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https://doi.org/10.14428/esann...
Article . 2023 . Peer-reviewed
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An Alternating Minimization Algorithm with Trajectory for Direct Exoplanet Detection

Authors: Daglayan Sevim, Hazan; Vary, Simon; Absil, Pierre-Antoine; ESANN 2023 - European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning;

An Alternating Minimization Algorithm with Trajectory for Direct Exoplanet Detection

Abstract

Effective image post-processing algorithms are vital for the successful direct imaging of exoplanets. Existing algorithms use techniques based on a low-rank approximation to separate the rotating planet signal from the quasi-static speckles. In this paper, we present a novel approach that iteratively finds the planet’s flux and the low-rank approximation of quasi-static signals, strengthening the existing model based on lowrank approximations. We implement the algorithm with two different norms and test it on data, showing improvement over classical low-rank approaches. Our results highlight the benefits of iterative refinement of low-rank approximation to enhance planet detection.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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