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首页> 外文会议>Atas do 23 Encontro Portugues de Computacao Grafica e Interacao >The impact of different exposure times to 360° video experience on the sense of presence
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The impact of different exposure times to 360° video experience on the sense of presence

机译：不同的曝光时间对360°视频体验的影响

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摘要

Equipment such as head-mounted displays are now available for the average consumer at affordable prices. This promotes the usage of this equipment for content consumption and demonstrations, thus it becomes important to establish the best practices for using this technology, namely guidelines in what concerns the recommended exposure time. Therefore, the purpose of this work is to study the impact of the exposure time on the feeling of presence while watching 360° video using an head-mounted display. The independent variables of the study are the exposure time to the stimuli and gender of participants. There were tested four different exposure times: 1 minute, 3 minutes, 5 minutes and 7 minutes. For measuring presence, it was a Portuguese version of the Igroup Presence Questionnaire (IPQ) which considers also 3 presence subscales: spatial presence, realism and involvement. The results have revealed that there are few statistically significant differences for the given exposure times at the level of the sense of presence, apart from spatial presence and realism subscales, which consistently increased with exposure time for male participants and slightly decreased for female ones. Men always needed longer exposure times (> 1 minute) to report the highest scores, while women had the opposite behaviour, frequently reporting maximum scores for the shortest experiences.
机译：现在，普通消费者可以以可承受的价格获得诸如头戴式显示器之类的设备。这促进了该设备用于内容消费和演示的用途，因此，建立使用该技术的最佳实践（即与建议的曝光时间有关的准则）变得很重要。因此，这项工作的目的是研究使用头戴式显示器观看360°视频时曝光时间对临场感的影响。该研究的独立变量是参与者的刺激时间和性别。测试了四个不同的曝光时间：1分钟，3分钟，5分钟和7分钟。为了衡量状态，它是Igroup状态调查表（IPQ）的葡萄牙语版本，其中还考虑了3个状态子量表：空间状态，真实性和参与度。结果表明，除了存在感和真实感量表外，对于给定的暴露时间，在临场感层面上没有统计学上的显着差异，男性参与者随着暴露时间的增加而持续增加，而女性参与者则随着暴露时间的增加而略有减少。男性总是需要更长的暴露时间（> 1分钟）才能报告最高分数，而女性则表现相反，经常在最短的体验中报告最高分数。

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