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ASCL Code Record

[ascl:2112.004] Defringe: Fringe artifact correction

Defringe corrects fringe artifacts in near-infrared astronomical images taken with old generation CCD cameras. It essentially solves a robust PCA problem, masking out astrophysical sources, and models the contaminants as a linear superposition of (unknown) modes, with (unknown) projection coefficients. The problem uses nuclear norm regularization, which acts as a convex proxy for rank minimization. The code is written in python, using cupy for GPU acceleration, but will also work on CPUs.

Code site:
https://github.com/simon-prunet/defringe
Described in:
https://ui.adsabs.harvard.edu/abs/2021PASP..133k4502P
Bibcode:
2021ascl.soft12004P

Views: 2208

ascl:2112.004
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