Help us make Indico better by taking this survey! Aidez-nous à améliorer Indico en répondant à ce sondage !

12–16 Dec 2022
IISER Mohali
Asia/Kolkata timezone

Machine Learning Frameworks for next-generation of Cosmology Surveys

12 Dec 2022, 16:15
15m
LH5 (IISER Mohali)

LH5

IISER Mohali

Lecture Hall Complex, IISER Mohali, Sector 81, Knowledge city, SAS Nagar, Punjab, India

Speaker

Nikhel Gupta (CSIRO Space & Astronomy)

Description

In this talk, I will show applications of the state-of-the-art supervised, un-supervised and weakly-supervised machine learning (ML) algorithms to solve problems in cosmology and astronomy. I will show ML-based galaxy clusters' mass modeling to capture the Sunyaev Zel'dovich (SZE) and Cosmic Microwave Background (CMB) lensing effects, using convolutional neural networks (CNNs). I will show an application of self-organizing maps (SOMs) to discover new radio sources in the Australian Square Kilometre Pathfinder surveys (ASKAP). I will also present state-of-the-art weakly supervised ML methods to classify and segment radio galaxies on cosmological scales. All these methods are domain agnostic and can be easily applied to other fields of physics.

Session Astroparticle Physics and Cosmology

Primary author

Nikhel Gupta (CSIRO Space & Astronomy)

Presentation materials