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Proceedings Paper

Effect of overlap rate between stereoscopic images on performance in a teleoperation
Author(s): Kazunori Shidoji; Katsuya Matsunaga; Ryusuke Watanabe; Tomohide Yamamoto; Kazuaki Goshi; Yuji Matsuki
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Paper Abstract

According to the results of the simulated teleoperation experiment, the larger the ratio of the overlapping area of stereoscopic images, the smaller the completion times and the number of errors. For this paper we did an experiment using the actual stereoscopic video system. We examined the performance of the teleoperation of an insert task in two experiments. In experiment 1, we set three fixed overlap rate conditions for the stereoscopic image pairs. (High overlap rate condition): The convergence point of the two cameras was set at the goal point where a cylindrical object was inserted. When subjects fixated their eyes on the goal point, the overlap rate of the images from the cameras was 95%. (Middle overlap rate condition): The convergence point of the cameras was set at the center of the working area. When subjects fixated their eyes on the goal points, it was 76.7%. (Low overlap rate condition): Convergence point of the camera was set at the point in the situation where the ratio of the overlapped area was 49% when subjects fixated to the goal point. Completion times and the numbers of errors of the insert task were measured. As a result, these were smallest at the high overlap rate condition. In experiment 2, we compared the performance between a fixed and a variable overlap rate conditions in a pick-and-insert task. The experimental results suggested that the number of errors of variable overlap rate condition was less than that of the fixed condition although the completion time of the former condition was not shorter than that of the latter condition.

Paper Details

Date Published: 22 June 2001
PDF: 8 pages
Proc. SPIE 4297, Stereoscopic Displays and Virtual Reality Systems VIII, (22 June 2001); doi: 10.1117/12.430833
Show Author Affiliations
Kazunori Shidoji, Kyushu Univ. (Japan)
Katsuya Matsunaga, Kyushu Univ. (Japan)
Ryusuke Watanabe, Kyushu Univ. (Japan)
Tomohide Yamamoto, Kyushu Univ. (Japan)
Kazuaki Goshi, Kyushu Univ. (Japan)
Yuji Matsuki, Kyushu Univ. (Japan)


Published in SPIE Proceedings Vol. 4297:
Stereoscopic Displays and Virtual Reality Systems VIII
Mark T. Bolas; Andrew J. Woods; Mark T. Bolas; John O. Merritt; Stephen A. Benton, Editor(s)

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