Underwater positioning presents a challenging issue, because of the rapid attenuation of
electronic magnetic waves, the disturbances and uncertainties in the environment …

The maintenance of a ship is essential for safe navigation and hence regular surveys are
prescribed according to the rule of classification societies. A hull inspection is generally …

The localization technology based on Lidar is an important method to realize the precise
localization and navigation of unmanned vehicle, and it is also the premise to realize the …

This paper introduces a novel approach that can provide the three dimensional information
about the movement of a spreader by using two CCD cameras and a laser distance …

In order to localize the Remotely Operated Vehicle (ROV) accurately in the reactor pool of
the nuclear power plant, an underwater matching correction navigation algorithm based on …

This paper introduces the GPS (Global Positioning System)-aided localization algorithm
designed especially for improvement for position error due to dead reckoning using DVL …

Terrain matching positioning technology is used to locate underwater vehicles by the terrain
information. The traditional method uses all real-time bathymetric points to traverse the …

Accurate positioning and state estimation of surface vessels are prerequisites to achieving
autonomous navigation. Recently, the rapid development of 3D LiDARs has promoted the …

The existing 2D lidar and depth camera fusion scheme sacrifices the detection range of
lidar, and the repeated pose estimation of the two sensors leads to lower map construction …

The Changzhou ship lock is approaching its capacity limit. In order to quantitatively analyze
the influencing factors that restrict the capacity of the Changzhou ship lock, this study …