The invention discloses a hull profile characteristic parameter extraction method, which relates to the technical field of ships. According to the method, a ship type file of the hull is processed; the characteristic parameters of the hull profile under the given draft can be automatically extracted; in the case of characteristic extraction, different methods are adopted for extraction according to the parameter types of the characteristic parameters; algebraic parameters such as scale, position and the like are directly extracted; integral solving processing extraction is carried out on integral type parameters such as the area and the volume; differential solving processing extraction is carried out on differential type parameters such as the angle and the curvature, so that feature parameters of three levels including global parameters representing overall features, local parameters representing regional features and detail parameters representing curved surface detail features of the hull can be extracted, and a data basis is provided for subsequent data mining.
本发明公开了一种船体型线特征参数提取方法,涉及船舶技术领域,该方法通过对船体的船型文件进行处理,可以自动化提取得到船体型线在给定吃水深度下的特征参数,在进行特征提取时,根据各特征参数的参数类型采用不同方法提取,对尺度、位置等代数型参数直接提取,对面积、体积等积分型参数进行积分求解处理提取,对角度、曲率等微分型参数进行微分求解处理提取,从而可以提取得到船体的表征整体特征的全局参数、表征区域特征的局部参数以及表征曲面细节特征的细部参数三个层次的特征参数,为后续的数据挖掘提供了数据基础。
Hull profile characteristic parameter extraction method
一种船体型线特征参数提取方法
2020-08-28
Patent
Elektronische Ressource
Chinesisch
IPC: | B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS |
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