1 code implementation • 31 Oct 2020 • Gustavo Z. Felipe, Jacqueline N. Zanoni, Camila C. Sehaber-Sierakowski, Gleison D. P. Bossolani, Sara R. G. Souza, Franklin C. Flores, Luiz E. S. Oliveira, Rodolfo M. Pereira, Yandre M. G. Costa
In the proposed approach, we have performed the classification task with handcrafted features and deep learning based techniques, also known as non-handcrafted features.
no code implementations • 18 May 2020 • Voncarlos M. Araujo, Alceu S. Britto Jr., Luiz E. S. Oliveira, Alessandro L. Koerich
Automatic plant classification is a challenging problem due to the wide biodiversity of the existing plant species in a fine-grained scenario.
no code implementations • 28 Mar 2020 • Andre G. Hochuli, Alceu S. Britto Jr., Jean P. Barddal, Luiz E. S. Oliveira, Robert Sabourin
An end-to-end solution for handwritten numeral string recognition is proposed, in which the numeral string is considered as composed of objects automatically detected and recognized by a YoLo-based model.
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 • 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.
no code implementations • 16 Apr 2019 • Jonathan de Matos, Alceu de Souza Britto Jr., Luiz E. S. Oliveira, Alessandro L. Koerich
In this work we present a literature review about the computing techniques to process HI, including shallow and deep methods.
no code implementations • 24 Apr 2018 • Andre G. Hochuli, Luiz E. S. Oliveira, Alceu S. Britto Jr, Robert Sabourin
This paper presents segmentation-free strategies for the recognition of handwritten numeral strings of unknown length.
no code implementations • 13 Aug 2014 • Albert H. R. Ko, Robert Sabourin, Alceu S. Britto Jr, Luiz E. S. Oliveira
Our scheme is the first ensemble selection method to be presented in the literature based on the concept of data diversity.