CrossNavi: Enabling real-time crossroad navigation for the blind with commodity phones
Crossroad is among the most dangerous parts outside for the visually impaired people. Numerous studies have exploited navigating systems for the visually impaired community, providing services ranging from block detection, route planning to realtime localization. However, none of them have addressed...
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2014
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sg-smu-ink.sis_research-56262020-01-02T08:48:44Z CrossNavi: Enabling real-time crossroad navigation for the blind with commodity phones SHANGGUAN, Longfei YANG, Zheng ZHOU, Zimu ZHENG, Xiaolong WU, Chenshu LIU, Yunhao Crossroad is among the most dangerous parts outside for the visually impaired people. Numerous studies have exploited navigating systems for the visually impaired community, providing services ranging from block detection, route planning to realtime localization. However, none of them have addressed the safety issue in crossroad and integrated three key factors necessary for a practical crossroad navigation system: detecting the crossroad, locating zebra patterns, and guiding the user within zebra crossing when passing the road. Our CrossNavi application responds to these needs, providing an integrated crossroad navigation service that incorporates all the essential functionalities mentioned above. The overall service is fulfilled by the collaboration of built-in sensors on commodity phones, and requires minimal human participation. We describe the technical aspects of its design, implementation, interface, and further improvements to make the system practical on a wider basis. Experimental results from three visually impaired volunteers show that the system exhibits promising behavior in both urban and rural areas. 2014-09-01T07:00:00Z text application/pdf https://ink.library.smu.edu.sg/sis_research/4623 info:doi/10.1145/2632048.2632083 https://ink.library.smu.edu.sg/context/sis_research/article/5626/viewcontent/p787_shangguan.pdf http://creativecommons.org/licenses/by-nc-nd/4.0/ Research Collection School Of Computing and Information Systems eng Institutional Knowledge at Singapore Management University Software Engineering |
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Software Engineering SHANGGUAN, Longfei YANG, Zheng ZHOU, Zimu ZHENG, Xiaolong WU, Chenshu LIU, Yunhao CrossNavi: Enabling real-time crossroad navigation for the blind with commodity phones |
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Crossroad is among the most dangerous parts outside for the visually impaired people. Numerous studies have exploited navigating systems for the visually impaired community, providing services ranging from block detection, route planning to realtime localization. However, none of them have addressed the safety issue in crossroad and integrated three key factors necessary for a practical crossroad navigation system: detecting the crossroad, locating zebra patterns, and guiding the user within zebra crossing when passing the road. Our CrossNavi application responds to these needs, providing an integrated crossroad navigation service that incorporates all the essential functionalities mentioned above. The overall service is fulfilled by the collaboration of built-in sensors on commodity phones, and requires minimal human participation. We describe the technical aspects of its design, implementation, interface, and further improvements to make the system practical on a wider basis. Experimental results from three visually impaired volunteers show that the system exhibits promising behavior in both urban and rural areas. |
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text |
author |
SHANGGUAN, Longfei YANG, Zheng ZHOU, Zimu ZHENG, Xiaolong WU, Chenshu LIU, Yunhao |
author_facet |
SHANGGUAN, Longfei YANG, Zheng ZHOU, Zimu ZHENG, Xiaolong WU, Chenshu LIU, Yunhao |
author_sort |
SHANGGUAN, Longfei |
title |
CrossNavi: Enabling real-time crossroad navigation for the blind with commodity phones |
title_short |
CrossNavi: Enabling real-time crossroad navigation for the blind with commodity phones |
title_full |
CrossNavi: Enabling real-time crossroad navigation for the blind with commodity phones |
title_fullStr |
CrossNavi: Enabling real-time crossroad navigation for the blind with commodity phones |
title_full_unstemmed |
CrossNavi: Enabling real-time crossroad navigation for the blind with commodity phones |
title_sort |
crossnavi: enabling real-time crossroad navigation for the blind with commodity phones |
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Institutional Knowledge at Singapore Management University |
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2014 |
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https://ink.library.smu.edu.sg/sis_research/4623 https://ink.library.smu.edu.sg/context/sis_research/article/5626/viewcontent/p787_shangguan.pdf |
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