayer slab carbon nanotubes radar absorbing materials Reflection coefficient Superhigh frequency Radar absorbing materials Carbon Nanotubes Epoxy Resins layer design swine enteric calicivirus composite matrix minimum value

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Investigation on the Differential Evolution driven by selected six chaotic systems in the task of reactor geometry optimization

Investigation on the Differential Evolution driven by select...

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Congress on Evolutionary Computation

作者： Roman Senkerik Michal Pluhacek Zuzana Kominkova Oplatkova Donald Davendra Ivan Zelinka Faculty of Applied Informatics Tomas Bata University Zlin Zlin Czech Republic Faculty of Electrical Engineering and Computer Science Technical University of Ostrava Ostrava Czech Republic

ISBN: (纸本)9781479904532

In this paper, Differential Evolution (DE) is used in the task of optimization of batch reactor geometry. The novality of the approach is that the six selected discrete dissipative chaotic maps are used as the chaotic pseudo random number generator to drive the mutation and crossover process in the DE. The optimized results obtained are compared with original reactor geometry and process parameters adjustment. The statistical analysis of the results given by six versions of chaos driven DE is compared with canonical DE strategy.

关键词： Chaos Inductors Optimization Chemicals Generators Mathematical model Equations

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A multimodal e-learning environment for orthopedics: design and implementation challenges

A multimodal e-learning environment for orthopedics: design ...

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International Conference on System Theory, Control, and Computing (ICSTCC)

作者： V. Virvilis S. Perantonis K. Zagoris I. Pratikakis Institute of Informatics and Telecommunications National Center for Scientific Research ”Demokritos” Agia Paraskevi Athens Greece Department of Electrical and Computer Engineering Democritus University of Thrace Xanthi Greece

We present a Web-based multimedia e-learning platform used to train orthopedic doctors and medical engineers interested in human motion analysis. The platform has evolved from a previous e-learning environment used for e-learning related to breast pathology. We summarize the technological developments that allow for more flexibility and better user experience related to our previous work. We also report on the incorporation of best practices that lead to these desirable results. The architecture of the platform is described, along with its main modules, namely the LMS, the tool used for authoring the multimedia content and the training interactive multimedia environment. The e-learning environment, which is ubiquitously accessible via the web and platform independent, allows for the efficient coupling of medical and engineering theory with real clinical case studies and the multimedia content (images,videos, graphs) related to them.

关键词： Multimedia communication Electronic learning Biomedical imaging Medical services XML Streaming media

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Bit errors in the Kirchhoff-Law–Johnson-Noise secure key exchange

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International Journal of Modern Physics: Conference Series 2014年第33期ijmpcs卷

作者： Yessica Saez Laszlo B. Kish Robert Mingesz Zoltan Gingl Claes G. Granqvist Department of Electrical and Computer Engineering Texas A&M University College Station Texas 77843-2128 USA Department of Technical Informatics University of Szeged Árpád tér 2 Szeged H-6701 Hungary Department of Engineering Sciences The Ångström Laboratory Uppsala University P.O. Box 534 SE-75121 Uppsala Sweden

We classify and analyze bit errors in the voltage and current measurement modes of the Kirchhoff-law–Johnson-noise (KLJN) secure key distribution system. In both measurement modes, the error probability decays exponentially with increasing duration of the bit sharing period (BSP) at fixed bandwidth. We also present an error mitigation strategy based on the combination of voltage-based and current-based schemes. The combination method has superior fidelity, with drastically reduced error probability compared to the former schemes, and it also shows an exponential dependence on the duration of the BSP.

关键词： Information theoretic security secure key distribution via wire KLJN bit errors

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Short convertible undeniable signature from pairing

Journal of Software

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Journal of Software 2013年第12期8卷 2983-2990页

作者： Li, Fei Gao, Wei Wang, Yilei Wang, Xueli Department of Mathematics and Informatics Ludong University Yantai China Department of Computer Science and Engineering Shanghai Jiao Tong University Shanghai China School of Information and Electrical Engineering Ludong University Yantai China School of Mathematics South China Normal University Guangzhou China

Undeniable signatures, introduced by Chaum and van Antwerpen, require a verifier to interact with the signer to verify a signature, and hence allow the signer to control the verifiability of his signatures. Convertible undeniable signatures allow the signer to convert undeniable signatures into ordinary signatures. In this paper we propose some extended variants of the famous Diffie- Hellman assumption on bilinear group system, then design a new convertible undeniable signature scheme and provide proofs for all relevant security properties based on the new assumption in the random oracle model. The advantages of our scheme are the short length of the signatures, the low computational cost of the signature, the receipt generation and the provable security. © 2013 Academy Publisher.

关键词： Public key cryptography

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Distributed Multi-Robot Coverage using Micro Aerial Vehicles

Distributed Multi-Robot Coverage using Micro Aerial Vehicles

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Mediterranean Conference on Control & Automation

作者： A. Renzaglia L. Doitsidis S. A. Chatzichristofis A. Martinelli E. B. Kosmatopoulos Department of Computer Science & Engineering University of Minnesota Dept. of Electronics Technological Educational Institute of Crete Informatics & Telematics Institute Center for Research and Technology-Hellas (ITI-CERTH) INRIA Rhone-Alpes Dept. of Electrical and Computer Engineering Democritus University of Thrace

ISBN: (纸本)9781479909964

In this paper we present a solution to the problem of positioning a team of Micro Aerial Vehicles for a surveillance task in an environment of arbitrary and unknown morphology. The problem is addressed taking into account physical and environmental constraints like limited sensor capabilities and obstacle avoidance. The goal is to maximize the area monitored by the team, by identifying the best configuration of the team members. The proposed method is a distributed extension of our previous work based on the Cognitive Adaptive Optimization (CAO) algorithm. This distributed and scalable approach allows us to obtain coordinated and safe trajectories to accomplish the task in 3D environments. The different formulation of the problem considered in this paper allows also dealing with communication constraints. We provide extensive experimental results using data collected by a team of aerial robots and compare the efficiency of the distributed and centralized approach.

关键词： Micro aerial vehicle Distribute vehicle Obstacle avoidance Aerial robot Unmanned Aerial Vehicle Environments

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Construction techniques for digraphs with minimum diameter

Construction techniques for digraphs with minimum diameter

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24th International Workshop on Combinatorial Algorithms, IWOCA 2013

作者： Miller, Mirka Slamin Ryan, Joe Baskoro, Edy Tri School of Mathematical and Physical Sciences University of Newcastle Australia Department of Mathematics University of West Bohemia Pilsen Czech Republic Department of Informatics King's College London United Kingdom Department of Mathematics ITB Bandung Indonesia School of Information Systems University of Jember Indonesia School of Electrical Engineering and Computer Science University of Newcastle Australia

ISBN: (纸本)9783642452772

We consider the so-called order/degree problem, that is, to determine the smallest diameter of a digraph given order and maximum out-degree. There is no general efficient algorithm known for the construction of such optimal digraphs but various construction techniques for digraphs with minimum diameter have been proposed. In this paper, we survey the known techniques. © 2013 Springer-Verlag.

关键词： Directed graphs

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