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Journal Papers

Hafemann, L.G., Sabourin, R., Oliveira, L. S., Learning Features for Offline Handwritten Signature Verification using Deep Convolutional Neural Networks, Pattern Recognition, 70:163-176, 2017 [pdf]

Furlaneto, D.,  Oliveira, L. S., Menotti, D., Cavalcanti, G., Bias effect on predicting market trends with EMD, Expert Systems with Applications, 82:91-26, 2017 [pdf]

Costa, Y. M. G., Oliveira, L. S. Silla Jr., C. N., An Evaluation of Convolutional Neural Networks for Music Classification Using Spectrogram, Applied Soft Computing, 52(1):28-38, 2017. [pdf]

Viegas, E., Santin, A., França, A., Jasinski, R., Pedroni, V., Oliveira, L. S., Towards an Energy-Efficient Anomaly-Based Intrusion Detection Engine for Embedded Systems, IEEE Transactions on Computers, (TOC), 66(1):163-177, 2017.  [pdf].

Spanhol, F., Oliveira, L. S., Petitjean, C., Heutte, L., A Dataset for Breast Cancer Histopathological Image Classification, IEEE Transactions on Biomedical Engineering (TBME), 63(7):1455-1462, 2016 [pdf].

Cavalcanti G., Oliveira, L. S, Moura T. M., Carvalho G., Combining Diversity Measures for Ensemble Pruning, Pattern Recognition Letters, 74:38-45, 2016 [pdf]

Almeida, P., Oliveira, L. S., Britto Jr, A., S., Silva Jr, E., Koerich,A., PKLot – A Robust dataset for parking lot classification, Expert Systems with Applications, 42(11):4937-4949, 2015. [pdf]

Martins, J., Oliveira, L. S., Britto Jr, A., S., Sabourin, R., Forest Species Recognition based on Dynamic Classifier Selection and Dissimilarity Feature Vector Representation, Machine Vision and Applications, 26(2):279-293, 2015. pdf

Climent, J. and Oliveira L. S., A New Algorithm for Number of Holes Attribute Filtering of Grey-level Images, Pattern Recognition Letters, 53(1):24-30, 2015. pdf

Britto Jr. A., Sabourin, R., Oliveira, L. S, Dynamic Selection of Classifiers – A Comprehensive Review, Pattern Recognition, 47(11):3665-3680, 2014. pdf

Paula Filho, P. L., Oliveira, L. S., Nisgoski, S., Britto Jr. A. S., Forest Species Recognition using Macroscopic Images, Machine Vision and Applications, 25(4):1019-1031, 2014. pdf

Olivo, C., Santin, A., Oliveira, L. S., Obtaining the Threat Model for Email Phishing, Applied Soft Computing, 13(12):4841-4848, 2013. pdf

Ribas, F. C., Oliveira, L. S., Britto Jr., A. S., Sabourin, R., Handwritten Digit Segmentation: A Comparative Study, International Journal of Document Analysis and Recognition, 16(2):127-137, 2013 . pdf

Martins, J., Oliveira, L. S., Nisgoski, S., Sabourin, R., A Database for Automatic Classification of Forest Species, Machine Vision and Applications, 24(3):567-578, 2013. pdf

Oliveira Jr., W.,Oliveira, L. S., Justino, E., Comparing Compression Models for Authorship Attribution, Forensic Science International, 228(1-3):100-104, 2013. pdf.

Silva, H.,Oliveira, L. S., Britto Jr, A. S., Koerich, A. L., Network Infrastructure Design with a Multilevel Algorithm, Expert Systems With Applications, 40(9):3471-3480, 2013. pdf

Bertolini, D.,Oliveira, L. S., Justino, E., Sabourin, R., Texture-based Descriptors for Writer Identification and Verification, Expert Systems With Applications, 40(6):2069-2080, 2013. pdf

Zavaschi, T., Britto, Jr. A.S., Oliveira, L. S., Koerich, A., Fusion of Feature Sets and Classifiers for Facial Expression Recognition, Expert Systems with Applications, 40(2), 646-655, 2013 pdf

Vriesmann, L., Britto Jr., A., Oliveira, L. S., Sabourin, R., Ko, A., Improving a Dynamic Ensemble Selection Method based on Oracle Information, International Journal of Innovative Computing and Applications, 4(3-4):184-200, 2012. pdf

Hanusiak, R. K., Justino, E., Oliviera, L. S., Sabourin, R. Writer Verification Using Texture-based Features, International Journal of Document Analysis and Recognition, 15(3):213-226, 2012. pdf

Costa Y., Oliveira, L. S., Koerich, A. L., Gouyon, F., Martins, J. Music Genre Classification Using LBP Texture Features, Signal Processing, 92(11):2723-2737, 2012. pdf

Oliveira, L. S., Mansano, M., Koerich, A., Britto A., Selecting 2DPCA Coefficients for Face and Facial Expression Recognition, IEEE Computing in Science and Engineering, 13(3):9-13, 2011. pdf

Rios, I., Britto Jr., A. S., Koerich, A., Oliveira, L. S., An OCR Free Method for Word Spotting in Printed Documents: The Evaluation of Different Feature Sets, Journal of Universal Computer Science, 17(1):48-63, 2011.

Hanusisak R. K., Justino, E., Oliviera, L. S., Sabourin, R. Identificação da Autoria de Manuscritos com Base em Atributos Genéticos e Genéricos da Escrita, Revista de Informática Teórica e Aplicada, 17(2):193-209, 2010 link (in Portuguese).

Bertolini, D.,Oliveira, L. S., Justino, E., Sabourin, R., Reducing Forgeries in Writer-Independent Off-Line Signature Verification Through Ensemble of Classifiers, Pattern Recognition, 43(1):387-396, 2010. pdf

Bergamini, C. M., Oliveira, L. S., Koerich, A. L., Sabourin, R., Combining different biometric traits with one-class classification, Signal Processing, 89(11):2117-2127, 2009. pdf

Pavelec, D., Oliveira, L. S., Justino, E., Batista L. V., Using Conjunctions and Adverbs for Author Verification. Journal of Universal Computer Science (JUCS), 14(18):2967-2981, 2008. pdf

Abu Hana, R., Freitas, C., Oliveira, L. S., Bortolozzi, F., Crime Scene Classification (2D, 3D, Stereoscopic Projection) and Classification, Journal of Universal Computer Science (JUCS), 14(18):2953-2966, 2008. pdf

Oliveira, L. S., Cavalin, P., Britto Jr., A., Koerich, A., Inspeção Automárica de Defeitos em Madeira Pinus usando Visão Computacional. Revista de Informática Teórica e Aplicada, 15(2):204-217, 2008. (in Portuguese) pdf

Vellasques, E., Oliveira, L. S., Britto Jr., A., Koerich, A., Sabourin, R., Filtering Segmentation Cuts for Digit String Recognition, Pattern Recognition, 41(10):3044-3053, 2008. pdf

Freitras, C., Oliveira, L. S., Aires, S., Bortolozzi, F., Zoning and Metaclasses for Character Recognition, Journal of Universal Computer Science (JUCS), 14(2):211-223, 2008. pdf

Oliveira, L. S., Justino, E., Sabourin, R., Bortolozzi, F., Combining Classifiers in the ROC Space for Off-line Signature Verification, Journal of Universal Computer Science (JUCS), 14(2):237-251, 2008. pdf

Pavelec, D., Justino, E., Oliveira, L. S., Author Identification Using Stylometric Features, Ibero-American Journal of Artificial Intelligence, 11(36):59-65, 2007. pdf

Granger, E., Henniges, P., Sabourin, R., Oliveira, L. S., Supervised Learning of Fuzzy ARTMAP Neural Networks Through Particle Swarm Optimisation, Journal of Pattern Recognition Research (JPRR), 2(1):27-60, 2007. pdf

Ko A., Sabourin R., Britto Jr. A., Oliveira L. S., Pairwise Fusion Matrix for Combining Classifiers. Pattern Recognition, 40(8):2198-2210, 2007. pdf

Freitas C., Oliveira L. S., Aires S., Bortolozzi F., Handwritten Character Recognition Using Non-Symmetrical Perceptual Zoning, International Journal of Pattern Recognition and Artificial Intelligence (IJPRAI), 21(1):135-155, 2007. pdf

Justino E., Oliveira L. S., Protocolo para execução de mandato de busca e apreensão em cenários de crimes digitais, Revista Âmbito Jurídico, 35:1-7, 2007. (in Portuguese) online

Oliveira L. S., Morita M., and Sabourin R., Feature Selection for Ensembles Applied to Handwriting Recognition,International Journal on Document Analysis and Recognition (IJDAR),18(4):262-279, 2006. pdf

Justino E., Oliveira L. S., Freitas C., Reconstructing Shredded Documents Through Feature Matching, Forensic Science International, 160(2-3):140-147, 2006. pdf

Justino E., Freitas C., Oliveira L. S., Técnicas forenses nos crimes de falsidade documental: perícias para determinação da contemporaneidade de tintas de caneta, Revista Brasileira de Ciências Criminais, 14(59):325-345, 2006. (in Portuguese)

Morita M., Oliveira L. S., and Sabourin R., Geração Automática de Conjuntos de Classificadores Através da Seleção de Características não Supervisionada, IEEE Latin America Transactions, 3(5):50-56, 2005, (in Portuguese). pdf

Justino E., Oliveira L. S., Freitas C., Documentoscopia em Documentos Questionados Degradados,Revista Âmbito Jurídico, 8(22):1-10, 2005, (in Portuguese). online

Oliveira L. S., Sabourin R., Bortolozzi F., Suen C.Y. A Methodology for Feature Selection using Multi-Objective Genetic Algorithms for Handwritten Digit String Recognition, International Journal of Pattern Recognition and Artificial Intelligence (IJPRAI), 17(6):903-930, 2003. pdf

Oliveira L. S., Sabourin R., Bortolozzi F., Suen C.Y. Impacts of Verification on a Numeral String Recognition System, Pattern Recognition Letters, 24(7):1023-1031, 2003. pdf

Oliveira L. S., Sabourin R., Bortolozzi F., Suen C.Y. Automatic Recognition of Handwritten Numerical Strings: A Recognition and Verification Strategy, IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 24(11):1438-1454, 2002. pdf

Book Chapters

Oliveira, L. S., Authorship Analysis in Documents, Digital Document Analysis and Processing, ed., C. Mello et al, 2011, ISBN 978-1-62100-326-7. link

Henniges P., Granger E., Sabourin R., and Oliveira L. S., Fuzzy ARTMAP Match Tracking Strategies for the Recognition of Handwritten Characters, Handbook of Pattern Recognition and Computer Vision, ed., C.H. Chen, 4th edition, pages 73-100, 2010. ISBN 9814273384. pdf

Oliveira, L. S., Morita, M, Sabourin, R., Feature Selection for Ensemble using the Multi-Objective Optimization Approach. Studies in Computational Intelligence (SCI) 16, Springer-Verlag, pages 49-74, 2006. ISSN 1860-949X.

Bortolozzi, F., Britto Jr,. A., Oliveira, L. S., and Morita, M., Recent Advances in Handwriting Recognition. In Umapada Pal et al editors, Document Analysis, pages 1-31, 2005. ISBN 8177647849.

Patents

Olivo, C. K. ; Santin, A. O. ; Oliveira, L. S. Obtaining the Threat Model for Email Phishing, National Institute of Industrial Property (INPI) Number PI102012014248-1, Rio de Janeiro, June 2012 (in Portuguese)

Oliveira, L. S., Koerich, A., Britto Jr, A. S., Counting and tracking people with Computer Vision, National Institute of Industrial Property (INPI), Number PI0806019-3, Rio de Janeiro, RJ, Brazil, August 2010 (in Portuguese)

Oliveira, L. S., Koerich, A., Britto Jr, A. S., A computational process for image wood inspection, National Institute of Industrial Property (INPI), Number PI0704329-5, Rio de Janeiro, RJ, Brazil, October 2007 (in Portuguese)

Oliveira, L. S., Koerich, A., Britto Jr, A. S., A method to inspect perfume bottles, National Institute of Industrial Property (INPI), Number PI0600752-0, Rio de Janeiro, RJ, Brazil, March 2006 (in Portuguese)

Conference Papers

Spanhol, F., Cavalin, P., Oliveira, L. S., Petitjean, C.,  Heutte, L. Deep Features for Breast Cancer Histopathological Image Classification, IEEE International Conference on Systems, Man, and Cybernetics (IEEE SMC 2017), Banff, Canada, 2017.

Cavalin, P., Oliveira, L. S.,  Kapp, M., Multi-scale Texture Recognition Systems with Reduced Cost: a Case Study on Forest Species, IEEE International Conference on Systems, Man, and Cybernetics (IEEE SMC 2017), Banff, Canada, 2017.

Viegas, E., Santin, A., Abreu, V., Oliveira, L. S., Stream Learning and Anomaly-based Intrusion Detection in the Adversarial Settings, IEEE Symposium on Computers and Communications (ISCC), Crete, Greece, 2017.

Silva, E.,  Britto Jr., A. S.,  Oliveira, L. S.,   Enembreck, F.,  Sabourin, R., Koerich, A., A Two-Step Method for Designing Efficient Multiple Classifier Systems, International Joint Conference on Neural Networks (IJCNN 2017), Anchorage, USA, 2017.

Almeida, P., Oliveira, L. S., Britto Jr, A., Sabourin, R., Handling Concept Drifts Using Dynamic Selection of Classifiers, IEEE International Conference on Tools with Artiticial Intelligence (ICTAI 2016), pages 989-995, San Jose, USA, 2016 [pdf]

Hafemann, L.G., Sabourin, R., Oliveira, L. S., Analyzing Features Learned for Offline Signature Verification using Deep CNNs, International Conference on Pattern Recognition (ICPR 2016), pages 2984-2989, Cancun, Mexico, 2016 [pdf].

Bertolini, D., Oliveira, L. S., Sabourin, R., Multi-script Writer Identification using Dissimilarity, International Conference on Pattern Recognition (ICPR 2016), pages 3020-3025, Cancun, Mexico, 2016 [pdf].

Spanhol, F., Oliveira, L. S., Petitjean, C., and Heutte, L., Breast Cancer Histopathological Image Classification using Convolutional Neural Network, International Joint Conference on Neural Networks (IJCNN 2016), pages 2560-2567, Vancouver, Canada, 2016. [pdf]

Hafemann, L. G.,  Sabourin, R.,  Oliveira, L. S., Writer-Independent Feature Learning for Off-line Signature Verification using Convolutional Neural Networks, International Joint Conference on Neural Networks (IJCNN 2016), pages 2576-2583, Vancouver, Canada, 2016. [pdf]

Brun, A. L., Britto Jr. A. S., Oliveira, L. S.,  Enembreck, F.,  and Sabourin, R., Contribution of Data Complexity Features on Dynamic Classifier Selection, International Joint Conference on Neural Networks (IJCNN 2016), pages 4396-4403, Vancouver, Canada, 2016.

Bertolini, D.  Oliveira, L. S.,  Sabourin, R., Improving Writer Identification Through Writer Selection,  20th Iberoamerican Congress on Pattern Recognition (CIARP 2015), Montevideo, Uruguay, 2015.

Cavalin, P., Kapp, M., Oliveira, L. S., An Adaptive Multi-Level Framework for Forest Species Recognition, 2015 Brazilian Conference on Intelligent Systems (BRACIS 2015), Natal, 2015. [best paper award]

Aires, S., Freitas, C., Oliveira, L. S., SIFT Applied to Perceptual Zoning for Trademark Retrieval, IEEE International Conference on Systems, Man, and Cybernetics (IEEE SMC 2015), Hong Kong, 2015.

Stiehl, D., Oliveira, L. S.,  Guimarães, C., Britto Jr., A. S, Towards a SignWriting Recognition System, International Conference on Document Analysis and Recognition (ICDAR 2015), Mancy, France, 2015 [pdf].

Hafemann, L. G. ; Cavalin, P. ; Oliveira, L.S, Sabourin, R., Transfer Learning between Texture Classification Tasks using Convolutional Neural Networks, International Joint Conference on Neural Networks (IJCNN 2015), pages 1939-1945, Killarney, Ireland, 2015. [pdf]

Vriesmann, L.M,  Britto Jr, A. S.,  Oliveira, L. S.,  Koerich, A. L.,  Sabourin, R., Combining Overall and Local Class Accuracies in an Oracle-based Method for Dynamic Ensemble Selection, International Joint Conference on Neural Networks (IJCNN 2015), pages 323-329, Killarney, Ireland, 2015.

Haffemann, L. G. ; Cavalin, P. ; Oliveira, L.S. . Forest Species Recognition using Deep Convolutional Neural Networks. International Conference on Pattern Recognition (ICPR2014), pages 1103-1107, Stockholm, Sweden, 2014.

Bertolini, D., Oliveira, L. S., Justino, E., Sabourin, R., Assessing Textural Features For Writer Identification on Different Writing Styles and Forgeries. International Conference on Pattern Recognition (ICPR2014),  pages 268-272, Stockholm, Sweden, 2014.

Diem, M., Saavedra, J., Barrios, J. M., Contreras, D., Oliveira, L. S., ICFHR 2014 Competition on Handwritten Digit String Recognition in Challenging Datasets (HDSRC 2014),  International Conference on Frontiers of Handwriting Recognition (ICFHR2014), pages 779-784, Crete Island, Greece 2014.

Kapp, M.,  Blot, R., Cavalin, P., Oliveira, L.S.,  Automatic Forest Species Recognition based on Multiple Feature Sets. International Joint Conference on Neural Networks (IJCNN2014), pages 1296-1303,  Beijing, China,  2014

Mendonça, V. G., Britto Jr, A., Facon, J., Koerich, A., Oliveira, L. S. , An HMM-based Gesture Recognition Method Trained on Few Samples.  IEEE International Conference on Tools with Artificial Intelligence (ICTAI2014), .640-646, Limassol, Cyprus, 2014.

Aires, S., Freitas, C., Oliveira, L. S., Feature Analysis for Content-based Trademark Retrieval.  27th International Conference on Computer Applications in Industry and Engineering, New Orleans, USA, 2014.

Varela, P. J., Justino, E., Oliveira, L.S., Uso de níveis estruturais e algoritmos genéticos na atribuição de autoria em língua Portuguesa. 9a. Conferencía Ibérica de Sistemas y Tecnologías da Informácion, pages p. 296-298, Barcelona, Spain,  2014.

Guimarães, C., Guardezi, J. Oliveira L. S., Deaf Culture and Sign Language Writing System – a Database for a New Approach to Writing System Recognition Technology, Hawaian International Conference on System Sciences (HICSS 14), pages 3368-3375, Hawaii, USA, 2014.

Costa Y., Oliveira, L. S., Koerich, A., Gouyon, F., Music Genre Recognition using Gabor Filters and LPQ Texture Descriptors, 18th Iberoamerican Congress on Pattern Recognition (CIARP 2013), pages, 67-74, Havana, Cuba, 2013.

Nassu, B. T., Minetto, R., Oliveira, L. S., Text Line Detection in Document Images: Towards a Support System for the Blind, International Conference on Document Analysis and Recognition (ICDAR 2013), pages 638-642, Washington, USA, 2013.

Almeida, P., Oliveira, L. S., Silva Jr, E., Britto Jr, A., Koerich, A., Parking Space Detection using Textural Descriptors, 2013 IEEE International Conference on Systems, Man, and Cybernetics (IEEE SMC), pages 3603-3608, Manchester, UK, 2013.

Porfirio, A., Weingaertner, D., Oliveira, L. S., LIBRAS Sign Language Hand Configuration Recognition Based on 3D Meshes, 2013 IEEE International Conference on Systems, Man, and Cybernetics (IEEE SMC), pages 1588-1593, Manchester, UK, 2013.

Costa Y., Oliveira, L. S., Koerich, A., Gouyon, F.,  Music Genre Recognition Based on Visual Features with Dynamic Ensemble of Classifiers Selection. 20th International Conference on Systems, Signals and Image Processing (IWSSIP 2013), pages 55-58, Bucharest, 2013.

Cavalin, P., Martins, J., Kapp, M., Oliveira, L. S., A Multiple Feature Vector Framework for Forest Species Recognition, 28th ACM Symposium on Applied Computing (ACM SAC 2013), pages 16-20, Coimbra, Portugal, 2013.

Oliveira Jr, W., Justino, E., Oliveira, L. S., Authorship Attribution of Documents Using Data Compression as a Classifier, World Congress on Engineering and Computer Science, pages 1-4, San Francisco, USA, 2012

Almeida, P., Celinski, T. Oliveira, L. S., Britto, A. S. Jr, Koerich, A., Music Genre Classification using Dynamic Selection of Ensemble of Classifiers, 2012 IEEE International Conference on Systems, Man, and Cybernetics (IEEE SMC), pages 2700-2705, Seoul, South Korea, 2012.

Oliveira Jr, W., Justino, E., Oliveira, L. S., Identificação de Autoria de Documentos Eletrônicos, XII Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais (SBSeg 2012), pages 277-287, Curitiba, Brazil, 2012 (in Portuguese).

Oliveira Jr, W., Justino, E., Oliveira, L. S., O uso de Algoritmos de Compressão de Dados na Verificação da Autoria de Textos, IX Encontro Nacional de Inteligência Artificial (ENIA 2012), pages 1-12, Curitiba, Brazil, 2012 (in Portuguese).

Oliveira Jr, W., Justino, E., Oliveira, L. S., Authorship Attribution of Electronic Documents Comparing the Use of Normalized Compression Distance and Support Vector Machine in Authorship Attribution, 19th International Conference on Neural Information Processing (ICONIP 2012), pages 632-639, Doha, Qatar, 2012.

Martins, J., Oliveira, L. S., Sabourin, R., Combining Textural Descriptors for Forest Species Recognition, 38th Annual Conference of the IEEE Industrial Electronics Society (IECON 2012), pages 1483-1488, Montreal, Canada, 2012.

Costa Y., Oliveira, L. S., Koerich, A. L., Gouyon, F., Comparing Textural Features for Music Genre Recognition, IEEE International Joint Conference on Neural Networks (IJCNN 2012), pages 1867-1872, Brisbane, Australia, 2012.

Dittrich, F., Koerich, A., Oliveira, L. S., People Counting In Crowded Scenes Using Multiple Cameras, 19th International Conference on Systems, Signals and Image Processing (IWSSIP 2012), pages 138-141, Viena, Austria, 2012.

Ribas, F. C., Oliveira, L. S., Britto Jr., A. S., Sabourin, Assessing Handwitten Digit Segmentation Algorithms, 27th ACM Symposium on Applied Computing (ACM SAC 2012), pages 772-776, Riva del Garda, Italy, 2012.

Silva, H., Oliveira, L. S., Britto Jr, A., Koerich, A., A Multilevel Algorithm for the Network Design Problem, 37th Annual Conference of the IEEE Industrial Electronics Society (IECON 2011), pages 2225-2229, Melbourne, Australia, 2011.

Mansano, M., Pavesi, L., Oliveira, L. S., Britto Jr, A., Koerich, A., Inspection of Metallic Surfaces using Local Binary Patterns, 37th Annual Conference of the IEEE Industrial Electronics Society (IECON 2011), pages 2152-2156, Melbourne, Australia, 2011.

Varela, P. J., E. Justino, E., Oliveira, L.S., Identificação de Autoria de Textos através do uso de Classes Linguísticas da Língua Portuguesa, 8th Brazilian Symposium in Information and Human Language Technology, pages 174-178, Cuiaba, Brazil, 2011.

Veloso, L., Carvalho, J. M., Freitas, C., Oliveira, L. S., Lexicon-free Writer Dependent Approach for Off-line Handwritten Word Recognition, XXIX Brasileiro de Telecomunicações (SBrT), pages 1-5, Curitiba, Brazil, 2011.

Martins J. G., Costa, Y. M. G., Bertolini, D. Oliveira L. S. Uso de descritores de textura extraídos de GLCM para o reconhecimento de padrões em diferentes domínios de aplicação. XXXVII Conferência Latinoamericana de Informática (CLEI 2011), pages 689-705, Quito, Equador, 2011.

Varela, P. J., E. Justino, E., Oliveira, L. S., Selecting Syntactic Attributes for Authorship Attribution, IEEE International Joint Conference on Neural Networks (IJCNN 2011), pages 167-172, San Jose, USA, 2011.

Costa Y., Oliveira, L. S., Koerich, A. L., Gouyon, F., Music Genre Recognition Using Spectrograms, 18th International Conference on Systems, Signals and Image Processing (IWSSIP 2011), pages 151-154, Sarajevo, Bosnia Herzegovina, 2011.

Costa Y., Oliveira, L. S., Koerich, A. L., Gouyon, F., Classificação de Gêneros Musicais por Texturas no Espaço de Frequência, XXXVIII Seminário Integrado de Software e Hardware (SEMISH-CSBC), Natal, Brazil, 2011.

Pimenta, A., Justino, E., Oliveira, L. S., Reconstrução Digital de Documentos Mutilados usando Programação Dinâmica e Algoritmo de Prim Modificado, VII Computer Vision Workshop (WVC), pages 243-248, Curitiba, Brazil, 2011.

Martins, J., Paula Filho, P. L., Nisgoski, S., Oliveira, L. S., Classificação Automática de Grupos de Espécies Florestais, VII Computer Vision Workshop (WVC), pages 28-33, Curitiba, Brazil, 2011.

Antunes, D. R., Guimarães, C., García, L. S., Oliveira, L. S., Fernandes, S., Framework to Support Development of Sign Language Human-Computer Interaction: Building Tools for Effective Information Access and Inclusion of the Deaf, IEEE Fifth International Conference on Research Challenges in Information Science (IEEE RCIS), pages 126-137, Guadeloupe, France, 2011.

Zavaschi, T., Oliveira, L. S., Koerich., A. L., Facial Expression Recognition Using Ensemble of Classifiers, IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2011), pages 1289-1492, Prague, Czech Republic, 2011.

Silva, H. A., Oliveira, L. S., Britto Jr. A. S.,. Proposta de Planejamento em Etapas para Redes Secundárias de Telecomunicações. XI Simpósio Brasileiro de GeoInformática (GeoInfo), Campos do Jordão, Brazil, 2010.

Koerich, A., Britto Jr., A., Oliveira, L. S., Verification of Unconstrained Handwritten Words at Character Level, 10th International Conference on Frontiers in Handwriting Recognition (ICFHR2010), pages 39-44, Kolkata, India, 2010.

Paula Filho, P. L., Oliveira, L. S., Britto Jr, A., Sabourin, R., Forest Species Recognition using Color-based Features, 20th International Conference on Pattern Recognition (ICPR2010), pages 4178-4181, Istambul, Turkey, 2010.

Lopes, M., Gouyon, F., Koerich, A., Oliveira, L. S., Selection of Training Instances for Music Genre Classification, 20th International Conference on Pattern Recognition (ICPR2010), pages 4569-4572, Istambul, Turkey, 2010.

Varela, P., Justino, E., Oliveira, L. S., Verbs and Pronouns for Authorship Attribution, 17th International Conference on Systems, Signals and Image Processing (IWSSIP 2010), pages 89-92, Rio de Janeiro, Brazil, 2010.

Vriesmann, L. M., Britto Jr., A., Oliveira, L. S., Sabourin, R., Ko, A., Using Additional Neighborhood Information in a Dynamic Ensemble Selection Method: Improving the KNORA approach, 17th International Conference on Systems, Signals and Image Processing (IWSSIP 2010), pages 420-423, Rio de Janeiro, Brazil, 2010.

Britto Jr. A., Oliveira, L. S., Koerich, A., Face Recognition Using Selected 2DPCA Coefficients, 17th International Conference on Systems, Signals and Image Processing (IWSSIP 2010), pages 490-493, Rio de Janeiro, Brazil, 2010.

Rios, I., Britto Jr., A., Koerich, A., Oliveira, L. S., Evaluation of Different Features Sets in an OCR Free Method for Word Spotting in Printed Documents, 25th ACM Symposium On Applied Computing (SAC2010), pages 52-56, Sierre, Switzerland, 2010.

Paula Filho P. L., Oliveira, L.S., Britto Jr, A., A Database for Forest Species Recognition, XXII Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2009), Rio de Janeiro, Brazil, 2009.

Varela, P. J., E. Justino, E., Oliveira, L.S., O Uso de Dicionário de Atributos Estilométricos na Identificação de Autoria de Textos de Língua Portuguesa, 7th Brazilian Symposium in Information and Human Language Technology, São Carlos, Brazil, 2009.

Santos, M., Britto Jr., A., Oliveira, L.S., Sabourin, R., Koerich., A., Evaluation of different strategies to optimize an HMM-based character recognition system, International Conference on Document Analysis and Recognition (ICDAR2009), pages 666-670, Barcelona, Spain, 2009,

Pavelec, D., Oliveira, L.S., Justino, E., Batista, L. V., Author Identification Using Compression Models, International Conference on Document Analysis and Recognition (ICDAR2009), pages 936-940, Barcelona, Spain, 2009,

Paula Filho, P. L., Roiek, D. R., Tusser, A. M., Oliveira, L.S., Análise de Cor para o Reconhecimento de Espécies Florestais. 8th Brazilian Conference on Dynamics, Control and Applications (DINCON 2009), Bauru, 2009.

Pavelec, D., Oliveira, L.S., Justino, E., Batista, L. V., Compression and Stylometry for Author Identification, International Joint Conference on Neural Networks (IJCNN 2009), pages 2445-2450, Atlanta, USA, 2009.

Pimenta, A., Justino, E., Oliveira, L. S., Sabourin, R., Document Reconstruction using Dynamic Programming, IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2009), pages 1393-1396, Taipei, Taiwan, April 16-24, 2009.

Ko, A., Sabourin, R., Britto Jr, A., Oliveira, L. S., The Implication of Data Diversity for a Classifier-free Ensemble Selection in Random Subspaces, International Conference on Pattern Recognition (ICPR 2008), pages 1-5, Tampa, Florida, USA, December 8-11, 2008

Dalla Valle Jr, J., Oliveira, L. S., Koerich, A., Britto Jr, A. S., Automatic People Counting in Video from Oblique Viewing Camera, IEEE 2008 Andescon, Cusco, Peru, October 15-17, 2008

Santos, M., Britto Jr., A, Oliveira, L. S., Koerich, Sabourin, R., Combinando Características Complementares em Modelos Escondidos de Markov: Uma Otimização para o Reconhecimento de Caracteres Manuscritos, XXXIV Latin American Conference on Informatics (CLEI 2008), Santa Fe, Argentina, 2008.

Bertolini, D., Oliveira, L. S., Justino, E., Sabourin, R., Ensemble of Classifiers for Off-line Signature Verification. IEEE International Conference on System, Man and Cybernetics (SMC 2008), pages 283-288, Singapore, 2008.

Freitas, C., Oliveira, L. S., Sabourin, R., Bortolozzi, F., Brazilian Forensic Letter Database, 11th International Workshop on Frontiers on Handwriting Recognition (IWFHR-11), Montreal, QC, Canada, August 19-21 2008.

Santos, E. M., Sabourin, R., Oliveira, L. S., Maupin, P., Overfitting in the Selection of Classifier Ensembles: a Comparative Study Between PSO and GA, 2008 Genetic and Evolutionary Computation Conference (GECCO 2008), pages 1423-1424, Atlanta, USA, July 12-16, 2008.

Bergamini, C. M., Oliveira, L. S., Koerich, A. L., Sabourin, R., Fusion of Biometric Systems using One-Class Classification, International Joint Conference on Neural Networks (IJCNN 2008), pages 1308-1313, Hong Kong, IEEE Press, June 1-6, 2008.

Pavelec, D., Justino, E., Batista, L., Oliveira, L. S., Author Identification using Writer-Dependent and Writer-Independent Strategies, 23th Annual ACM Symposium in Applied Computing (SAC2008), pages 414-418, Fortaleza, Brazil, ACM Press, March 16-20, 2008 **Winner of the best paper award, Engineering Theme**

Abu Hana, R., Freitas, C., Oliveira, L. S., Bortolozzi, F., Crime Scene Classification, 23th Annual ACM Symposium in Applied Computing (SAC2008), pages 419-423, Fortaleza, Brazil, ACM Press, March 16-20, 2008.

Hochuli, A., Oliveira, L. S., Britto Jr, A. S., Koerich, A., Detection and Classification of Human Movements in Video Scenes, 2007 Pacific-Rim Symposium on Image and Video Technology (PSIVT 2007), pages 678-691, Santiago, Chile, LNCS 4872 December 17-19, 2007.

Dalla Valle Jr, J., Koerich, A., Oliveira, L. S., Britto Jr, A. S., People Counting in Video Scenes, 2007 Pacific-Rim Symposium on Image and Video Technology (PSIVT 2007), pages 737-748, Santiago, Chile, LNCS 4872, December 17-19, 2007.

Baranoski, F., Oliveira, L. S., Justino, E., Writer Identification based on Forensic Science Approach, XXXIII Latin American Conference on Informatics, pages 25-32, San Jose, Costa Rica, October 9-12, 2007.

Oliveira, L. S., Justino, E., Sabourin, R., Off-line Signature Verification Using Writer-Independent Approach, International Joint Conference on Neural Networks (IJCNN 2007), pages 2539-2544, Orlando, USA, IEEE Press, August 12-17, 2007.

Santos C., Bortolozzi, F., Oliveira, L. S., Justino, E., Off-line Signature Verification Based on Forensic Questioned Document Examination Approach, 22th Annual ACM Symposium in Applied Computing (SAC2007), pages 637-638, Seoul, Korea, ACM Press, March 11-15, 2007.

Freitas, C., Oliveira, L. S., Aires, S, Bortolozzi, F., Zoning and Metaclasses for Character Recognition, 22th Annual ACM Symposium in Applied Computing (SAC2007), pages 632-636. Seoul, Korea, ACM Press, March 11-15, 2007.

Henniges, P., Granger, E., Sabourin, R., Oliveira, L. S., Impact of Fuzzy ARTMAP Match Tracking Strategies on the Recognition of Handwritten Digits, 2006 Artificial Neural Networks in Engineering (ANNIE 2006), St-Louis, USA, November 3-5, 2006.

Cavalin, P., Oliveira, L. S., Koerich A. L., Britto Jr., A. S., Wood Defect Detection using Grayscale Images and an Optimized Feature Set. 32nd Annual Conf. of the IEEE Industrial Electronics Society (IECON 2006) , pages 3408-3412, Paris, France, IEEE Press, November 7-10, 2006.

Vellasques, E., Oliveira, L. S., Britto Jr., A. S., Koerich, A. L., Sabouri, R. Modeling Segmentation Cuts Using Support Vector Machines. 10th International Workshop on Frontiers in Handwriting Recognition (IWFHR 2006), pages 41-46, La Baule, France, October 23-26, 2006.

Koerich, A. L., Britto Jr. A. S., Oliveira, L. S., Sabourin, R., Fusing High- and Low-Level Features for Handwritten Word Recognition, 10th International Workshop on Frontiers in Handwriting Recognition (IWFHR 2006), pages 151-156, La Baule, France, October 23-26, 2006.

Freitas, C., Oliveira, L. S., Justino E., Aires, S., Zoning and Metaclasses Improving the Character Recognition, 10th International Workshop on Frontiers in Handwriting Recognition (IWFHR 2006), pages 67-72, La Baule, France, October 23-26, 2006.

Granger, E., Henniges, P., Oliveira, L. S., Sabourin, R. Particle Swarm Optimization of Fuzzy ARTMAP Parameters, International Joint Conference on Neural Networks (IJCNN 2006), pages 2060-2067 Wancouver, Canada, IEEE Press, July 16-21, 2006.

Cavalin, P., Britto Jr., A., Oliveira, L. S.,An Implicit Segmentation based Method for Recognition of Handwritten String of Characters, 21th Annual ACM Symposium in Applied Computing (SAC2006), pages 836-840, Dijon, France, ACM Press, April 23-27, 2006.

Solana, C., Justino, E., Oliveira, L. S., Bortolozzi, F., Document Reconstruction based on Feature Matching, 18th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2005), pages 163-170, Natal, Brazil, IEEE CS Press, October 9-12, 2005.

Oliveira, L. S., Britto Jr., A., Sabourin, R. A Synthetic Database to Assess Segmentation Algorithms, 8th International Conference on Document Analysis and Recognition (ICDAR 2005), pages 207-211, Seoul, South Korea, IEEE CS Press, August 29-September 1st, 2005.

Oliveira, L. S., Britto Jr., A., Sabourin, R. Improving Cascading Classifiers with Particle Swarm Optimization, 8th International Conference on Document Analysis and Recognition (ICDAR 2005), pages 570-574, Seoul, South Korea, IEEE CS Press, August 29-September 1st, 2005.

Oliveira, L S., Britto Jr. A., Sabourin, R. Optimizing Class-Related Thresholds with Particle Swarm Optimization, International Joint Conference on Neural Networks (IJCNN 2005), pages 1511-1516, Montreal, Canada, IEEE Press, July 31-August 4, 2005.

Oliveira, L S., Justino, E., Freitas, C., and Sabourin, R. The Graphology Applied to Signature Verification, 12th Conference of the International Graphonomics Society (IGS 2005), pages 286-290, Salermo, Italy, June 26-29, 2005. pdf (external link)

Oliveira, L S., Morita, M, Sabourin, R, Multi-Objective Genetic Algorithms to Create Ensemble of Classifiers, 3th International Conference on Evolutionary Multi-Criterion Optimization (EMO 2005), pages 592-606, Guanajuato, Mexico, LNCS 3410, March 9-11, 2005.

Oliveira L. S. and Sabourin R., Support Vector Machine for Handwritten Numerical String Recognition. 9th International Workshop on Frontiers in Handwriting Recognition (IWFHR-9), pages 39-44, Tokyo, Japan, IEEE CS Press, October 26-29, 2004.

Morita M., Oliveira L. S., and Sabourin R., Unsupervised Feature Selection for Ensemble of Classifiers. 9th International Workshop on Frontiers in Handwriting Recognition (IWFHR-9), pages 81-86, Tokyo, Japan, IEEE CS Press, October 26-29, 2004.

Oliveira, L.S., Sabourin, R., Bortolozzi, F. and Suen, C.Y., Feature Selection for Ensembles: A Hierarchical Multi-Objective Genetic Algorithm Approach, 7th International Conference on Document Analysis and Recognition (ICDAR2003), pages 676-680, Vol 2, Edinburgh, Scotland, IEEE CS Press, August 3-6, 2003.

Radtke, P.V.W, Oliveira, L.S., Sabourin, R., and Wong, T. Intelligent Zoning Design Using Multi-Objective Evolutionary Algorithms. 7th International Conference on Document Analysis and Recognition (ICDAR2003), pages 824-828, Vol 2 , Edinburgh, Scotland, IEEE CS Press, August 3-6, 2003,

Oliveira L.S., Sabourin R., Bortolozzi F., and Suen C.Y. Feature Selection Using Multi-Objective Genetic Algorithms for Handwritten Digit Recognition. 16th International Conference on Pattern Recognition (ICPR 2002), pages 568-571, Vol. 1, Quebec City, Canada, IEEE CS Press, August 11-15, 2002.

Morita M., Oliveira L.S., Sabourin R., Bortolozzi F., and Suen C.Y. An HMM-MLP Hybrid System to Recognize Handwritten Dates. International Joint Conference on Neural Networks (IJCNN 2002), pages 867-872, Honolulu, USA, IEEE Press, May 12-17, 2002.

Oliveira L.S., Sabourin R., Bortolozzi F. and Suen C.Y. High-level Verification of Handwritten Numeral Strings. 14th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2001), pages 36-43, Florianópolis, Brazil, IEEE CS Press, October 15-18, 2001.

Oliveira L.S., Benahmed N., Sabourin R., Bortolozzi F. and Suen C.Y. Feature Subset Selection Using Genetic Algorithms for Handwritten Digit Recognition, 14th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2001), pages 362-369, Florianópolis, Brazil, IEEE CS Press, October 15-18, 2001.

Oliveira L.S., Sabourin R., Bortolozzi F. and Suen C.Y. A Modular System to Recognize Numerical Amounts on Brazilian Bank Cheques. 6th International Conference on Document Analysis and Recognition (ICDAR 2001) , pages 389-394, Seattle, USA, IEEE CS Press, September 10-13, 2001.

Oliveira L.S., Lethelier E., Bortolozzi F. and Sabourin R. Handwritten Digits Segmentation based on Structural Approach. 13th Brazilian Symposium on Computer Graphics and Imaging Processing (SIBGRAPI 2000), pages 67-73, Gramado, Brazil, IEEE CS Press, October 17-20, 2000.

Freitas C., Morita M., Oliveira L.S., Justino E., Yacoubi A., Lethelier E., Bortolozzi F. and Sabourin R. Base de Dados de Cheques Bancários Brasileiros. XXVI Conferencia Latinoamerica de Informática , Atizapan de Zaragosa, Mexico, September 18-22, 2000.(in portuguese)

Oliveira L.S., Lethelier E., Bortolozzi F. and Sabourin R. A New Approach to Segment Handwritten Digits. 7th International Workshop on Frontiers in Handwriting Recognition (IWFHR-7), Amsterdam, The Netherlands, pages 577-582, International Unipen Foundation, September 11-13, 2000.

Oliveira L.S., Lethelier E., Bortolozzi F. and Sabourin R. A New Segmentation Approach for Handwritten Digits. 15th International Conference on Pattern Recognition (ICPR 2000), Vol. 2, pages 323-326, Barcelona, Spain, IEEE CS Press, September 3-7, 2000.

Oliveira L.S., Lethelier E., Bortolozzi F. and Sabourin R. Segmentation de Caracteres Manuscrits Basee sur une Approche Structurelle, II Colloque International Francophone sur l’Ecrit et le Document (CIFED 2000), Pages 231-241, Lyon, France, July 2000. (in French)

Oliveira L.S. and Bortolozzi F. Morphological Approach for the Pre-Printed Information Extraction of Brazilian Bank Checks. International Conference on Imaging Science, Systems, and Technology (CISST 2000), Vol. 1, pages 277-282, Las Vegas, USA, CSREA Press, June 26-29, 2000.

Oliveira L. S., Bortolozzi F. and Sabourin R. Extração e Codificação das Estruturas Lógica e Física a partir de Imagens de Cheques Bancários Brasileiros, International Seminar on Knowledge Management/Document Management (ISKM/DM’99), Curitiba-Pr, Brazil, December 1999. (in Portuguese)

Oliveira L. S., Bortolozzi F. and Sabourin R. Extração e Codificação da Estrutura Lógica a partir de Imagens de Cheques Bancários Brasileiros, International Seminar on Knowledge Management (ISKM’98), pages 196-208, Curitiba-Pr, Brazil, December 1998. (in Portuguese)

Tech Reports

Hafemann, L.G., Sabourin, R., Oliveira, L. S., Offline Handwritten Signature Verification – Literature Review, ArXvi:1507.07909, 2015 (pdf)

Ko.,A, Sabourin, R., Britto Jr., A. S., Oliveira, L. S., A Classifier-free Ensemble Selection Method based on Data Diversity in Random Subspaces,  ArXiv:1408.2889, 2014 (pdf)

Morita M. and Oliveira L.S., Introdução aos Modelos Escondidos de Markov, Technical Report (PPGIA), PUCPR, November 1998. (in portuguese) pdf

MSc Dissertations

Silva Jr., E. J. Método de Classificação em Cascata de Dois Níveis: Uma alternativa para a redução do custo de sistemas baseados em múltiplos classificadores, PUCPR, PPGIa, October 2015. pdf

Stiehl D., Reconhecimento de Símbolos de Mão de SignWriting, UFPR, PPGInf, June, 2015. pdf

Hafemann, L. G., An Analysis of Deep Neural Networks for Texture Classification, UFPR, PPGInf, November, 2014. pdf

Almeira, P. R. L, Combinação de Características Texturais para a Classificação Automática de Vagas de Estacionamento, UFPR, PPGInf, December, 2013. pdf

Lucas Filho. E. R, HiveQL Self Tuning, UFPR, PPGInf, August 2013. pdf

Bazzo, G., Classificação Automática de Erros de Aprendizes Humanos do Processo de Indução Analítica, UFPR, PPGInf, August 2011. pdf

Oliveira Jr, W. R., Estudo Comparativo dos Métodos de Compressão de Dados na Atribuição de Autoria de Texto, PUCPR, PPGIa, August 2011.

Zavaschi, T., Classificação de expressões faciais com Combinação de Classificadores, PUCPR, PPGIa, March 2011.

Varela, P., O Uso de Atributos Estilométricos na Identificação da Autoria de Textos, PUCPR, PPGIa, Brazil, March 2010. pdf

Olivo, C., Avaliação de Características para Detecção de Phishing de email, PUCPR, PPGIa, Brazil, March 2010. pdf

Hanusiak, R., Verificação da Autoria de Manuscritos com Base em Atributos Genéticos e Genéricos da Escrita, PUCPR, PPGIa, Brazil, March 2010. pdf

Ribas, F. C., Caracterização de Algoritmos de Segmentação de Dígitos Manuscritos, PUCPR, PPGIa, Brazil, March 2010. pdf

Bergamini C. M., Estudo Comparativo de Métodos de Fusão Aplicado a Biometria, PUCPR, PPGIa, Brazil, March 2009

Santos M., Combinando Características Complementares em HMM: Uma Otimização para o Reconhecimento de Caracteres Manuscritos, PUCPR, PPGIa, Brazil, February 2009 pdf

Pimenta A., Reconstrução Digita de Documentos Mutilados usando Programação Dinâmica, PUCPR, PPGIa, Brazil, February 2009 pdf

Bertolini D., Agrupamento de Classificadores na Verificação de Assinaturas Off-line, PUCPR, PPGIa, Brazil, October 2008 pdf

Vellasques E., Classificação de Pontos de Dígitos Manuscritos, PUCPR, PPGIa, Curitiba, PR, Brazil, September 2006 pdf

Oliveira L.S., Estudo sobre a extração das estruturas lógica e física a partir imagens de cheques bancários Brasileiros. CEFET-PR. Curitiba-Pr, Brazil, February 1998. pdf

PhD Theses

Oliveira L.S., Automatic Recognition of Handwritten Numerical Strings. PhD Thesis, University of Quebec, ETS, Montreal, QC, Canada, July 2003. pdf

Vriesmann L. M., Seleção Dinâmica de Subconjunto de Classificadores: Abordagem Baseada em Acurácia Local, Tese de Doutorado, PUCPR, 2012 pdf

Silva H. A., Algoritmo de Otimização Multinível Aplicado a Problemas de Planejamento de Redes, Tese de Doutorado, PUCPR, 2012 pdf.

Paula Filho, P. L., Reconhecimento de Espécies Florestais através de Imagens Macroscópicas, Tese de Doutorado, Depto de Informática, UFPR, 2012 pdf

Gomes, Y. M. C., Reconhecimento de Gêneros Musicais utilizando Espectrogramas e Combinação de Classificadores, Tese de Doutorado, Depto de Informática, UFPR, 2013 pdf

Martins, J. G., Identificação de Espécies Florestais Utilizando Seleção Dinâmica de Classificadores no Espaço de Dissimilaridade, Tese de Doutorado, Depto de Informática, 2014. pdf

Bertolini, D., Verificação e Identificação de Escritores usando Características Texturais e Dissimilaridade, Tese de Doutorado, Depto de Informática, 2014. pdf