R. Chaves

Universidade Federal do Ceará — Brazil

Computer Science · Physical Sciences

18h-index1.5kcitations47works1.02yr avg
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Research Topics

Image Retrieval and Classification Techniques(15), Brain Tumor Detection and Classification(15), Face and Expression Recognition(12), Medical Image Segmentation Techniques(11), Alzheimer's disease research and treatments(9)

Publications47 total

Assessment of body composition, sarcopenia and protein intake in mild to moderate Parkinson’s disease
Frontiers in Nutrition·2025· 2 citedOpen Access
PANORAMIC: Discovery of an Ultra-Massive Grand-Design Spiral Galaxy at $z\sim5.2$
arXiv (Cornell University)·2024Open Access
A Financial Distress Prediction using a Non-stationary Dataset
2023· 2 citedOpen Access
Financial Distress Prediction in an Imbalanced Data Stream Environment
Lecture notes in computer science·2023· 2 cited
FDG and PIB biomarker PET analysis for the Alzheimer's disease detection using Association Rules
2012· 15 cited
Intensity normalization of FP-CIT SPECT in patients with Parkinsonism using the α-stable distribution
2012· 2 cited
Integrating discretization and association rule-based classification for Alzheimer’s disease diagnosis
Expert Systems with Applications·2012· 49 cited
Functional brain image classification using association rules defined over discriminant regions
Pattern Recognition Letters·2012· 24 cited
Association rule-based feature selection method for Alzheimer’s disease diagnosis
Expert Systems with Applications·2012· 66 cited
Automatic differentiation between controls and Parkinson’s disease DaTSCAN images using a Partial Least Squares scheme and the Fisher Discriminant Ratio
Frontiers in artificial intelligence and applications·2012· 3 cited
Effective voxel selection method over FDG-PET database based on Association Rules
Frontiers in artificial intelligence and applications·2012
Efficient mining of association rules for the early diagnosis of Alzheimer's disease
Physics in Medicine and Biology·2011· 44 cited
A comparative study of feature extraction methods for the diagnosis of Alzheimer's disease using the ADNI database
Neurocomputing·2011· 68 cited
Effective Diagnosis of Alzheimer’s Disease by Means of Distance Metric Learning and Random Forest
Lecture notes in computer science·2011· 5 cited
Distance Metric Learning as Feature Reduction Technique for the Alzheimer’s Disease Diagnosis
Lecture notes in computer science·2011· 3 cited
A Quantitative Study on Acupuncture Effects for Fighting Migraine Using SPECT Images
Lecture notes in computer science·2011· 2 cited
Effective Diagnosis of Alzheimer’s Disease by Means of Distance Metric Learning
Lecture notes in computer science·2011· 1 cited
SVM with Bounds of Confidence and PLS for Quantifying the Effects of Acupuncture on Migraine Patients
Lecture notes in computer science·2011· 4 cited
Feature selection using factor analysis for Alzheimer's diagnosis using PET images
Medical Physics·2010· 72 citedOpen Access
18F-FDG PET imaging analysis for computer aided Alzheimer’s diagnosis
Information Sciences·2010· 140 cited
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Frequent Co-authors

Javier Ramı́rez(41), J. M. Górriz(41), D. Salas-González(35), F. Segovia(34), M. López(33), I. Álvarez(33), Pablo Padilla(17), Carlos G. Puntonet(13), Manuel Gómez-Río(6), Elmar W. Lang(3), I. Aacute lvarez(2), Alberto Olivares(2), Grand M(2), J. Ram iacute rez(2), André Luis Debiaso Rossi(2), Luís P. F. Garcia(2), Alfonso E. Romero(1), A. Lassl(1), Ana Olivia Ramos Rodríguez(1), Fabian J. Theis(1)