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시각적 피로도에 영향을 미치는 시청거리와 깊이방향의 운동속도
감기택 ( Kee Taek Kham ),이형철 ( Hyung Chul O. Li ),이승현 ( Seung Hyun Lee ) 한국감성과학회 2009 감성과학 Vol.12 No.2
The present study have investigated the effect of the characteristics of stereoscopic images and viewing environment on visual fatigue. We manipulated the speed of stereo images with motion-in-depth and viewing distance, which were used as representative variables of the characteristics of stereo image and viewing environment, respectively. Visual fatigue was evaluated with use of a subjective questionnaire which is consisting of 5 different and independent factors: Eye pain, Visual stress, Nauseousness, Body stiffness, and Blurriness. In general, when viewing time increased from 10 minutes to 20 and 40 minutes, observers felt severe visual fatigue. Among other factors, only the factor score of Nauseousness was significantly increased as the speed of object moving in depth became faster. When viewing distance was increased, the score of Blurriness was decreased. These results suggest that different kind of the visual fatigue might be induced depending on characteristics of the stereo images and viewing environment.