Point-cloud-model-based precise detection method and system for surface profile
A technology of point cloud model and cloud model, which is applied in the direction of measuring devices, image data processing, instruments, etc., can solve the problems of free-form surface and complex surface evaluation difficulties, unsatisfactory requirements, low measurement accuracy and efficiency, etc., and achieve high precision The demand for profile error evaluation, the improvement of accuracy and efficiency, and the effect of simple methods
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[0042] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0043] Such as figure 1 Shown is a method for accurately detecting surface contours based on a point cloud model disclosed in the first embodiment of the present invention, including:
[0044] S101. Establish a theoretical point cloud model of the workpiece to be tested;
[0045] When the surface profile of the workpiece to be measured needs to be accurately detected, for the workpiece whose CAD design model is known, computer-aided technolo...
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