Séminaire / Seminar GReCO |
| « Understanding neural networks and their place in cosmology and astronomy » |
|
Tom Charnock |
| Machine learning has become widespread throughout physical sciences. I will present a pedagogical overview of how neural networks work and how they can be presented as statistical models. After presenting a few recent test cases of how useful machine learning can be for cosmology and astronomy, I will go on to show how and why neural networks themselves are partially flawed for scientific purposes, due to lack of uncertainty quantification. I will then present methods in which we can build neural networks into a statistical framework to regain this trust and understanding. |
|
lundi 17 février 2020 - 11:00 Salle des séminaires Évry Schatzman Institut d'Astrophysique de Paris |
| Pages web du séminaire / Seminar's webpage |