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|Title:||Focus-plus-context techniques for picoprojection-based interaction|
|Keywords:||Focus plus context;Spatial augmented reality;Zooming interfaces;Projection based systems|
|Citation:||IEEE Transactions on Multimedia, 19(7): pp. 1521 - 1530, (2017)|
|Abstract:||In this paper, we report on novel zooming interface methods that deploy a small handheld projector. Using mobile projections to visualize object/environment-related information on real objects introduces new aspects for zooming interfaces. Different approaches are investigated that focus on maintaining a level of context while exploring detailed information. Doing so, we propose methods that provide alternative contextual cues within a single projector and deploy the potential of zoom lenses to support a multilevel zooming approach. Furthermore, we look into the correlation between pixel density, distance to the target, and projection size. Alongside these techniques, we report on multiple user studies, in which we quantified the projection limitations and validated various interactive visualization approaches. Thereby, we focused on solving issues related to pixel density, brightness, and contrast that affect the design of more effective legible zooming interfaces for handheld projectors.|
|Appears in Collections:||Dept of Computer Science Research Papers|
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