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. 2020 Sep 17;11:572938. doi: 10.3389/fpsyt.2020.572938

Figure 1.

Figure 1

Coordinate system of HTC VIVE Pro Eye, based on the manual of SRanipal SDK. (A) Coordinate system of eye tracking on VIVE Pro Eye. (B) Coordinate system of pupil position data from user's view. (C) Coordinate system of gaze direction vector from user's view.