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GAN for Cosmology

· One min read
Lucas Brunner

Galaxy image A representative example of a cosmology image (left). Setting all pixels with higher-than-average brightness to white reveals a complex structure that is undetectable by means of visual inspection (right).

Semester project for the Computational Intelligence Lab 2020 at ETHZ

The first part of this project is to build a generative model that is able to produce realistic cosmology images. The provided dataset contains 10800 gray-scales images with 1000x1000 pixels resolution. The second objective is to repurpose the aforementioned generative model and use it to predict so-called "score-values": A function that measures the similarity of a cosmologic image to a "prototypically ideal" image is defined on a large subset of the data. Finally, a set of unseen query images needs to be scored and submitted to the Kaggle competition.

GitHub repository: Repo

Report PDF: Report

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