Detection of metal absorption lines in quasar spectra: a neural network approach using U-Net

arXiv:2609.28072 · astro-ph.GA · Submitted 2026-09-23 · Read on arXiv

astro-ph.GA

Submitted: 2026-09-23

Updated: 2026-09-23

Code: https://github.com/keras-team/keras-tuner

Terminology

F1 Score — 30× in this paper · explained in 3 episodes
Accuracy — 10× in this paper · explained in 1 episode
U-net architecture — 7× in this paper · explained in 3 episodes
Loss Function — 6× in this paper · explained in 2 episodes
Activation Function — 4× in this paper · explained in 1 episode
Attention Mechanism — 2× in this paper · explained in 2 episodes
Society of Photo-Optical Instrumentation Engineers — 2× in this paper
Abstraction — 1× in this paper · explained in 1 episode
Bayesian Optimization — 1× in this paper · explained in 3 episodes
Consistency — 1× in this paper · explained in 3 episodes
Feature Extraction — 1× in this paper · explained in 2 episodes
Kernel Density Estimator — 1× in this paper
Regularization — 1× in this paper · explained in 3 episodes
Transformer — 1× in this paper · explained in 2 episodes
alpha — 1× in this paper · explained in 1 episode

Sources

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