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9th International Joint Conference on Autonomous Agents and Multiagent Systems 2010, AAMAS 2010

作者： Huang, Hung-Hsuan Furukawa, Takuya Ohashi, Hiroki Nishida, Toyoaki Cerekovic, Aleksandra Pandzic, Igor S. Nakano, Yukiko Graduate School of Informatics Kyoto University Japan Faculty of Electrical Engineering and Computing University of Zagreb Croatia Department of Computer and Information Science Seikei University Japan

ISBN: (纸本)9781617387715

This paper presents a quiz game agent who is attentive to the dynamics of multiple concurrent participants. The attentiveness of this agent is meant to be achieved by an utterance policy that determines the nature of the utterance and whether, when, and to whom to utter. Two heuristics are introduced to drive the policy: the interaction atmosphere (AT) of the participants and the participant who tends to lead the conversation (CLP) at a specifi time point. They are estimated from the activeness of the participants' face movements and acoustic information during their discussion of the answer. In order to the inherent drawback of a 2D agent that makes it difficult for multiple concurrent users to distinguish the focus of its attention, a physical pointer is also introduced. This system is then evaluated using questionnaire investigation and video data analysis. The joint results of the experiments indicated that the methods for estimating AT and CLP worked. The participants pay more attention to the agent and participate in the game more actively if the indication of the pointer is more comprehensive. Copyright © 2010, International Foundation for Autonomous Agents and Multiagent Systems (***). All rights reserved.

关键词： Virtual reality

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Collective Intelligence for the design of emergency response

Collective Intelligence for the design of emergency response

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International Conference on Computer Supported Cooperative Work in Design

作者： Vivacqua, Adriana S. Borges, Marcos R.S. PPGI/DCC-IM - Graduate Program in Informatics Department of Computer Science Institute of Mathematics UFRJ - Federal University of Rio de Janeiro Rio de Janeiro Brazil PPGI/DCC-IM - Graduate Program in Informatics Department of Computer Science Institute of Mathematics NCE - Electronic Computing Institute UFRJ - Federal University of Rio de Janeiro Rio de Janeiro Brazil

ISBN: (纸本)9781424467631

Collective Intelligence has received much attention in recent years, as organizations and businesses discover the power of crowds. With new technologies, such as blogs, twitter, wikis, photo sharing, collaborative tagging and social networking sites, people may create and disseminate content as never before. Many organizations are looking for ways to harness this power, which is being called collective intelligence. Additionally, many open-source initiatives have shown that it is possible to obtain high quality results from collectively produced work. In this paper, we consider the domain of emergency response. We have been working in this domain for a few years now, mostly focusing on small disaster relief groups and field command. One of the command problems is lack of information about the location where the disaster occurred. We believe some of this information could be crowdsourced, changing current practices and enabling more effective response to the situation. In this paper, we discuss the possibilities for crowdsourcing and present an initial proposal for harnessing collective intelligence for the fire department. © 2010 IEEE.

关键词： Emergency services

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A fuzzy inference system to determine the number of clones in the clonal selection algorithm

A fuzzy inference system to determine the number of clones i...

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2010 2nd World Congress on Nature and Biologically Inspired computing, NaBIC 2010

作者： Carraro, Luiz Antonio De Castro, Leandro Nunes De Ré, Angelita Maria Computer and Informatics Faculty Graduate Program in Electrical Engineering Mackenzie University São Paulo Brazil Computer Science Department State University of West-Center Parana Guarapuava Brazil

ISBN: (纸本)9781424473762

Artificial Immune Systems (AISs) are composed of techniques inspired by immunology. The clonal selection principle ensures the organism adaptation to fight invading antigens by an immune response activated by the binding of antigens and antibodies. As an immune response can be elicited even when the binding between an antigen and an antibody is not perfect, an approximate binding might suffice, and a Fuzzy Logic mechanism might be the most appropriate mechanism to control such process. This paper presents a novel hybrid model based on concepts of Immune and Fuzzy Systems with applications to pattern recognition problems. The preliminary results obtained here suggest the proposed model is a promising pattern recognition tool. © 2010 IEEE.

关键词： Fuzzy systems

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Analysis and identification Gamelan Bonang sound spectrum

Analysis and identification Gamelan Bonang sound spectrum

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International Conference on Computational Intelligence, Modelling and Simulation

作者： Latief, Muhammad Nur Gaol, Ford Lumban Iswanto, Bambang Heru Graduate Program in Informatics Engineering Bina Nusantara University Jakarta Indonesia Faculty of Computer Science Bina Nusantara University Jakarta Indonesia Physics Department Universitas Negeri Jakarta Jakarta Indonesia

ISBN: (纸本)9780769542621

In this research will show a method for sound-recognition with artificial neural network backpropagation concept. The artificial neural network use sigmoid activation function to all layer. Steps to the extraction, first, divide into ten component, second do the Fast Fourier Transform, third continue with Power Spectral Density, fourth count the average. The end result show that the pattern will recognize by the Artificial Neural Network. Extraction performed, as well as Fourier transform, and also calculate the power density, and then process them with artificial neural networks, allows the system to do the identification of voice data Gamelan Bonang using In this research will show a method for sound-recognition with artificial neural network backpropagation concept. © 2010 IEEE.

关键词： Backpropagation

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A fuzzy inference system to determine the number of clones in the clonal selection algorithm

A fuzzy inference system to determine the number of clones i...

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World Congress on Nature & Biologically Inspired computing (NaBIC)

作者： Luiz Antonio Carraro Leandro Nunes de Castro Angelita Maria de Ré Computer and Informatics Faculty & Graduate Program in Electrical Engineering Mackenzie University São Paulo Brazil Computer Science Department State University of West-Center Parana Guarapuava Brazil

关键词： Variable speed drives Animals

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Communicating with multiple users for embodied conversational agents in quiz game context

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International Journal of Intelligent Information and Database Systems 2010年第6期4卷 579-598页

作者： Huang, Hung-Hsuan Furukawa, Takuya Ohashi, Hiroki Nishida, Toyoaki Cerekovic, Aleksandra Pandzic, Igor S. Nakano, Yukiko Graduate School of Informatics Kyoto University Yoshida-Honmachi Sakyo-ku Kyoto 606-8501 Japan Faculty of Electrical Engineering and Computing Department of Telecommunications University of Zagreb Unska 3 10000 Zagreb Croatia Department of Computer and Information Science Seikei University Kichijyoji Kita-machi 3-3-1 Musashino-shi Tokyo 180-8633 Japan

This paper presents two approaches to achieve attentiveness of a virtual quiz agent in the interactions with multiple users at the same time. One attempts to improve the agent with an utterance strategy to determine whether, when, and whom to suggest the users the availability of hints or to urge the users to answer. In the other one, a transition state model presenting the agent's attitude that allows the agent to perform meaningful idle motions is introduced. The transition model is obtained in a Wizard-of-Oz (WOZ) experiment and is learned with support vector machine (SVM). These two prototype systems are evaluated with an automatic attitude test, go/no-go task (GNAT) and regular questionnaires. From the joint results of the evaluation subject experiments, the direction of finding an appropriate triggering timing of the agent's behaviours is proved to be effective. Copyright © 2010 Inderscience Enterprises Ltd.

关键词： Support vector machines

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Implementing a multi-user tour guide system with an embodied conversational agent

Implementing a multi-user tour guide system with an embodied...

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5th International Conference on Active Media Technology, AMT 2009

作者： Čereković, Aleksandra Huang, Hsuan-Hung Furukawa, Takuya Yamaoka, Yuji Pandžić, Igor S. Nishida, Toyoaki Nakano, Yukiko Faculty of Electrical Engineering and Computing Zagreb Croatia Graduate School Informatics Kyoto University Japan Dept. of Computer and Information Science Faculty of Science and Technology Seikei University Tokyo Japan

ISBN: (纸本)9783642048746

In recent years, computer-generated interactive virtual characters, called Embodied Conversational Agents (ECAs), are subjects of considerable ongoing research. Nevertheless, their conversational abilities are mediocre compared to real human behaviors. Among limitations, most of ECAs are incapable of participating in natural conversations in which the number of participants can change dynamically. In the ongoing work we investigate principles of integrating a multi-user support in an ECA system. We present experiments and implementation approach of a prototype system in which a tour guide ECA interacts with one or two users. The system combines different technologies to detect and address the system users and draw their attention. Experimental interaction with the system produces encouraging results. The system can address the user's appearance, departure, decreased level of interest and identify his conversational role. © 2009 Springer-Verlag.

关键词： Behavioral research

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Toward a multi-culture adaptive virtual tour guide agent with a modular approach

Toward a multi-culture adaptive virtual tour guide agent wit...

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作者： Huang, Hung-Hsuan Cerekovic, Aleksandra Pandzic, Igor S. Nakano, Yukiko Nishida, Toyoaki Graduate School of Informatics Kyoto University Kyoto Japan Faculty of Electrical Engineering and Computing University of Zagreb Zagreb Croatia Faculty of Science and Technology Seikei University Seikei Japan

Embodied conversational agents (ECAs) are computer-generated, human-like characters that interact with human users in face-to-face conversations. ECA is a powerful tool for representing cultural differences and is suitable for interactive training or edutainment systems. This article presents preliminary results from the development of a culture-adaptive virtual tour guide agent for serving Japanese, Croatian, and general Western users by displaying appropriate verbal and non-verbal behaviors. It is being implemented in Generic ECA Framework, a modular framework for developing ECAs. Dividing the ECA functions into reusable and loosely coupled modules minimizes the effort required to implement additional behavior and facilitates incremental scale up of the system. © Springer-Verlag London Limited 2009.

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Time-domain correlation imaging and its applications

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IEEJ Transactions on Sensors and Micromachines 2009年第5期129卷 129-137页

作者： Ando, Shigeru Kimach, Akira Department of Information Physics and Computing Graduate School of Information Science and Technology University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan Department of Engineering Informatics Faculty of Information and Communication Engineering Osaka Electro-Communication University 18-8 Hatsu-cho Neyagawa Osaka 572-8530 Japan

This article presents a novel framework of image sensing based on the time-domain correlation image sensor. The correlation detection mechanism of the sensor realizes pixel-parallel, selective detection of wideband modulated optical patterns at an ordinary frame rate, which cannot be achieved by conventional image sensors. This remarkable feature allows a variety of real-time imaging applications that employ powerful techniques of correlation detection. © 2009 The Institute of Electrical Engineers of Japan.

关键词： Optical correlation

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Integrating fingerprint with cryptosystem for internet-based live pay-TV system

Integrating fingerprint with cryptosystem for internet-based...

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International Conference on Communications and Networking in China (CHINACOM)

作者： Shuhui Hou Tetsutaro Uehara Takashi Satoh Yoshitaka Morimura Michihiko Minoh Department of Intelligence Science and Technology Graduate School of Informatics Kyoto University Japan Acdemic Center for Computing and Media Studies Kyoto University Japan Department of Information and Media Engineering Faculty of Enviromental Engineering University of Kitakyushu Japan

In the last few years, live pay-TV system via Internet has come to be established with the development of broadband network. To develop such a system, a mechanism for content protection is required. In this paper, a new architecture integrating fingerprint with cryptosystem is proposed to protect contents from unauthorized access and illegal redistribution. We describe a scheme integrating anti-collusion code and home page public-key cryptosystem. The proposed scheme is shown feasible and realistic for implementing with respect to computation/communication cost.

关键词： Fingerprint recognition Internet Protection Data security Multimedia systems Public key cryptography IP networks Computational efficiency Broadcasting Intelligent networks

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