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dc.contributor.authorSong, Pengen
dc.contributor.authorGoh, Wooi Boonen
dc.contributor.authorLiu, Xiaopeien
dc.contributor.authorHutama, Williamen
dc.contributor.authorFu, Chi-Wingen
dc.identifier.citationSong, P., Goh, W. B., Hutama, W., Fu, C. W.,& Liu, X. (2012). A handle bar metaphor for virtual object manipulation with mid-air interaction. Proceedings of the 2012 ACM annual conference on Human Factors in Computing Systems - CHI '12.en
dc.description.abstractCommercial 3D scene acquisition systems such as the Microsoft Kinect sensor can reduce the cost barrier of realizing mid-air interaction. However, since it can only sense hand position but not hand orientation robustly, current mid-air interaction methods for 3D virtual object manipulation often require contextual and mode switching to perform translation, rotation, and scaling, thus preventing natural continuous gestural interactions. A novel handle bar metaphor is proposed as an effective visual control metaphor between the user's hand gestures and the corresponding virtual object manipulation operations. It mimics a familiar situation of handling objects that are skewered with a bimanual handle bar. The use of relative 3D motion of the two hands to design the mid-air interaction allows us to provide precise controllability despite the Kinect sensor's low image resolution. A comprehensive repertoire of 3D manipulation operations is proposed to manipulate single objects, perform fast constrained rotation, and pack/align multiple objects along a line. Three user studies were devised to demonstrate the efficacy and intuitiveness of the proposed interaction techniques on different virtual manipulation scenarios.en
dc.subjectDRNTU::Engineering::Computer science and engineeringen
dc.titleA handle bar metaphor for virtual object manipulation with mid-air interactionen
dc.typeConference Paperen
dc.contributor.schoolSchool of Computer Engineeringen
dc.contributor.conferenceConference on Human Factors in Computing Systems (2012 : Austin, USA)en
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