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Proceedings Paper

Production and evaluation of stereoscopic video presentation in surgical training
Author(s): Justus Ilgner; Takashi Kawai; Martin Westhofen; Takashi Shibata
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Paper Abstract

Stereoscopic video teaching can facilitate understanding for current minimally-invasive operative techniques. This project was created to set up a digital stereoscopic teaching environment for training of ENT residents and medical students. We recorded three ENT operative procedures (tympanoplasty, paranasal sinus operation and laser chordectomy) at the University Hospital Aachen. The material was edited stereoscopically at the Waseda University and converted into a streaming 3-D video format, which does not depend on PAL or NTSC signal standards. Video clips were evaluated by 5 ENT specialists and 11 residents in single sessions on an LCD monitor (8) and a CRT monitor (8). Emphasis was laid on depth perception, visual fatigue and time to achieve stereoscopic impression. Qualitative results were recorded on a visual analogue scale, ranging from 1 (excellent) to 5 (bad). The overall impression was rated 2,06 to 3,13 in the LCD group and 2,0 to 2,62 in the CRT group. The depth impression was rated 1,63 to 2,88 (LCD) and 1,63 to 2,25 (CRT). Stereoscopic video teaching was regarded as useful in ENT training by all participants. Further points for evaluation will be the quantification of depth information as well as the information gain in teaching junior colleagues.

Paper Details

Date Published: 21 May 2004
PDF: 10 pages
Proc. SPIE 5291, Stereoscopic Displays and Virtual Reality Systems XI, (21 May 2004); doi: 10.1117/12.524274
Show Author Affiliations
Justus Ilgner, Aachen Univ. Hospital (Germany)
Takashi Kawai, Waseda Univ. (Japan)
Martin Westhofen, Aachen Univ. Hospital (Germany)
Takashi Shibata, Waseda Univ. (Japan)


Published in SPIE Proceedings Vol. 5291:
Stereoscopic Displays and Virtual Reality Systems XI
Mark T. Bolas; Andrew J. Woods; John O. Merritt; Stephen A. Benton, Editor(s)

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