Scenario Screen: A Dynamic and Context Dependent P300 Stimulator Screen Aimed at Wheelchair Navigation Control

Figure 3

Scenario screen. In this instance, eight markers are arranged in landmarks as follows: five on the floor, two on wall signs, and one on a door. Four markers placed at corners were reserved for other tasks. The background is an unprocessed RGB image of a corridor in the research building.

(a) Stimulation screen with no stimulus presentation

(b) Stimulation screen showing a single marker stimulus