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Ville Mäkelä, Mohamed Khamis, Lukas Mecke, Jobin James, Markku Turunen, Florian Alt
Pocket Transfers: Interaction Techniques for Transferring Content from Situated Displays to Mobile Devices
In CHI '18: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems. Montreal, QC, Canada, April 21 - 26, 2018. ACM, New York, NY, USA. (bib)

We present Pocket Transfers: interaction techniques that allow users to transfer content from situated displays to a personal mobile device while keeping the device in a pocket or bag. Existing content transfer solutions require direct manipulation of the mobile device, making interaction slower and less flexible. Our introduced techniques employ touch, midair gestures, gaze, and a multimodal combination of gaze and mid-air gestures. We evaluated the techniques in a novel user study (N=20), where we considered dynamic scenarios where the user approaches the display, completes the task, and leaves. We show that all pocket transfer techniques are fast and seen as highly convenient. Mid-air gestures are the most efficient touchless method for transferring a single item, while the multimodal method is the fastest touchless method when multiple items are transferred. We provide guidelines to help researchers and practitioners choose the most suitable content transfer techniques for their systems