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stat.ML2021
Minimum Wasserstein Distance Estimator under Finite Location-scale Mixtures
Qiong Zhang, Jiahua Chen
When a population exhibits heterogeneity, we often model it via a finite mixture: decompose it into several different but homogeneous subpopulations. Contemporary practice favors l…
stat.ML2020★ 6 cited
Gaussian Mixture Reduction with Composite Transportation Divergence
Qiong Zhang, Archer Gong Zhang, Jiahua Chen
Gaussian mixtures are widely used for approximating density functions in various applications such as density estimation, belief propagation, and Bayesian filtering. These applicat…