Zeyu Jia

Entropic characterization of optimal rates for learning Gaussian mixtures

2023 · arXiv (Cornell University)

We consider the question of estimating multi-dimensional Gaussian mixtures (GM) with compactly supported or subgaussian mixing distributions. Minimax estimation rate for this class (under Hellinger, TV and KL divergences) is a long-standing open question, even …

Research and Application Exploration of Disaster Situation Collaborative Sensing Technology for the Scene of Major Disasters

2023

In the rescue scene of major disasters and major accidents, the use of a single disaster perception technology will easily lead to the rescuers' incomplete grasp of the disaster situation on the scene and their …