CityGuide: a seamless indoor–outdoor wayfinding system for people with vision impairments
The accuracy of satellite-based positioning systems is poor in indoor environments and around built environments. Reading and following visual cues still remain the most common mechanism for providing and receiving wayfinding information in such spaces. This reliance on visual function for wayfindin...
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| Published in | Universal access in the information society Vol. 23; no. 4; pp. 1843 - 1855 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
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Berlin/Heidelberg
Springer Berlin Heidelberg
01.11.2024
Springer Nature B.V |
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| Abstract | The accuracy of satellite-based positioning systems is poor in indoor environments and around built environments. Reading and following visual cues still remain the most common mechanism for providing and receiving wayfinding information in such spaces. This reliance on visual function for wayfinding puts individuals who are blind or visually impaired (BVI) at a great disadvantage, and there remains a great need to provide a low-cost, easy-to-use, and reliable wayfinding system within indoor and outdoor spaces that complements existing satellite-based systems. This paper presents the design, implementation, and evaluation of an initial prototype wayfinding system and smartphone application called CityGuide that can be used by BVI individuals to navigate their surroundings beyond what is possible with just a GPS-based system. CityGuide enables an individual to query and get turn-by-turn shortest route directions from an indoor location to an outdoor location. CityGuide leverages recently developed Bluetooth Low Energy (BLE) indoor wayfinding solutions in conjunction with satellite signals to provide a seamless indoor–outdoor navigation and wayfinding system that guides a BVI individual to their desired destination through the shortest route. Evaluations of CityGuide with BVI human subjects within an unfamiliar university campus scenario demonstrated its potential to be effective compared to other popularly used apps. |
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| AbstractList | The accuracy of satellite-based positioning systems is poor in indoor environments and around built environments. Reading and following visual cues still remain the most common mechanism for providing and receiving wayfinding information in such spaces. This reliance on visual function for wayfinding puts individuals who are blind or visually impaired (BVI) at a great disadvantage, and there remains a great need to provide a low-cost, easy-to-use, and reliable wayfinding system within indoor and outdoor spaces that complements existing satellite-based systems. This paper presents the design, implementation, and evaluation of an initial prototype wayfinding system and smartphone application called CityGuide that can be used by BVI individuals to navigate their surroundings beyond what is possible with just a GPS-based system. CityGuide enables an individual to query and get turn-by-turn shortest route directions from an indoor location to an outdoor location. CityGuide leverages recently developed Bluetooth Low Energy (BLE) indoor wayfinding solutions in conjunction with satellite signals to provide a seamless indoor–outdoor navigation and wayfinding system that guides a BVI individual to their desired destination through the shortest route. Evaluations of CityGuide with BVI human subjects within an unfamiliar university campus scenario demonstrated its potential to be effective compared to other popularly used apps. |
| Author | Arsal, Güler Cheraghi, Seyed Ali Namboodiri, Vinod |
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| References_xml | – reference: ChenZZhuQSohYCSmartphone inertial sensor-based indoor localization and tracking with ibeacon correctionsIEEE Trans. Industr. Inf.20161241540154910.1109/TII.2016.2579265 – reference: KangWHanYSmartpdr: smartphone-based pedestrian dead reckoning for indoor localizationIEEE Sens. J.20151552906291610.1109/JSEN.2014.2382568 – reference: FaragherRUnderstanding the basis of the kalman filter via a simple and intuitive derivationIEEE Signal Process. Mag.201229512813210.1109/MSP.2012.2203621 – reference: “Indoor proximity marketing and tracking,” [Online]. Available: https://indoo.rs/ (2019) – reference: Cheraghi, S.A., Namboodiri, V., Arsal, G.: “Cityguide: A seamless indoor-outdoor wayfinding system for people with vision impairments,” in. IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events (PerCom Workshops) 2021, 105–110 (2021) – reference: “Gimbal platform overview,” http://www.gimbal.com/platform/complete-gimbal-platform/, (2019) – reference: FuscoGCoughlanJMMiesenbergerKKouroupetroglouGIndoor localization using computer vision and visual-inertial odometryComputers Helping People with Special Needs2018ChamSpringer International Publishing869310.1007/978-3-319-94274-2_13 – reference: Ahmetovic, D., Gleason, C., Ruan, C., Kitani, K., Takagi, H., Asakawa, C.:“Navcog: A navigational cognitive assistant for the blind,” in Proceedings of the 18th International Conference on Human-Computer Interaction with Mobile Devices and Services, ser. MobileHCI ’16. New York, NY, USA: ACM, pp. 90–99. [Online]. Available: http://doi.acm.org/10.1145/2935334.2935361(2016) – reference: “Wayfindr open standard,” [Online]. Available: https://www.wayfindr.net/ ( 2019) – reference: “Microsoft Soundscape,” https://www.microsoft.com/en-us/research/product/soundscape/, (2019) – reference: Cheraghi, S. A., Sharma, A., Namboodiri, V., Arsal, G.: “SafeExit4AII: an inclusive indoor emergency evacuation system for people with disabilities,” in Proceedings of the 16th International Web for All Conference, ser. W4A ’19, (2019) – reference: “BlindSquare indoor navigation,” (2015). [Online]. Available: http://blindsquare.com/indoor/ – reference: “Getthere gps nav for blind,” [Online]. Available: https://play.google.com/store/apps/details?id=com.LewLasher.getthere (2019) – reference: “Bluetooth low energy,” [Online]. Available: https://www.bluetooth.com/what-is-bluetooth-technology/bluetooth-technology-basics/low-energy (2019) – reference: Ahmetovic, D., Murata, M., Gleason, C., Brady, E., Takagi, H., Kitani, K., Asakawa, C.: “Achieving practical and accurate indoor navigation for people with visual impairments,” in Proceedings of the 14th web for all conference on the future of accessible work, ser. W4A ’17. New York, NY, USA: ACM, 2017, pp. 31:1–31:10. [Online]. Available: http://doi.acm.org/10.1145/3058555.3058560 – reference: Cheraghi, S. A.: “Ph.D Dissertation: Beacon-based Wayfinding for People with DIsabilities.” – reference: Manduchi, R., Coughlan, J.: “(Computer) vision without sight,” Communications of the ACM, vol. 55, (2012) – reference: Aira Tech Corp., “Aira,” https://aira.io/, (2017-2018) – reference: Kim, J.-E., Bessho, M., Kobayashi, S., Koshizuka, N., Sakamura, K.: “Navigating visually impaired travelers in a large train station using smartphone and bluetooth low energy,” in Proceedings of the 31st Annual ACM Symposium on Applied Computing, ser. SAC ’16, pp. 604–611 (2016) – reference: Cheraghi, S. A., Namboodiri, V., Walker, L.: “Guidebeacon: Beacon-based indoor wayfinding for the blind, visually impaired, and disoriented.” IEEE Pervasive Communications (PerCom), (2016) – reference: “Be My Eyes: bringing sight to blind and low vision people.” https://www.bemyeyes.com/, (2019) – start-page: 86 volume-title: Computers Helping People with Special Needs year: 2018 ident: 1009_CR21 doi: 10.1007/978-3-319-94274-2_13 – ident: 1009_CR10 doi: 10.1145/3058555.3058560 – volume: 29 start-page: 128 issue: 5 year: 2012 ident: 1009_CR18 publication-title: IEEE Signal Process. Mag. doi: 10.1109/MSP.2012.2203621 – ident: 1009_CR9 – ident: 1009_CR2 – ident: 1009_CR5 doi: 10.1109/PERCOM.2017.7917858 – ident: 1009_CR1 – ident: 1009_CR20 – ident: 1009_CR4 – ident: 1009_CR6 – ident: 1009_CR8 – ident: 1009_CR14 doi: 10.1145/3315002.3317569 – volume: 12 start-page: 1540 issue: 4 year: 2016 ident: 1009_CR19 publication-title: IEEE Trans. Industr. Inf. doi: 10.1109/TII.2016.2579265 – volume: 15 start-page: 2906 issue: 5 year: 2015 ident: 1009_CR17 publication-title: IEEE Sens. J. doi: 10.1109/JSEN.2014.2382568 – ident: 1009_CR16 – ident: 1009_CR7 doi: 10.1145/2063176.2063200 – ident: 1009_CR13 – ident: 1009_CR15 doi: 10.1109/PerComWorkshops51409.2021.9431138 – ident: 1009_CR11 – ident: 1009_CR3 doi: 10.1145/2851613.2851716 – ident: 1009_CR12 |
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| SubjectTerms | Blindness Built environment College campuses Computer Communication Networks Computer Science Computer vision Computers and Society Global positioning systems GPS Human subjects Indoor environments Information society Information Storage and Retrieval Information Systems Applications (incl.Internet) IT in Business Long Paper Outdoors People with disabilities Satellite navigation systems Smartphones Soundscapes Urban environments User Interfaces and Human Computer Interaction Visual impairment Wayfinding |
| Title | CityGuide: a seamless indoor–outdoor wayfinding system for people with vision impairments |
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