HYDROACOUSTICS
ANNUAL JOURNAL |
START | NEW VOL 20 | SEARCH | STATISTICS | PAS - GDANSK DIVISION |
pp. 83-90, vol. 15, 2012 Łukasz Kamiński Gdansk University of Technology, Faculty of Electronics, Telecommunications and Informatics, Gdansk, Poland Andrzej Stepnowski Gdansk University of Technology, Faculty of Electronics, Telecommunications and Informatics, Gdansk, Poland Łukasz Markiewicz Gdansk University of Technology, Faculty of Electronics, Telecommunications and Informatics, Gdansk, Poland Key words: GPS; GIS; Open Street Map Abstract: Improving comfort of life of blind people is a problem of great importance. Neither a white cane nor a guide dog, although both very useful, can be considered as a navigation
tool, as they provide only a slight increase of independence in everyday movement around
the city. On the market there are some navigation tools inspired by car navigation systems,
but they have many flaws, ranging from positioning inaccuracies to high prices. A novel
solution is presented in the article - a prototype application for casual smartphones. It utilizes
electrocompass, built-in GPS receiver and optional DGPS receiver, which ensures acceptable
accuracy. Main spatial data source is the popular OpenStreetMap system. Extra batch of
spatial data can be added by users or community. Software part of the system guides users to
desired target, using speech synthesis.
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