Being able to debate, reflect, form opinions, consider counter evidence and make informed decisions is a foundation of civic life in democratic societies. Government benefits from broad participation in collective dec...
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We designed a collaborative navigation interface in which one user (the controller) guides a second, remote user (the navigator) through a 3D game environment. Both sides of the interface use commercially available ga...
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We designed a collaborative navigation interface in which one user (the controller) guides a second, remote user (the navigator) through a 3D game environment. Both sides of the interface use commercially available gaming hardware. The controller uses full-body gestures to send navigation cues to the navigator, who travels through the environment using typical 3D gaming controls. In an exploratory study, all participants completed the game scenario, and they viewed the system as usable and fun overall, although the limited communication provided by the system was somewhat of a hindrance to collaboration. Navigators, who were led to believe they were being guided by an intelligent system, did not guess that guidance was provided by another human, and felt that an "intelligent system" would typically be more consistent than a human being.
In trying to address pressing community needs in the face of dwindling resources, many government agencies, local community groups, and members of the public have formed symbiotic partnerships at local and state level...
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This special interest group provides the forum for an unofficial gathering of the Child-computerinteraction community for CHI 2012. Its aim is to provide a venue for structured discussions and networking. Particularl...
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A wide range of applications can benefit from the measurement of facial activity. The current study presents a method that can be used to detect the movements of different parts of the face and expressions that they f...
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We propose an image search system for flowers on a mobile phone. Mobile phones have more limited resources than desktop computers in terms of CPU, RAM and data storage. The database that we created has 45 classes. We ...
We propose an image search system for flowers on a mobile phone. Mobile phones have more limited resources than desktop computers in terms of CPU, RAM and data storage. The database that we created has 45 classes. We used 182 training images and 246 test images. We used an HSV histogram as a color feature. The accuracy rate using only color features was 44.86% with radius C=20. We use SURF as a shape feature. The accuracy rate using only shape-based featurewas 47.31% with SURF vectors S=25. We combine both color and shape features to achieved accuracy 61.61%.
We are proposing a SIG designed for human-computerinteraction for Development (HCI4D) Community. It is designed to foster further collaboration, dissemination of research results and findings from practitioners, as w...
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ISBN:
(纸本)9781450318990
We are proposing a SIG designed for human-computerinteraction for Development (HCI4D) Community. It is designed to foster further collaboration, dissemination of research results and findings from practitioners, as well as to promote discussion of how we can both learn from each other and from those we serve in underserved communities wherever they may be.
To increase the scalability of cloud computing, utilizing resources of individual users has been widely adopted especially in video streaming services. Accurately predicting behavior of user nodes is critical to achie...
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Efficient analysis of event sequences and the ability to answer time-related, clinically important questions can accelerate clinical research in several areas such as causality assessments, decision support systems, a...
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Adolescents in today's society are becoming increasingly less active, contributing to a rising obesity rate. With this epidemic as motivation, and the use of smart phones by youth as opportunity, a suite of Androi...
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Adolescents in today's society are becoming increasingly less active, contributing to a rising obesity rate. With this epidemic as motivation, and the use of smart phones by youth as opportunity, a suite of Android Applications was developed to promote physical activity among this population.
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