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Anaglyph방식을 통한 3D 영상시청에 대한 입체시와 사위 및 자각증상 평가
허용수,유성환a,유성환b,김솔비,박찬용,김효진,강봉훈,이은희 대한시과학회 2012 대한시과학회지 Vol.14 No.4
Purpose : This study was performed to assess stereopsis, phorias and self-reported symptoms in before and after viewing Anaglyph 3D image. Methods : Study subjects were 56 university students and classified to two groups after stereopsis test; group A - stable to stereopsis, group B - unstable to stereopsis. We assessed the subjects'stereopsis, deviation before and after viewing Anaglyph type 3D image using red-green glasses for 30 minutes. Clinical tests were performed for phorias by von Graefe technique and for stereoacuity using the Titmus fly test. Result : The astigmatism of unstable group(Mean±SD: -1.05±0.73) was higher than that of stable group(Mean±SD: 0.52±0.40)(p < 0.005). The rate of exophoria was significantly higher in unstable group64%) than stable group(36%)(p < 0.01). The ability of stereopsis in viewing Anaglyph 3D image was significantly developed after viewing than before viewing with degrading 103.2 from 113.6 seconds of arc in unstable group(p < 0.05). The intensities of ocular symptoms and non-ocular symptoms was not significantly difference between both group with similar symptoms. Conclusion : Based on the result of this study, we found that the difficult people in ability of stereopsis have higher astigmatism and exophoria after viewing Anaglyph 3D image. 목 적 : 본 연구는 Anaglyph방식의 3D 입체영상물 시청 전·후에 나타나는 입체시와 사위 및 자각증상을 평가하고자 하였다. 방 법: 일부대학재학생56명을대상으로입체시검사결과에따라입체시안정그룹A군과입체시불안정그룹 B군으로 나누었다. 30분 동안 적록안경방식의 Anaglyph방식의 3D입체영상 시청 전·후 입체시를 평가하였다. 사위는 von Graefe 기법을 측정하였고, 입체시는 Titmus fly 검사를 이용하였다. 결 과 : 난시는 안정그룹(평균±표준편차: 0.52±0.40)보다 불안정그룹(평균±표준편차: -1.05±0.73)이 높은 난시도를 가지고 있는 것으로 나타났다(p < 0.005). 눈의 편위는 외사위가 안정그룹(36%)에 비해 불안정그룹에서 (64%)에서 유의하게 높은 분포를 보였다(p < 0.01). 3D영상 시청과 관련하여 불안정그룹의 입체시각이 113.6초에서 10.3.2초로 떨어짐으로써 시청전보다 시청후의 입체시 능력이 유의하게 향상되는 것으로 나타났다(p < 0.05). 시각적 증상과 비시각적 증상에서는 안정그룹과 불안정그룹 모두 비슷한 증상을보여 유의한 차이를 보이지 않았다. 결 론: 본 연구결과를 통해, Anaglyph방식의 3D 입체영상물 시청 후 입체시 능력이 어려운 사람일수록난시도수가 높고 외사위 경향이 있음을 알 수 있었다.
Anaglyph방식을 통한 3D 영상시청에 대한 입체시와 사위 및 자각증상 평가
허용수,유성환,유성환,김솔비,박찬용,김효진,강봉훈,이은희 대한시과학회 2012 대한시과학회지 Vol.14 No.4
목적: 본 연구는 Anaglyph방식의 3D 입체영상물 시청 전·후에 나타나는 입체시와 사위 및 자각증상을 평가하고자 하였다. 방법: 일부대학 재학생 56명을 대상으로 입체시검사결과에 따라 입체시 안정그룹 A군과 입체시 불안정 그룹 B군으로 나누었다. 30분 동안 적록안경방식의 Anaglyph방식의 3D입체영상 시청 전·후 입체시를 평 가하였다. 사위는 von Graefe 기법을 측정하였고, 입체시는 Titmus fly 검사를 이용하였다. 결과: 난시는 안정그룹(평균±표준편차: 0.52±0.40)보다 불안정그룹(평균±표준편차: -1.05±0.73) 이 높은 난시도를 가지고 있는 것으로 나타났다(p < 0.005). 눈의 편위는 외사위가 안정그룹(36%)에 비해 불 안정그룹에서 (64%)에서 유의하게 높은 분포를 보였다(p < 0.01). 3D영상 시청과 관련하여 불안정그룹의 입 체시각이 113.6초에서 10.3.2초로 떨어짐으로써 시청전보다 시청후의 입체시 능력이 유의하게 향상되는 것으로 나타났다(p < 0.05). 시각적 증상과 비시각적 증상에서는 안정그룹과 불안정그룹 모두 비슷한 증상을 보여 유의한 차이를 보이지 않았다. 결론: 본 연구결과를 통해, Anaglyph방식의 3D 입체영상물 시청 후 입체시 능력이 어려운 사람일수록 난시도수가 높고 외사위 경향이 있음을 알 수 있었다. Purpose: This study was performed to assess stereopsis, phorias and self-reported symptoms in before and after viewing Anaglyph 3D image. Methods: Study subjects were 56 university students and classified to two groups after stereopsis test; group A - stable to stereopsis, group B - unstable to stereopsis. We assessed the subjects` stereopsis, deviation before and after viewing Anaglyph type 3D image using red-green glasses for 30 minutes. Clinical tests were performed for phorias by von Graefe technique and for stereoacuity using the Titmus fly test. Result: The astigmatism of unstable group(Mean±SD: -1.05±0.73) was higher than that of stable group(Mean±SD: 0.52±0.40)(p < 0.005). The rate of exophoria was significantly higher in unstable group64%) than stable group(36%)(p < 0.01). The ability of stereopsis in viewing Anaglyph 3D image was significantly developed after viewing than before viewing with degrading 103.2 from 113.6 seconds of arc in unstable group(p < 0.05). The intensities of ocular symptoms and non-ocular symptoms was not significantly difference between both group with similar symptoms. Conclusion: Based on the result of this study, we found that the difficult people in ability of stereopsis have higher astigmatism and exophoria after viewing Anaglyph 3D image.
Methanol 가스에 대한 고분자 센서의 온도와 습도 영향 고찰
이경문,허용수,전희권,손성옥,허증수,Lee, K.M.,Hoh, Y.S.,Jun, H.K.,Sohn, S.O.,Huh, J.S. 한국재료학회 2003 한국재료학회지 Vol.13 No.12
The polypyrrole prepared with pyrrole monomer, APS and DBSA was synthesized by chemical Polymerization at $V^{\circ}C$ under atmosphere conditions. After dissolving polypyrrole powder to the chloroform including DBSA, polypyrrole film was prepared on the alumina substrate with an interdigitated electrode by using the dip-coating method. This film was soaked in methanol solvent for 1 h at room temperature and heated to $70^{\circ}C$ for 4 h in $N_2$. Initial resistance was increased with the increasing humidity and decreasing temperature. The sensitivity was increased with lower humidity and decreasing temperature. The best linearity was achieved at $25^{\circ}C$ and low humidity of 0%.
신형상 테크를 사용한 슬래브의 시공하중에 관한 실험적 연구
김상섭,허용수,김성진 한국기술교육대학교 2006 論文集 Vol.13 No.1
Increasing in use of deck plates is accelerated by a manpower shortage and the high cost of construction. Some of problems including fire resistance, waterproof, and low corrosion can be solved by development of new deck plates. This paper evaluates the structural performance of the Deck with Lath and Mortar which metal laths instead of galvanized steel sheet is covered by mortar.
박윤수,허용수,정승문 대한산업공학회 2016 대한산업공학회 춘계학술대회논문집 Vol.2016 No.4
In order to provide a good quality of electric power service to a user power techniques to infer a causal relationship in accordance with the situation and therefore the analysis of the data collected from the base environment is required. This study was designed based on the LOD energy platform with access to the information associated with the user to configure a common service architecture based on whether the IoT based power management and conditions are defined in the connection means between the data and based on this.
박윤수,허용수,정승문 한국경영과학회 2016 한국경영과학회 학술대회논문집 Vol.2016 No.4
In order to provide a good quality of electric power service to a user power techniques to infer a causal relationship in accordance with the situation and therefore the analysis of the data collected from the base environment is required. This study was designed based on the LOD energy platform with access to the information associated with the user to configure a common service architecture based on whether the IoT based power management and conditions are defined in the connection means between the data and based on this.