Assistive techniques for precise touch interaction in handheld augmented reality environments (2012)
Type of ContentConference Contributions - Published
PublisherUniversity of Canterbury. Human Interface Technology Laboratory
Recent advances in mobile computing and augmented reality (AR) technology have lead to popularization of mobile AR applications. Touch screen interfaces are common in mobile devices, and are also widely used in AR applications running on mobile devices, such as smartphones. However, due to unsteady camera view movement in handheld AR environment, it is hard to carry out precise interactions, such as drawing, especially when tracing physical objects. In this paper, we investigate two types of interaction techniques, Freeze-Set-Go and Snap-To-Feature, that help users to perform more accurate touch screen based AR interactions. The two techniques are compared in a user experiment with a task of tracing physical objects, which can be encountered when making annotation on or modeling physical objects within the AR scene. The results from the experiment show that a combination of these two makes a significant difference in accuracy and usability of touch screen based AR interaction.
CitationLee, G.A., Billinghurst, M. (2012) Assistive techniques for precise touch interaction in handheld augmented reality environments. Singapore: 11th ACM SIGGRAPH International Conference on Virtual-Reality Continuum and its Applications in Industry (VRCAI'12), 2-4 Dec 2012. Proceedings, 279-286.
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Keywordsaugmented reality; touch screen interface; annotation; freeze; snap
ANZSRC Fields of Research08 - Information and Computing Sciences::0801 - Artificial Intelligence and Image Processing::080111 - Virtual Reality and Related Simulation
46 - Information and computing sciences::4606 - Distributed computing and systems software::460608 - Mobile computing
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Freeze view touch and finger gesture based interaction methods for handheld augmented reality interfaces Bai, H.; Lee, G.A.; Billinghurst, Mark (University of Canterbury. Human Interface Technology Laboratory, 2012)Interaction techniques for handheld mobile Augmented Reality (AR) often focus on device-centric methods based around touch input. However, users may not be able to easily interact with virtual objects in mobile AR scenes ...
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