Understanding How Deaf and Hard of Hearing Viewers Visually Explore Captioned Live TV News

Understanding How Deaf and Hard of Hearing Viewers Visually Explore Captioned Live TV News
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了解失聪和听力障碍观众如何视觉探索带字幕的直播电视新闻

DOI:
10.1145/3587281.3587287
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发表时间:
2023
期刊:
Proceedings of the 20th International Web for All Conference
影响因子:
--
通讯作者:
Huenerfauth, Matt
Huenerfauth, Matt
中科院分区:
--
文献类型:
--
作者:
Amin, Akhter Al;Hassan, Saad;Lee, Sooyeon;Huenerfauth, Matt

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电视新闻直播中字幕遮挡视觉信息会导致聋哑和听力障碍 (DHH) 观众不满,因为他们无法在屏幕上看到重要信息。先前的工作提出了字幕放置的通用准则,但不是专门针对电视直播新闻以及屏幕上信息区域密集放置的重要电视类型,例如当前新闻主题、滚动新闻等。为了了解 DHH 观众在观看电视新闻时的注视行为(无论是在空间上还是在时间上),我们对 19 名 DHH 参与者进行了一项眼动追踪研究。参与者的注视行为随着时间的推移而变化,这是通过他们在屏幕上的信息区域上的注视时间比例来衡量的。对凝视行为的分析加上开放式反馈揭示了信息区域的四个主题类别。我们的工作促使在考虑标题放置时考虑时间维度,以避免阻塞信息区域,因为它们的重要性随着时间的推移而变化。
Captions blocking visual information in live television news leads to dissatisfaction among Deaf and Hard of Hearing (DHH) viewers, who cannot see important information on the screen. Prior work has proposed generic guidelines for caption placement but not specifically for live television news, and important genre of television with dense placement of onscreen information regions, e.g., current news topic, scrolling news, etc. To understand DHH viewers’ gaze behavior while watching television news, both spatially and temporally, we conducted an eye-tracking study with 19 DHH participants. Participants’ gaze behavior varied over time as measured by their proportional fixation time on information regions on the screen. An analysis of gaze behavior coupled with open-ended feedback revealed four thematic categories of information regions. Our work motivates considering the time dimension when considering caption placement, to avoid blocking information regions, as their importance varies over time.
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