A key theme in ubiquitous computing is to create easy-to-use smart environments in which there is a seamless integration of people, user experience, information, and physical reality. The next generation of ultra-portable handheld projectors is paving the way in this direction, as it develops to its pinnacle. When coupled with appropriate tracking technologies, this technology can extend user experience beyond the confines of the device itself to encompass the physical properties of environment. In this paper, we introduce a projection-based augmented reality framework that aims at facilitating the creation of augmented environments where digital content is snapped to objects around the user. We extend previous literature with a projection-oriented framework that leverages on handheld projectors to seamless combine physical interactions with projection-based content snapped to real objects, while solving inherent issues related to use of projective technology. To evaluate the relevance and impact of this study, we discuss a few application scenarios that are enabling this interaction paradigm.
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关键词
Projection-based augmented environments,Augmented reality,Tangible user interface,Handheld projectors