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3rd IASTED International Conference on human-computer interaction, HCI 2008

作者： Ericson, Emily Smith, Shana Human-Computer Interaction Graduate Program Iowa State University Taipei United States Department of Mechanical Engineering National Taiwan University Taipei Taiwan

ISBN: (纸本)9780889867253

Injuries from residential fires are often overlooked as a dangerous safety concern for children. While lectures and classroom learning techniques can be effective in mitigating this risk, studies have shown that kids retain information better if they are allowed to practice escape techniques. Virtual Reality has been used to simulate situations that are too dangerous to practice in real life. This paper presents a fire safety program that combines classroom activities and small group interaction with fire professionals with a virtual simulation of an at-risk house. Students help firefighters to identify home fire hazards and then practice escaping from a simulated fire in a virtual environment. A CAVE is used to immerse participants in the fire scene.

关键词： Virtual reality

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Enhancing Multi-user interaction with Multi-touch Tabletop Displays Using Hand Tracking

Enhancing Multi-user Interaction with Multi-touch Tabletop D...

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International Conference on Advances in computer-human interaction

作者： K. C. Dohse Thomas Dohse Jeremiah D. Still Derrick J. Parkhurst Human Computer Interaction Program Iowa State University USA Computer Science Department Iowa State University USA

A rear-projection multi-touch tabletop display was augmented with hand tracking utilizing computer vision techniques. Touch detection by frustrated total internal reflection is useful for achieving interaction with tabletop displays, but the technique is not always reliable when multiple users in close proximity simultaneously interact with the display. To solve this problem, we combine touch detection and hand tracking techniques in order to allow multiple users to simultaneously interact with the display without interference. Our hope is that by considering activities occurring on and above a tabletop display, multiuser interaction will become more natural and useful, which should ultimately support collaborative work.

关键词： computer displays Cameras Optical reflection computer vision Skin human computer interaction computer science Psychology Interference Collaborative work

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Learning by diagramming Supreme Court oral arguments 07

Learning by diagramming Supreme Court oral arguments

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11th International Conference on Artificial Intelligence and Law

作者： Ashley, Kevin Pinkwart, Niels Lynch, Collin Aleven, Vincent LRDC School of Law University of Pittsburgh Pittsburgh PA United States Computer Science Institute Clausthal University of Technology Germany Intelligent Systems Program University of Pittsburgh Pittsburgh PA United States Human-Computer Interaction Institute Carnegie Mellon University Pittsburgh PA United States

ISBN: (纸本)1595936807

This paper describes an intelligent tutoring system, LARGO, that helps students learn skills of legal reasoning with hypotheticals by analyzing oral arguments before the US Supreme Court. The skills involve proposing a rule-like test for deciding a case, posing hypotheticals to challenge the rule, and responding by analogizing or distinguishing the hypotheticals and/or modifying the proposed test. Students diagram arguments in a special-purpose graphical language and receive feedback in the form of reflection questions. Copyright 2007 ACM.

关键词： Intelligent systems

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Negotiation and conflict in large scale collaboration: A preliminary field study

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Cognition, Technology and Work 2007年第3期9卷 171-176页

作者： Xiao, Yan Kiesler, Sara MacKenzie, Colin F. Kobayashi, Marina Plasters, Cheryl Seagull, F. Jacob Fussell, Susan Program in Trauma Department of Anesthesiology University of Maryland School of Medicine Baltimore MD 21201 685 W. Baltimore Street United States Human Computer Interaction Institute Carnegie Mellon University Pittsburg PA 15213-3891 United States National Study Center for Trauma and EMS University of Maryland School of Medicine MSTF-534 Baltimore MD 21201 685 W. Baltimore Street United States Carnegie Mellon University Human Computer Interaction Pittsburg PA 15213-3891 United States University of Maryland School of Medicine MSTF-534 Baltimore MD 21201 685 W. Baltimore Street United States Department of Surgery University of Maryland School of Medicine MSTF-534 Baltimore MD 21201 685 W. Baltimore Street United States

Coordinating activities in many settings can require people to manage conflict, potential and actual. Conflict arises from resource limitations, high-stakes consequences, uncertainty, goal conflict among stakeholders and hierarchical organizational structures. To understand coordination in such systems, we conducted a field study of management of surgical operating rooms. While coordinating interdependencies, such as progress monitoring, scheduling and rescheduling, and prodding, coordinators managed a set of complicated conflicts. They did so opportunistically, to resolve and to prevent conflict. Additionally, coordinators were concerned with perceived fairness. These findings indicate that, in the design of ICT to support coordination, we should examine not only the mechanical articulation of activities and efficient prioritization of resources, but also means to support companion social processes. © 2007 Springer-Verlag London Limited.

关键词： computer supported cooperative work Conflict Coordination Healthcare

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Perceptually adaptive rendering in immersive virtual reality 06

Perceptually adaptive rendering in immersive virtual reality

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International Conference on computer Graphics and Interactive Techniques, SIGGRAPH 2006

作者： Weaver, Kimberly Parkhurst, Derrick Human Computer Interaction Program Iowa State University United States

No abstract available.

ISBN: (纸本)1595933646

No abstract available.

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2006 ASME International Design Engineering Technical Conferences and computers and Information In Engineering Conference, DETC2006

作者： Jingsheng, Zhang Smith, Shana Human-Computer Interaction Graduate Program Iowa State University United States

ISBN: (纸本)079183784X

Shape matching is one of the fundamental problems in content-based 3D shape retrieval. Since there are typically a large number of possible matches in a shape database, there is a crucial need to perform shape matching efficiently. As a result, shapes must be reduced into a simpler shape representation, and computational complexity is one of the most important criteria for evaluating 3D shape representations. To meet the need, the investigators have implemented a new effective and efficient approach for 3D shape matching, which uses a simplified octree representation of 3D mesh models. The simplified octree representation was developed to improve time and space efficiency over prior representations. In addition, octree representations are rapidly becoming the standard file format for delivering 3D content across the Internet. The proposed approach stores octree information in XML files, rather than using a new data file type, to facilitate comparing models over the Internet. New methods for normalizing models, generating octrees, and comparing models were developed. The proposed approach allows users to efficiently exchange shape information and compare models over the Internet, in standardized data and data file formats, without transferring exact model files. The proposed approach is the first step in a project which will build a complete 3D model database and data retrieval system, which can be incorporated with other data mining techniques. Copyright © 2006 by ASME.

关键词： Pattern matching

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Augmented reality E-commerce assistant system: Designing while shopping

Augmented reality E-commerce assistant system: Designing whi...

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2006 ASME International Design Engineering Technical Conferences and computers and Information In Engineering Conference, DETC2006

作者： Yuzhu, Lu Smith, Shana Human Computer Interaction Program Iowa State University Ames IA United States

ISBN: (纸本)079183784X

Traditional electronic commerce (e-commerce) is facing a bottleneck because it cannot provide enough direct information about products to online consumers. The technology presented in this paper shows how Augmented Reality (AR) can be used to overcome the bottleneck and enhance e-commerce systems. The study also considers some key implementation issues. An AR e-commerce assistant system was developed, as an Internet plugin, which can be used on different kinds of computers and handheld devices when using the User-Centered Design method. Finally, a usability experiment was designed and a pilot test was also conducted, to compare the AR e-commerce assistant with traditional e-commerce and Virtual Reality (VR) e-commerce systems, and to verify that the AR e-commerce approach can be used to provide more direct information to online consumers. Results show that an AR e-commerce e-commerce system can provide more direct information about products than traditional or VR e-commerce systems. Copyright © 2006 by ASME.

关键词： Virtual reality

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Long-term relationships as a benchmark for robot personhood

Long-term relationships as a benchmark for robot personhood

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RO-MAN 2006 - The 15th IEEE International Symposium on Robot and human Interactive Communication

作者： MacDorman, Karl F. Cowley, Stephen J. IEEE Human-Computer Interaction Program School of Informatics Indiana University Department of Psychology University of Hertfordshire

ISBN: (纸本)1424405653

The human body constructs itself into a person by becoming attuned to the affective consequences of its actions in social relationships. Norms develop that ground perception and action, providing standards for appraising conduct. The body finds itself motivated to enact itself as a character in the drama of life, carving from its beliefs, intentions, and experiences a unique identity and perspective. If a biological body can construct itself into a person by exploiting social mechanisms, could an electromechanical body, a robot, do the same? To qualify for personhood, a robot body must be able to construct its own identity, to assume different roles, and to discriminate in forming friendships. Though all these conditions could be considered benchmarks of personhood, the most compelling benchmark, for which the above mentioned are prerequisites, is the ability to sustain long-term relationships. Long-term relationships demand that a robot continually recreate itself as it scripts its own future. This benchmark may be contrasted with those of previous research, which tend to define personhood in terms that are trivial, subjective, or based on assumptions about moral universais. Although personhood should not in principle be limited to one species, the most humanlike of robots will be best equipped for reciprocal relationships with human beings. ©2006 IEEE.

关键词： Robots

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VSARD: A low-cost augmented reality system for desktop applications 05

VSARD: A low-cost augmented reality system for desktop appli...

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International Conference on computer Graphics and Interactive Techniques, SIGGRAPH 2005

作者： Tian, Jiang Parkhurst, Derrick Human Computer Interaction Program Iowa State University United States

No abstract available.

ISBN: (纸本)9781450378260

No abstract available.

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openEyes: A low-cost head-mounted eye-tracking solution

openEyes: A low-cost head-mounted eye-tracking solution

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ETRA 2006 - Symposium on Eye Tracking Research and Applications

作者： Li, Dongheng Babcock, Jason Parkhurst, Derrick J. Human Computer Interaction Program Iowa State University Ames IA 50011

ISBN: (纸本)1595933050

Eye tracking has long held the promise of being a useful methodology for human computer interaction. However, a number of barriers have stood in the way of the integration of eye tracking into everyday applications, including the intrusiveness, robustness, availability, and price of eye-tracking systems. To lower these barriers, we have developed the openEyes system. The system consists of an open-hardware design for a digital eye tracker that can be built from low-cost off-the-shelf components, and a set of open-source software tools for digital image capture, manipulation, and analysis in eye-tracking applications. We expect that the availability of this system will facilitate the development of eye-tracking applications and the eventual integration of eye tracking into the next generation of everyday human computer interfaces, We discuss the methods and technical challenges of low-cost eye tracking as well as the design decisions that produced our current system. © 2006 ACM.

关键词： Eye movements

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