activity
20172022
most citedOn the discovery of stars, quasars, and galaxies in the Southern Hemisphere with S-PLUS DR2

43 citations · 54 across the 4 of their papers we have counts for

collaborators

8 papers

eess.SP20226 cited

Digital Signal Analysis based on Convolutional Neural Networks for Active Target Time Projection Chambers

G. F. Fortino, J. C. Zamora, L. E. Tamayose +2

An algorithm for digital signal analysis using convolutional neural networks (CNN) was developed in this work. The main objective of this algorithm is to make the analysis of exper…

astro-ph.GA202143 cited

On the discovery of stars, quasars, and galaxies in the Southern Hemisphere with S-PLUS DR2

L. Nakazono, C. Mendes de Oliveira, N. S. T. Hirata +25

This paper provides a catalogue of stars, quasars, and galaxies for the Southern Photometric Local Universe Survey Data Release 2 (S-PLUS DR2) in the Stripe 82 region. We show that…

cs.CV2020

Self-supervised Learning for Astronomical Image Classification

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. In this pa…

cs.CV20191 cited

Greenery Segmentation In Urban Images By Deep Learning

Artur A. M. Oliveira, Nina S. T. Hirata, Roberto Hirata

Vegetation is a relevant feature in the urban scenery and its awareness can be measured in an image by the Green View Index (GVI). Previous approaches to estimate the GVI were base…

cs.LG2019

Deep Learning Multidimensional Projections

Mateus Espadoto, Nina S. T. Hirata, Alexandru C. Telea

Dimensionality reduction methods, also known as projections, are frequently used for exploring multidimensional data in machine learning, data science, and information visualizatio…

cs.CV2017

Symbol detection in online handwritten graphics using Faster R-CNN

Frank D. Julca-Aguilar, Nina S. T. Hirata

Symbol detection techniques in online handwritten graphics (e.g. diagrams and mathematical expressions) consist of methods specifically designed for a single graphic type. In this…