Digital Sign System for Indoor Wayfinding for the Visually Impaired Export

@misc{citeulike:2620498, abstract = {Mobility challenges and independent travel are major concerns for blind and visually impaired pedestrians [1][2]. Navigation and wayfinding in unfamiliar indoor environments are particularly challenging because blind pedestrians do not have ready access to building maps, signs and other orienting devices. The development of assistive technologies to aid wayfinding is hampered by the lack of a reliable and costefficient method for providing location information in an indoor environment. Here we describe the design and implementation of a digital sign system based on low-cost passive retro-reflective tags printed with specially designed patterns that can be readily detected and identified by a handheld camera and machine-vision system. Performance of the prototype showed the tag detection/recognition system could cope with the real-world environment of a typical building.}, author = {Tjan, B. S. and Beckmann, P. J. and Roy, R. and Giudice, N. and Legge, G. E.}, citeulike-article-id = {2620498}, keywords = {navigation, visual-impairment, wayfinding}, posted-at = {2008-04-01 17:17:35}, priority = {2}, title = {Digital Sign System for Indoor Wayfinding for the Visually Impaired} }

TY - GEN ID - citeulike:2620498 L3 - citeulike-article-id:2620498 N2 - Mobility challenges and independent travel are major concerns for blind and visually impaired pedestrians [1][2]. Navigation and wayfinding in unfamiliar indoor environments are particularly challenging because blind pedestrians do not have ready access to building maps, signs and other orienting devices. The development of assistive technologies to aid wayfinding is hampered by the lack of a reliable and costefficient method for providing location information in an indoor environment. Here we describe the design and implementation of a digital sign system based on low-cost passive retro-reflective tags printed with specially designed patterns that can be readily detected and identified by a handheld camera and machine-vision system. Performance of the prototype showed the tag detection/recognition system could cope with the real-world environment of a typical building. TI - Digital Sign System for Indoor Wayfinding for the Visually Impaired KW - navigation KW - visual-impairment KW - wayfinding AU - Tjan, BS AU - Beckmann, PJ AU - Roy, R AU - Giudice, N AU - Legge, GE ER -