EyeInfo Research Group

Article published on Digital Creativity
Volume: 16
Issue: 4
Date: Aug. 2005
Publisher: Taylor & Francis
ISBN/ISSN: 1462-6268
Pages: 193-204
DOI Bookmark: 10.1080/14626260500476523

Authors:
Tore Vesterby, IT University of Copenhagen
Jonas C. Voss, IT University of Copenhagen
John Paulin Hansen, IT University of Copenhagen
Dan Witzner Hansen
, IT University of Copenhagen
Mark Rudolph, IT University of Copenhagen

Abstract:
The idea of gaze-interactive moviesisillustrated by a simple example movie that unfolds non-deterministically via an analysis of the interest of the viewer measured by theinterpretedinput from an eye tracker. We demonstrate how the amount of relative attention paid to key subjects of narrativeimportance may guide the outcome of a narrative branching. An experiment was conducted to test the operation of gaze guided film. The experiment involved 11 subjects influencing a two-minute film clip by gaze in two scenarios. In the first case subjects were aware that gaze could be used to control the narrative, and in the second case the subjects were unaware of this control. The outcome was found to be quite uniform across subjects, and it was not influenced by repetitions or by knowledge about the controloption. Comments from the aware users indicated that they were looking for confirmation of gaze selections from the system. Thus, non-intrusive feedback seems to be fundamental for a successful gaze-interactive media. We suggest a range of discrete audio and visual effects that may serve this purpose and present some narrative control principles.

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