Search Results for author: Katerina Papagiannouli

Found 3 papers, 1 papers with code

Critical Points and Convergence Analysis of Generative Deep Linear Networks Trained with Bures-Wasserstein Loss

1 code implementation6 Mar 2023 Pierre Bréchet, Katerina Papagiannouli, Jing An, Guido Montúfar

We consider a deep matrix factorization model of covariance matrices trained with the Bures-Wasserstein distance.

High dimensional change-point detection: a complete graph approach

no code implementations16 Mar 2022 Yang-Wen Sun, Katerina Papagiannouli, Vladimir Spokoiny

We propose a complete graph-based, change-point detection algorithm to detect change of mean and variance from low to high-dimensional online data with a variable scanning window.

Change Point Detection Vocal Bursts Intensity Prediction

Online Graph-Based Change-Point Detection for High Dimensional Data

no code implementations7 Jun 2019 Yang-Wen Sun, Katerina Papagiannouli, Vladmir Spokoiny

Online change-point detection (OCPD) is important for application in various areas such as finance, biology, and the Internet of Things (IoT).

Change Point Detection Vocal Bursts Intensity Prediction

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