Accurate Localization in Dense Urban Area Using Google Street View Image
Mahdi Salarian

TL;DR
This paper proposes a sensor-assisted image retrieval method for accurate camera localization in dense urban areas, reducing search complexity and achieving high accuracy with 98% estimated position error.
Contribution
It introduces a novel approach combining inertial sensors and GPS data to efficiently localize cameras using image retrieval in real-time urban environments.
Findings
Reduced image search set size by integrating sensor data
Achieved 98% estimated position accuracy in simulations
Demonstrated real-time applicability for navigation aid
Abstract
Accurate information about the location and orientation of a camera in mobile devices is central to the utilization of location-based services (LBS). Most of such mobile devices rely on GPS data but this data is subject to inaccuracy due to imperfections in the quality of the signal provided by satellites. This shortcoming has spurred the research into improving the accuracy of localization. Since mobile devices have camera, a major thrust of this research has been seeks to acquire the local scene and apply image retrieval techniques by querying a GPS-tagged image database to find the best match for the acquired scene.. The techniques are however computationally demanding and unsuitable for real-time applications such as assistive technology for navigation by the blind and visually impaired which motivated out work. To overcome the high complexity of those techniques, we investigated…
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Taxonomy
TopicsRobotics and Sensor-Based Localization · Advanced Image and Video Retrieval Techniques · Indoor and Outdoor Localization Technologies
