MMach: a mathematical morphology toolbox for the KHOROS system. - Junior Barrera; Gerald Jean Francis Banon; Roberto de Alencar Lotufo; Roberto Hirata Jr. (J. Electronic Imaging, 1998)

Optimal range-domain window filters. - Roberto Hirata; Edward R. Dougherty; Junior Barrera (Electronic Imaging: Nonlinear Image Processing, 1999)

Automatic Design of Morphological Operators for Motion Segmentation. - Roberto Hirata Jr.; Junior Barrera; Franklin César Flores; Roberto de Alencar Lotufo (SIBGRAPI, 1999)

A New Paradigm for the Architecture of Morphological Machines: Binary Decision Diagrams. - Heraldo Maciel França Madeira; Junior Barrera; Roberto Hirata Jr.; Nina S. T. Hirata (SIBGRAPI, 1999)

Design of gray-scale nonlinear filters via multiresolution apertures. - Roberto Hirata; Edward R. Dougherty; Junior Barrera (EUSIPCO, 2000)

Some Applications of Aperture Filters. - Roberto Hirata Jr.; Edward R. Dougherty; Junior Barrera (ISMM, 2000)

Morphological Operators for Segmentation of Color Sequences. - Franklin César Flores; Roberto Hirata Jr.; Junior Barrera; Roberto A. Lotufo; Fernand Meyer (SIBGRAPI, 2000)

Color Image Gradients for Morphological Segmentation. - Roberto Hirata Jr.; Franklin César Flores; Junior Barrera; Roberto A. Lotufo; Fernand Meyer (SIBGRAPI, 2000)

Automatic Programming of Morphological Machines by PAC Learning. - Junior Barrera; Routo Terada; Roberto Hirata Jr.; Nina S. T. Hirata (Fundam. Informaticae, 2000)

Aperture filters. - Roberto Hirata Jr.; Edward R. Dougherty; Junior Barrera (Signal Process., 2000)

Hybrid Human-Machine Non-Linear Filter Design Using Envelopes. - Marcel Brun; Roberto Hirata Jr.; Junior Barrera; Edward R. Dougherty (SIBGRAPI, 2001)

Microarray Gridding by Mathematical Morphology. - Roberto Hirata Jr.; Junior Barrera; Ronaldo Fumio Hashimoto; Daniel Oliveira Dantas (SIBGRAPI, 2001)

Multiresolution Design of Aperture Operators. - Roberto Hirata Jr.; Marcel Brun; Junior Barrera; Edward R. Dougherty (J. Math. Imaging Vis., 2002)

Segmentation of Microarray Images by Mathematical Morphology. - Roberto Hirata Jr.; Junior Barrera; Ronaldo Fumio Hashimoto; Daniel Oliveira Dantas; Gustavo H. Esteves (Real Time Imaging, 2002)

Design of Order Statistic Filters from Examples. - Nina S. T. Hirata; Roberto Hirata Jr. (SIBGRAPI, 2003)

Design of optimal binary filters under joint multiresolution-envelope constraint. - Marcel Brun; Edward R. Dougherty; Roberto Hirata Jr.; Junior Barrera (Pattern Recognit. Lett., 2003)

Nonlinear Filter Design Using Envelopes. - Marcel Brun; Roberto Hirata Jr.; Junior Barrera; Edward R. Dougherty (J. Math. Imaging Vis., 2004)

A Maximum-Likelihood Approach for Multiresolution W-Operator Design. - Daniel André Vaquero; Junior Barrera; Roberto Hirata Jr. (SIBGRAPI, 2005)

Motion Segmentation using Mathematical Morphology. - Arnaldo Câmara Lara; Roberto Hirata Jr. (SIBGRAPI, 2006)

Basis Computation Algorithms. - Nina S. T. Hirata; Roberto Hirata Jr.; Junior Barrera (ISMM (1), 2007)

A morphological gradient-based method to motion segmentation. - Arnaldo Câmara Lara; Roberto Hirata Jr. (ISMM (2), 2007)

Exploring window selection strategies for two-level binary image operator design. - Carlos da Silva dos Santos; Roberto Hirata Jr. (ISMM (2), 2007)

An entropy minimization approach for designing W-operators. - Daniel André Vaquero; Junior Barrera; Roberto Hirata Jr. (ISMM (2), 2007)

Two-stage Binary Image Operator Design: an Approach Based on Interaction Information. - Carlos S. Santos; Nina S. T. Hirata; Roberto Hirata Jr. (SIBGRAPI, 2007)

A Backmapping Approach for Graph-Based Object Tracking. - Thiago Meireles Paixão; Ana Beatriz Vicentim Graciano; Roberto Marcondes Cesar Junior; Roberto Hirata Jr. (SIBGRAPI, 2008)

Inference of gene regulatory network using temporal coefficient of determination obtained from ergodic Markov chains. - Carlos H. A. Higa; Ronaldo Fumio Hashimoto; Roberto Hirata Jr.; Nina S. T. Hirata; Carlos S. Santos (GENSiPS, 2009)

Ridge Linking Using an Adaptive Oriented Mask Applied to Plant Root Images with Thin Structures. - Talita Perciano; Roberto Hirata Jr.; Lúcio André de Castro Jorge (CIARP, 2010)

Parameter Estimation for Ridge Detection in Images with Thin Structures. - Talita Perciano; Roberto Hirata Jr.; Lúcio André de Castro Jorge (CIARP, 2010)

An Information Theory framework for two-stage binary image operator design. - Carlos S. Santos; Nina S. T. Hirata; Roberto Hirata Jr. (Pattern Recognit. Lett., 2010)

Keygraphs for Sign Detection in Indoor Environments by Mobile Phones. - Henrique Morimitsu; Marcelo Hashimoto; Rodrigo B. Pimentel; Roberto M. Cesar; Roberto Hirata Jr. (GbRPR, 2011)

Wi-Fi and keygraphs for localization with cell phones. - Henrique Morimitsu; Rodrigo B. Pimentel; Marcelo Hashimoto; Roberto M. Cesar; Roberto Hirata Jr. (ICCV Workshops, 2011)

A hierarchical Markov random field for road network extraction and its application with optical and SAR data. - Talita Perciano; Florence Tupin; Roberto Hirata Jr.; Roberto M. Cesar (IGARSS, 2011)

An Open-Source Medical Image Processing and Visualization Tool to Analyze Cardiac SPECT Images. - Luis Roberto Pereira de Paula; Carlos da Silva dos Santos; Marco Antonio Gutierrez 001; Roberto Hirata Jr. (ISVC (2), 2011)

Combining Features to a Class-Specific Model in an Instance Detection Framework. - Arnaldo Câmara Lara; Roberto Hirata Jr. (SIBGRAPI, 2011)

CAUVIS-IME-USP at TRECVID 2011 : instance searc. - Arnaldo Câmara Lara; Roberto Hirata Jr. (TRECVID, 2011)

Vehicle Detection Using Mixture of Deformable Parts Models: Static and Dynamic Camera. - Leissi Castañeda León; Roberto Hirata Jr. (SIBGRAPI, 2012)

Kernel functions in Takagi-Sugeno-Kang fuzzy system with nonsingleton fuzzy input. - Jorge Guevara; Roberto Hirata; Stéphane Canu (FUZZ-IEEE, 2013)

A Granulometry Based Descriptor for Object Categorization. - Arnaldo Câmara Lara; Roberto Hirata Jr. (ISMM, 2013)

A Pyramid of Concentric Circular Regions to Improve Rotation Invariance in Bag-of-Words Approach for Object Categorization. - Arnaldo Câmara Lara; Roberto Hirata Jr. (VISAPP (1), 2013)

Positive definite kernel functions on fuzzy sets. - Jorge Guevara; Roberto Hirata; Stéphane Canu (FUZZ-IEEE, 2014)

Learning to remove staff lines from music score images. - Igor dos Santos Montagner; Roberto Hirata Jr.; Nina S. T. Hirata (ICIP, 2014)

A Machine Learning Based Method for Staff Removal. - Igor dos Santos Montagner; Roberto Hirata Jr.; Nina S. T. Hirata (ICPR, 2014)

Car detection in sequences of images of urban environments using mixture of deformable part models. - Leissi Castañeda León; Roberto Hirata Jr. (Pattern Recognit. Lett., 2014)

A modeling approach for credit card fraud detection in electronic payment services. - Gabriel Preti Santiago; Adriano C. M. Pereira; Roberto Hirata Jr. (SAC, 2015)

NILC: A two level learning algorithm with operator selection. - Igor dos Santos Montagner; Nina Sumiko Tomita Hirata; Roberto Hirata; Stéphane Canu (ICIP, 2016)

Comics image processing: learning to segment text. - Nina S. T. Hirata; Igor dos Santos Montagner; Roberto Hirata Jr. (MANPU@ICPR, 2016)

InterSCity: Addressing Future Internet research challenges for Smart Cities. - Daniel Macêdo Batista; Alfredo Goldman; Roberto Hirata; Fabio Kon; Fábio M. Costa; Markus Endler (NOF, 2016)

Image Operator Learning and Applications. - Igor dos Santos Montagner; Nina S. T. Hirata; Roberto Hirata Jr. (SIBGRAPI Tutorials, 2016)

Kernel Approximations for W-Operator Learning. - Igor dos Santos Montagner; Roberto Hirata Jr.; Nina S. T. Hirata; Stéphane Canu (SIBGRAPI, 2016)

Cross product kernels for fuzzy set similarity. - Jorge Guevara; Roberto Hirata; Stéphane Canu (FUZZ-IEEE, 2017)

Staff removal using image operator learning. - Igor dos Santos Montagner; Nina S. T. Hirata; Roberto Hirata Jr. (Pattern Recognit., 2017)

Concave Losses for Robust Dictionary Learning. - Rafael Will M. de Araujo; Roberto Hirata; Alain Rakotomamonjy (ICASSP, 2018)

Image-Based Visualization of Classifier Decision Boundaries. - Francisco Caio Maia Rodrigues; Roberto Hirata; Alexandru Cristian Telea (SIBGRAPI, 2018)

Combined Correlation Rules to Detect Skin based on Dynamic Color Clustering. - Rodrigo Augusto Dias Faria; Roberto Hirata Jr. (VISIGRAPP (5: VISAPP), 2018)

Evaluation of Transfer Learning Scenarios in Plankton Image Classification. - Francisco Caio Maia Rodrigues; Nina S. T. Hirata; Antonio A. Abello; Leandro T. De La Cruz; Rubens M. Lopes; Roberto Hirata Jr. (VISIGRAPP (5: VISAPP), 2018)

A logical-based corpus for cross-lingual evaluation. - Felipe de Souza Salvatore; Marcelo Finger; Roberto Hirata Jr. (DeepLo@EMNLP-IJCNLP, 2019)

Single Image Deraining: A Comprehensive Benchmark Analysis. - Siyuan Li 001; Iago Breno Araujo; Wenqi Ren; Zhangyang Wang; Eric K. Tokuda; Roberto Hirata Junior; Roberto Marcondes Cesar Junior; Jiawan Zhang; Xiaojie Guo 001; Xiaochun Cao (CVPR, 2019)

Using neural models to perform inference. - Felipe de Souza Salvatore; Sandro Preto; Marcelo Finger; Roberto Hirata Jr. (NeSy@IJCAI, 2019)

Optimizing Super Resolution for Face Recognition. - Antonio Augusto Abello; Roberto Hirata (SIBGRAPI, 2019)

Deep Learning Inverse Multidimensional Projections. - Mateus Espadoto; Francisco Caio Maia Rodrigues; Nina S. T. Hirata; Roberto Hirata Jr.; Alexandru C. Telea (EuroVA@EuroVis, 2019)

Kernels on fuzzy sets: an overview. - Jorge Guevara; Roberto Hirata Jr.; Stéphane Canu (CoRR, 2019)

Greenery Segmentation In Urban Images By Deep Learning. - Artur A. M. Oliveira; Nina S. T. Hirata; Roberto Hirata Jr. (CoRR, 2019)

Constructing and Visualizing High-Quality Classifier Decision Boundary Maps. - Francisco Caio M. Rodrigues; Mateus Espadoto; Roberto Hirata; Alexandru C. Telea (Inf., 2019)

Connections Between Fuzzy Inference Systems and Kernel Machines. - Jorge Guevara; Jerry M. Mendel; Roberto Hirata Jr. (FUZZ-IEEE, 2020)

Dissecting the High-Frequency Bias in Convolutional Neural Networks. - Antonio A. Abello; Roberto Hirata; Zhangyang Wang (CVPR Workshops, 2021)

Improving Self-supervised Dimensionality Reduction: Exploring Hyperparameters and Pseudo-Labeling Strategies. - Artur André Almeida de Macedo Oliveira; Mateus Espadoto; Roberto Hirata; Nina S. T. Hirata; Alexandru C. Telea (VISIGRAPP (Revised Selected Papers), 2021)

A Network Intrusion Detection System using Deep Learning against MQTT Attacks in IoT. - Fatemeh Mosaiyebzadeh; Luis Gustavo Araujo Rodriguez; Daniel Macêdo Batista; Roberto Hirata (LATINCOM, 2021)

Predicting Response Time in SDN-Fog Environments for IIoT Applications. - Guilherme Werneck de Oliveira; Rodrigo Toscano Ney; Juan Luis Herrera 001; Daniel Macêdo Batista; Roberto Hirata; Jaime Galán-Jiménez; Javier Berrocal; Juan Manuel Murillo; Aldri Luiz dos Santos; Michele Nogueira (LATINCOM, 2021)

BGP Anomalies Classification using Features based on AS Relationship Graphs. - Thales Bandiera Paiva; Yaissa Siqueira; Daniel Macêdo Batista; Roberto Hirata; Routo Terada (LATINCOM, 2021)

IoT DDoS Detection Based on Stream Learning. - Gustavo Vitral Arbex; Kétly Gonçalves Machado; Michele Nogueira; Daniel M. Batista; Roberto Hirata (NoF, 2021)

AnubisFlow: A Feature Extractor for Distributed Denial of Service Attack Classification. - Alan Barzilay; Caio L. Martinelli; Michele Nogueira; Daniel M. Batista; Roberto Hirata (NoF, 2021)

A Comprehensive Benchmark Analysis of Single Image Deraining: Current Challenges and Future Perspectives. - Siyuan Li 001; Wenqi Ren; Feng Wang 063; Iago Breno Araujo; Eric K. Tokuda; Roberto Hirata Junior; Roberto M. Cesar Jr.; Zhangyang Wang; Xiaochun Cao (Int. J. Comput. Vis., 2021)

Optical Mark Recognition: Advances, Difficulties, and Limitations. - Erik Miguel de Elias; Paulo Marcelo Tasinaffo; Roberto Hirata (SN Comput. Sci., 2021)

INACITY - INvestigate and Analyze a CITY. - Artur André Almeida de Macedo Oliveira; Roberto Hirata Jr. (SoftwareX, 2021)

Locating Urban Trees near Electric Wires using Google Street View Photos: A New Dataset and A Semi-Supervised Learning Approach in the Wild. - Artur André Almeida de Macedo Oliveira; Zhangyang Wang; Roberto Hirata (CVPR Workshops, 2022)

SDBM: Supervised Decision Boundary Maps for Machine Learning Classifiers. - Artur A. M. Oliveira; Mateus Espadoto; Roberto Hirata Jr.; Alexandru C. Telea (VISIGRAPP (3: IVAPP), 2022)

A Hybrid CNN-LSTM Model for IIoT Edge Privacy-Aware Intrusion Detection. - Erik Miguel de Elias; Vinicius Sanches Carriel; Guilherme Werneck de Oliveira; Aldri Luiz dos Santos; Michele Nogueira; Roberto Hirata Junior; Daniel Macêdo Batista (LATINCOM, 2022)

A Stacked Ensemble Classifier for an Intrusion Detection System in the Edge of IoT and IIoT Networks. - Giovanni Aparecido Da Silva Oliveira; Priscila Serra Silva Lima; Fabio Kon; Routo Terada; Daniel Macêdo Batista; Roberto Hirata; Mosab Hamdan (LATINCOM, 2022)

Fuzzy-System Kernel Machines: A Kernel Method Based on the Connections Between Fuzzy Inference Systems and Kernel Machines. - Jorge Guevara; Jerry M. Mendel; Roberto Hirata (IEEE Trans. Fuzzy Syst., 2022)

Modeling and Interpreting 6-D Object Pose Estimation. - Diego Soler; Roberto Hirata; Mateus Espadoto (ICIP, 2023)

A Crash Response System using LoRa-based V2X Communications. - Bruno Carneiro da Cunha; Daniel Macêdo Batista; Roberto Hirata Junior; Kifayat Ullah 002 (NOMS, 2023)

Stability Analysis of Supervised Decision Boundary Maps. - Artur A. M. Oliveira; Mateus Espadoto; Roberto Hirata Jr.; Alexandru C. Telea (SN Comput. Sci., 2023)

Riparian Zones Classification Using Satellite/UAV Synergy and Deep Learning. - Luan Casagrande; Roberto Hirata Junior (IGARSS, 2024)

A Lean and Modular Two-Stage Network Intrusion Detection System for IoT Traffic. - Bruno Brandão Inácio; Juliana C. Carvalho de Araújo; Aldri Luiz dos Santos; Michele Nogueira; Roberto Hirata; Daniel M. Batista (LATINCOM, 2024)

An RNN Approach to Real-Time Multimedia QoE Assessment via Facial Expressions. - Eduardo Lopes Pereira Neto; Sergio Y. Hayashi; Daniel Macêdo Batista; Roberto Hirata Jr.; Nina S. T. Hirata; Karina Valdivia Delgado (VCC, 2024)

Real-Time Intrusion Detection with Sequence-Aware Neural Networks for Internet of Medical Things. - Heitor Werneck; Daniel Macêdo Batista; Roberto Hirata Jr.; Marcelo Queiroz (VCC, 2024)

A resampling-based method to evaluate NLI models. - Felipe de Souza Salvatore; Marcelo Finger; Roberto Hirata; Alexandre G. Patriota (Nat. Lang. Eng., 2024)

Improving Image Classification Tasks Using Fused Embeddings and Multimodal Models. - Artur A. M. Oliveira; Mateus Espadoto; Roberto Hirata Jr.; Roberto M. Cesar Jr. (VISIGRAPP (2): VISAPP, 2025)

Creating User-steerable Projections with Interactive Semantic Mapping. - Artur A. M. Oliveira; Mateus Espadoto; Roberto Hirata Jr.; Roberto M. Cesar Jr.; Alexandru C. Telea (CoRR, 2025)