Figure 2
From: The psychophysics of human three-dimensional active visuospatial problem-solving
(A) Illustration of TEOS objects used as stimuli. The set is split into three different complexity levels. Complexity is defined as the number of blocks used to build an object. (B) Expanded view drawing of the custom clip-on tracking equipment. It uses 8 rotationally variant positioned tracking markers to avoid ambiguities. (C) Photograph of the assembled eye tracking glasses with tracking equipment.
