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2020 – today
- 2024
[j25]Fábio C. de Souza
, Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo:
BERT models for Brazilian Portuguese: Pretraining, evaluation and tokenization analysis. Appl. Soft Comput. 149(Part A): 110901 (2024)- [c109]Diedre Carmo, Letícia Rittner, Roberto de Alencar Lotufo:
VisualT5: Multitasking Caption and Concept Prediction with Pre-trained ViT, T5 and Customized Spatial Attention in Radiological Images. CLEF (Working Notes) 2024: 1525-1532 - [c108]Leandro Rodrigues de Souza, Thales Sales Almeida, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
Measuring Cross-lingual Transfer in Bytes. NAACL-HLT 2024: 7526-7537 - [i44]Jayr Alencar Pereira, Andre Assumpcao, Julio Trecenti, Luiz Airosa, Caio Lente, Jhonatan Cléto, Guilherme Dobins, Rodrigo Nogueira, Luis Mitchell, Roberto de Alencar Lotufo:
INACIA: Integrating Large Language Models in Brazilian Audit Courts: Opportunities and Challenges. CoRR abs/2401.05273 (2024) - [i43]Thiago Laitz, Konstantinos Papakostas, Roberto de Alencar Lotufo, Rodrigo Nogueira:
InRanker: Distilled Rankers for Zero-shot Information Retrieval. CoRR abs/2401.06910 (2024) - [i42]Fernando Ferraretto, Thiago Laitz, Roberto de Alencar Lotufo, Rodrigo Nogueira:
ExaRanker-Open: Synthetic Explanation for IR using Open-Source LLMs. CoRR abs/2402.06334 (2024) - [i41]Mirelle Bueno, Roberto de Alencar Lotufo, Rodrigo Nogueira:
Lissard: Long and Simple Sequential Reasoning Datasets. CoRR abs/2402.07859 (2024) - [i40]Mirelle Bueno, Eduardo Seiti de Oliveira, Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo, Jayr Alencar Pereira:
Quati: A Brazilian Portuguese Information Retrieval Dataset from Native Speakers. CoRR abs/2404.06976 (2024) - [i39]Leandro Rodrigues de Souza, Thales Sales Almeida, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
Measuring Cross-lingual Transfer in Bytes. CoRR abs/2404.08191 (2024) - [i38]Marcos Piau, Roberto de Alencar Lotufo, Rodrigo Nogueira:
ptt5-v2: A Closer Look at Continued Pretraining of T5 Models for the Portuguese Language. CoRR abs/2406.10806 (2024) - [i37]Jayr Alencar Pereira, Roberto de Alencar Lotufo:
Check-Eval: A Checklist-based Approach for Evaluating Text Quality. CoRR abs/2407.14467 (2024) - [i36]Bruno Amaral Teixeira de Freitas, Roberto de Alencar Lotufo:
Retail-GPT: leveraging Retrieval Augmented Generation (RAG) for building E-commerce Chat Assistants. CoRR abs/2408.08925 (2024) - [i35]Leandro Carísio Fernandes, Gustavo Bartz Guedes, Thiago Soares Laitz, Thales Sales Almeida, Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo, Jayr Alencar Pereira:
SurveySum: A Dataset for Summarizing Multiple Scientific Articles into a Survey Section. CoRR abs/2408.16444 (2024) - 2023
- [c107]Jayr Alencar Pereira, Robson do Nascimento Fidalgo, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
Visconde: Multi-document QA with GPT-3 and Neural Reranking. ECIR (2) 2023: 534-543 - [c106]Fernando Ferraretto, Thiago Laitz, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
ExaRanker: Synthetic Explanations Improve Neural Rankers. SIGIR 2023: 2409-2414 - [i34]Vitor Jeronymo, Luiz Henrique Bonifacio, Hugo Queiroz Abonizio, Marzieh Fadaee, Roberto de Alencar Lotufo, Jakub Zavrel, Rodrigo Frassetto Nogueira:
InPars-v2: Large Language Models as Efficient Dataset Generators for Information Retrieval. CoRR abs/2301.01820 (2023) - [i33]Fernando Ferraretto, Thiago Laitz, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
ExaRanker: Explanation-Augmented Neural Ranker. CoRR abs/2301.10521 (2023) - [i32]Vitor Jeronymo, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
NeuralMind-UNICAMP at 2022 TREC NeuCLIR: Large Boring Rerankers for Cross-lingual Retrieval. CoRR abs/2303.16145 (2023) - [i31]Desnes Nunes, Ricardo Primi, Ramon Pires, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
Evaluating GPT-3.5 and GPT-4 Models on Brazilian University Admission Exams. CoRR abs/2303.17003 (2023) - [i30]Diedre Carmo, Gustavo R. Pinheiro, Lívia Rodrigues, Thays Abreu, Roberto de Alencar Lotufo, Letícia Rittner:
Automated computed tomography and magnetic resonance imaging segmentation using deep learning: a beginner's guide. CoRR abs/2304.05901 (2023) - [i29]Hugo Queiroz Abonizio, Luiz Henrique Bonifacio, Vitor Jeronymo, Roberto de Alencar Lotufo, Jakub Zavrel, Rodrigo Frassetto Nogueira:
InPars Toolkit: A Unified and Reproducible Synthetic Data Generation Pipeline for Neural Information Retrieval. CoRR abs/2307.04601 (2023) - [i28]Diedre S. Carmo, Rosarie A. Tudas, Alejandro P. Comellas, Letícia Rittner, Roberto de Alencar Lotufo, Joseph M. Reinhardt, Sarah E. Gerard:
Automatic segmentation of lung findings in CT and application to Long COVID. CoRR abs/2310.09446 (2023) - [i27]Diedre S. Carmo, Jean Ribeiro, Alejandro P. Comellas, Joseph M. Reinhardt, Sarah E. Gerard, Letícia Rittner, Roberto de Alencar Lotufo:
MEDPSeg: End-to-end segmentation of pulmonary structures and lesions in computed tomography. CoRR abs/2312.02365 (2023) - [i26]Orlem Lima dos Santos, Karen Rosero, Roberto de Alencar Lotufo:
w2v-SELD: A Sound Event Localization and Detection Framework for Self-Supervised Spatial Audio Pre-Training. CoRR abs/2312.06907 (2023) - 2022
- [c105]Hugo Queiroz Abonizio, Leandro Rodrigues de Souza, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
MonoByte: A Pool of Monolingual Byte-level Language Models. COLING 2022: 3506-3513 - [c104]Ramon Pires, Fábio C. de Souza, Guilherme Moraes Rosa, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
Sequence-to-Sequence Models for Extracting Information from Registration and Legal Documents. DAS 2022: 83-95 - [c103]Thales Sales Almeida, Thiago Laitz, João Seródio, Luiz Henrique Bonifacio, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
NeuralSearchX: Serving a Multi-billion-parameter Reranker for Multilingual Metasearch at a Low Cost. DESIRES 2022: 40-52 - [c102]Israel Campiotti, Roberto de Alencar Lotufo:
Optical character recognition with transformers and CTC. DocEng 2022: 13:1-13:4 - [c101]Vitor Jeronymo, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
NeuralMind-UNICAMP at 2022 TREC NeuCLIR: Large Boring Rerankers for Cross-lingual Retrieval. TREC 2022 - [c100]Jayr Alencar Pereira, Robson do Nascimento Fidalgo, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
Using Neural Reranking and GPT-3 for Social Media Disaster Content Summarization. TREC 2022 - [i25]Ramon Pires, Fábio C. de Souza, Guilherme Moraes Rosa, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
Sequence-to-Sequence Models for Extracting Information from Registration and Legal Documents. CoRR abs/2201.05658 (2022) - [i24]Guilherme Moraes Rosa, Ruan Chaves Rodrigues, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
To Tune or Not To Tune? Zero-shot Models for Legal Case Entailment. CoRR abs/2202.03120 (2022) - [i23]Guilherme Moraes Rosa, Luiz Henrique Bonifacio, Vitor Jeronymo, Hugo Queiroz Abonizio, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
Billions of Parameters Are Worth More Than In-domain Training Data: A case study in the Legal Case Entailment Task. CoRR abs/2205.15172 (2022) - [i22]Guilherme Moraes Rosa, Luiz Henrique Bonifacio, Vitor Jeronymo, Hugo Queiroz Abonizio, Marzieh Fadaee, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
No Parameter Left Behind: How Distillation and Model Size Affect Zero-Shot Retrieval. CoRR abs/2206.02873 (2022) - [i21]Vitor Jeronymo, Guilherme Moraes Rosa, Surya Kallumadi, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
A Boring-yet-effective Approach for the Product Ranking Task of the Amazon KDD Cup 2022. CoRR abs/2208.06264 (2022) - [i20]Mirelle Bueno, Carlos Gemmel, Jeffrey Dalton, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
Induced Natural Language Rationales and Interleaved Markup Tokens Enable Extrapolation in Large Language Models. CoRR abs/2208.11445 (2022) - [i19]Hugo Queiroz Abonizio, Leandro Rodrigues de Souza, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
MonoByte: A Pool of Monolingual Byte-level Language Models. CoRR abs/2209.11035 (2022) - [i18]Vitor Jeronymo, Mauricio Nascimento, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
mRobust04: A Multilingual Version of the TREC Robust 2004 Benchmark. CoRR abs/2209.13738 (2022) - [i17]Diedre Carmo, Letícia Rittner, Roberto de Alencar Lotufo:
Open-source tool for Airway Segmentation in Computed Tomography using 2.5D Modified EfficientDet: Contribution to the ATM22 Challenge. CoRR abs/2209.15094 (2022) - [i16]Thales Sales Almeida, Thiago Laitz, João Seródio, Luiz Henrique Bonifacio, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
NeuralSearchX: Serving a Multi-billion-parameter Reranker for Multilingual Metasearch at a Low Cost. CoRR abs/2210.14837 (2022) - [i15]Guilherme Rosa, Luiz Henrique Bonifacio, Vitor Jeronymo, Hugo Queiroz Abonizio, Marzieh Fadaee, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
In Defense of Cross-Encoders for Zero-Shot Retrieval. CoRR abs/2212.06121 (2022) - [i14]Jayr Alencar Pereira, Robson do Nascimento Fidalgo, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
Visconde: Multi-document QA with GPT-3 and Neural Reranking. CoRR abs/2212.09656 (2022) - 2021
- [j24]Irene Fantini, Clarissa L. Yasuda, Mariana P. Bento, Letícia Rittner, Fernando Cendes, Roberto de Alencar Lotufo:
Automatic MR image quality evaluation using a Deep CNN: A reference-free method to rate motion artifacts in neuroimaging. Comput. Medical Imaging Graph. 90: 101897 (2021) - [c99]Guilherme Moraes Rosa, Ruan Chaves Rodrigues, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
To tune or not to tune?: zero-shot models for legal case entailment. ICAIL 2021: 295-300 - [i13]Guilherme Moraes Rosa, Ruan Chaves Rodrigues, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
Yes, BM25 is a Strong Baseline for Legal Case Retrieval. CoRR abs/2105.05686 (2021) - [i12]Guilherme Moraes Rosa, Luiz Henrique Bonifacio, Leandro Rodrigues de Souza, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
A cost-benefit analysis of cross-lingual transfer methods. CoRR abs/2105.06813 (2021) - [i11]Luiz Henrique Bonifacio, Israel Campiotti, Roberto de Alencar Lotufo, Rodrigo Frassetto Nogueira:
mMARCO: A Multilingual Version of MS MARCO Passage Ranking Dataset. CoRR abs/2108.13897 (2021) - [i10]Leandro Rodrigues de Souza, Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo:
On the ability of monolingual models to learn language-agnostic representations. CoRR abs/2109.01942 (2021) - 2020
- [c98]Fábio Souza, Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo:
BERTimbau: Pretrained BERT Models for Brazilian Portuguese. BRACIS 2020: 403-417 - [c97]Diedre Carmo, Letícia Rittner, Roberto de Alencar Lotufo:
MultiATTUNet: Brain Tumor Segmentation and Survival Multitasking. BrainLes@MICCAI (1) 2020: 424-434 - [c96]Mariana Pereira, Irene Fantini, Roberto de Alencar Lotufo, Letícia Rittner:
An extended-2D CNN for multiclass Alzheimer's Disease diagnosis through structural MRI. Medical Imaging: Computer-Aided Diagnosis 2020 - [c95]Alexandre Lopes, Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo, Hélio Pedrini:
Lite Training Strategies for Portuguese-English and English-Portuguese Translation. WMT@EMNLP 2020: 833-840 - [i9]Diedre Carmo, Bruna Silva, Clarissa L. Yasuda, Letícia Rittner, Roberto de Alencar Lotufo:
Hippocampus Segmentation on Epilepsy and Alzheimer's Disease Studies with Multiple Convolutional Neural Networks. CoRR abs/2001.05058 (2020) - [i8]Paulo Finardi, Israel Campiotti, Gustavo Plensack, Rafael Derradi de Souza, Rodrigo Frassetto Nogueira, Gustavo R. Pinheiro, Roberto de Alencar Lotufo:
Electricity Theft Detection with self-attention. CoRR abs/2002.06219 (2020) - [i7]Alexandre Lopes, Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo, Hélio Pedrini:
Lite Training Strategies for Portuguese-English and English-Portuguese Translation. CoRR abs/2008.08769 (2020) - [i6]Diedre Carmo, Marcos Piau, Israel Campiotti, Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo:
PTT5: Pretraining and validating the T5 model on Brazilian Portuguese data. CoRR abs/2008.09144 (2020) - [i5]Gabriela Surita, Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo:
Can questions summarize a corpus? Using question generation for characterizing COVID-19 research. CoRR abs/2009.09290 (2020)
2010 – 2019
- 2019
- [j23]Oeslle Lucena, Roberto Souza, Letícia Rittner, Richard Frayne, Roberto de Alencar Lotufo:
Convolutional neural networks for skull-stripping in brain MR imaging using silver standard masks. Artif. Intell. Medicine 98: 48-58 (2019) - [c94]Roberto Souza, Oeslle Lucena, Mariana P. Bento, Julia Garrafa, Letícia Rittner, Simone Appenzeller, Roberto de Alencar Lotufo, Richard Frayne:
Brain Extraction Network Trained with "Silver Standard" Data and Fine-Tuned with Manual Annotation for Improved Segmentation. SIBGRAPI 2019: 234-240 - [i4]Diedre Carmo, Bruna Silva, Clarissa L. Yasuda, Letícia Rittner, Roberto de Alencar Lotufo:
Extended 2D Volumetric Consensus Hippocampus Segmentation. CoRR abs/1902.04487 (2019) - [i3]Fábio Souza, Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo:
Portuguese Named Entity Recognition using BERT-CRF. CoRR abs/1909.10649 (2019) - 2018
- [j22]Roberto Souza, Oeslle Lucena, Julia Garrafa, David G. Gobbi, Marina Salluzzi, Simone Appenzeller, Letícia Rittner, Richard Frayne, Roberto de Alencar Lotufo:
An open, multi-vendor, multi-field-strength brain MR dataset and analysis of publicly available skull stripping methods agreement. NeuroImage 170: 482-494 (2018) - [c93]Oeslle Lucena, Roberto Souza, Letícia Rittner, Richard Frayne, Roberto de Alencar Lotufo:
Silver standard masks for data augmentation applied to deep-learning-based skull-stripping. ISBI 2018: 1114-1117 - [c92]Roberto Souza, Oeslle Lucena, Mariana P. Bento, Julia Garrafa, Simone Appenzeller, Letícia Rittner, Roberto de Alencar Lotufo, Richard Frayne:
Reliability of using single specialist annotation for designing and evaluating automatic segmentation methods: A skull stripping case study. ISBI 2018: 1344-1347 - [c91]Lívia Rodrigues, Roberto Souza, Letícia Rittner, Richard Frayne, Roberto de Alencar Lotufo:
Common Carotid Artery Lumen Automatic Segmentation from Cine Fast Spin Echo Magnetic Resonance Imaging. SaMBa@MICCAI 2018: 16-24 - [c90]Irene Fantini, Letícia Rittner, Clarissa L. Yasuda, Roberto de Alencar Lotufo:
Automatic detection of motion artifacts on MRI using Deep CNN. PRNI 2018: 1-4 - [i2]Oeslle Lucena, Roberto Souza, Letícia Rittner, Richard Frayne, Roberto de Alencar Lotufo:
Convolutional Neural Networks for Skull-stripping in Brain MR Imaging using Consensus-based Silver standard Masks. CoRR abs/1804.04988 (2018) - 2017
- [j21]Roberto Souza, Letícia Rittner, Rubens Machado, Roberto de Alencar Lotufo:
iamxt: Max-tree toolbox for image processing and analysis. SoftwareX 6: 81-84 (2017) - [c89]Oeslle Lucena, Amadeu Junior, Vitor Moia, Roberto Souza, Eduardo Valle, Roberto de Alencar Lotufo:
Transfer Learning Using Convolutional Neural Networks for Face Anti-spoofing. ICIAR 2017: 27-34 - [c88]Mariana P. Bento, Yan Sym, Richard Frayne, Roberto de Alencar Lotufo, Letícia Rittner:
Probabilistic Segmentation of Brain White Matter Lesions Using Texture-Based Classification. ICIAR 2017: 71-78 - [c87]Guilherme S. Soares, Rubens Campos Machado, Roberto de Alencar Lotufo:
People-Flow Counting Using Depth Images for Embedded Processing. ICIAR 2017: 239-246 - [c86]Mariana P. Bento, Roberto Medeiros de Souza, Roberto de Alencar Lotufo, Richard Frayne, Letícia Rittner:
WMH Segmentation Challenge: A Texture-Based Classification Approach. BrainLes@MICCAI 2017: 489-500 - [c85]Lívia Rodrigues, Roberto Medeiros de Souza, Letícia Rittner, Richard Frayne, Roberto de Alencar Lotufo:
Common Carotid Artery Lumen Segmentation from Cardiac Cycle-Resolved Cine Fast Spin Echo Magnetic Resonance Imaging. SIBGRAPI 2017: 442-449 - 2016
- [j20]Pedram Ghamisi, Roberto Souza, Jón Atli Benediktsson, Letícia Rittner, Roberto de Alencar Lotufo, Xiao Xiang Zhu:
Hyperspectral Data Classification Using Extended Extinction Profiles. IEEE Geosci. Remote. Sens. Lett. 13(11): 1641-1645 (2016) - [j19]Pedram Ghamisi, Roberto Souza, Jón Atli Benediktsson, Xiao Xiang Zhu, Letícia Rittner, Roberto de Alencar Lotufo:
Extinction Profiles for the Classification of Remote Sensing Data. IEEE Trans. Geosci. Remote. Sens. 54(10): 5631-5645 (2016) - [j18]Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo, Rubens Campos Machado:
Fingerprint Liveness Detection Using Convolutional Neural Networks. IEEE Trans. Inf. Forensics Secur. 11(6): 1206-1213 (2016) - [c84]Gustavo R. Pinheiro, Guilherme S. Soares, André Luis Costa, Roberto de Alencar Lotufo, Letícia Rittner:
Divergence map from diffusion tensor imaging: Concepts and application to corpus callosum. EMBC 2016: 1120-1123 - [c83]Pedram Ghamisi, Roberto Souza, Letícia Rittner, Jón Atli Benediktsson, Roberto de Alencar Lotufo, Xiao Xiang Zhu:
Extinction profiles: A novel approach for the analysis of remote sensing data. IGARSS 2016: 5122-5125 - [c82]Mariana Leite, David G. Gobbi, Marina Salluzzi, Richard Frayne, Roberto de Alencar Lotufo, Letícia Rittner:
3D texture-based classification applied on brain white matter lesions on MR images. Medical Imaging: Computer-Aided Diagnosis 2016: 97852N - [c81]Roberto Souza, Luis A. Tavares, Letícia Rittner, Roberto de Alencar Lotufo:
An Overview of Max-Tree Principles, Algorithms and Applications. SIBGRAPI Tutorials 2016: 15-23 - [c80]Luis A. Tavares, Roberto M. Souza, Letícia Rittner, Rubens Campos Machado, Roberto de Alencar Lotufo:
A Max-Tree Simplification Proposal and Applications for the Interactive Max-Tree Visualization Tool. SIBGRAPI 2016: 313-320 - [c79]Pedram Ghamisi, Roberto Souza, Jón Atli Benediktsson, Xiao Xiang Zhu, Letícia Rittner, Roberto de Alencar Lotufo:
Extended extinction profile for the classification of hyperspectral images. WHISPERS 2016: 1-4 - 2015
- [c78]Roberto Souza, Letícia Rittner, Roberto de Alencar Lotufo, Rubens Campos Machado:
An array-based node-oriented max-tree representation. ICIP 2015: 3620-3624 - [c77]Luis A. Tavares, Roberto M. Souza, Letícia Rittner, Rubens Campos Machado, Roberto de Alencar Lotufo:
Interactive max-tree visualization tool for image processing and analysis. IPTA 2015: 119-124 - [c76]Roberto Souza, Letícia Rittner, Rubens Campos Machado, Roberto de Alencar Lotufo:
A Comparison Between Extinction Filters and Attribute Filters. ISMM 2015: 63-74 - [c75]André Luis Costa, Letícia Rittner, Roberto de Alencar Lotufo, Simone Appenzeller:
Mid-callosal plane determination using preferred directions from diffusion tensor images. Medical Imaging: Biomedical Applications in Molecular, Structural, and Functional Imaging 2015: 94172A - [i1]Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo, Rubens Campos Machado:
Evaluating software-based fingerprint liveness detection using Convolutional Networks and Local Binary Patterns. CoRR abs/1508.00537 (2015) - 2014
- [j17]Roberto Souza, Letícia Rittner, Roberto de Alencar Lotufo:
A comparison between k-Optimum Path Forest and k-Nearest Neighbors supervised classifiers. Pattern Recognit. Lett. 39: 2-10 (2014) - [j16]Adriana S. Iwashita, João Paulo Papa, André N. de Souza, Alexandre X. Falcão, Roberto de Alencar Lotufo, V. M. Oliveira, Victor Hugo C. de Albuquerque, João Manuel R. S. Tavares:
A path- and label-cost propagation approach to speedup the training of the optimum-path forest classifier. Pattern Recognit. Lett. 40: 121-127 (2014) - [c74]Roberto Souza, Letícia Rittner, Rubens Campos Machado, Roberto de Alencar Lotufo:
Maximal Max-Tree Simplification. ICPR 2014: 3132-3137 - 2013
- [j15]Letícia Rittner, Jennifer S. W. Campbell, Pedro Freitas, Simone Appenzeller, G. Bruce Pike, Roberto de Alencar Lotufo:
Analysis of Scalar Maps for the Segmentation of the Corpus Callosum in Diffusion Tensor Fields. J. Math. Imaging Vis. 45(3): 214-226 (2013) - [c73]Mariana P. Bento, Letícia Rittner, Simone Appenzeller, Aline Lapa, Roberto de Alencar Lotufo:
Analysis of brain white matter hyperintensities using pattern recognition techniques. Medical Imaging: Image Processing 2013: 86693P - 2012
- [c72]Adriana S. Iwashita, João P. Papa, Alexandre X. Falcão, Roberto de Alencar Lotufo, Victor M. de Araujo Oliveira, Victor Hugo C. de Albuquerque, João Manuel R. S. Tavares:
Speeding up optimum-path forest training by path-cost propagation. ICPR 2012: 1233-1236 - [c71]Pedro Freitas, Letícia Rittner, Simone Appenzeller, Aline Lapa, Roberto de Alencar Lotufo:
Watershed-based segmentation of the corpus callosum in diffusion MRI. Medical Imaging: Image Processing 2012: 831432 - [c70]Roberto Souza, Roberto de Alencar Lotufo, Letícia Rittner:
A Comparison between Optimum-Path Forest and k-Nearest Neighbors Classifiers. SIBGRAPI 2012: 260-267 - 2011
- [j14]Alexandre Gonçalves Silva, Roberto de Alencar Lotufo:
Efficient computation of new extinction values from extended component tree. Pattern Recognit. Lett. 32(1): 79-90 (2011) - [c69]André Körbes, Giovani Bernardes Vitor, Roberto de Alencar Lotufo, Janito Vaqueiro Ferreira:
Advances on Watershed Processing on GPU Architecture. ISMM 2011: 260-271 - [c68]Letícia Rittner, André Vital Saúde, Alexandre Gonçalves Silva, Rubens Campos Machado, Mariana P. Bento, Roberto de Alencar Lotufo:
Adessowiki: Collaborative Scientific Programming Environment. SIBGRAPI Tutorials 2011: 56-62 - [c67]Pedro Freitas, Letícia Rittner, Simone Appenzeller, Roberto de Alencar Lotufo:
Watershed-Based Segmentation of the Midsagittal Section of the Corpus Callosum in Diffusion MRI. SIBGRAPI 2011: 274-280 - [c66]Rubens Campos Machado, Letícia Rittner, Roberto de Alencar Lotufo:
Adessowiki - Collaborative platform for writing executable papers. ICCS 2011: 759-767 - 2010
- [j13]Giovani Bernardes Vitor, André Körbes, Roberto de Alencar Lotufo, Janito Vaqueiro Ferreira:
Analysis of a Step-Based Watershed Algorithm Using CUDA. Int. J. Nat. Comput. Res. 1(4): 16-28 (2010) - [j12]Romaric Audigier, Roberto de Alencar Lotufo:
Relationships between some watershed definitions and their tie-zone transforms. Image Vis. Comput. 28(10): 1472-1482 (2010) - [j11]Franklin César Flores, Roberto de Alencar Lotufo:
Watershed from propagated markers: An interactive method to morphological object segmentation in image sequences. Image Vis. Comput. 28(11): 1491-1514 (2010) - [j10]Letícia Rittner, Franklin César Flores, Roberto de Alencar Lotufo:
A tensorial framework for color images. Pattern Recognit. Lett. 31(4): 277-296 (2010) - [c65]Letícia Rittner, Roberto de Alencar Lotufo, Jennifer S. W. Campbell, G. Bruce Pike:
Segmentation of thalamic nuclei based on tensorial morphological gradient of diffusion tensor fields. ISBI 2010: 1173-1176 - [c64]Franklin César Flores, Roberto de Alencar Lotufo:
A New Hierarchical Decomposition Applied to Object Segmentation in Image Sequences: The Uniform Decomposition. SIBGRAPI 2010: 156-163 - [c63]Franklin César Flores, Roberto de Alencar Lotufo:
Watershed from Propagated Markers Improved by the Combination of Spatio-temporal Gradient and Binding of Markers Heuristics. VISAPP (2) 2010: 164-172
2000 – 2009
- 2009
- [j9]André Vital Saúde, Michel Couprie, Roberto de Alencar Lotufo:
Discrete 2D and 3D euclidean medial axis in higher resolution. Image Vis. Comput. 27(4): 354-363 (2009) - [c62]Letícia Rittner, Roberto de Alencar Lotufo:
Segmentation of DTI based on tensorial morphological gradient. Medical Imaging: Image Processing 2009: 72591E - [c61]Letícia Rittner, Simone Appenzeller, Roberto de Alencar Lotufo:
Segmentation of Brain Structures by Watershed Transform on Tensorial Morphological Gradient of Diffusion Tensor Imaging. SIBGRAPI 2009: 126-132 - [c60]André Körbes, Roberto de Alencar Lotufo:
Analysis of the Watershed Algorithms Based on the Breadth-First and Depth-First Exploring Methods. SIBGRAPI 2009: 133-140 - [c59]Roberto de Alencar Lotufo, Rubens Campos Machado, André Körbes, Rafael G. Ramos:
Adessowiki on-line collaborative scientific programming platform. Int. Sym. Wikis 2009 - 2008
- [c58]Franklin César Flores, Roberto de Alencar Lotufo:
Benchmark for Quantitative Evaluation of Assisted Object Segmentation Methods to Image Sequences. SIBGRAPI 2008: 95-102 - [c57]Letícia Rittner, Roberto de Alencar Lotufo:
Diffusion Tensor Imaging Segmentation by Watershed Transform on Tensorial Morphological Gradient. SIBGRAPI 2008: 196-203 - [c56]Alexandre Gonçalves Silva, Roberto de Alencar Lotufo:
New Extinction Values from Efficient Construction and Analysis of Extended Attribute Component Tree. SIBGRAPI 2008: 204-211 - [c55]Franklin César Flores, Leonardo Bespalhuk Facci, Roberto de Alencar Lotufo:
Color Quantization by Morphological Histogram Processing. VISAPP (1) 2008: 93-100 - 2007
- [j8]Marco António Garcia de Carvalho, Roberto de Alencar Lotufo, Michel Couprie:
Morphological segmentation of yeast by image analysis. Image Vis. Comput. 25(1): 34-39 (2007) - [j7]Romaric Audigier, Roberto de Alencar Lotufo:
Uniquely-Determined Thinning of the Tie-Zone Watershed Based on Label Frequency. J. Math. Imaging Vis. 27(2): 157-173 (2007) - [c54]Arthur Miranda Neto, Letícia Rittner, Neucimar J. Leite, Douglas Eduardo Zampieri, Roberto de Alencar Lotufo, André Mendeleck:
Pearson's Correlation Coefficient for Discarding Redundant Information in Real Time Autonomous Navigation System. CCA 2007: 426-431 - [c53]André Vital Saúde, Michel Couprie, Roberto de Alencar Lotufo:
Distance transform to seeds: computation and application. ISMM (2) 2007: 15-16 - [c52]André Körbes, Alexandre Gonçalves Silva, Roberto de Alencar Lotufo:
Attribute sub-tree matching algorithm. ISMM (2) 2007: 47-48 - [c51]Romaric Audigier, Roberto de Alencar Lotufo:
Watershed by image foresting transform, tie-zone, and theoretical relationships with other watershed definitions. ISMM (1) 2007: 277-288 - [c50]Franklin César Flores, Roberto de Alencar Lotufo:
Watershed from propagated markers improved by a marker binding heuristic. ISMM (1) 2007: 313-323 - [c49]Letícia Rittner, Franklin César Flores, Roberto de Alencar Lotufo:
New Tensorial Representation of Color Images: Tensorial Morphological Gradient Applied to Color Image Segmentation. SIBGRAPI 2007: 45-52 - [c48]Romaric Audigier, Roberto de Alencar Lotufo:
Seed-Relative Segmentation Robustness of Watershed and Fuzzy Connectedness Approaches. SIBGRAPI 2007: 61-70 - 2006
- [j6]Romaric Audigier, Roberto de Alencar Lotufo, Alexandre X. Falcão:
3D visualization to assist iterative object definition from medical images. Comput. Medical Imaging Graph. 30(4): 217-230 (2006) - [j5]Franklin César Flores, Airton Marco Polidório, Roberto de Alencar Lotufo:
TheWeighted Gradient: A Color Image Gradient Applied to Morphological Segmentation. J. Braz. Comput. Soc. 11(3): 53-63 (2006) - [c47]Alexandre Gonçalves Silva, Roberto de Alencar Lotufo:
Hierarchical morphological analysis for generic detection of shapes in grayscale images. CompIMAGE 2006: 405-410 - [c46]André Vital Saúde, Michel Couprie, Roberto de Alencar Lotufo:
Exact Euclidean Medial Axis in Higher Resolution. DGCI 2006: 605-616 - [c45]Romaric Audigier, Roberto de Alencar Lotufo:
Duality between the Watershed by Image Foresting Transform and the Fuzzy Connectedness Segmentation Approaches. SIBGRAPI 2006: 53-60 - [c44]Gustavo de Sa, Roberto de Alencar Lotufo:
Improved FingerCode Matching Function. SIBGRAPI 2006: 263-272 - [c43]Franklin César Flores, Leonardo Bespalhuk Facci, Roberto de Alencar Lotufo:
The use of dynamics in graylevel quantization by morphological histogram processing. VISAPP (1) 2006: 121-130 - 2005
- [c42]Romaric Audigier, Roberto de Alencar Lotufo, Michel Couprie:
The tie-zone watershed: definition, algorithm and applications. ICIP (2) 2005: 654-657 - [c41]Romaric Audigier, Roberto de Alencar Lotufo:
Tie-Zone Watershed, Bottlenecks, and Segmentation Robustness Analysis. SIBGRAPI 2005: 55-62 - 2004
- [j4]Alexandre X. Falcão, Jorge Stolfi, Roberto de Alencar Lotufo:
The Image Foresting Transform: Theory, Algorithms, and Applications. IEEE Trans. Pattern Anal. Mach. Intell. 26(1): 19-29 (2004) - [c40]Alexandre Gonçalves Silva, Roberto de Alencar Lotufo:
Detection of Lines Using Hierarchical Region Based Representation. SIBGRAPI 2004: 58-64 - [c39]Romaric Audigier, Roberto de Alencar Lotufo, Alexandre X. Falcão:
On Integrating Iterative Segmentation by Watershed with Tridimensional Visualization of MRIs. SIBGRAPI 2004: 130-137 - [c38]Franklin César Flores, Airton Marco Polidório, Roberto de Alencar Lotufo:
Color Image Gradients for Morphological Segmentation: The Weighted Gradient Improved by Automatic Imposition of Weights. SIBGRAPI 2004: 146-153 - 2003
- [c37]Gabriela Castellano, Roberto de Alencar Lotufo, Alexandre X. Falcão, Fernando Cendes:
Characterization of the human cortex in MR images through the image foresting transform. ICIP (1) 2003: 357-360 - [c36]Alexandre Gonçalves Silva, Roberto de Alencar Lotufo, Rubens Campos Machado, André Vital Saúde:
Toolbox of image processing using the Python language. ICIP (3) 2003: 1049-1052 - [c35]Marc A. G. de Carvalho, Roberto de Alencar Lotufo, Michel Couprie:
Spatiotemporal segmentation of MR image sequence based on hierarchical analysis. ISSPA (1) 2003: 677-680 - [c34]Franklin César Flores, Roberto de Alencar Lotufo:
Object Segmentation in Image Sequences by Watershed from Markers: A Generic Approach. SIBGRAPI 2003: 347-354 - [c33]Gabriela Castellano, Roberto de Alencar Lotufo, Alexandre X. Falcão, Fernando Cendes:
Sulcal Lines Extraction for Cortex Characterization in Cerebral MR Images Using the Image Foresting Transform. SIBGRAPI 2003: 355-362 - [c32]Marco António Garcia de Carvalho, Roberto de Alencar Lotufo, Michel Couprie:
Segmentation of Images of Yeast Cells by Scale-Space Analysis. SIBGRAPI 2003: 376-382 - 2002
- [j3]Jayaram K. Udupa, Punam K. Saha, Roberto de Alencar Lotufo:
Relative Fuzzy Connectedness and Object Definition: Theory, Algorithms, and Applications in Image Segmentation. IEEE Trans. Pattern Anal. Mach. Intell. 24(11): 1485-1500 (2002) - [c31]Alexandre L. Gonçalves, Roberto de Alencar Lotufo, Franklin César Flores:
Classification of Microstructures by Morphological Analysis and Estimation of the Hydration Degree of Cement Paste in Concrete. SIBGRAPI 2002: 138-145 - [c30]Roberto de Alencar Lotufo, Alexandre X. Falcão, Francisco de Assis Zampirolli:
IFT-Watershed from Gray-Scale Marker. SIBGRAPI 2002: 146-152 - [c29]Franklin César Flores, Roberto de Alencar Lotufo, Stela Isernhagen, Leonardo Marques Rocha, Alexandre Gonçalves Silva, Eduardo Faccini Rocha:
Automatic Method for Assessment of Telangiectasia Degreeing by Mathematical Morphology. SIBGRAPI 2002: 153- - [c28]Marco António Garcia de Carvalho, Michel Couprie, Roberto de Alencar Lotufo:
Image Segmentation by Analysis of Scale-Space. SIBGRAPI 2002: 403 - [c27]Marco António Garcia de Carvalho, Michel Couprie, Roberto de Alencar Lotufo:
Regions Tracking in Ventricle MR Sequence Based on Hierarchical Analysis. SIBGRAPI 2002: 410 - 2001
- [c26]Alexandre Xavier Falcão, Bruno Santos S. Da Cunha, Roberto de Alencar Lotufo:
Design of connected operators using the image foresting transform. Medical Imaging: Image Processing 2001 - [c25]Roberto de Alencar Lotufo, Francisco de Assis Zampirolli:
Fast Multidimensional Parallel Euclidean Distance Transform Based on Mathematical Morphology. SIBGRAPI 2001: 100-105 - [c24]Franklin César Flores, Roberto de Alencar Lotufo:
Connected Filtering by Graylevel Classification through Morphological Histogram Processing. SIBGRAPI 2001: 120- - [c23]Cesar Augusto Cardoso Caetano, André Baptista Rosa Filho, Liliane Ventura, Sidney J. F. Sousa, Roberto de Alencar Lotufo:
Morphologic Analysis of the Endothelium Corneal Tissue Using Mathematical Morphology. SIBGRAPI 2001: 386 - [c22]Marco António Garcia de Carvalho, Roberto de Alencar Lotufo:
Hierarchical Regions Matching in Image Sequences through Association Graph. SIBGRAPI 2001: 396 - [c21]Alexandre Gonçalves Silva, Roberto de Alencar Lotufo, Rubens Machado:
Toolbox of Image Processing for Numerical Python. SIBGRAPI 2001: 402 - [c20]Rubens Machado, Robert Koo, Renato Machado da Costa, Roberto de Alencar Lotufo, Franklin César Flores, Alexandre X. Falcão, Guilherme Santos Mazzela:
Prontovideo: An Image Sequence Segmentation Tool Applied to Video Edition. SIBGRAPI 2001: 404 - 2000
- [c19]Roberto de Alencar Lotufo, Alexandre X. Falcão:
The Ordered Queue and the Optimality of the Watershed Approaches. ISMM 2000: 341-350 - [c18]Roberto de Alencar Lotufo, Alexandre X. Falcão, Francisco de Assis Zampirolli:
Fast Euclidean Distance Transform using a Graph-Search Algorithm. SIBGRAPI 2000: 269-275 - [c17]Francisco de Assis Zampirolli, Roberto de Alencar Lotufo:
Classification of the Distance Transformation Algorithms under the Mathematical Morphology Approach. SIBGRAPI 2000: 292-299 - [c16]Franklin César Flores, Roberto Hirata Jr., Junior Barrera, Roberto de Alencar Lotufo, Fernand Meyer:
Morphological Operators for Segmentation of Color Sequences. SIBGRAPI 2000: 300-307 - [c15]Roberto Hirata Jr., Franklin César Flores, Junior Barrera, Roberto de Alencar Lotufo, Fernand Meyer:
Color Image Gradients for Morphological Segmentation. SIBGRAPI 2000: 316-326 - [c14]Cesar Augusto Cardoso Caetano, Liliane Ventura, Sidney J. F. Sousa, Roberto de Alencar Lotufo:
Identification and Segmentation of Cells in Images of Donated Corneas using Mathematical Morphology. SIBGRAPI 2000: 344
1990 – 1999
- 1999
- [c13]Aparecido Nilceu Marana, Luciano da Fontoura Costa, Roberto de Alencar Lotufo, Sergio A. Velastin:
Estimating crowd density with Minkowski fractal dimension. ICASSP 1999: 3521-3524 - [c12]Jayaram K. Udupa, Punam K. Saha, Roberto de Alencar Lotufo:
Fuzzy connected object definition in images with respect to co-objects. Medical Imaging: Image Processing 1999 - [c11]Roberto Hirata Jr., Junior Barrera, Franklin César Flores, Roberto de Alencar Lotufo:
Automatic Design of Morphological Operators for Motion Segmentation. SIBGRAPI 1999: 283-292 - 1998
- [j2]Alexandre X. Falcão, Jayaram K. Udupa, Supun Samarasekera, Shoba Sharma, Bruce Elliot Hirsch, Roberto de Alencar Lotufo:
User-Steered Image Segmentation Paradigms: Live Wire and Live Lane. Graph. Model. Image Process. 60(4): 233-260 (1998) - [j1]Junior Barrera, Gerald Jean Francis Banon, Roberto de Alencar Lotufo, Roberto Hirata Jr.:
MMach: a mathematical morphology toolbox for the KHOROS system. J. Electronic Imaging 7(1): 174-210 (1998) - [c10]Edison Oliveira de Jesus, Roberto de Alencar Lotufo:
ECIR-an electronic circuit diagram image recognizer. SIBGRAPI 1998: 254-260 - [c9]Aparecido Nilceu Marana, Luciano da F. Costa, Roberto de Alencar Lotufo, Sergio A. Velastin:
On the efficacy of texture analysis for crowd monitoring. SIBGRAPI 1998: 354-361 - 1997
- [c8]Chaouki T. Abdallah, Dalton Soares Arantes, Gregory L. Heileman, Don R. Hush, Ramiro Jordan, Roberto de Alencar Lotufo, Neeraj Magotra, L. Howard Pollard, Edl Schamiloglu, Robert Whitman:
Interactive DSP course development/teaching environment. ICASSP 1997: 2249-2252 - [c7]Aparecido Nilceu Marana, Luciano da Fontoura Costa, Sergio A. Velastin, Roberto de Alencar Lotufo:
Oriented texture classification based on self-organizing neural network and Hough transform. ICASSP 1997: 2773-2775 - 1996
- [c6]Ramiro Jordan, Roberto de Alencar Lotufo:
Interactive digital image processing course on the World Wide Web. ICIP (2) 1996: 433-436 - [c5]Roberto de Alencar Lotufo, Eduardo Trettel:
Integrating Size Information into Intensity Histogram. ISMM 1996: 281-288 - 1994
- [c4]John Rasure, Ramiro Jordan, Roberto de Alencar Lotufo:
Teaching Image Processing with Khoros. ICIP (1) 1994: 506-510 - 1990
- [c3]Roberto de Alencar Lotufo, Barry T. Thomas, Erik L. Dagless:
Road Following Algorithm Using A Panned Plan-View Transformation. ECCV 1990: 231-235
1980 – 1989
- 1988
- [c2]Roberto de Alencar Lotufo, Erik L. Dagless, David Milford, Barry T. Thomas:
Road Edge Extraction Using a Plan-View Image Transformation. Alvey Vision Conference 1988: 1-6 - [c1]Barry T. Thomas, Erik L. Dagless, Roberto de Alencar Lotufo, David Milford, A. D. Morgan, J. F. Morrissey:
Feature Extraction for Vision Guided Vehicles. Alvey Vision Conference 1988: 1-6
Coauthor Index
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