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27th International Conference Extended Abstracts on human Factors in Computing Systems, CHI 2009

作者： Vertegaal, Roel Ishii, Hiroshi Poupyrev, Ivan Kodama, Sachiko Biloria, Nimish Maes, Pattie Goldstein, Seth Rekimoto, Jun Human Media Lab. Queen's University Kingston NS Canada MIT Media Lab. Cambridge MA United States Interaction Laboratory Sony CSL Inc. Tokyo Japan University of Electro-Communications Tokyo Japan TU Delft Netherlands Computer Science Dept. Carnegie Mellon University Pittsburgh PA United States Interfaculty Initiative in Information Studies University of Tokyo Japan Interaction Laboratory SONY CSL Inc. Tokyo Japan

ISBN: (纸本)9781605582474

In this panel, we explore the role emerging transitive materials, like flexible thin-film displays, multi-touch input skins, e-textiles, micro-actuators and Claytronics might play in re-defining the human interface towards a programmable form of reality. Panelist will extrapolate historical trends from Tangibles to new developments in organic user interfaces, trying to identify a future in which interfaces will no longer be predominantly flat, but instead have any possible shape or form: from skins that are foldable, flexible and physical to three-dimensional products that are fully kinetic.

关键词： Interfaces (materials)

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The use of socially assistive robots in the design of intelligent cognitive therapies for people with dementia

The use of socially assistive robots in the design of intell...

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IEEE International Conference on Rehabilitation Robotics (ICORR)

作者： Adriana Tapus Cristian Tapus Maja J Mataric Robotics Research Lab/Interaction Laboratory Department of Computer Science University of Southern California Los Angeles USA Google Inc. Mountain View USA

Currently the 2 percent growth rate for the world's older population exceeds the 1.2 rate for the world's population as a whole. By 2050, the number of individuals over the age 85 is projected to be three times more than there is today. Most of these individuals will need physical, emotional, and cognitive assistance. In this paper, we present a new adaptive robotic system based on the socially assistive robotics (SAR) technology that tries to provide a customized help protocol through motivation, encouragements, and companionship to users suffering from cognitive changes related to aging and/or Alzheimer's disease. Our results show that this approach can engage the patients and keep them interested in interacting with the robot, which, in turn, increases their positive behavior.

关键词： Intelligent robots Cognitive robotics Medical treatment Dementia Rehabilitation robotics Aging Alzheimer's disease Medical services Protocols Senior citizens

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Experiencing the international children's digital library

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interactions 2008年第6期15卷 50-54页

作者： Bederson, Benjamin B. Department of Computer Science Human-Computer Interaction Lab. University of Maryland

The International Children's Digital Library (ICDL), is a website of exemplary and freely available children's books with a child-friendly interface for finding and reading books online. The design, implementation, and deployment of the ICDL is done thorough a process called Cooperative Inquiry, which offers search parameters of various books. An IDCL weblog analysis confirms the academic research with practice, and allows children to read books in order or starting at any page by clicking on it. The website has received a positive feedback from users and has also been offered request from the World Bank and the Government of Mongolia to create a Mongolian version of the ICDL. The user countries of ICDL are aimed to identify economic impact of this technology and are aimed to use this website technology of online books in a variety of domains.

关键词： Digital libraries

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StoryBank: Mobile digital storytelling in a development context 09

StoryBank: Mobile digital storytelling in a development cont...

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27th International Conference Extended Abstracts on human Factors in Computing Systems, CHI 2009

作者： Frohlich, David M. Rachovides, Dorothy Riga, Kiriaki Edirisinghe, Eran Wickramanayaka, Dhammike Bhat, Ramnath Frank, Maxine Jones, Matt Harwood, Will Digital World Research Centre Faculty of Arts and Human Sciences University of Surrey Guildford GU2 7XH United Kingdom Department of Computer Science Loughborough University Holywell Park Loughborough LEI 1 3TU United Kingdom VOICES 9th Cross Indiranagar Bangalore India Future Interaction Technology Lab Swansea University Swansea SA2 8PP United Kingdom

ISBN: (纸本)9781605582474

Mobile imaging and digital storytelling currently support a growing practice of multimedia communication in the West. In this paper we describe a project which explores their benefit in the East, to support non-textual information sharing in an Indian village. Local audiovisual story creation and sharing activities were carried out in a one month trial, using 10 customized cameraphones and a digital library of stories represented on a village display. The findings show that the system was usable by a cross- section of the community and valued for its ability to express a mixture of development and community information in an accessible form. Lessons for the role of HC1 in this context are also discussed. Copyright 2009 ACM.

关键词： Digital libraries

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Image segment method based on color invariance of physical reflection model

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Jisuanji Xuebao/Chinese Journal of computers 2009年第2期32卷 282-287页

作者： Cai, Xun Meng, Xiang-Xu Hao, Xing-Wei Lian, Li Jiang, Long Human-Interaction and Virtual-Reality Research Department School of Computer Science and Technology Shandong University Jinan 250061 China

This paper proposes a new background segmentation method based on Phong reflection model for video surveillance system. The main goal of this method is to reduce the affections of the non-uniform illumination and specular reflection. The steps of this method include: First, the colour invariance of diffuse reflection was deduced and the diffuse component of the model was estimated;second, the specular factors and specular exponent of the specular component was calculated by following differential rules;third, based on the established model, the background segment is accomplished. The experimental results and the evaluation show that this method can not only be robust to the non-uniform lighting and the specular reflection of background surface, but also be applicable for real-time video surveillance system.

关键词： Color

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Filling out learning object metadata considering cultural contextualization

Filling out learning object metadata considering cultural co...

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IEEE International Conference on Systems, Man and Cybernetics

作者： David Buzatto Junia C. Anacleto Ana Luiza Dias Marcos Alexandre Rose Silva Johana M. R. Villena Aparecido Fabiano Pinatti de Carvalho Advanced Interaction Lab Computing Department Federal University of São Carlos (LIA-DC/UFSCar) São Carlos SP Brazil Department of Computer Science & Inf. Systems University of Limerick Limerick Ireland

This paper presents Cognitor, a common-sense aided framework for the cog-learn pattern language that aims to help content editors create and contextualize e-learning content through the generation of hyper documents that comprise pedagogical issues, producing learning objects (LO) compatible with the SCORM standard. Cog-Learn have been developed from learning and human-computer interaction (HCI) theories. The goal of Cognitor is to allow for the design of digital learning material with better organization of the content that will be explored by learners, aiming to make easier the interaction with it, addressing HCI issues, as well as the interaction between learners and teachers, addressing human-human interaction (HHI) issues. To reach that, it is important that the LO created in Cognitor be easy to reuse, helping creators to fill out the metadata aiming at addressing cultural issues related to the context in which the LO can be adopted and reused. For that, suggestions coming from a common sense knowledge base automatically appear in some SCORM metadata fields in order to help the task of filling out culturally contextualized metadata.

关键词： Filling Cultural differences Electronic learning human computer interaction computer science education Cybernetics USA Councils computer science Web pages computer aided instruction

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Relational reinforcement learning: Lifting propositional algorithms and size matters

OGAI Journal (Oesterreichische Gesellschaft fuer Artificial ...

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OGAI Journal (Oesterreichische Gesellschaft fuer Artificial Intelligence) 2008年第1期27卷 7-14页

作者： Van, Otterlo, Martijn Human Media Interaction Department of Computer Science University of Twente Netherlands

The field of relational reinforcement learning has reached its first decennium. The use of objects and relations as primary representations of states and actions introduces many new challenges and opportunities to scale the reinforcement learning paradigm to larger and more structured domains. In this paper we highlight some of the main dimensions, discuss important solution principles of both the model-based and the model-free setting, and furthermore, we briefly discuss some issues concerning domain sizes and upgrading existing propositional algorithms.

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An Articulation Training System with Intelligent Interface and Multimode Feedbacks to Articulation Disorders

An Articulation Training System with Intelligent Interface a...

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International Conference on Asian Language Processing (IALP)

作者： Yeou-Jiunn Chen Jiunn-Liang Wu Hui-Mei Yang Chung-Hsien Wu Chih-Chang Chen Shan-Shan Ju Department of Electrical Engineering Southern Taiwan University Tainan Taiwan Department of Otolaryngology National Cheng Kung University Hospital Tainan County Taiwan Department of Computer Science and Information Engineering National Cheng Kung University Tainan County Taiwan Human-Interaction Technology Center Industrial Technology and Research Institute Tainan County Taiwan

Articulation training with many kinds of stimulus and messages such as visual, voice, and articulatory information can teach user to pronounce correctly and improve user's articulatory ability. In this paper, an articulation training system with intelligent interface and multimode feedbacks is proposed to improve the performance of articulation training. Clinical knowledge of speech evaluation is used to design the dependent network. Then, automatic speech recognition with dependent network is applied to identify the pronunciation errors. Besides, hierarchical Bayesian network is proposed to recognize user's emotion from speeches. With the information of pronunciation errors and user's emotional state, the articulation training sentences can be dynamically selected. Finally, a 3D facial animation is provided to teach users to pronounce a sentence by using speech, lip motion, and tongue motion. Experimental results reveal the usefulness of proposed method and system.

关键词： Intelligent systems Feedback Automatic speech recognition computer errors Emotion recognition Industrial training Hospitals Bayesian methods Facial animation Tongue

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Effects of Internet use and social resources on changes in depression

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Information Communication and Society 2008年第1期11卷 47-70页

作者： Bessière, Katherine Kiesler, Sara Kraut, Robert Boneva, Bonka S. Human-Computer Interaction Institute Carnegie Mellon University Human Computer Interaction Institute Carnegie Mellon University Pittsburgh PA 15213 5000 Forbes Ave. United States Department of Computer Science and Human-Computer Interaction Carnegie Mellon University Department of Human-Computer Interaction Carnegie Mellon University University of Pittsburgh

We examine how people's different uses of the Internet predict their later scores on a standard measure of depression, and how their existing social resources moderate these effects. In a longitudinal US survey conducted in 2001 and 2002, almost all respondents reported using the Internet for information, and entertainment and escape;these uses of the Internet had no impact on changes in respondents' level of depression. Almost all respondents also used the Internet for communicating with friends and family, and they showed lower depression scores six months later. Only about 20 percent of this sample reported using the Internet to meet new people and talk in online groups. Doing so changed their depression scores depending on their initial levels of social support. Those having high or medium levels of social support showed higher depression scores;those with low levels of social support did not experience these increases in depression. Our results suggest that individual differences in social resources and people's choices of how they use the Internet may account for the different outcomes reported in the literature.

关键词： Depression Extraversion Internet uses Interpersonal interaction Longitudinal study Social resources Social support

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Extreme visualization: Squeezing a billion records into a Million Pixels 08

Extreme visualization: Squeezing a billion records into a Mi...

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2008 ACM SIGMOD International Conference on Management of Data 2008, SIGMOD'08

作者： Shneiderman, Ben Human-Computer Interaction Lab. Department of Computer Science University of Maryland College Park MD 20742 United States

ISBN: (纸本)9781605581026

Database searches are usually performed with query languages and form fill in templates, with results displayed in tabular lists. However, excitement is building around dynamic queries sliders and other graphical selectors for query specification, with results displayed by information visualization techniques. These filtering techniques have proven to be effective for many tasks in which visual presentations enable discovery of relationships, clusters, outliers, gaps, and other patterns. Scaling visual presentations from millions to billions of records will require collaborative research efforts in information visualization and database management to enable rapid aggregation, meaningful coordinated windows, and effective summary graphics. This paper describes current and proposed solutions (atomic, aggregated, and density plots) that facilitate sense-making for interactive visual exploration of billion record data sets. Copyright 2008 ACM.

关键词： Query languages

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