Season-Invariant GNSS-Denied Visual Localization for UAVs
Season-Invariant GNSS-Denied Visual Localization for UAVs
Localization without Global Navigation Satellite Systems (GNSS) is a critical functionality in autonomous operations of unmanned aerial vehicles (UAVs). Vision-based localization on a known map can be an effective solution, but it is burdened by two main problems: places have different appearance depending on weather and season, and the perspective …