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Offline Navigation: GPS based Location Assisting System

Affiliations

  • Department of Computer Science and Engineering, Amrita School of Engineering Coimbatore Amrita VishwaVidyapeetham, Amrita University, Coimbatore - 641112, Tamil Nadu, India

Abstract


Objectives: We have developed an Offline Navigation Android1 application especially for the visually impaired people, the application also features a module through which the user, if lost track or has been abducted can reach back to the original location without the use of the internet. Methods/Statistical Analysis: We have used Google’s direction API2 for the route data, using this data the application guides the user with the help of Global Positioning System and Magnetic sensor. The main uniqueness of this application is, it works without the internet and consumes less battery charge. Findings: The developed application uses the data from the direction API (i.e., JSON format text) for navigating without displaying the map instead by reading out instructions, showing just direction and giving vibration feedback if deviating from the path. Thus the application differs from a typical navigation application. Application/Improvements: The developed application has a unique functionality for retracing a user’s path, and also consumes less space and computation compared to other navigation applications.

Keywords

Google Directions API, GPS, GSM, Magnetic Sensor, Offline Navigation, Retracing, Visually Impaired.

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References


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