Production and evaluation of stereoscopic video presentation in surgical training

Justus Ilgner M.D.; Takashi Kawai; Martin Westhofen M.D.; Takashi Shibata

doi:10.1117/12.524274

21 May 2004 Production and evaluation of stereoscopic video presentation in surgical training

Justus Ilgner M.D., Takashi Kawai, Martin Westhofen M.D., Takashi Shibata

Proceedings Volume 5291, Stereoscopic Displays and Virtual Reality Systems XI; (2004) https://doi.org/10.1117/12.524274
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

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.

Citation Download Citation

Justus Ilgner M.D., Takashi Kawai, Martin Westhofen M.D., and Takashi Shibata "Production and evaluation of stereoscopic video presentation in surgical training", Proc. SPIE 5291, Stereoscopic Displays and Virtual Reality Systems XI, (21 May 2004); https://doi.org/10.1117/12.524274

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