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4th ACM/IEEE International Conference on Human-Robot Interaction, HRI'09

作者： Meisner, Eric Šabanovic, Selma Isler, Volkan Caporael, Linnda R. Trinkle, Jeff Dept. of Computer Science Rensselaer Polytechnic Institute Troy NY United States Program in Science Technology and Society Stanford University Stanford CA United States Dept. of Computer Science University of Minnesota Minneapolis MN United States Dept. of Science and Technology Studies Rensselaer Polytechnic Institute Troy NY United States

ISBN: (纸本)9781605584041

Humans rely on a finely tuned ability to recognize and adapt to socially relevant patterns in their everyday face-to-face interactions. This allows them to anticipate the actions of others, coordinate their behaviors, and create shared meaning- to communicate. Social robots must likewise be able to recognize and perform relevant social patterns, including interactional synchrony, imitation, and particular sequences of behaviors. We use existing empirical work in the social sciences and observations of human interaction to develop nonverbal interactive capabilities for a robot in the context of shadow puppet play, where people interact through shadows of hands cast against a wall. We show how information theoretic quantities can be used to model interaction between humans and to generate interactive controllers for a robot. Finally, we evaluate the resulting model in an embodied human-robot interaction study. We show the benefit of modeling interaction as a joint process rather than modeling individual agents. Copyright 2009 ACM.

关键词： Human robot interaction

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Advances in tangible interaction and ubiquitous virtual reality

Advances in tangible interaction and ubiquitous virtual real...

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作者： Hong, Dongpyo Höllerer, Tobias Haller, Michael Takemura, Haruo Cheok, Adrian David Kim, Gerard Jounghyun Billinghurst, Mark Woo, Woontack Hornecker, Eva Jacob, Robert J.K. Hummels, Caroline Ullmer, Brygg Schmidt, Albrecht Van Den Hoven, Elise Mazalek, Ali Gwangju Institute of Science and Technology Department of Computer Science University of California Santa Barbara Upper Austria University of Applied Sciences Department of Digital Media Infomedia Education Division Osaka University Cybermedia Center National University of Singapore Mixed Reality Lab. Keio University Department of Computer Science and Engineering Korea University Gwangju Institute of Science and Technology Open University Pervasive Interaction Lab. Department of Computer Science Tufts University Eindhoven University of Technology Department of Industrial Design Department of Computer Science Louisiana State University University of Duisburg Pervasive Computing and User Interface Engineering Group Essen Digital Media Program Georgia Institute of Technology

The first article reports on context-sensitive augmented-reality research presented at the 2007 International Symposium on Ubiquitous Virtual Reality. This student-organized event explored the use of contextual information, design principles, and effective user evaluation for developing AR applications for ubiquitous computing environments. The second article reports on The International Conference on Tangible and Embedded Interaction, the first conference series worldwide to focus on tangible and embedded interaction. The conference is interdisciplinary, covering the arts, hardware design, software toolkits for prototyping, and user studies and theory development. © 2006 IEEE.

关键词： Virtual reality

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Creative collaborative exploration in multiple environments

Creative collaborative exploration in multiple environments

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2008 AAAI Spring Symposium

作者： Turk, Matthew Höllerer, Tobias Arisona, Stefan Müller Kuchera-Morin, JoAnn Coffin, Chris Hoetzlein, Rama Putnam, Lance Overholt, Dan Media Arts and Technology Program University of California Santa Barbara CA 93106 United States Computer Science Department University of California Santa Barbara CA 93106 United States

ISBN: (纸本)9781577353591

We seek to support creativity in science, engineering, and design applications by building infrastructure that offers new capabilities for creative collaborative exploration of complex data in a variety of non-traditional computing environments. We describe particular novel environments and devices, including the Allosphere and the interactive Fogscreen, the software components to support collaborative interaction in mixed-media environments, and several key application scenarios that will leverage these capabilities. Our main focus is on supporting integrated visualization, sonification, and interaction capabilities in and across novel computing environments. Copyright © 2007, Association for the Advancement of Artificial Intelligence (***). All rights reserved.

关键词： Application programs

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Informing daylighting design with the Lightsolve approach: Why and how

Informing daylighting design with the Lightsolve approach: W...

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25th International Conference on Passive and Low Energy Architecture: Towards Zero Energy Building, PLEA 2008

作者： Andersen, Marilyne Kleindienst, Siân Yi, Lu Lee, Jaime Bodart, Magali Cutler, Barbara Building Technology Program Dept. of Architecture Massachusetts Institute of Technology United States Post-doctoral Researcher FNRS Architecture et Climat Université Catholique de Louvain Belgium Computer Science Department Rensselaer Polytechnic Institute United States

ISBN: (纸本)9781905254347

To efficiently and appropriately integrate daylighting strategies in their projects, building designers need reliable methods to address issues such as daily and seasonal variations or the balance between sufficient illumination with visual and thermal comfort aspects. This integration must also happen early in the design process to have a significant impact on energy savings and ultimate building performance. This paper proposes to address this need by fulfilling three major objectives: support the design process using a goal-oriented approach based on iterative design improvement suggestions;provide climate-based annual metrics in a visual and synthesized form;and relate quantitative and qualitative performance criteria thanks to a novel interface for browsing daylighting analysis data in various forms. A methodology to achieve these objectives is described here as the Lightsolve approach.

关键词： Daylighting

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Design of fuzzy controller for automatic steering

Design of fuzzy controller for automatic steering

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作者： Ko, Sang-Jin Lee, Jun-Woo Choi, Byoung-Suk Lee, Ju-Jang Graduate School of Automobile Technology KAIST Daejeon Korea Republic of Robotics Program KAIST Daejeon Korea Republic of Department of Electrical Engineering and Computer Science KAIST Daejeon Korea Republic of

ISBN: (纸本)9784990288020

Unmanned vehicle is future vehicle technology. Lateral control technology and longitudinal control technology are needed for unmanned vehicle. Automatic steering system is lateral control technology. A automatic steering system automatically controls the steering to keep the vehicle in its land and also to follow the lane as it curves around. This paper proposes automatic steering system based on fuzzy logic. If the fuzzy rules are set properly, the fuzzy controller can control the objective system nicely. To design an automatic steering system, lateral error dynamics of a vehicle is derived. The proposed automatic steering system is evaluated by SIMULINK in MATLAB. The simulation results show that the proposed automatic steering system works satisfactorily for keeping the vehicle in its land and following the lane. ©ISAROB 2008.

关键词： Fuzzy control

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Conformal P-N junctions in macroporous silicon for photovoltaic energy conversion

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physica status solidi c 2009年第7期6卷

作者： Jeffrey P. Clarkson Gloria G. See Bharat Veeramachaneni Larry L. Gadeken Karl D. Hirschman Philippe M. Fauchet Materials Science Program University of Rochester Rochester New York 14627 USA Department of Electrical and Computer Engineering University of Rochester Rochester New York 14627 USA Microelectronic Engineering Department Rochester Institute of Technology Rochester NY 14623 USA BetaBatt Inc. 12819 Westleigh Drive Houston Texas 77077 USA

We report on the fabrication of a macroporous silicon diode that successfully operates in a photovoltaic mode of energy conversion. Typical device structures are fabricated on 4″, Cz grown, <100>, p-type, 5 – 30 Ω-cm, Si substrates and make use of random or pre-patterned macroporous silicon films up to 100 μm thick with pores ∼1 μm in diameter and a center-to-center pore spacing of 2.5 μm. Phosphorous dopants are introduced throughout the porous silicon region with a newly adapted technique based on proximity rapid thermal diffusion. This development effort has enhanced the uniformity of dopant diffusion into the pores and subsequently improved device performance. The resulting p-n diode within the porous silicon is of a three-dimensional nature and exhibits an extremely high internal surface area up to ∼6690 cm 2 /cm 3 . To our knowledge, this is the first use of such a technique to fabricate conformal, three-dimensional p-n junctions for photovoltaic applications. The large internal surface area of this diode makes it applicable to next generation photovoltaics. Moreover, the porous silicon within this device is not simply an antireflection coating; rather it is a light trapping medium that has the ability to become a large surface area diode and can serve as a host matrix for photoactive compounds. (© 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

关键词： 78.55.Mb 84.60.Jt 85.30.Kk 85.40.Ry

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Fast lane detection with Randomized Hough Transform

Fast lane detection with Randomized Hough Transform

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International Symposium on Information technology, ITSim

作者： Azali Saudi Jason Teo Mohd Hanafi Ahmad Hijazi Jumat Sulaiman Centre for Artificial Intelligence Computer Science Program School of Engineering & Information Technology Universiti Malaysia Sabah Kota Kinabalu Malaysia Computer Graphics Program School of Science & Technology Universiti Malaysia Sabah Kota Kinabalu Malaysia

Lane detection is an essential component of autonomous mobile robot applications. Any lane detection method has to deal with the varying conditions of the lane and surrounding that the robot would encounter while moving. Lane detection procedure can provide estimates for the position and orientation of the robot within the lane and also can provide a reference system for locating other obstacles in the path of the robot. In this paper we present a method for lane detection in video frames of a camera mounted on top of the mobile robot. Given video input from the camera, the gradient of the current lane in the near field of view are automatically detected. Randomized Hough Transform is used for extracting parametric curves from the images acquired. A priori knowledge of the lane position is assumed for better accuracy of lane detection.

关键词： Transforms Roads Pixel Robustness Image edge detection Vehicles Equations

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Achieving compelling student comprehension of complex information structures for both on-site and on-line courses

Achieving compelling student comprehension of complex inform...

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2008 ASEE Annual Conference and Exposition

作者： Uhlig, Ronald Farahani, Alireza Viswanathan, Shekar Evans, Howard Sotelo, Mark National University Department of Computer Science and Information Systems School of Engineering and Technology National University Wireless Communications for the Master ot Science in Wireless Communications Program International Telecommunications Academy School of Engineering and Technology Department of Applied Engineering Lead Faculty for Engineering Management and Homeland Security and Safety Engineering Academic Computing for National University

Teaching engineering and technology subjects involves conveying understanding of abstract information structures and processes such as complex telecommunications protocols, complex mathematical concepts, and data structures. These are multidimensional and can be difficult to grasp quickly. Supported by a Hewlett-Packard (HP) technology for Teaching grant, the School of Engineering and technology at National University has embarked on a project to enable students to grasp these complex concepts more quickly and easily, using continuous dialog among students and instructors as the structures are first introduced and then examined from multiple perspectives through real-time interaction among students, small groups, and instructors. HP Wireless Tablet PCs are used to discuss and experiment with diagrams and processes in realtime. This allows combining lectures and problem-solving sessions into a single class session. Our hypothesis is that: 1) an in-depth learning of theory is accomplished, and 2) student engagement is enhanced. Presentation of theory by the instructor is integrated with application while the theory is still in the student's short-term memory. Students no longer have to wait for a separate session such as a recitation session to apply the concepts. This approach often takes less time. In addition to accelerating the learning process, expert instructors find this approach more rewarding as students grasp new concepts more quickly. Analysis of data captured from both students and instructors are presented to support our hypotheses, and our results are compared with similar research carried out by other universities. In addition, the level of interaction enabled by the use of HP Tablets in on-line classes is discussed. The best teaching tools available in existing on-line teaching platforms are compared with the additional tools available in on-site courses when every student has a wireless Tablet PC and specific recommendations are made to on-line teachi

关键词： Students

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Meaning-preserving skolemization on logical structures

Meaning-preserving skolemization on logical structures

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9th International Conference on Intelligent Technologies, Intech'08

作者： Akama, Kiyoshi Nantajeewarawat, Ekawit Division of Large-Scale Computational Systems Information Initiative Center Hokkaido University Hokkaido 060-0811 Japan Computer Science Program Sirindhorn International Institute of Technology Thammasat University Rangsit Campus Pathumthani 12121 Thailand

ISBN: (纸本)9789746152969

Skolemization is a well-known method for removing existential quantifiers from a logical formula. Although it always yields a satisfiability-preserving transformation step, classical Skolemization in general does not preserve the logical meaning of a source formula. Based on a general framework for generating and extending logical structures on specialization systems, we develop in this paper a theory for extending a space of logical formulas by incorporation of function variables and show how meaning-preserving Skolemization can be achieved in an obtained extended space. A procedure for converting a logical formula into an equivalent one in a conjunctive normal form on the extended space is described. This work lays a crucial theoretical foundation for solving logical problems involving existential quantifications based on meaning-preserving formula transformation.

关键词： Conjunctive normal form Equivalent transformation Logical structures Skolemization Specialization systems

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Argument graph classification via genetic programming and C4.5

Argument graph classification via genetic programming and C4...

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1st International Conference on Educational Data Mining, EDM 2008

作者： Lynch, Collin Ashley, Kevin D. Pinkwart, Niels Aleven, Vincent Intelligent Systems Program University of Pittsburgh United States School of Law University of Pittsburgh United States Department of Informatics Clausthal University of Technology Germany HCII School of Computer Science Carnegie Mellon University United States

ISBN: (纸本)9780615306292

In well-defined domains there exist well-accepted criteria for detecting good and bad student solutions. Many ITS implement these criteria characterize solutions and to give immediate feedback. While this has been shown to promote learning, it is not always possible in ill-defined domains that typically lack well-accepted criteria. In this paper we report on the induction of classification rules for student solutions in an ill-defined domain. 1 We compare the viability of classifications using statistical measures with classification trees induced via C4.5 and Genetic programming.

关键词： Genetic programming

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