Identifying and localizing small objects in UAV imagery is a highly challenging task. Existing detection models are prone to missed detections, false detections, and inaccurate localization, while improvements in detection accuracy and real-time performance are often accompanied by an increase in the number of model pa...
Shuai Liang, Ran Wang, Xiao Wang et al.· Remote Sensing· 0 citations
Gravity matching provides an absolute position reference for correcting the accumulated errors of an inertial navigation system (INS) during long-endurance underwater navigation. Its performance, however, can deteriorate when the available sampling data are limited, the gravity field is weakly distinctive, or the measu...
Hui Liu, Rui Jiang, H. Cheng et al.· Actuators· 0 citations
Continuity and reliability are critical for underwater gravity aided inertial navigation, while variations in gravity field suitability, sensor noise, and environmental disturbances can degrade gravity matching and navigation performance. To address this issue, a data-driven matching error compensation framework is pro...
Hui Liu, Yu-Hang Liu, Shu-Qiang Xue et al.· Journal of Marine Science an...· 0 citations
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