Journal of Broadcast Engineering (방송공학회논문지)

The Korean Institute of Broadcast and Media Engineers (한국방송∙미디어공학회)
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Effects of Image Resolution and HMD Luminance on Virtual Reality Viewing Experience

영상의 해상도와 HMD의 휘도가 가상현실 시청 경험에 미치는 영향

  • Lee, Hyejin (Dept. of Journalism and Communication, Kwang-woon University) ;
  • Chung, Donghun (School of Communications, Kwang-woon University)
  • 이혜진 (광운대학교 신문방송학과) ;
  • 정동훈 (광운대학교 미디어영상학부)
  • Received : 2017.09.08
  • Accepted : 2017.12.14
  • Published : 2018.01.30
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Abstract

The research investigated the interaction effect of video resolution and device luminance on the perceived characteristics, presence, and fatigue viewing virtual reality. Experiments were composed of mixed design, and the resolution and luminance were classified into three types, HD, 2K, and 4K, and 20, 60, and 100, respectively. Participants watched video of 6-minutes randomly, and responded to the questionnaire after watching each video. The results showed that no interaction effect existed. Meanwhile, there are statistically significant differences on the luminance of depth perception, the resolution of visual intervention, and the resolution of adjustment fatigue. Also, higher resolution and luminance showed higher cognitive function, presence and fatigue.

본 연구는 영상의 해상도와 디바이스의 휘도가 다르게 제시된 가상현실 영상 시청 시, 인지된 특성, 프레즌스 그리고 피로도에 미치는 효과를 확인하고자 하였다. 실험은 혼합 설계로 구성되었으며, 해상도는 HD, 2K, 4K의 3가지, 휘도는 20, 60, 100의 3가지로 분류하였다. 모든 실험 참여자들은 2분 분량의 영상 3편, 총 6분의 영상을 시청하였으며, 각각의 영상 시청 후 설문에 응답하였다. 해상도와 휘도 사이의 상호작용 효과를 보고자 하였으나, 해상도와 휘도 간의 상호작용은 보이지 않았다. 해상도와 휘도의 주효과를 분석한 결과, 깊이지각감의 휘도, 시관관여의 해상도 그리고 조절피로의 해상도에 통계적으로 유의미한 차이를 보였고, 해상도와 휘도가 높을수록 인지기능, 프레즌스 그리고 피로도가 높은 것으로 나타났다.

Keywords

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