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The mixture model parameters of the target scene and the scene to be registered are updated iteratively by the fixed point method under the framework of the EM algorithm, and the number of components is determined based on the minimum message length criterion (MML). The KL divergence between these two mixture models is utilized as the loss function for stochastic optimization to find the optimal parameters of the transformation model. The self-built point clouds are used to evaluate the performance of the proposed algorithm on rigid registration. Experiments demonstrate that the algorithm dramatically reduces the impact of noise and outliers and effectively extracts the key features of the data-intensive regions.<\/jats:p>","DOI":"10.3390\/jimaging9090179","type":"journal-article","created":{"date-parts":[[2023,8,31]],"date-time":"2023-08-31T11:33:25Z","timestamp":1693481605000},"page":"179","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Data-Weighted Multivariate Generalized Gaussian Mixture Model: Application to Point Cloud Robust Registration"],"prefix":"10.3390","volume":"9","author":[{"given":"Bingwei","family":"Ge","sequence":"first","affiliation":[{"name":"Concordia Institute for Information Systems Engineering, Concordia University, 1515 St. Catherine Street West, Montreal, QC H3G 2W1, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fatma","family":"Najar","sequence":"additional","affiliation":[{"name":"Concordia Institute for Information Systems Engineering, Concordia University, 1515 St. Catherine Street West, Montreal, QC H3G 2W1, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7224-7940","authenticated-orcid":false,"given":"Nizar","family":"Bouguila","sequence":"additional","affiliation":[{"name":"Concordia Institute for Information Systems Engineering, Concordia University, 1515 St. Catherine Street West, Montreal, QC H3G 2W1, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,8,31]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Zhu, H., Guo, B., Zou, K., Li, Y., Yuen, K.V., Mihaylova, L., and Leung, H. 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