D. Pereira

Publications
Influence

A new computer vision-based approach to aid the diagnosis of Parkinson's disease

C. Pereira, D. Pereira, +4 authors J. Papa
Computer Science, Medicine
Comput. Methods Programs Biomed.
1 November 2016

In this work, we consider the problem of aiding automatic PD diagnosis by means of micrography using computer vision and machine learning techniques. Expand

A Step Towards the Automated Diagnosis of Parkinson's Disease: Analyzing Handwriting Movements

C. Pereira, D. Pereira, +4 authors J. Papa
Computer Science
IEEE 28th International Symposium on Computer…
22 June 2015

We present some results toward the automated diagnosis of Parkinson's disease by means of computer vision-based techniques in a dataset composed by dozens of patients, which is one of the main contributions of this work. Expand

Machine Learning Algorithms for Automatic Classification of Marmoset Vocalizations

H. Turesson, S. Ribeiro, D. Pereira, J. Papa, V. H. C. de Albuquerque
Computer Science, Medicine
PloS one
21 September 2016

Automatic classification of vocalization type could potentially become a useful tool for acoustic the monitoring of captive colonies of highly vocal primates. Expand

Stroke Lesion Detection Using Convolutional Neural Networks

D. Pereira, P. Filho, G. Rosa, J. Papa, V. Albuquerque
Computer Science
International Joint Conference on Neural Networks…
8 July 2018

We deal with the problem of stroke detection in Computed Tomography (CT) images using Convolutional Neural Networks (CNN) optimized by Particle Swarm optimization (PSO). Expand

A New Method for Automatic Vehicle License Plate Detection

Guilherme Lofrano Corneto, Francisco Assis da Silva, +5 authors Helton Molina Sapia
Computer Science
IEEE Latin America Transactions
2017

In this work is presented a method for real time detection and segmentation of car license plates based on image analyzing and processing techniques. Expand

On the Harmony Search Using Quaternions

J. Papa, D. Pereira, A. Baldassin, X. Yang
Computer Science
ANNPR
28 September 2016

We present a variant of the Harmony Search algorithm based on quaternions, which extend complex numbers and have been shown to be suitable to handle optimization problems in high dimensional spaces. Expand

Robust automated cardiac arrhythmia detection in ECG beat signals

V. Albuquerque, Thiago M. Nunes, +4 authors J. Tavares
Computer Science
Neural Computing and Applications
1 February 2018

We compared six distance metrics, six feature extraction algorithms and three classifiers in two variations of the same dataset, being the performance of the techniques compared in terms of effectiveness and efficiency. Expand

Convolutional Neural Networks Applied for Parkinson's Disease Identification

C. Pereira, D. Pereira, J. Papa, G. Rosa, X. Yang
Computer Science
Machine Learning for Health Informatics
2016

In this work, we are interested into aiding physicians in such task by means of machine learning techniques, which can learn proper information from digitized versions of the exams, and them recommending a probability of a given individual being affected by PD depending on its handwritten skills. Expand

Teaching-learning firewall configuration using a visual modeling web based tool: The SP2Model and its application to Computer Science course

H. Sapia, R. Garcia, C. Junior, D. Pereira, Kleber Manrique Trevisani
Computer Science
IEEE Frontiers in Education Conference (FIE)
2016

The traffic between computer networks must be controlled to prevent unauthorized access. Expand

Unsupervised non-technical losses identification through optimum-path forest

Leandro A. Passos Junior, C. Ramos, +4 authors J. Papa
Engineering
1 November 2016

Abstract Non-technical losses (NTL) identification has been paramount in the last years. However, it is not straightforward to obtain labelled datasets to perform a supervised NTL recognition task.… Expand

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