Abstract: An interaction mechanism is defined for the navigation of a representation of a physical space, whereby events or entities of interest outside the current view are detected, and flagged by adding a visual indicator at or near the edge of the view closest to the entity in question. By designating the visual indicator, for example with a mouse click or by directing the user's gaze at the visual indicator, the representation is prompted to modify the representation to include the space incorporating the entity of interest. The point of view may revert to the initial point of view on a further user action or after a predetermined time, or the original point of view may be flagged as a new entity of interest which the user may then select. Multiple points of interest may be defined such that the user may jump from point to point.

Abstract: A zoom operation in an eye tracking based graphical user interface, where the zoom operation, as initiated by a scroll wheel etc. takes place with respect to the focus of the user's attention as determined on the basis of eye tracking data. Mechanisms for determining the point of attention based on a sliding window recording point of regard and subject to a variety of weighting functions are proposed.