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이동형 단말기에서의 축구경기 시청을 위한 해상도 및 관심 영역 크기에 관한 사용자 만족도 조사
김창익(Changick Kim),고재승(Jaeseung Ko),안일구(Ilkoo Ahn),이재호(Jaeho Lee),서기원(Kiwon Seo),권재훈(Jae Hoon Kwon),주영훈(Young Hun Joo),오윤제(Yun Je Oh) 한국방송·미디어공학회 2006 방송공학회논문지 Vol.11 No.3
The recent advances in multimedia signal coding and transmission technologies allow lots of users to watch videos on small LCD displays. In this paper, we briefly describe an intelligent display technique to provide small-display-viewers with comfortable experiences, and study the minimum image size tolerated and utility of displaying region of interest (ROI) only when needed. The study, with 111 participants, examines minimum image size to ensure viewers pleasant viewing experiences, and evaluates the degree of satisfaction when they are viewed with region of interest (ROI) only. The experimental results show that the ROI display enhances the viewers’ satisfaction when the image size becomes less than 320X240, and thus it is useful to provide the intelligent display, if necessary, which can extract and display ROI only.