An artificial neural network for high precision eye movement tracking

Pomplun M, Velichkovsky BM, Ritter H (1994)
In: KI-94: Advances in Artificial Intelligence. 18th German Annual Conference on Artificial Intelligence Saarbrücken, Germany, September 18–23, 1994 Proceedings. Nebel B, Dreschler-Fischer L (Eds); Lecture Notes in Computer Science, 861. Berlin: Springer: 63-69.

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Author
; ;
Editor
Nebel, Bernhard ; Dreschler-Fischer, Leonie
Abstract
Research of visual cognition often suffers from very inexact methods of eye movement recording. A so-called eye tracker, fastened to the test person's head, yields information about pupil position and facing direction related to a computer monitor in front of the subject. It is now a software task to calculate the coordinates of the screen point the person is looking at. Conventional algorithms are not able to realize the required non-linear projection very precisely. Especially if the test person is wearing spectacles, the deviation may exceed 3 degrees of visual angle. In this paper a new approach is presented, solving the problem with a parametrized self-organizing map (PSOM). After a short calibration it reduces the average error to approximately 30 percent of its initial value. Due to its high efficiency (less than 150 μs per computation on a PC with a 486DX2-66 processor) it is perfectly suited for real-time application.
Publishing Year
Conference
18th German Annual Conference on Artificial Intelligence
Location
Saarbrücken
Conference Date
1994-09-18 – 1994-09-23
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Pomplun M, Velichkovsky BM, Ritter H. An artificial neural network for high precision eye movement tracking. In: Nebel B, Dreschler-Fischer L, eds. KI-94: Advances in Artificial Intelligence. 18th German Annual Conference on Artificial Intelligence Saarbrücken, Germany, September 18–23, 1994 Proceedings. Lecture Notes in Computer Science. Vol 861. Berlin: Springer; 1994: 63-69.
Pomplun, M., Velichkovsky, B. M., & Ritter, H. (1994). An artificial neural network for high precision eye movement tracking. In B. Nebel & L. Dreschler-Fischer (Eds.), Lecture Notes in Computer Science: Vol. 861. KI-94: Advances in Artificial Intelligence. 18th German Annual Conference on Artificial Intelligence Saarbrücken, Germany, September 18–23, 1994 Proceedings (pp. 63-69). Berlin: Springer.
Pomplun, M., Velichkovsky, B. M., and Ritter, H. (1994). “An artificial neural network for high precision eye movement tracking” in KI-94: Advances in Artificial Intelligence. 18th German Annual Conference on Artificial Intelligence Saarbrücken, Germany, September 18–23, 1994 Proceedings, ed. B. Nebel and L. Dreschler-Fischer Lecture Notes in Computer Science, vol. 861, (Berlin: Springer), 63-69.
Pomplun, M., Velichkovsky, B.M., & Ritter, H., 1994. An artificial neural network for high precision eye movement tracking. In B. Nebel & L. Dreschler-Fischer, eds. KI-94: Advances in Artificial Intelligence. 18th German Annual Conference on Artificial Intelligence Saarbrücken, Germany, September 18–23, 1994 Proceedings. Lecture Notes in Computer Science. no.861 Berlin: Springer, pp. 63-69.
M. Pomplun, B.M. Velichkovsky, and H. Ritter, “An artificial neural network for high precision eye movement tracking”, KI-94: Advances in Artificial Intelligence. 18th German Annual Conference on Artificial Intelligence Saarbrücken, Germany, September 18–23, 1994 Proceedings, B. Nebel and L. Dreschler-Fischer, eds., Lecture Notes in Computer Science, vol. 861, Berlin: Springer, 1994, pp.63-69.
Pomplun, M., Velichkovsky, B.M., Ritter, H.: An artificial neural network for high precision eye movement tracking. In: Nebel, B. and Dreschler-Fischer, L. (eds.) KI-94: Advances in Artificial Intelligence. 18th German Annual Conference on Artificial Intelligence Saarbrücken, Germany, September 18–23, 1994 Proceedings. Lecture Notes in Computer Science. 861, p. 63-69. Springer, Berlin (1994).
Pomplun, Marc, Velichkovsky, B. M., and Ritter, Helge. “An artificial neural network for high precision eye movement tracking”. KI-94: Advances in Artificial Intelligence. 18th German Annual Conference on Artificial Intelligence Saarbrücken, Germany, September 18–23, 1994 Proceedings. Ed. Bernhard Nebel and Leonie Dreschler-Fischer. Berlin: Springer, 1994.Vol. 861. Lecture Notes in Computer Science. 63-69.
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