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Objective metrics of engagement are valuable for estimating user experience or progression through interactional narratives. Postural micromovements of seated individuals during computer engagement have been previously measured with magnetic field sensors and chair-mounted force matrix detection mats. Here we compare readings from a head-mounted(More)
Discrete, three-minute, computer-presented stimuli (designed to range from engaging to incredibly boring) were used to elicit changes in cognitive/emotional states in seated, healthy volunteers. These stimuli did not require the use of a mouse, so movements were assumed to be non- instrumental. Stimuli included films, games, quizzes and music. Motion(More)
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In this paper, we investigate the influence of music on human walking behaviors in a public setting monitored by surveillance cameras. To this end, we propose a novel algorithm to characterize the frequency and phase of the walk. It relies on a human-by-detection tracking framework, along with a robust fitting of the human head bobbing motion. Preliminary(More)
The traditional position in human-computer interaction usability studies is that confusion is anathema -- an entirely undesirable experience. But in art, gaming, and experience design, confusion can be a contributing factor to immersion and engagement. For this to occur, the prerequisites are some of the properties of play: agency, delineation in time (and(More)
License (open-access): This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. No warranty, express or implied, is given. Nor is any representation made that the contents will be complete(More)
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