2 papers
astro-ph.CO2024
CMBFSCNN: Cosmic Microwave Background Polarization Foreground Subtraction with Convolutional Neural Network
Ye-Peng Yan, Si-Yu Li, Guo-Jian Wang +2
In our previous study, we introduced a machine-learning technique, namely CMBFSCNN, for the removal of foreground contamination in cosmic microwave background (CMB) polarization da…
astro-ph.CO2024
A Constrained NILC method for CMB B mode observations
Zirui Zhang, Yang Liu, Si-Yu Li +2
The Internal Linear Combination (ILC) method is commonly employed to extract the cosmic microwave background (CMB) signal from multi-frequency observation maps. However, the perfor…