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Commenced in January 2007 Frequency: Monthly Edition: International Publications Count: 31198

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GPS Navigator for Blind Walking in a Campus
We developed a GPS-based navigation device for the blind, with audio guidance in Thai language. The device is composed of simple and inexpensive hardware components. Its user interface is quite simple. It determines optimal routes to various landmarks in our university campus by using heuristic search for the next waypoints. We tested the device and made note of its limitations and possible extensions.
Digital Object Identifier (DOI):


[1] T. Strothotte et al., "Development of dialog systems for a mobility aid for blind people: Initial design and usability testing," Proceedings of the 2nd International ACM Conference on Assistive Technologies (Assets 96), Vancouver, Canada, April 1996, pp. 139-144.
[2] W. Heuten, N. Henze, S. Boll, and M. Pielot, "Tactile wayfinder: A nonvisual support system for wayfinding," Proceedings of the 5th Nordic Conference on Human-Computer Interaction (NordiCHI 2008), Lund, Sweden, October 2008, pp. 172-181.
[3] S. Holland, D. R. Morse, and H. Gedenryd, "AudioGPS: Spatial audio navigation with a minimal attention interface," Personal and Ubiquitous Computing, 6(4): 253-259, Springer-Verlag London Limited, 2002.
[4] J. R. Marston, J. M. Loomis, R. L. Klatzky, R. G. Golledge, and E. L. Smith, "Evaluation of spatial displays for navigation without sight," ACM Transactions on Applied Perception, 3(2): 110-124, April 2006.
[5] D. A. Ross and B. B. Blasch, "Wearable interface for orientation and wayfinding," Proceedings of the ACM Conference on Assistive Technologies (ASSETS 2000), Arlington, VA, November 2000, pp. 193- 200.
[6] R. Kowalik and S. Kwasniewski, "Navigator - A talking GPS receiver for the blind," in K. Miesenberger et al. (eds.), ICCHP 2004, LNCS 3118, pp. 446-449, Springer-Verlag Berlin Heidelberg, 2004.
[7] B. Pressl and M. Wieser, "A computer-based navigation system tailored to the needs of blind people," in K. Miesenberger et al. (eds.), ICCHP 2006, LNCS 4061, pp. 1280-1286, Springer-Verlag Berlin Heidelberg, 2006.
[8] J. H. Sanchez, F. A. Aguayo, and T. M. Hassler, "Independent outdoor mobility for the blind," Virtual Rehabilitation, Venice, Italy, September 2007, pp. 114-120.
[9] S. Willis and S. Helal, "RFID information grid for blind navigation and wayfinding," Proceedings of the 9th IEEE International Symposium on Wearable Computers (ISWC 2005), Osaka, Japan, October 2005, pp. 34- 37.
[10] S. Chumkamon, P. Tuvaphanthaphiphat, and P. Keeratiwintakorn, "A blind navigation system using RFID for indoor environments," Proceedings of the International Conference on Electrical Enginering/ Electronics, Computer, Telecommunications and Information Technology (ECTI-CON 2008), Krabi, Thailand, May 2008, pp. 765-768.
[11] M. Kiers and T. Sovec, "Ways4all: Indoor navigation for visually impaired and blind people," Proceedings of the 15th International Conference on Urban Planning and Regional Development in the Information Society (REAL CORP 2010), Vienna, Austria, May 2010, pp. 1353-1358.
[12] M. Bousbia-Salah and M. Fezari, "A navigation tool for blind people," in T. Sobh (ed), Innovation and Advanced Techniques in Computer and Information Sciences and Engineering, pp. 333-337, Springer, 2007.
[13] C.-G. Kim and B.-S. Song, "Design of a wearable walking-guide system for the blind," Proceedings of the 1st International Convention on Rehabilitation Engineering and Assistive Technology, Singapore, April 2007, pp. 118-122.
[14] Y. Bellik and R. Farcy, "Comparison of various interface modalities for a locomotion assistance device," in K. Miesenberger et al. (eds), ICCHP 2002, LNCS 2398, pp. 421-428, Springer-Verlag Berlin Heidelberg, 2002.
[15] K. Jundee, "A study of best practice in orientation and mobility skills among the blind: A case study of the blind community in Dao-Kanong, Bangkok," Master Thesis, Rehabilitation Service for Persons with Disabilities, Mahidol University, Thailand, 2007.
[16] N. A. Bradley and M. D. Dunlop, "An experimental investigation into wayfinding directions for visually impaired people," Personal and Ubiquitous Computing, 9(6): 395-403, Springer-Verlag London Limited, 2005.
[17] J. Andre and S. Rogers, "Using verbal and blind-walking distance estimates to investigate the two visual systems hypothesis," Perception & Psychophysics, 68, pp. 353-361, 2006.
[18] S. J. Mason, G. E. Legge, and C. S. Kallie, "Variability in the length and frequency of steps of sighted and visually impaired walkers," Journal of Visual Impairment & Blindness, 99(12): 741-754, 2005.
[19] C. Wada, "Basic study on presenting distance information to the blind for navigation," presented at Fourth International Conference on Innovative Computing, Information and Control (ICICIC), Kaohsiung, Taiwan, December 2009, pp. 405-408.
[20] C. S. Kallie, P. R. Schrater, and G. E. Legge, "Variability in stepping direction explain the veering behavior of blind walkers," Journal of Experimental Psychology: Human Perception and Performance, 33(1): 183-200, 2007.
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