no code implementations • 4 Aug 2022 • Caio da S. Dias, Alceu de S. Britto Jr., Jean P. Barddal, Laurent Heutte, Alessandro L. Koerich
This paper presents a deep learning approach for image retrieval and pattern spotting in digital collections of historical documents.
no code implementations • 26 Apr 2022 • Bruna Delazeri, Leonardo L. Veras, Alceu de S. Britto Jr., Jean Paul Barddal, Alessandro L. Koerich
This work describes different strategies to generate unsupervised representations obtained through the concept of self-taught learning for facial emotion recognition (FER).
no code implementations • 31 Jan 2020 • Steve Tsham Mpinda Ataky, Jonathan de Matos, Alceu de S. Britto Jr., Luiz E. S. Oliveira, Alessandro L. Koerich
Such a problem is troublesome because most of the ML algorithms attempt to optimize a loss function that does not take into account the data imbalance.
no code implementations • 28 May 2019 • Jonathan de Matos, Alceu de S. Britto Jr., Luiz E. S. de Oliveira, Alessandro L. Koerich
Biopsies are the gold standard for breast cancer diagnosis.
no code implementations • 16 Apr 2019 • Jonathan de Matos, Alceu de S. Britto Jr., Luiz E. S. Oliveira, Alessandro L. Koerich
This work proposes a classification approach for breast cancer histopathologic images (HI) that uses transfer learning to extract features from HI using an Inception-v3 CNN pre-trained with ImageNet dataset.