2 papers
astro-ph.IM2026
Advancing weak lensing mass mapping with a mask-aware HEALPix transformer
Yihe Wang, Yu Yu
We present HEALFormer, a transformer-based neural network architecture for weak gravitational lensing mass mapping that reconstructs convergence maps from incomplete and noisy shea…
astro-ph.CO2023
Accurate Kappa Reconstruction Algorithm for masked shear catalog (AKRA)
Yuan Shi, Pengjie Zhang, Zeyang Sun +1
Weak gravitational lensing is an invaluable tool for understanding fundamental cosmological physics. An unresolved issue in weak lensing cosmology is to accurately reconstruct the…