Auto-diff Estimator of Lensing Perturbations
Project description
imPT
Fast estimator for Lensing Perturbation (impt) on astronomical images using
the auto differentiating function of jax. The code need to be combined with
estimator (e.g. FPFS) compressing image
to catalog. It is a simple code to infer shear from the catalog with correction for noise bias
Installation
For stable (old) version, which have not been updated:
pip install impt
For developers, please clone the repository:
git clone https://github.com/mr-superonion/imPT.git
pip install -e . --user
Summary
For the first version of imPT, we implement FPFS and use imPT to auto
differentiate FPFS.
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