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메타버스의 수업활용에 관한 사용자 경험 분석 - 스페이셜(Spatial)을 중심으로 -
이예진,정광태,Lee, Yejin,Jung, Kwang-Tae 한국실천공학교육학회 2022 실천공학교육논문지 Vol.14 No.2
In this study, the user experience was analyzed from the learner's point of view, focusing on the metaverse platform 'Spatial'. SUS(System Usability Scale) was used to evaluate the usability of the metaverse platform 'Spatial' in a college class, and the Magnitude estimation technique was used to evaluate the immersion and satisfaction with the class. In addition, a questionnaire survey was used to collect user experience opinions on the use of 'Spatial' as a teaching tool. Looking at the usability evaluation results of the 'Spatial' system, the students evaluated the usability, immersion, and satisfaction quite positively. Looking at the user experience of metaverse platform 'Spatial', it was found that students highly valued Metaverse as an educational tool that can provide a place for many people to gather and communicate even in a non-face-to-face space. Compared to other online platforms, metaverse has advantages in ease of use, interaction, immersion, and interest. In particular, in addition to keyboard, touch, and display, interaction using the five senses such as voice, motion, and gaze was recognized as a great advantage. On the other hand, it was found that high openness, freedom, and interest factors can both promote learning and inhibit learning. Nevertheless, it is judged that the metaverse platform 'Spatial' can be effectively applied in college classes because it enables various interactions between instructor and learner or between learner and learner.
2D 패턴 축소율과 신축성 소재 특성이 3D 의복 변형에 미치는 영향
이예진(Yejin Lee),이병철(Byungcheol Lee) 한국생활환경학회 2012 한국생활환경학회지 Vol.19 No.2
2D pattern-making of stretch clothing is difficult because different elongations of fabrics on a 3D body make various clothing deformations which lead to change in original design and function of the clothing. Therefore, quantitative analysis of relations between 2D pattern and clothing deformation on a 3D body is an important topic of interest both for industry and academia. In this study, the effects of 2D pattern reduction rate and fabric elasticity were investigated by measuring how the points on a 2D pattern are correlated with the location change of the points on a 3D female dress form. 14 different sample trousers were tested with two different kinds of fabrics. The reference sample trousers have no ease allowance, and the other samples were made with different grading reduction rate based on the reference. The reduction rate was varied from 10 to 20% in the width direction and from 5 to 15% in the length direction. Representative points were selected in the 2D pattern and location changes of the points on a 3D dress form were measured. The correlations between 2D and 3D coordinates were analyzed by monitoring the location change of each point. The reduction of 2D pattern leads to different position change on the 3D dress form and the influences of pattern reduction rate is much higher than that of fabric property. Comparing to the width direction, the reduction rate of length direction shows much higher correlation along the length direction.