Virtual Projection: Exploring Optical Projection As a Metaphor for Multi-device Interaction. Baur, D., Boring, S., & Feiner, S. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, of CHI '12, pages 1693--1702, New York, NY, USA, 2012. ACM. 00012![Virtual Projection: Exploring Optical Projection As a Metaphor for Multi-device Interaction [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Handheld optical projectors provide a simple way to overcome the limited screen real-estate on mobile devices. We present virtual projection (VP), an interaction metaphor inspired by how we intuitively control the position, size, and orientation of a handheld optical projector's image. VP is based on tracking a handheld device without an optical projector and allows selecting a target display on which to position, scale, and orient an item in a single gesture. By relaxing the optical projection metaphor, we can deviate from modeling perspective projection, for example, to constrain scale or orientation, create multiple copies, or offset the image. VP also supports dynamic filtering based on the projection frustum, creating overview and detail applications, and selecting portions of a larger display for zooming and panning. We show exemplary use cases implemented using our optical feature-tracking framework and present the results of a user study demonstrating the effectiveness of VP in complex interactions with large displays.
@inproceedings{baur_virtual_2012,
address = {New York, NY, USA},
series = {{CHI} '12},
title = {Virtual {Projection}: {Exploring} {Optical} {Projection} {As} a {Metaphor} for {Multi}-device {Interaction}},
isbn = {978-1-4503-1015-4},
shorttitle = {Virtual {Projection}},
url = {http://doi.acm.org/10.1145/2207676.2208297},
doi = {10.1145/2207676.2208297},
abstract = {Handheld optical projectors provide a simple way to overcome the limited screen real-estate on mobile devices. We present virtual projection (VP), an interaction metaphor inspired by how we intuitively control the position, size, and orientation of a handheld optical projector's image. VP is based on tracking a handheld device without an optical projector and allows selecting a target display on which to position, scale, and orient an item in a single gesture. By relaxing the optical projection metaphor, we can deviate from modeling perspective projection, for example, to constrain scale or orientation, create multiple copies, or offset the image. VP also supports dynamic filtering based on the projection frustum, creating overview and detail applications, and selecting portions of a larger display for zooming and panning. We show exemplary use cases implemented using our optical feature-tracking framework and present the results of a user study demonstrating the effectiveness of VP in complex interactions with large displays.},
urldate = {2014-05-19TZ},
booktitle = {Proceedings of the {SIGCHI} {Conference} on {Human} {Factors} in {Computing} {Systems}},
publisher = {ACM},
author = {Baur, Dominikus and Boring, Sebastian and Feiner, Steven},
year = {2012},
note = {00012},
pages = {1693--1702}
}
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