For the interference problem of outliers on the point set registration,a robust affine point set registration method based on Bayesian student′s t mixture model(SMM)is proposed.Under Bayesian framework,the point set registration problem is formularized as the probability density estimation problem by using the SMM.By introducing the approximate variational posterior distribution,the objective function is converted to maximize the variational lower bound of complete data log-likelihood,and the variational Ba...
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