DPHEM toolbox for simplifying GMMs

Toolboxes for density-preserving HEM algorithm for simplifying mixture models.

• Files: Python toolbox (compatible with sklearn.mixture.GaussianMixture) and Matlab toolbox
• If you use this code please cite:
  
  Density-Preserving Hierarchical EM Algorithm: Simplifying Gaussian Mixture Models for Approximate Inference.
  Lei Yu, Tianyu Yang, and Antoni B. Chan,
  IEEE Trans. on Pattern Analysis and Machine Intelligence (TPAMI), 41(6):1323-1337, June 2019.