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IEEE International Conference on Robotics and Automation (ICRA)

作者： E. Nakano M. Asada S. Tadokoro K. Osuka K. Nagai Y. Masutani H. Kitano The Graduate School of Information Sciences University of Tohoku Sendai Japan The Graduate School of Engineering Osaka University Osaka Japan Department Computer & Systems Engineering Kobe University Kobe Japan Department of System Science Kyoto University Uji Kyoto Japan Department of Robotics Ritsumeikan University Siga Japan The Graduate School of Engineering Sciences Osaka University Osaka Japan Kitano Symbiotic Systems Project JST Shibuya-ku Tokyo Japan

The Japanese Government plans to hold the International Robot Games Festival in 2001, which is called "RoboFesta 2001". The RoboFesta 2001 will be held both in the Osaka area and Kanagawa Prefecture in Japan, and will consist of several authoritative robot games, an international forum, and lots of robot-related exhibitions during the summer and autumn in 2001. The article describes the aims and organisation of the festival, then describes the various games.

关键词： Intelligent robots Symbiosis Government Peace technology Robot control Scheduling Humans Executive Committee

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Three-dimensional facial model reconstruction and plastic surgery simulation

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IEEE Transactions on Information Technology in Biomedicine 1999年第3期3卷 214-220页

作者： Lee, Tong-Yee Sun, Yung-Nien Lin, Yung-Ching Lin, Leewen Lee, Chungnan Visual System Laboratory Department of Computer Science and Information Engineering National Cheng-Kung University Tainan Taiwan Kaohsiung Senior Vocational Commerce School Kaohsiung Taiwan Institute of Computer and Information Engineering National Sun Yat-Sen University Kaohsiung Taiwan

Facial model reconstruction and surgical simulation are essential to plastic surgery in today's medicine. Both can help surgeons to design appropriate repair plans and procedures prior to actual surgery. In this paper, we exploit a metamorphosis technique in our new design. First, using metamorphosis and vision techniques, we can establish three-dimensional facial models from a given photo. Second, we design several morphing operators, including augmentation, cutting, and lacerating. Experiments show that the proposed algorithms can successfully create acceptable facial models and generate realistically visual effects of surgical simulation.

关键词： Medical imaging

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A new method on judgement of static stability for the quadruped robot

A new method on judgement of static stability for the quadru...

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IEEE International Conference on systems, Man and Cybernetics

作者： Xuedong Chen K. Watanabe K. Izumi Faculty of Computer Science and System Engineering Graduate School of Science and Engineering USA Department of Advanced Systems Control Engineering Graduate School of Science and Engineering Japan Faculty of Science and Engineering Department of Mechanical Engineering Saga University Honjomachi Saga Japan

A new approach to analysis of robot stability is presented by defining the statically stable area for the foot placement. The proposed approach is applied not only to generate the free gait for a quadruped robot walking in difficult terrain, but also to judge the robot stability. The effectiveness of this method is demonstrated by a practical example.

关键词： Leg Robot kinematics Legged locomotion Foot Stability analysis systems engineering and theory Control engineering Mechanical engineering

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A fuzzy decision tree induction method for fuzzy data

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IEEE International Conference on Fuzzy systems (FUZZ-IEEE)

作者： Koen-Myung Lee Kyung-Mi Lee Jee-Hyong Lee Hyung Lee-Kwang Department of Computer Science Chungbuk National University Cheonghu South Korea School of Computer Science and System Engineering Kyushu Institute of Technology Fukuoka Japan Department of Computer Science KAIST Daejeon South Korea

ISBN: (纸本)0780354060

Decision tree induction is one of useful approaches for extracting classification knowledge from a set of feature-based examples. Due to observation error, uncertainty, subjective judgement, and so on, many data occurring in real world are obtained in fuzzy description. Although several fuzzy decision tree induction methods have been developed for fuzzy data they are improper to deal with some types of fuzzy data. This paper proposes a fuzzy decision tree induction method for fuzzy data of which numeric attributes are represented by fuzzy number, interval value as well as crisp value, of which nominal attributes are represented by crisp nominal value, and of which class has confidence factor. It presents a tree construction procedure to build a fuzzy decision tree from a collection of fuzzy data and an inference procedure for fuzzy decision tree to classify new fuzzy data. It also presents some experiment results to show the applicability of the proposed method.

关键词： Decision trees Classification tree analysis Uncertainty Training data Network address translation Electronic mail Data mining Decision making

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Frequency domain subspace model identification using the w -operator

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IFAC Proceedings Volumes 1999年第2期32卷 3986-3991页

作者： Zi-Jiang Yang Kiyoshi Wada Faculty of Computer Engineering and System Science Kyushu Institute of Technology Iizuka Fukuoka 820-8502 TEL+81-948-29-7672 FAX+81-948-29-7651 Japan Department of Electrical and Electronic Systems Engineering Graduate School of Information Science and Electrical Engineering Kyushu University Hakozaki Fukuoka 812 Japan

This paper proposes an efficient and convenient approach to frequency domain subspace identification for continuous-time systems. In the case of continuous-time models, the data matrices often become ill-conditioned if we simply rewrite the Laplace operator s as s = jw where w denotes the frequency. To avoid the ill-conditioned problem, the operator w = ( s - b.α)/( s + b.α) is introduced such that the system can be identified based on a state-space model in the w -operator. And then the estimated w -operator state-space model can be transformed back to the common continuous-time state-space model. An instrumental variable matrix in the frequency domain is also proposed to obtain consistent estimate in the presence of measurement noise.

关键词： Subspace model identification frequency domain continuous-time system w -operator Instrumental variable

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A comparison study of static mapping heuristics for a class of meta-tasks on heterogeneous computing systems

A comparison study of static mapping heuristics for a class ...

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Heterogeneous Computing Workshop

作者： T.D. Braun H.J. Siegal N. Beck L.L. Boloni M. Maheswaran A.I. Reuther J.P. Robertson M.D. Theys Bin Yao D. Hensgen R.F. Freund School of Electrical and Computer Engineering Purdue University West Lafayette IN USA Purdue University System West Lafayette IN US Department of Computer Sciences Purdue University West Lafayette IN USA Department of Computer Science University of Manitoba Winnipeg MAN Canada Motorola Austin TX USA Department of Computer Science Naval Postgraduate School Monterrey CA USA

Heterogeneous computing (HC) environments are well suited to meet the computational demands of large, diverse groups of tasks (i.e., a meta-task). The problem of mapping (defined as matching and scheduling) these tasks onto the machines of an HC environment has been shown, in general, to be NP-complete, requiring the development of heuristic techniques. Selecting the best heuristic to use in a given environment, however, remains a difficult problem, because comparisons are often clouded by different underlying assumptions in the original studies of each heuristic. Therefore, a collection of eleven heuristics from the literature has been selected, implemented, and analyzed under one set of common assumptions. The eleven heuristics examined are opportunistic load balancing, user-directed assignment, fast greedy, min-min, max-min, greedy, genetic algorithm, simulated annealing, genetic simulated annealing, tabu, and A*. This study provides one even basis for comparison and insights into circumstances where one technique will outperform another. The evaluation procedure is specified, the heuristics are defined, and then selected results are compared.

关键词： Distributed computing computer science Processor scheduling Computational modeling Load management Genetic algorithms Subcontracting computer applications Collaboration Prototypes

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Architecture-centered enterprise system development and integration based on distributed object technology standard

Architecture-centered enterprise system development and inte...

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IEEE Annual International computer Software and Applications Conference (COMPSAC)

作者： K. Wreder Yi Deng Object Technology Group Information Technology Baptist Health Systems of South Florida Miami FL USA Center of Advanced Distributed System Engineering School of Computer Science Florida International University Miami FL USA

Healthcare information systems are complex and critical enterprise systems that link together geographically distributed hospitals, clinics, physician offices and other business units with distinct business functions and mutual dependencies. In the past, these systems were built based on proprietary solutions, acquired in piecemeal fashion and tightly coupled through ad hoc means. This resulted in stovepipe systems that had many duplicated functions and that were monolithic, non-extensible and non-interoperable. How to migrate from these stovepipe systems to the next-generation open healthcare information systems that are interoperable, extensible and maintainable is increasingly a pressing problem for the healthcare industry. In this paper, we present our experience in addressing the problem using an architecture-centered approach for enterprise system development and integration based on the distributed object technology standards OMA/CORBA. Our case study is conducted from a user organization (as opposed to developer organization) point of view and is based on a large-scale effort undertaken at the Baptist Health systems of South Florida, a large healthcare organization serving the South Florida region. Key lessons learnt from this case study include: (1) establishing a clear architectural vision is essential to successful enterprise system development; (2) adoption of a standard architecture and infrastructure is the best approach to achieve interoperable, extensible and cohesive enterprise systems; and (3) an effective development methodology and business process are key to implementing the architectural vision.

关键词： Medical services Information systems Hospitals Standards development Management information systems computer architecture Information technology Pressing Large-scale systems Technology management

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An Improved Pattern Processing based Heuristic of OBDD Variable Ordering

An Improved Pattern Processing based Heuristic of OBDD Varia...

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第三届运筹学及其应用国际研讨会

作者： Chun Gu Yu-liang Wu Hongbing Fan Department of Computer Science and Engineering The Chinese University of Hong Kong School of Mathematics and System Sciences Shandong University

Ordered Binary Decision Diagrams（OBDDs） are efficient representations of Boolean functions and have been widely used in various computer-aided design *** the size of an OBDD depends on variable order heavily,it is important to find a good variable order for the efficient manipulation of *** paper describes a new variable ordering algorithm that is based on the idea of pattern recognition and merging.A subset of onset vertices is retrieved to form a new set of disjointed cubes to decide the variable *** the process, the recognized cubes are treated as patterns and the construction of an OBDD is the process of pattern *** some circuits,this low complexity(O（mn）) algorithm can produce the optimal OBDDs which are not produceable by other algorithms.

关键词： An Improved Pattern Processing based Heuristic of OBDD Variable Ordering

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DC-to-mm-wave absolute potential measurements inside digital microwave ICs using a micromachined photoconductive sampling probe

DC-to-mm-wave absolute potential measurements inside digital...

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Microwave, MTT-S International Symposium

作者： G. David J.F. Whitaker T.R. Weatherford K. Jobe S. Meyer M. Bustamante W. Goyette S. Thomas K. Elliott Center of Ultrafast Optical Science and Department of Electrical Engineering and Computer Science University of Michigan Ann Arbor MI USA Department of Electrical and Computer Engineering Naval Postgraduate School Monterrey CA USA Hughes Space and Communications Company Los Angeles CA USA TRW Avionics System San Diego CA USA Hughes Research Laboratories Inc. Malibu CA USA

A micromachined photoconductive sampling probe is used to determine detailed wave forms at different circuit nodes and corresponding propagation delays from within an InP HBT frequency divider operating at 2.7 GHz. The results demonstrate for the first time the capability of photoconductive probes for absolute-voltage, DC-coupled potential measurements in integrated circuits.

关键词： Microwave measurements Probes Sampling methods Photoconductivity Photoconducting devices Circuits Spatial resolution Optical sensors Ultrafast optics Aerospace electronics

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On fixed edges and edge-reconstruction of series-parallel networks

On fixed edges and edge-reconstruction of series-parallel ne...

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IEEE Asia-Pacific Conference on Circuits and systems

作者： Hongbing Fan Yu-Liang Wu C.K. Wong School of Mathematics and System Sciences Shandong University Jinan Shandong China Department of Computer Science and Engineering Chinese University of Hong Kong New Territories Hong Kong China Watson Research Center IBM Thomas J. Watson Research Center Yorktown Heights NY USA

A graph configuration is a vertex labeled simple graph. We say a configuration is exclusive for graphs with a property in a class of graphs if every graph in the class containing the configuration has the property. We use the method of exclusive configurations to search for graphs without fixed edges and forced edges investigate the fixed edges. An edge e of a graph G is said to be a fixed edge if G-e+e'/spl cong/G implies that e'=e, and a forced edge if G-e+e' is an edge-reconstruction of G implies that e'=e. It is proved that all series-parallel networks contain fixed edges and forced edge except P/sub 2//spl times/K/sub 1/ and P/sub 3//spl times/K/sub 1/. A similar method is used to investigate the alternative wire problem in circuit design. Let G be a Boolean network and w a wire in G. Wire w' is said to be an alternative wire of w if w'/spl ne/w and G-w+w' has the same functionality as that of G. A wire is said to be fixed if it has no alternative wire. We present a set of exclusive configurations for Boolean networks in which every wire is fixed.

关键词： Wire Mathematics computer science Circuit synthesis Terminology Graph theory

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