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Comparing estimated gaze depth in virtual and physical environments
Andrew T. Duchowski, Donald H. House, Jordan Gestring, Robert Congdon, Lech Swirski, Neil A. Dodgson, Krzysztof Krejtz, Izabela Krejtz
Proceedings of the Symposium on Eye Tracking Research and Applications, 2014, pp. 103--110.

Abstract: We show that the error in 3D gaze depth (vergence) estimated from binocularly-tracked gaze disparity is related to the viewing distance of the screen calibration plane at which 2D gaze is recorded. In a stereoscopic (virtual) environment, this relationship is evident in gaze to target depth error: vergence error behind the screen is greater than in front of the screen and is lowest at the screen depth. In a physical environment, with no accommodation-vergence conflict, the magnitude of vergence error in front of the 2D calibration plane appears reversed, increasing with distance from the viewer.

Article URL: http://doi.acm.org/10.1145/2578153.2578168

BibTeX format:

@inproceedings{10.1145-2578153.2578168,
  author = {Andrew T. Duchowski and Donald H. House and Jordan Gestring and Robert Congdon and Lech Swirski and Neil A. Dodgson and Krzysztof Krejtz and Izabela Krejtz},
  title = {Comparing estimated gaze depth in virtual and physical environments},
  booktitle = {Proceedings of the Symposium on Eye Tracking Research and Applications},
  pages = {103--110},
  year = {2014},
}

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