Aircraft skin seam detection method based on large-scale point cloud
A technology for aircraft skins and detection methods, which is applied in measurement devices, 3D modeling, computer parts, etc., can solve the problems of large errors, low efficiency, and high requirements for manual operations
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[0063] Embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
[0064] In order to solve the prior art are difficult to automate aircraft skin measuring step difference, the gap problem, the present invention provides a large-scale point cloud based on the aircraft skin seam detection method figure 1 Shows an alternative model of the aircraft skin structure, figure 2 A flow chart illustrating an alternative algorithm, such as the figure 2 As shown, the method includes:
[0065] Step 1, the density of the point cloud is calculated around each point of the point cloud aircraft skin;
[0066] Step 2, based on the calculated density difference divided cloud point of the seam area, the seam region extraction point cloud point cloud and a non-seam region of;
[0067] Step 3, the butt area point cloud, select a point, the extracted cross-section at that point, the distance of the seam zones and the non-butt area point c...
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