Recognition Method for 3D Mark Points for Ship Outer Panel Inspection of Multi-scale Information Fusion
Aimed at digital inspection technologies,It is of great significance for ship outer panels to improve its intelligent manu-facturing level.To solve the problem of obtaining the coordinates of reference points for ship outer panel detection,an identifying three-dimensional marker point method is proposed,which can provide reference coordinate information for the matching of measured point clouds and model point clouds in the digital detection process of ship outer panels.This method designs the geometric structure of three-dimensional marker points based on the structural characteristics and surface measurement requirements of ship outer panels.In addition,by combining the various features of 3D mark points themselves with the differentiated features of surrounding struc-tures,the multi-scale information of mark points is fused to achieve the accurate recognition of mark points.Finally,the three-dimen-sional coordinates of the corresponding positioning points on the ship outer panel are calculated through the measurement data of the marker points.Through the experiments,it is verified that the proposed method has the advantages of high robustness,accurate posi-tioning in 3D marker point recognition,which greatly improves the efficiency of digital detection of ship outer panels.
万方数据
维普
