The point cloud segmentation is an extremely essential step in the reverse model design. The segmentation results will affect the surface fitting and the CAD model reconstruction quality directly.

数据点云分块是逆向工程中一个非常关键的环节，测量数据的分块结果将直接影响到曲面拟合及CAD模型重建的质量。

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On the basis of the spine and fitting the centerline of spine, MC algorithm is used to output triangular mesh model to reconstruct the spine center surface.

在定位的基础上拟合脊柱中心线并建立测点集，应用MC算法输出三角网格模型，重建出脊柱中心曲面。

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Fitting process was used in the computation of statics of long and short wavelength in domains of common shot, common receiver, and common offset, and a near surface model was also established.

该方法同时从共炮点域、共检波点域及共炮检距域，采用拟合法计算出短波长和长波长静校正并建立近地表模型。

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