Increasing Accessibility to the Blind of Virtual Environments, Using a Virtual Mobility Aid Based On the "EyeCane": Feasibility Study
Identifieur interne : 001B10 ( Main/Merge ); précédent : 001B09; suivant : 001B11Increasing Accessibility to the Blind of Virtual Environments, Using a Virtual Mobility Aid Based On the "EyeCane": Feasibility Study
Auteurs : Shachar Maidenbaum [Israël] ; Shelly Levy-Tzedek [Israël] ; Daniel-Robert Chebat [Israël] ; Amir Amedi [Israël]Source :
- PLoS ONE [ 1932-6203 ] ; 2013.
Abstract
Virtual worlds and environments are becoming an increasingly central part of our lives, yet they are still far from accessible to the blind. This is especially unfortunate as such environments hold great potential for them for uses such as social interaction, online education and especially for use with familiarizing the visually impaired user with a real environment virtually from the comfort and safety of his own home before visiting it in the real world. We have implemented a simple algorithm to improve this situation using single-point depth information, enabling the blind to use a virtual cane, modeled on the “EyeCane” electronic travel aid, within any virtual environment with minimal pre-processing. Use of the Virtual-EyeCane, enables this experience to potentially be later used in real world environments with identical stimuli to those from the virtual environment. We show the fast-learned practical use of this algorithm for navigation in simple environments.
Url:
DOI: 10.1371/journal.pone.0072555
PubMed: 23977316
PubMed Central: 3747209
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Jerusalem</wicri:regionArea><wicri:noRegion>Jerusalem</wicri:noRegion></affiliation></author><author><name sortKey="Levy Tzedek, Shelly" sort="Levy Tzedek, Shelly" uniqKey="Levy Tzedek S" first="Shelly" last="Levy-Tzedek">Shelly Levy-Tzedek</name><affiliation wicri:level="1"><nlm:aff id="aff1"><addr-line>Department of Medical Neurobiology, Institute for Medical Research Israel-Canada, Faculty of Medicine, Hebrew University of Jerusalem, Hadassah Ein-Kerem, Jerusalem, Israel</addr-line></nlm:aff><country xml:lang="fr">Israël</country><wicri:regionArea>Department of Medical Neurobiology, Institute for Medical Research Israel-Canada, Faculty of Medicine, Hebrew University of Jerusalem, Hadassah Ein-Kerem, Jerusalem</wicri:regionArea><wicri:noRegion>Jerusalem</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="aff2"> The<addr-line>Edmond and Lily Safra Center for Brain Research, the Hebrew University of Jerusalem, Hadassah Ein-Kerem, Jerusalem, Israel</addr-line></nlm:aff><country xml:lang="fr">Israël</country><wicri:regionArea>Edmond and Lily Safra Center for Brain Research, the Hebrew University of Jerusalem, Hadassah Ein-Kerem, Jerusalem</wicri:regionArea><wicri:noRegion>Jerusalem</wicri:noRegion></affiliation></author><author><name sortKey="Chebat, Daniel Robert" sort="Chebat, Daniel Robert" uniqKey="Chebat D" first="Daniel-Robert" last="Chebat">Daniel-Robert Chebat</name><affiliation wicri:level="1"><nlm:aff id="aff1"><addr-line>Department of Medical Neurobiology, Institute for Medical Research Israel-Canada, Faculty of Medicine, Hebrew University of Jerusalem, Hadassah Ein-Kerem, Jerusalem, Israel</addr-line></nlm:aff><country xml:lang="fr">Israël</country><wicri:regionArea>Department of Medical Neurobiology, Institute for Medical Research Israel-Canada, Faculty of Medicine, Hebrew University of Jerusalem, Hadassah Ein-Kerem, 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Neurobiology, Institute for Medical Research Israel-Canada, Faculty of Medicine, Hebrew University of Jerusalem, Hadassah Ein-Kerem, Jerusalem</wicri:regionArea><wicri:noRegion>Jerusalem</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="aff2"> The<addr-line>Edmond and Lily Safra Center for Brain Research, the Hebrew University of Jerusalem, Hadassah Ein-Kerem, Jerusalem, Israel</addr-line></nlm:aff><country xml:lang="fr">Israël</country><wicri:regionArea>Edmond and Lily Safra Center for Brain Research, the Hebrew University of Jerusalem, Hadassah Ein-Kerem, Jerusalem</wicri:regionArea><wicri:noRegion>Jerusalem</wicri:noRegion></affiliation></author></analytic><series><title level="j">PLoS ONE</title><idno type="eISSN">1932-6203</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Virtual worlds and environments are becoming an increasingly central part of our lives, yet they are still far from accessible to the blind. This is especially unfortunate as such environments hold great potential for them for uses such as social interaction, online education and especially for use with familiarizing the visually impaired user with a real environment virtually from the comfort and safety of his own home before visiting it in the real world. We have implemented a simple algorithm to improve this situation using single-point depth information, enabling the blind to use a virtual cane, modeled on the “EyeCane” electronic travel aid, within any virtual environment with minimal pre-processing. Use of the Virtual-EyeCane, enables this experience to potentially be later used in real world environments with identical stimuli to those from the virtual environment. We show the fast-learned practical use of this algorithm for navigation in simple environments.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Spence, J" uniqKey="Spence J">J Spence</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Wasko, M" uniqKey="Wasko M">M Wasko</name></author><author><name sortKey="Teigland, R" uniqKey="Teigland R">R Teigland</name></author><author><name sortKey="Leidner, D" uniqKey="Leidner D">D Leidner</name></author><author><name sortKey="Jarvenpaa, S" uniqKey="Jarvenpaa S">S Jarvenpaa</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Zero, K" uniqKey="Zero K">K Zero</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Lahav, O" uniqKey="Lahav O">O Lahav</name></author><author><name sortKey="Mioduser, D" uniqKey="Mioduser D">D 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