Expectation Maximization Python Packages

pycpd

Pure Numpy Implementation of the Coherent Point Drift Algorithm

adamixture

Fast population clustering with Adam-EM Optimization.

unsupervised-multimodal-trajectory-modeling

We use EM for a mixture of state space models to perform unsupervised clustering of short trajectories.

ppca-py

[ppca-cpp] Probabilistic PCA (PPCA) with missing-data support — fast C++ core, clean Python API.

biocpd

Coherent Point Drift variants (rigid, affine, deformable, PCA/SSM) in NumPy/SciPy

tgmm

A Gaussian Mixture Model (GMM) based on Expectation-Maximisation (EM) implemented in PyTorch