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Frame-Based Elicitation of Mid-Air Gestures for a Smart Home Device Ecosystem

Department of Product and Systems Design Engineering, University of the Aegean, 84100 Mytilene, Greece
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Informatics 2019, 6(2), 23; https://doi.org/10.3390/informatics6020023
Received: 22 March 2019 / Revised: 28 May 2019 / Accepted: 3 June 2019 / Published: 5 June 2019
If mid-air interaction is to be implemented in smart home environments, then the user would have to exercise in-air gestures to address and manipulate multiple devices. This paper investigates a user-defined gesture vocabulary for basic control of a smart home device ecosystem, consisting of 7 devices and a total of 55 referents (commands for device) that can be grouped to 14 commands (that refer to more than one device). The elicitation study was conducted in a frame (general scenario) of use of all devices to support contextual relevance; also, the referents were presented with minimal affordances to minimize widget-specific proposals. In addition to computing agreement rates for all referents, we also computed the internal consistency of user proposals (single-user agreement for multiple commands). In all, 1047 gestures from 18 participants were recorded, analyzed, and paired with think-aloud data. The study reached to a mid-air gesture vocabulary for a smart-device ecosystem, which includes several gestures with very high, high and medium agreement rates. Furthermore, there was high consistency within most of the single-user gesture proposals, which reveals that each user developed and applied her/his own mental model about the whole set of interactions with the device ecosystem. Thus, we suggest that mid-air interaction support for smart homes should not only offer a built-in gesture set but also provide for functions of identification and definition of personalized gesture assignments to basic user commands. View Full-Text
Keywords: frame-based; elicitation study; mid-air interaction; smart home; gesture proposal consistency; personalized gestures frame-based; elicitation study; mid-air interaction; smart home; gesture proposal consistency; personalized gestures
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MDPI and ACS Style

Vogiatzidakis, P.; Koutsabasis, P. Frame-Based Elicitation of Mid-Air Gestures for a Smart Home Device Ecosystem. Informatics 2019, 6, 23. https://doi.org/10.3390/informatics6020023

AMA Style

Vogiatzidakis P, Koutsabasis P. Frame-Based Elicitation of Mid-Air Gestures for a Smart Home Device Ecosystem. Informatics. 2019; 6(2):23. https://doi.org/10.3390/informatics6020023

Chicago/Turabian Style

Vogiatzidakis, Panagiotis; Koutsabasis, Panayiotis. 2019. "Frame-Based Elicitation of Mid-Air Gestures for a Smart Home Device Ecosystem" Informatics 6, no. 2: 23. https://doi.org/10.3390/informatics6020023

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