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Localization Algorithms For Gnss-Denied And Challenging Environments, Chizhao Yang
Localization Algorithms For Gnss-Denied And Challenging Environments, Chizhao Yang
Graduate Theses, Dissertations, and Problem Reports
In this dissertation, the problem about localization in GNSS-denied and challenging environments is addressed. Specifically, the challenging environments discussed in this dissertation include two different types, environments including only low-resolution features and environments containing moving objects. To achieve accurate pose estimates, the errors are always bounded through matching observations from sensors with surrounding environments. These challenging environments, unfortunately, would bring troubles into matching related methods, such as "fingerprint" matching, and ICP. For instance, in environments with low-resolution features, the on-board sensor measurements could match to multiple positions on a map, which creates ambiguity; in environments with moving objects included, the …