Search Results for author: Dominique Fouchez

Found 4 papers, 4 papers with code

Astronomical image time series classification using CONVolutional attENTION (ConvEntion)

1 code implementation3 Apr 2023 Anass Bairouk, Marc Chaumont, Dominique Fouchez, Jerome Paquet, Frédéric Comby, Julian Bautista

In this work, we solved various problems the datasets tend to suffer from and we present new results for classifications using astronomical image time series with an increase in accuracy of 13%, compared to state-of-the-art approaches that use image time series, and a 12% increase, compared to approaches that use light curves.

Classification Time Series +1

Galaxy Image Translation with Semi-supervised Noise-reconstructed Generative Adversarial Networks

1 code implementation19 Jan 2021 Qiufan Lin, Dominique Fouchez, Jérôme Pasquet

Image-to-image translation with Deep Learning neural networks, particularly with Generative Adversarial Networks (GANs), is one of the most powerful methods for simulating astronomical images.

Image-to-Image Translation Translation

Photometric redshifts from SDSS images using a Convolutional Neural Network

2 code implementations18 Jun 2018 Johanna Pasquet, Emmanuel Bertin, Marie Treyer, Stéphane Arnouts, Dominique Fouchez

We also find that the CNN redshifts are unbiased with respect to galaxy inclination, and that $\sigma_{MAD}$ decreases with the signal-to-noise ratio (SNR), achieving values below 0. 007 for SNR >100, as in the deep stacked region of Stripe 82.

Instrumentation and Methods for Astrophysics

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