Support in the Moment: Benefits and use of video-span selection and search for sign-language video comprehension among ASL learners
Support in the Moment: Benefits and use of video-span selection and search for sign-language video comprehension among ASL learners
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当前支持:视频范围选择和搜索对 ASL 学习者手语视频理解的好处和使用
DOI:
10.1145/3517428.3544883
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Huenerfauth, Matt
中科院分区:
文献类型:
--
作者:
Hassan, Saad;Amin, Akhter Al;de Lacerda Pataca, Caluã;Navarro, Diego;Gordon, Alexis;Lee, Sooyeon;Huenerfauth, Matt
As they develop comprehension skills, American Sign Language (ASL) learners often view challenging ASL videos, which may contain unfamiliar signs. Current dictionary tools require students to isolate a single sign they do not understand and input a search query, by selecting linguistic properties or by performing the sign into a webcam. Students may struggle with extracting and re-creating an unfamiliar sign, and they must leave the video-watching task to use an external dictionary tool. We investigate a technology that enables users, in the moment, i.e., while they are viewing a video, to select a span of one or more signs that they do not understand, to view dictionary results. We interviewed 14 American Sign Language (ASL) learners about their challenges in understanding ASL video and workarounds for unfamiliar vocabulary. We then conducted a comparative study and an in-depth analysis with 15 ASL learners to investigate the benefits of using video sub-spans for searching, and their interactions with a Wizard-of-Oz prototype during a video-comprehension task. Our findings revealed benefits of our tool in terms of quality of video translation produced and perceived workload to produce translations. Our in-depth analysis also revealed benefits of an integrated search tool and use of span-selection to constrain video play. These findings inform future designers of such systems, computer vision researchers working on the underlying sign matching technologies, and sign language educators.
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DOI:
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发表时间:
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期刊:
Petra
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作者:
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Adfl
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10.1145/2769493.2769534
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2015
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Proceedings of the 8th ACM International Conference on PErvasive Technologies Related to Assistive Environments
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2000
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2004
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