Mixture Model
Mixture models are statistical tools used to represent complex data distributions as a combination of simpler component distributions, aiming to improve modeling accuracy and interpretability. Current research focuses on developing efficient algorithms for parameter estimation (e.g., EM algorithms, gradient methods, and moment methods), exploring novel architectures like mixtures of experts and incorporating mixture models into various applications such as object pose estimation, time series prediction, and noisy label learning. The widespread applicability of mixture models across diverse fields, from materials science to machine learning, highlights their significance in providing flexible and powerful tools for data analysis and modeling.
Papers
A Novel Multivariate Skew-Normal Mixture Model and Its Application in Path-Planning for Very-Large-Scale Robotic Systems
Pingping Zhu, Chang Liu, Peter Estephan
A Regression Mixture Model to understand the effect of the Covid-19 pandemic on Public Transport Ridership
Hugues Moreau, Étienne Côme, Allou Samé, Latifa Oukhellou
On semi-supervised estimation using exponential tilt mixture models
Ye Tian, Xinwei Zhang, Zhiqiang Tan
Transformers can optimally learn regression mixture models
Reese Pathak, Rajat Sen, Weihao Kong, Abhimanyu Das
Mixture of Coupled HMMs for Robust Modeling of Multivariate Healthcare Time Series
Onur Poyraz, Pekka Marttinen