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A Weighted Points Registration Method to Analyze Dimensional Errors Occurring during Shipbuilding Process
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 Title & Authors
A Weighted Points Registration Method to Analyze Dimensional Errors Occurring during Shipbuilding Process
Kwon, Kiyoun;
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It is important to analyze dimensional errors occurring during shipbuilding process. A ship is constructed by assembling blocks and installing outfits in assembled ship structure. Blocks and outfits have a main direction that has greater importance than other directions from the view point of dimensional error. Therefore, a main direction should have a greater weighting factor than other directions in order to achieve meaningful inspection results. In this paper, a modified point registration method based on iterative closest point (ICP) is proposed. In this method, a user determines one or two main directions among x, y, and z directions, and then each main direction is made to have a greater weighting factor than other directions. For points registration, mapping between measured points and design points are performed by the modified ICP in which weighting factor assigned to each main direction is considered.
Dimensional error analysis;Iterative closest point;Weighted points registration;
 Cited by
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