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Image matching-aided navigation system has broad application prospects, according to its prominent advantages in autonomy and high precision. In order to meet the demands of real time and accuracy of image aided navigation system, the paper propose a subpixel precision image matching algorithm by using a method called the four-dimension real matrix. At first this paper converts the transformation...
In this paper, we introduce multi-image matching using invariant features into the 3D mapping process for vision-based navigation applications. Our previously developed vision-based positioning system is modified accordingly, and experiments prove that the 3D map has been enhanced under a better imaging geometry. Consequently, the localization accuracy is much improved. Final positioning accuracy...
In recent years, many civil users have been interested in unmanned aerial vehicle (UAV) for a verity of different applications, such as quick response to time-critical event, traffic monitoring and traffic data collection because they have the ability to cover a large area, focus resources on the current problems, travel at higher speeds than ground vehicles, and are not restricted to traveling on...
In this paper we present a highly scalable vision-based localization and mapping method using image collections. A topological world representation is created online during robot exploration by adding images to a database and maintaining a link graph. An efficient image matching scheme allows real-time mapping and global localization. The compact image representation allows us to create image collections...
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