Abstract

This work presents an evaluation of the joint interaction of eye tracking and head tracking in a 3D information visualization environment. In this context, it was conducted a task-based evaluation of the interactions, in a prototype using 3D scatter plots, such as navigation, selection, filters, and other typical interactions of an information visualization tool. The tasks mentioned were performed through interactions using head tracking for navigation and eye tracking for selection, and they were evaluated according to quantitative metrics (time and response of a questionnaire) and qualitative (extracted using the Think-Aloud Protocol). The results show that the click by blinking configuration was unstable, but the head tracking as a form of navigation showed a greater accuracy in the interaction.

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