Context switching as a selection mechanism for gaze based interfaces
AREThA: gaze interaction for the internet of things through augmented reality
Gaze-Based Interaction in Wearable Computing: an interface for the Internet of Things
Grant number: | 11/00267-1 |
Support Opportunities: | Regular Research Grants |
Start date: | December 01, 2011 |
End date: | November 30, 2013 |
Field of knowledge: | Physical Sciences and Mathematics - Computer Science - Computer Systems |
Principal Investigator: | Carlos Hitoshi Morimoto |
Grantee: | Carlos Hitoshi Morimoto |
Host Institution: | Instituto de Matemática e Estatística (IME). Universidade de São Paulo (USP). São Paulo , SP, Brazil |
Abstract
Gaze based interfaces use eye gaze trackers as input devices. Such devices estimate the position of the user's gaze on the surface of the computer display. When the gaze position is used to control the cursor, pointing at interface objects can be done very naturally though the selection of objects ("clicking'' using the eye) becomes a challenge. One of the most used methods for gaze selection, due to its simplicity, is dwell time. The idea is that the user must hold her gaze at an object for a certain dwell time, for selection to occur. When the dwell is long, the interface becomes slow and, when it is too short, then every object can be accidentally activated. This problem is know as the Midas touch.This project will investigate context switching as a new selection paradigm for gaze based interaction. This paradigm was recently introduced by our research group as an alternative solution to the current problems with the dwell time based gaze interfaces. The new paradigm offers more comfort because it eliminates the Midas touch problem, and faster interaction because it associates selection to a fast eye movement.As an outcome of this research, more efficient and general purpose gaze control computer applications will be built. This technology will facilitate the communication of people with disabilities, allowing them better social integration. All applications will be available as open source software. (AU)
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