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Information presentation by inferring user's interests based on individual conceptual spaces

Systems and computers in Japan 2000年第10期31卷 41-55页

作者： Sumi, Kaoru Sumi, Yasuyuki Mase, Kenji Nakasuka, Shin-Ichi Hori, Koichi Breakthrough21 Nishida Project Communication Research Laboratory Hyogo 651-2401 Japan ATR Media Intgn. Commun. Res. Labs. Kyoto 619-0288 Japan Faculty of Engineering University of Tokyo 153-8904 Japan Science University of Tokyo University of Tsukuba University of Tokyo ATR Media Intgn. Commun. Res. Labs. Breakthrough21 Nishida Project Communications Research Laboratory Min. of Posts and Telecommunications Japan. Soc. for Artif. Intelligence Info. Processing Society of Japan Waseda University IEICE IPSJ Amer. Assoc. for Artif. Intelligence Nagoya University Department 2 Nippon Telegraph and Tel. Corp. NTT Human Interface Laboratories MIT's Media Laboratory IPSJ IEICE IEEE Computer Society

We present the system called Takealook, which personalizes information presentation according to the user's interests and knowledge. The system infers the user's interests from her/his question-and-answer interactions and the information presenters' conceptual spaces by using the related method of collaborative filtering. It then provides additional information about current contents and also recommends other related contents. The user's interests are represented by her/his own individual conceptual space (i.e., a set of related keywords) which is adapted to her/his preferences. In this paper we describe a method for personalizing the information presentation, implementating the system at reviewing an exhibition, and experimental results.

关键词： Artificial intelligence

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THE "RUTGERS ANKLE" ORTHOPEDIC REHABILITATION interface

THE "RUTGERS ANKLE" ORTHOPEDIC REHABILITATION INTERFACE

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ASME 1999 International Mechanical engineering Congress and Exposition, IMECE 1999

作者： Girone, Michael J. Burdea, Grigore C. Bouzit, Mourad Human-Machine Interface Laboratory Department of Electrical and Computer Engineering Rutgers-The State University of New Jersey PiscatawayNJ08854 United States

ISBN: (纸本)9780791816349

This paper presents a novel ankle rehabilitation device currently under development. The haptic interface component has a Stewart platform structure with pneumatic actuators controlled by an electronic interface. It allows movement of the ankle though its full range of motion. The system communicates with a PC through an RS232 port. The PC will run game-like virtual reality exercises that control the movement and output forces of the device. These simulations will make exercising more enjoyable, transparently recording patient progress for evaluation by therapists. The "Rutgers Ankle" Orthopedic Rehabilitation interface will facilitate the healing of one of the most often injured joints of the body. Inherently safe and easy-to-operate, it will combine the capabilities of many current rehabilitation devices. This system will enhance rehabilitation routines by providing three types of exercises: strengthening, stretching, and balancing. Eventually, this system will allow patients to exercise in their homes while being monitored remotely by therapists or physicians. © 1999 American Society of Mechanical Engineers (ASME). All rights reserved.

关键词： Virtual reality

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Towards variable-time-delays-robust telemanipulation through master state prediction

Towards variable-time-delays-robust telemanipulation through...

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IEEE/ASME (AIM) International Conference on Advanced Intelligent Mechatronics

作者： P.A. Prekopiou S.G. Tzafestas W.S. Harwin Dept. of Electr. & Comput. Eng. Nat. Tech. Univ. of Athens Greece Intelligent Robotics & Automation Laboratory Department of Electrical & Computer Engineering National and Technical University of Athens Zografou Greece The Human-Robot Interface Laboratory Department of Cybernetics University of Reading Reading UK

This paper presents the conceptual framework and simulation results on a general technique for time delay compensation in teleoperation, based on the prediction of the human arm position and force, i.e. effectively the master state. This is shown to be significantly less complex and more intuitive than predicting the slave and environment dynamics. Simple polynomial or spline predictors, employing no knowledge of the human arm dynamics, are shown to produce good performance for small time delays when the master force and position are smooth. However, for real life force profiles, better performance is achieved by employing a human arm model and predicting the neural input to it.

关键词： humans Predictive models Master-slave Delay effects Intelligent robots robotics and automation Communication channels Displays Computational modeling computer simulation

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Fuzzy inference and logical level methods for binary graphic/character image extraction

Fuzzy inference and logical level methods for binary graphic...

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IEEE International Conference on Systems, Man and Cybernetics

作者： Byoung-Ho Kang Gyu-Seo Han Heng-Gee Kim Jin-Seo Kim Chang-Rak Yoon Maeng-Sub Cho Human Computer Interface Department Systems Engineering Research Institute Taejon South Korea

ISBN: (纸本)0780347781

Thresholding is one of the most important approaches to image segmentation. It has been widely used to characterize many images containing some objects of reasonably uniform brightness against a background of differing brightness. Typical examples include handwritten/typewritten text and microscope bio-medical samples. Even though it can be applied to the image processing widely, there is no robust thresholding technique to circumvent noisy image. In this study, firstly, the published character/graphic image extraction techniques were reviewed and investigated and new thresholding technique such as fuzzy inference and modified logical level are proposed. In fuzzy inference technique, new methods of fuzzification, fuzzy rule, and defuzzification are introduced for lower error and high speed image binarization.

关键词： Fuzzy logic Graphics Image segmentation Brightness Digital images Pixel Image processing engineering drawings Optical character recognition software Optical noise

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human face location in image sequences using genetic templates

Human face location in image sequences using genetic templat...

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IEEE International Conference on Systems, Man and Cybernetics

作者： Jae Woo Kim Byoung Ho Kang Poong Min Kim Maeng Sub Cho Human Computer Interface Department Systems Engineering Research Institute Taejon South Korea

ISBN: (纸本)0780340531

Describes a computer vision system to locate a human face in an image sequence. The system operates on an image sequence captured during a time period and locates the human face region on each image in the sequence. It is the first important step in a human face recognition system. In this system we use a genetic algorithm to construct human face templates. We evolve our templates to adapt to the characteristics which human faces commonly have. The system consists of the following image processing modules: (1) noise reduction, (2) moving object region detection, (3) human face candidate region detection, (4) human face region verification. In the last step, we confirm the human face region among the candidate regions using the human face templates constructed by the genetic algorithm.

关键词： humans Image sequences Face detection Genetic algorithms Noise reduction Object detection computer vision Face recognition Image processing Layout

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Influence of human engineering on manning levels and human performance on ships

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NAVAL ENGINEERS JOURNAL 1997年第5期109卷 67-76页

作者： Anderson, DE Oberman, FR Malone, TB Baker, CC David E. Anderson:has a bachelor of science degree in environmental engineering from Florida Technological University and a master's degree in environmental engineering from the University of Central Florida. He is a graduate of the Naval Sea Systems Command's Engineer-In-Training (EIT) Program. Mr. Anderson was instrumental in introducing the collective protection system (CPS) in the U.S. Navy developing the initial forward-fit package for the USS Gunston Hall and the engineering change proposal (ECP) for the USS Wasp. In 1990 he joined the Human Systems Integration (HSI) Division (SEA 55W5) where he was task leader for auxiliary ships. He is currently the HSI manager for the future technology variant of the SeaLift ship and the future carrier. Association of Scientists and Engineers 33rdAnnual Technical Symposium 26 April 1996. Fred R. Oberman:has B.A. and M.A. degrees from the University of Chicago and Loyola University (experimental psychology) and an M.S. degree in industrial engineering and operations research from Virginia Polytechnic Institute (VPI). He has more than 30 years experience in HSI management planning research analysis design and testing in government and private sector positions. He is currently responsible for NavSea HSI generic research and tool development efforts. He is responsible for Human Engineering Specifications and Standards (Commercial Hypertext) and is the NavSea 03D7 representative on HSI in Performance Specifications and for integration of HSI within Integrated Logistic Support (ILS). He has served as DoD HSI SubTAG chair and member of the Simulation and Modeling Test and Evaluation Display and Control Systems Human Computer Interaction Specifications and Standards and Systems Design Sub Tags as a member of the Society of Naval Architects and Marine Engineers (SNAME) Systems Safety Panel and a member of NATO RSG 14 on man-machine analysis. Thomas B. Malone: CHFEP received a Ph.D. in experimental psychology from Fordham University in 1964. He is president of Carlow

The objectives of human engineering (HE) are generally viewed as increasing human performance, reducing human error, enhancing personnel and equipment safety, and reducing training and related personnel costs. There are other benefits that are thoroughly consistent with the direction of the Navy of the future, chief among these is reduction of required numbers of personnel to operate and maintain Navy ships. The Naval Research Advisory Committee (NRAC) report on Man-Machine Technology in the Navy estimated that one of the benefits from increased application of man-machine technology to Navy ship design is personnel reduction as well as improving system availability, effectiveness, and safety The objective of this paper is to discuss aspects of the human engineering design of ships and systems that affect manning requirements, and impact human-performance and safety The paper will also discuss how the application of human engineering leads to improved performance, and crew safety, and reduced workload, all of which influence manning levels. Finally, the paper presents a discussion of tools and case studies of good human engineering design practices which reduce manning.

关键词： human engineering

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MULTISCALE STRUCTURE FROM MULTIVIEWS BY DEL(2)G FILTERED 3-DIMENSIONAL VOTING

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SYSTEMS AND computerS IN JAPAN 1995年第12期26卷 28-39页

作者： MORI, TY SUZUKI, S HORIKOSHI, T YASUNO, T Member NTT Human Interface Laboratories Yokosuka Japan 238 Members Nonmember Takeyuki Yasuno:received his B.E. and M.S. degrees from Instrumental Engineering Department Keio University in 1986 and 1988 respectively. He joined NTT in 1988. He has been engaged in research on computer-vision since 1988. Presently he is a Research Engineer at the Multi-Media Processing Laboratory NTT Human Interface Laboratories. He is a member of Institute of Information Processing Japan.

A hierarchical matching is the most efficient way to recognize a 3-D object. In most conventional methods of 3-D object recognition, a hierarchical structure is formed after the detailed 3D structure of an object has been extracted by dividing it coarsely. This approach is very inefficient, since it is difficult to obtain a detailed 3D structure initially in addition to a large amount of computation time. This paper proposes a method which extracts a multiscale 3D structure directly from coarse to fine. In this method, a space containing an object is divided into coarse voxels, and a ''3D voting'' is applied. This voting adds a certain value to a voxel through which a back-projected line connects the center of the camera lens and a feature point on an image. A voxel having a high value is regarded as a region containing a 3D feature point, and this is extracted. Extraction of a hierarchical structure is carried out by repeating the dividing process from coarse voxels to fine voxels so that the operation becomes efficient. This paper also analyzes the effects of the deviation of a feature point in an image and the deviation of the camera center on the 3D voting. The paper shows also that an application of a del(2)G filter to the voxel space (after 3D voting) is effective in suppressing the errors due to the deviations. The method has been confirmed successfully by processing six complex test images.

关键词： 3-DIMENSIONAL STRUCTURE MULTISCALE MULTIVIEW 3-D VOTING EDGE DETECTION ERROR QUANTIZATION ERROR FILTERING

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A telerobotics construction set with integrated performance analysis

A telerobotics construction set with integrated performance ...

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Proceedings 1995 IEEE/RSJ International Conference on Intelligent Robots and Systems. human Robot Interaction and Cooperative Robots

作者： M. Skubic G.V. Kondraske J.D. Wise G.J. Khoury R.A. Volz S. Askew Department of Computer Science Texas A and M University College Station TX USA Human Performance Institute University of Texas Arlington Arlington TX USA Department of Electrical and Computer Engineering Rice University Houston TX USA Automation and Robotics Division NASA-Johnson Space Center Houston TX USA

The Universities Space Automation and robotics Consortium (USARC) was established to promote research into robotics and telerobotics for remote applications. An important part of the work of the Consortium has been the design and implementation of the Telerobotic Construction Set (TCS), which enables the building of modular telerobotic networks. Online and off-line performance analyses are integrated into TCS using quantitative analytical models. This provides the capabilities of measuring and predicting performance and system work loads quantitatively under different conditions, such as different levels of remote autonomy or different operator interfaces. This paper presents the methodology used in the performance/workload analysis and describes experiments, measuring teleoperation performance under time delay.

关键词： Telerobotics robotics and automation Orbital robotics Performance analysis Educational institutions Modular construction Buildings Analytical models Time measurement Delay effects

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Undersea technologies in the former Soviet Union

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NAVAL ENGINEERS JOURNAL 1995年第6期107卷 85-92页

作者： DeHaemer, DJ Dr. Michael J. DeHaemer:is Director of the World Technology Evaluation Center and the Japanese Technology Evaluation Center at Loyola College in Baltimore. He has directed more than a dozen studies of technologies in foreign countries under the sponsorship of the National Science Foundation ARPA Departments of Energy and Commerce and other agencies. He has a continuing interest in assessing foreign technologies in comparison to the United States.—-On the faculty of the Sellinger School of Business at Loyola College Dr. DeHaemer is a former department chairman and an associate professor of information systems and decision sciences. He teaches the strategic use of information technology and human-computer interface design. His research includes user performance with automated speech recognition systems for computers and business applications of artificial intelligence. Dr. DeHaemer completed an earlier career as a submarine officer including command of a ballistic missile submarine. He holds a B.S. degree from the University of Notre Dame and a Master's degree in Operations Analysis from the Naval Postgraduate School. He has an M.B.A. an M.S. in Industrial Engineering and a Ph.D. in Management Information Systems from Rensselaer Polytechnic Institute.

A team of experts, assembled by the World Technology Evaluation Center, visited twenty-five locations in Russia and Ukraine to observe the state of undersea technologies. Academic sites, basic research institutes, industrial development laboratories, and oceanographic operating bases were visited. The report highlights specific technologies that support research submersibles;and critiques the strengths and weaknesses of the ocean technologies establishment. Russia and Ukraine were found to have a number of strengths, especially in test facilities, a large fleet of surface and submersible research vessels, and highly educated and qualified engineers and scientists. Although political and economic conditions need to be over-come, there is motivation for many cooperative commercial or research ventures with both government institutes and new private companies in Russia and Ukraine.

关键词： Ocean engineering

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Windows computer laboratory as a tutorial for undergraduate electromagnetics

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computer Applications in engineering Education 1995年第3期3卷 183-183页

作者： McCulloch, J. Keddy, W.A. Stuchly, M.A. University of Victoria Department of Electrical and Computer Engineering University of Victoria Victoria British Columbia Canada Janet McCulloch:is a native of Toronto Canada where she briefly attended both York University and the University of Toronto before she set off on a year-long adventure through the Middle East and North Africa. When she returned to Canada she relocated to California. She spent a number of years living both in Los Angeles and coastal Northern California interspersed with several extended trips through the United States Mexico and Central America. Ms. McCulloch moved to Victoria British Columbia in 1989 and a year later registered in the cooperative education program in Electrical Engineering at the University of Victoria. She is presently in the fifth and final year of the program and has her sights set on graduate school. Besides the work described in this article she has been very much involved in the use of technology to assist in the delivery of curriculum at the senior secondary level. She lives on a country property a half-hour from the University with her husband her horse and three cats. W. Alfred Keddy:is an applications programmer/analyst for the Department of Electrical and Computer Engineering at the University of Victoria. He received a BEng (1988) in Electrical Engineering and an MASc (1994) from the University of Victoria. His research interests include distributed systems image processing local area networks VLSI and DSP system design for computation and communication and human–computer interface design. Maria A. Stuchly:received an MSc in Electrical Engineering in 1962 from Warsaw Technical University and a PhD in Electrical Engineering from the Polish Academy of Sciences in 1970. Between the years of 1962 and 1970 she was with the Warsaw Technical University an Institute of the Polish Academy of Sciences. After immigrating to Canada during 1970 her first position was with the University of Manitoba. In 1976 she became employed by the Bureau of Radi

Contents and implementation of a computer laboratory for undergraduate electromagnetics are described. The laboratory consists of four 3-hour sessions covering vector calculus, Maxwell's equations (integral and differential forms), wave propagation in materials, and wave behavior at planar interfaces. Each session contains theory (in the Help file), animations (where relevant) and a quiz. The program runs on IBM compatible 486-based PCs in a Windows environment and uses the Borland C ++ 4.0 compiler.

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