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The Normal Distributions Transform (NDT) scan registration algorithm models the environment as a set of Gaussian distributions and generates the Gaussians by discretizing the environment into voxels. With the standard approach, the NDT algorithm has a tendency to have poor convergence performance for even modest initial transformation error. In this work, a segmented greedy cluster NDT (SGC-NDT) variant...
The normal distributions transform (NDT) scan registration algorithm has been shown to produce good results, however, has a tendency to converge to a local minimum if the initial parameter error is large. In order to improve the convergence basin for NDT, a multi-scale k-means NDT (MSKM-NDT) variant is proposed. This approach divides the point cloud using k-means clustering and performs the optimization...
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