Figure 3
From: Evaluation of an eye tracking setup for studying visual attention in face-to-face conversations
Accuracy for a 2D and a 3D stimulus. (a) In a cross-over design half of the sample started with 2D stimulus. During the 5 min break participants stood up and left the room. (b) Participants were instructed to fixate on the eyes, nose, and mouth. (c) Accuracy for the different facial landmarks in degrees visual angle. Black lines represent mean values. Lower values represent better accuracy.
