no code implementations • 4 Aug 2022 • Guilherme P. B. Garcia, Carlos H. Grohmann, Lucas P. Soares, Mateus Espadoto
Values of precision and recall were very similar between the combinations tested.
no code implementations • 2 Nov 2021 • Mateus Espadoto, Gabriel Appleby, Ashley Suh, Dylan Cashman, MingWei Li, Carlos Scheidegger, Erik W Anderson, Remco Chang, Alexandru C Telea
Projection techniques are often used to visualize high-dimensional data, allowing users to better understand the overall structure of multi-dimensional spaces on a 2D screen.
no code implementations • 25 Jun 2021 • Gabriel Appleby, Mateus Espadoto, Rui Chen, Samuel Goree, Alexandru Telea, Erik W Anderson, Remco Chang
Projection algorithms such as t-SNE or UMAP are useful for the visualization of high dimensional data, but depend on hyperparameters which must be tuned carefully.
no code implementations • 23 Apr 2020 • Ana Martinazzo, Mateus Espadoto, Nina S. T. Hirata
In Astronomy, a huge amount of image data is generated daily by photometric surveys, which scan the sky to collect data from stars, galaxies and other celestial objects.
no code implementations • 21 Feb 2019 • Mateus Espadoto, Nina S. T. Hirata, Alexandru C. Telea
We train a deep neural network based on a collection of samples from a given data universe, and their corresponding projections, and next use the network to infer projections of data from the same, or similar, universes.