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IEEE WIC ACM International Conference on Web Intelligence (WI)

作者： Jan Sudeikat Wolfgang Renz Distributed Systems and Information Systems (VSIS) Group Department of Informatics Faculty of Mathematics Informatics and Natural Sciences University of Hamburg Hamburg Germany Multimedia Systems Laboratory (MMLab) Faculty of Engineering and Computer Science Hamburg University of Applied Sciences Hamburg Germany

The systematic conception of decentralized and self-adaptive software systems, as demanded for the run-time management of today’s distributed, multi-tier software architectures, is an active research area. Here, we discuss a coordination architecture that facilitates the enactment of externalized coordination models in Multi-agent Systems (MAS). Coordination is configured by systemic models, i.e. structures of agent-behaviour interdependencies that denote the mutual influences of agent activities. The systematic, iterative application development is supported by a non-intrusive integration approach that enables developers to adjust application dynamics by complementing agent-based applications with systemic coordination models.

关键词： Application software Intelligent agent Software systems Feedback loop computer architecture Multiagent systems Software engineering informatics Collaborative software Conferences

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Team AnnieWAY's autonomous system for the DARPA Urban Challenge 2007

Team AnnieWAY's autonomous system for the DARPA Urban Challe...

引用

作者： Kammel, Sören Ziegler, Julius Pitzer, Benjamin Werling, Moritz Gindele, Tobias Jagzent, Daniel Schöder, Joachim Thuy, Michael Goebl, Matthias Von Hundelshausen, Felix Pink, Oliver Frese, Christian Stiller, Christoph Institute for Measurement and Control University of Karlsruhe Karlsruhe 76131 Germany Institute for Applied Computer Science/Automation University of Karlsruhe Karlsruhe 76128 Germany Industrial Applications of Informatics and Microsystems University of Karlsruhe Karlsruhe 76131 Germany Institute for Distributed Measurement Systems Technical University of Munich Munich 80290 Germany Institute for Institute for Real-Time Computer Systems Technical University of Munich Munich 80290 Germany Department of Aerospace Engineering University of the Federal Armed Forces Neubiberg 85577 Germany

ISBN: (纸本)9783642039904

This paper reports on AnnieWAY, an autonomous vehicle that is capable of driving through urban scenarios and that has successfully entered the finals of the 2007 DARPA Urban Challenge competition. After describing the main challenges imposed and the major hardware components, we outline the underlying software structure and focus on selected algorithms. Environmental perception mainly relies on a recent laser scanner which delivers both range and reflectivity measurements. While range measurements are used to provide 3D scene geometry, measuring reflectivity allows for robust lane marker detection. Mission and maneuver planning is conducted using a concurrent hierarchical state machine that generates behavior in accordance with California traffic laws. We conclude with a report of the results achieved during the competition. © 2009 Springer-Verlag Berlin Heidelberg.

关键词： Reflection

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Guest editorial network infrastructure configuration

引用

IEEE Journal on Selected Areas in Communications 2009年第3期27卷 249-252页

作者： Paul Anderson Carl A. Gunter Charles R. Kalmanek Sanjai Narain Jonathan M. Smith Rajesh Talpade Geoffrey G. Xie Researcher School of Informatics Edinburgh University Computer Science Department University of Illinois Urbana-Champaign Vice President of Networking & Services Research AT&T Labs Information Assurance and Security Department Telcordia Applied Technology Solutions Senior Research Scientist Olga and Alberico Pompa Professor of Engineering and Applied Science University of Pennsylvannia Chief Scientist and Director Information Assurance Group Telcordia Applied Technology Solutions Computer Science Department Naval Post Graduate School

The nine papers in this special issue focus on network infrastructure configuration and some of the problems encountered in the areas of specification, diagnosis, repair, synthesis, and anonymization.

关键词： Testing Routing Network synthesis informatics computer science Network servers Personal digital assistants Robustness Resilience Data security

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Vibro-tactile feedback for VR systems

Vibro-tactile feedback for VR systems

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Conference on Human System Interactions, HSI

作者： Gabor Sziebig Bjorn Solvang Csaba Kiss Peter Korondi Department of Industrial Engineering Narvik University College Narvik Norway Department of Automation and Applied Informatics Budapest University슠of슠Technology슠and슠Economics Budapest Hungary Computer and Automation Research Institute Hungarian Academy of Sciences (ATOMKI) Budapest Hungary

Today, in production engineering we have already taken into usage complex virtual representations of the manufacturing environment were we can program, simulate, analyse and optimise key performances. Such systems are mainly working through keyboard/ mouse input while user feedback normally are direct visual through computer screen and text files. Such communication only relays on a limited spectre of our senses and the keyboard/mouse/screen systems cannot be said to be very human friendly, especially when the operator is expected to operate ldquoout of officerdquo in a unstructured, maybe dangerous or dirty, environment. In the near future we expect to see more advanced input/output devices like motion capturing and speech input systems while feedback will not be visual alone but include several other human senses. Combinatorial sensory information, interpreted by the human brain, becomes very handy when a stand alone sense is not enough to interpret the actual situation. Imitation of senses and feedback from virtual reality environments always meant a great problem. Realization of two (sight and hearing) out of the five human senses is indispensable. Simulation of these two senses is not complex issue; on the contrary the other three are quite challenging. This paper describes the development of a vibro-tactile glove which can provide sensory feedback from a virtual environment, either as a stand alone system but most important in combination with sight and audio feedback systems. Instead of implementing real force feedback, the focus is on tactile sensing, as an alternative way of achieving the same feedback. The glove contains six vibration motors on different locations on the hand. These locations include all five fingers, and the palm. Communication with the glove is wireless, enabling free movement for the user. The system is low cost and very small sized which allows for combining it with advanced input devices like a motion capturing suit.

关键词： Virtual reality Humans Keyboards Mice Force feedback Production engineering Virtual manufacturing Computational modeling Analytical models Performance analysis

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Redundancy and its applications in wireless sensor networks: A survey

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WSEAS Transactions on computers 2009年第4期8卷 705-714页

作者： Curiac, Daniel-Ioan Volosencu, Constantin Pescaru, Dan Jurca, Lucian Doboli, Alexa Automation and Industrial Informatics Department Politehnica University of Timisoara Bd.V. Parvan Nr.2 300223 Timisoara Romania Computer Engineering Department Politehnica University of Timisoara Bd.V. Parvan Nr.2 300223 Timisoara Romania Department of Applied Electronics Politehnica University of Timisoara Bd.V. Parvan Nr.2 300223 Timisoara Romania Electrical and Computer Engineering Department State University of New York Stony Brook NY 11794-2350 United States

In this paper we presented and classified various approaches for redundancy in the area of wireless sensor networks, related to sensing, communication and information processing. Sometimes an ally, sometimes a foe, redundancy is an inherent feature of sensor networks that has to be very carefully examined in order to improve important aspects of their functioning. Moreover, this paper presents two methodologies: one that implies both components of spatial redundancy and one that implies the use of temporal redundancy for achieving the objective of fault-tolerant and safe operation. In the end, the fields in which the redundancy could be applied with significant results are highlighted.

关键词： Redundancy

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Introduction of an adaptive neuro-fuzzy sliding mode control technique to the vector control of induction motor

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Mediterranean Journal of Measurement and Control 2008年第4期4卷 174-182页

作者： Barazane, Linda Krishan, Monzer Mohammed Suboh Khwaldeh, Ali Faculty of Electronic and Computing Department of Electrical Engineering Algiers Algeria Al-Balq'a Applied University Department of Engineering of Information and Measurements Systems Al-Salt Jordan Department of Computer Sciences Engineering Faculty of Engineering Philadelphia University Amman Jordan Department of Electrical Engineering Philadelphia University Amman Jordan Department of Electrical Engineering Electronic and Informatics Faculty USTHB Algiers Algeria

In this paper, we introduce the approach of adaptive neuro-fuzzy sliding mode control to the vector control of induction motor, in order to overcome the chattering problem. After determining the decoupled model of the motor, a set of simple surfaces associated with a smooth control function with a threshold have been synthesized. However, the magnitude of this control function depends closely on the upper bound of uncertainties, which include parameter variations and external disturbances, and this generates chattering. Therefore, a fuzzy sliding mode controller is investigated to solve this difficulty, in which a simple fuzzy inference mechanism is used to reduce the chattering via simple adjustments. In order to optimize the control performances and ensure a significant reduction of chattering compared with other techniques, we proposed the use of adaptive predictive neural control approach to regulate the speed of the motor. The neural control algorithm is provided with the predicted system output which is the speed variable via a recursive online identification of the overall system which is based on a static feed forward linear network with one hidden layer. The predicted data are passed to a numerical optimization algorithm which attempts to minimize a quadratic rformance criterion to compute the suitable control signal. Copyright © 2008 SoftMotor Ltd.

关键词： Vector control (Electric machinery)

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Correction to “Statistical Approach to Color Quality of Solid-State Lamps”

引用

IEEE Journal of Selected Topics in Quantum Electronics 2009年第5期15卷 1542-1542页

作者： Arturas Zukauskas Rimantas Vaicekauskas Feliksas Ivanauskas Henrikas Vaitkevicius Pranciskus Vitta Michael S. Shur Institute of Materials Science and Applied Research Vilnius University Vilnius Lithuania Faculty of Mathematics Informatics Vilnius University Vilnius Lithuania Department of Electrical Computer and Systems Engineering Rensselaer Polytechnic Institute Troy NY USA

In the above-named work [ibid., vol. 15, no. 4, pp. 1189-1198, Jul.-Aug. 2009], the biographical information for Dr. Michael S. Shur was incorrect. The corrected biographical information is printed here.

关键词： Color Biographies Electron devices Conferences Patents High-speed electronics Technological innovation

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Observation of a Centrality-Dependent Dijet Asymmetry in Lead-Lead Collisions at sNN=2.76 TeV with the ATLAS Detector at the LHC

引用

Physical Review Letters 2010年第25期105卷 252303-252303页

作者： G. Aad B. Abbott J. Abdallah A. A. Abdelalim A. Abdesselam O. Abdinov B. Abi M. Abolins H. Abramowicz H. Abreu E. Acerbi B. S. Acharya M. Ackers D. L. Adams T. N. Addy J. Adelman M. Aderholz S. Adomeit P. Adragna T. Adye S. Aefsky J. A. Aguilar-Saavedra M. Aharrouche S. P. Ahlen F. Ahles A. Ahmad M. Ahsan G. Aielli T. Akdogan T. P. A. Åkesson G. Akimoto A. V. Akimov M. S. Alam M. A. Alam S. Albrand M. Aleksa I. N. Aleksandrov M. Aleppo F. Alessandria C. Alexa G. Alexander G. Alexandre T. Alexopoulos M. Alhroob M. Aliev G. Alimonti J. Alison M. Aliyev P. P. Allport S. E. Allwood-Spiers J. Almond A. Aloisio R. Alon A. Alonso J. Alonso M. G. Alviggi K. Amako P. Amaral C. Amelung V. V. Ammosov A. Amorim G. Amorós N. Amram C. Anastopoulos T. Andeen C. F. Anders K. J. Anderson A. Andreazza V. Andrei M-L. Andrieux X. S. Anduaga A. Angerami F. Anghinolfi N. Anjos A. Annovi A. Antonaki M. Antonelli S. Antonelli J. Antos F. Anulli S. Aoun L. Aperio Bella R. Apolle G. Arabidze I. Aracena Y. Arai A. T. H. Arce J. P. Archambault S. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armbruster K. E. Arms S. R. Armstrong O. Arnaez C. Arnault A. Artamonov G. Artoni D. Arutinov S. Asai J. Silva R. Asfandiyarov S. Ask B. Åsman L. Asquith K. Assamagan A. Astbury A. Astvatsatourov G. Atoian B. Aubert B. Auerbach E. Auge K. Augsten M. Aurousseau N. Austin R. Avramidou D. Axen C. Ay G. Azuelos Y. Azuma M. A. Baak G. Baccaglioni C. Bacci A. M. Bach H. Bachacou K. Bachas G. Bachy M. Backes E. Badescu P. Bagnaia S. Bahinipati Y. Bai D. C. Bailey T. Bain J. T. Baines O. K. Baker S Baker F. Baltasar Dos Santos Pedrosa E. Banas P. Banerjee Sw. Banerjee D. Banfi A. Bangert V. Bansal H. S. Bansil L. Barak S. P. Baranov A. Barashkou A. Barbaro Galtieri T. Barber E. L. Barberio D. Barberis M. Barbero D. Y. Bardin T. Barillari M. Barisonzi T. Barklow N. Barlow B. M. Barnett R. M. Barnett A. Baroncelli A. J. Barr F. Barreiro J. Barreiro Guimarães da Costa P. Barrillon R. Bartoldus A. E. Barton D. Bartsch R. L. Bates L. Batkova J. R. Batley A. Battaglia M. Albert-Ludwigs-Universität Fakultät für Mathematik und Physik Hermann-Herder Strasse 3 D-79104 Freiburg i.Br. Germany University of Oklahoma Homer L. Dodge Department of Physics and Astronomy 440 West Brooks Room 100 Norman Oklahoma 73019-0225 USA Institut de Física d’Altes Energies IFAE Edifici Cn Universitat Autònoma de Barcelona ES-08193 Bellaterra (Barcelona) Spain Université de Genève Section de Physique 24 rue Ernest Ansermet CH-1211 Geneve 4 Switzerland Oxford University Department of Physics Denys Wilkinson Building Keble Road Oxford OX1 3RH United Kingdom Institute of Physics Azerbaijan Academy of Sciences H. Javid Avenue 33 AZ 143 Baku Azerbaijan Oklahoma State University Department of Physics 145 Physical Sciences Building Stillwater Oklahoma 74078-3072 USA Michigan State University Department of Physics and Astronomy High Energy Physics Group East Lansing Michigan 48824-2320 USA Tel Aviv University Raymond and Beverly Sackler School of Physics and Astronomy Ramat Aviv IL - Tel Aviv 69978 Israel LAL Université Paris-Sud IN2P3/CNRS Orsay France INFN Sezione di Milano via Celoria 16 IT-20133 Milano Italy Università di Milano Dipartimento di Fisica via Celoria 16 IT-20133 Milano Italy INFN Gruppo Collegato di Udine Strada Costiera 11 IT-33100 Udine Italy ICTP Strada Costiera 11 IT-34014 Trieste Italy University of Bonn Physikalisches Institut Nussallee 12 D-53115 Bonn Germany Brookhaven National Laboratory Physics Department Building 510A Upton New York 11973 USA Hampton University Department of Physics Hampton Virginia 23668 USA Yale University Department of Physics P.O. Box 208121 New Haven Connecticut 06520-8121 USA Max-Planck-Institut für Physik (Werner-Heisenberg-Institut) Föhringer Ring 6 80805 München Germany Ludwig-Maximilians-Universität München Fakultät für Physik Am Coulombwall 1 DE-85748 Garching Germany Queen Mary University of London Department of Physics Mile End Road London E1 4NS United Kingdom Ruther

By using the ATLAS detector, observations have been made of a centrality-dependent dijet asymmetry in the collisions of lead ions at the Large Hadron Collider. In a sample of lead-lead events with a per-nucleon center of mass energy of 2.76 TeV, selected with a minimum bias trigger, jets are reconstructed in fine-grained, longitudinally segmented electromagnetic and hadronic calorimeters. The transverse energies of dijets in opposite hemispheres are observed to become systematically more unbalanced with increasing event centrality leading to a large number of events which contain highly asymmetric dijets. This is the first observation of an enhancement of events with such large dijet asymmetries, not observed in proton-proton collisions, which may point to an interpretation in terms of strong jet energy loss in a hot, dense medium.

关键词： Energy dissipation

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An extensible query language for content based image retrieval based on Lucene

An extensible query language for content based image retriev...

引用

International Conference on computer and Information Technology (CIT)

作者： Raoul Pascal Pein Joan Lu Renz Wolfgang Multimedia Systems Laboratory (MMLab) Faculty of Engineering and Computer Science University of Applied Sciences Hamburg Germany Department of Informatics School of Computing and Engineering University of Huddersfield Huddersfield UK Multimedia Systems Laboratory (MMLab) Faculty of Engineering and Computer Science Hamburg University of Applied Sciences Berliner Tor 7 20099 Germany

One of the most important bits of every search engine is the query interface. Complex interfaces may cause users to struggle in learning the handling. An example is the query language SQL. It is really powerful, but usually remains hidden to the common user. On the other hand the usage of current languages for Internet search engines is very simple and straightforward. Even beginners are able to find relevant documents. This paper presents a hybrid query language suitable for both image and text retrieval. It is very similar to those of a full text search engine but also includes some extensions required for content based image retrieval. The language is extensible to cover arbitrary feature vectors and handle fuzzy queries.

关键词： Plugs Database languages Image retrieval Engines Feature extraction Search engines Histograms

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Objective evaluation of methods for border detection in dermoscopy images

Objective evaluation of methods for border detection in derm...

引用

Annual International Conference of the IEEE engineering in Medicine and Biology Society (EMBC)

作者： M. Emre Celebi Gerald Schaefer Hitoshi Iyatomi Department of Computer Science Louisiana State University in Shreveport Shreveport LA USA School of Engineering and Applied Science Aston University Birmingham UK Department of Electrical Informatics Hosei University Tokyo Japan

Dermoscopy is one of the major imaging modalities used in the diagnosis of melanoma and other pigmented skin lesions. Due to the difficulty and subjectivity of human interpretation, dermoscopy image analysis has become an important research area. Border detection is often the first step in the automated analysis of dermoscopy images. Although numerous methods have been developed for the detection of lesion borders, very few studies were comprehensive in the evaluation of their results. In this paper, we evaluate five recent border detection methods on a set of 90 dermoscopy images using three sets of dermatologist-drawn borders as the ground-truth. In contrast to previous work, we utilize an objective measure, the Normalized Probabilistic Rand Index, which takes into account the variations in the ground-truth images. The results demonstrate that the differences between four of the evaluated border detection methods are in fact smaller than those predicted by commonly used measures.

关键词： Lesions Image segmentation Manuals Indexes Probabilistic logic Melanoma Skin

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