Roberto de Alencar Lotufo

62 papers A* 1B 3C 3Misc 3Journal 16Unranked 36

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	INACIA: Integrating Large Language Models in Brazilian Audit Courts: Opportunities and Challenges. Digit. Gov. Res. Pract. Jayr Pereira, Andre Assumpcao, Julio Trecenti, Luiz Airosa, Caio Lente, Jhonatan Cléto, Guilherme Dobins, Rodrigo Nogueira, Luis Mitchell, Roberto de Alencar Lotufo
2024	J	`jnl`	Retail-GPT: leveraging Retrieval Augmented Generation (RAG) for building E-commerce Chat Assistants. CoRR Bruno Amaral Teixeira de Freitas, Roberto de Alencar Lotufo
2024	J	`jnl`	w2v-SELD: A Sound Event Localization and Detection Framework for Self-Supervised Spatial Audio Pre-Training. IEEE Access Orlem Lima dos Santos, Karen Rosero, Bruno S. Masiero, Roberto de Alencar Lotufo
2023	J	`jnl`	w2v-SELD: A Sound Event Localization and Detection Framework for Self-Supervised Spatial Audio Pre-Training. CoRR Orlem Lima dos Santos, Karen Rosero, Roberto de Alencar Lotufo
2022	J	`jnl`	To Tune or Not To Tune? Zero-shot Models for Legal Case Entailment. CoRR Guilherme Moraes Rosa, Ruan Chaves Rodrigues, Roberto de Alencar Lotufo, Rodrigo Nogueira
2021	C	`conf`	To tune or not to tune?: zero-shot models for legal case entailment. ICAIL Guilherme Moraes Rosa, Ruan Chaves Rodrigues, Roberto de Alencar Lotufo, Rodrigo Nogueira
2017	—	`conf`	Common Carotid Artery Lumen Segmentation from Cardiac Cycle-Resolved Cine Fast Spin Echo Magnetic Resonance Imaging. SIBGRAPI Lívia Rodrigues, Roberto Medeiros de Souza, Letícia Rittner, Richard Frayne, Roberto de Alencar Lotufo
2016	J	`jnl`	Fingerprint Liveness Detection Using Convolutional Neural Networks. IEEE Trans. Inf. Forensics Secur. Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo, Rubens Campos Machado
2015	J	`jnl`	Evaluating software-based fingerprint liveness detection using Convolutional Networks and Local Binary Patterns. CoRR Rodrigo Frassetto Nogueira, Roberto de Alencar Lotufo, Rubens Campos Machado
2011	C	`conf`	Advances on Watershed Processing on GPU Architecture. ISMM André Körbes, Giovani Bernardes Vitor, Roberto de Alencar Lotufo, Janito Vaqueiro Ferreira
2011	J	`jnl`	Efficient computation of new extinction values from extended component tree. Pattern Recognit. Lett. Alexandre Gonçalves Silva, Roberto de Alencar Lotufo
2010	—	`conf`	A New Hierarchical Decomposition Applied to Object Segmentation in Image Sequences: The Uniform Decomposition. SIBGRAPI Franklin César Flores, Roberto de Alencar Lotufo
2010	J	`jnl`	Analysis of a Step-Based Watershed Algorithm Using CUDA. Int. J. Nat. Comput. Res. Giovani Bernardes Vitor, André Körbes, Roberto de Alencar Lotufo, Janito Vaqueiro Ferreira
2010	J	`jnl`	Relationships between some watershed definitions and their tie-zone transforms. Image Vis. Comput. Romaric Audigier, Roberto de Alencar Lotufo
2010	—	`conf`	Watershed from Propagated Markers Improved by the Combination of Spatio-temporal Gradient and Binding of Markers Heuristics. VISAPP (2) Franklin César Flores, Roberto de Alencar Lotufo
2010	J	`jnl`	Watershed from propagated markers: An interactive method to morphological object segmentation in image sequences. Image Vis. Comput. Franklin César Flores, Roberto de Alencar Lotufo
2009	—	`conf`	Analysis of the Watershed Algorithms Based on the Breadth-First and Depth-First Exploring Methods. SIBGRAPI André Körbes, Roberto de Alencar Lotufo
2009	B	`conf`	Segmentation of DTI based on tensorial morphological gradient. Image Processing Letícia Rittner, Roberto de Alencar Lotufo
2008	—	`conf`	Benchmark for Quantitative Evaluation of Assisted Object Segmentation Methods to Image Sequences. SIBGRAPI Franklin César Flores, Roberto de Alencar Lotufo
2008	—	`conf`	Color Quantization by Morphological Histogram Processing. VISAPP (1) Franklin César Flores, Leonardo Bespalhuk Facci, Roberto de Alencar Lotufo
2008	—	`conf`	New Extinction Values from Efficient Construction and Analysis of Extended Attribute Component Tree. SIBGRAPI Alexandre Gonçalves Silva, Roberto de Alencar Lotufo
2007	—	`conf`	Attribute sub-tree matching algorithm. ISMM (2) André Körbes, Alexandre Gonçalves Silva, Roberto de Alencar Lotufo
2007	—	`conf`	Distance transform to seeds: computation and application. ISMM (2) André Vital Saúde, Michel Couprie, Roberto de Alencar Lotufo
2007	J	`jnl`	Morphological segmentation of yeast by image analysis. Image Vis. Comput. Marco António Garcia de Carvalho, Roberto de Alencar Lotufo, Michel Couprie
2007	—	`conf`	Watershed by image foresting transform, tie-zone, and theoretical relationships with other watershed definitions. ISMM (1) Romaric Audigier, Roberto de Alencar Lotufo
2007	—	`conf`	Watershed from propagated markers improved by a marker binding heuristic. ISMM (1) Franklin César Flores, Roberto de Alencar Lotufo
2006	—	`conf`	Hierarchical morphological analysis for generic detection of shapes in grayscale images. CompIMAGE Alexandre Gonçalves Silva, Roberto de Alencar Lotufo
2006	—	`conf`	The use of dynamics in graylevel quantization by morphological histogram processing. VISAPP (1) Franklin César Flores, Leonardo Bespalhuk Facci, Roberto de Alencar Lotufo
2006	J	`jnl`	TheWeighted Gradient: A Color Image Gradient Applied to Morphological Segmentation. J. Braz. Comput. Soc. Franklin César Flores, Airton Marco Polidório, Roberto de Alencar Lotufo
2005	—	`conf`	Tie-Zone Watershed, Bottlenecks, and Segmentation Robustness Analysis. SIBGRAPI Romaric Audigier, Roberto de Alencar Lotufo
2004	J	`jnl`	The Image Foresting Transform: Theory, Algorithms, and Applications. IEEE Trans. Pattern Anal. Mach. Intell. Alexandre X. Falcão, Jorge Stolfi, Roberto de Alencar Lotufo
2003	—	`conf`	Object Segmentation in Image Sequences by Watershed from Markers: A Generic Approach. SIBGRAPI Franklin César Flores, Roberto de Alencar Lotufo
2003	—	`conf`	Spatiotemporal segmentation of MR image sequence based on hierarchical analysis. ISSPA (1) Marc A. G. de Carvalho, Roberto de Alencar Lotufo, Michel Couprie
2003	—	`conf`	Toolbox of image processing using the Python language. ICIP (3) Alexandre Gonçalves Silva, Roberto de Alencar Lotufo, Rubens Campos Machado, André Vital Saúde
2002	—	`conf`	Automatic Method for Assessment of Telangiectasia Degreeing by Mathematical Morphology. SIBGRAPI Franklin César Flores, Roberto de Alencar Lotufo, Stela Isernhagen, Leonardo Marques Rocha, Alexandre Gonçalves Silva, Eduardo Faccini Rocha
2002	—	`conf`	Classification of Microstructures by Morphological Analysis and Estimation of the Hydration Degree of Cement Paste in Concrete. SIBGRAPI Alexandre Gonçalves Silva, Roberto de Alencar Lotufo, Franklin César Flores
2002	—	`conf`	Image Segmentation by Analysis of Scale-Space. SIBGRAPI Marco António Garcia de Carvalho, Michel Couprie, Roberto de Alencar Lotufo
2002	—	`conf`	Regions Tracking in Ventricle MR Sequence Based on Hierarchical Analysis. SIBGRAPI Marco António Garcia de Carvalho, Michel Couprie, Roberto de Alencar Lotufo
2001	—	`conf`	Connected Filtering by Graylevel Classification through Morphological Histogram Processing. SIBGRAPI Franklin César Flores, Roberto de Alencar Lotufo
2001	B	`conf`	Design of connected operators using the image foresting transform. Image Processing Alexandre Xavier Falcão, Bruno Santos S. Da Cunha, Roberto de Alencar Lotufo
2001	—	`conf`	Hierarchical Regions Matching in Image Sequences through Association Graph. SIBGRAPI Marco António Garcia de Carvalho, Roberto de Alencar Lotufo
2001	—	`conf`	Morphologic Analysis of the Endothelium Corneal Tissue Using Mathematical Morphology. SIBGRAPI Cesar Augusto Cardoso Caetano, André Baptista Rosa Filho, Liliane Ventura, Sidney J. F. Sousa, Roberto de Alencar Lotufo
2001	—	`conf`	Prontovideo: An Image Sequence Segmentation Tool Applied to Video Edition. SIBGRAPI Rubens Machado, Robert Koo, Renato Machado da Costa, Roberto de Alencar Lotufo, Franklin César Flores, Alexandre X. Falcão, Guilherme Santos Mazzela
2001	—	`conf`	Toolbox of Image Processing for Numerical Python. SIBGRAPI Alexandre Gonçalves Silva, Roberto de Alencar Lotufo, Rubens Machado
2000	—	`conf`	Classification of the Distance Transformation Algorithms under the Mathematical Morphology Approach. SIBGRAPI Francisco de Assis Zampirolli, Roberto de Alencar Lotufo
2000	—	`conf`	Identification and Segmentation of Cells in Images of Donated Corneas using Mathematical Morphology. SIBGRAPI Cesar Augusto Cardoso Caetano, Liliane Ventura, Sidney J. F. Sousa, Roberto de Alencar Lotufo
1999	—	`conf`	Automatic Design of Morphological Operators for Motion Segmentation. SIBGRAPI Roberto Hirata Jr., Junior Barrera, Franklin César Flores, Roberto de Alencar Lotufo
1999	Misc	`conf`	Estimating crowd density with Minkowski fractal dimension. ICASSP Aparecido Nilceu Marana, Luciano da Fontoura Costa, Roberto de Alencar Lotufo, Sergio A. Velastin
1999	B	`conf`	Fuzzy connected object definition in images with respect to co-objects. Image Processing Jayaram K. Udupa, Punam K. Saha, Roberto de Alencar Lotufo
1998	—	`conf`	ECIR-an electronic circuit diagram image recognizer. SIBGRAPI Edison Oliveira de Jesus, Roberto de Alencar Lotufo
1998	J	`jnl`	MMach: a mathematical morphology toolbox for the KHOROS system. J. Electronic Imaging Junior Barrera, Gerald Jean Francis Banon, Roberto de Alencar Lotufo, Roberto Hirata Jr.
1998	—	`conf`	Morphological image segmentation applied to video quality assessment. SIBGRAPI Roberto de Alencar Lotufo, Wellington Diolice Felix da Silva, Alexandre Xavier Falcão, Antonio Cláudio França Pessoa
1998	—	`conf`	On the efficacy of texture analysis for crowd monitoring. SIBGRAPI Aparecido Nilceu Marana, Luciano da F. Costa, Roberto de Alencar Lotufo, Sergio A. Velastin
1998	J	`jnl`	User-Steered Image Segmentation Paradigms: Live Wire and Live Lane. Graph. Model. Image Process. Alexandre X. Falcão, Jayaram K. Udupa, Supun Samarasekera, Shoba Sharma, Bruce Elliot Hirsch, Roberto de Alencar Lotufo
1997	Misc	`conf`	Interactive DSP course development/teaching environment. ICASSP 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
1997	Misc	`conf`	Oriented texture classification based on self-organizing neural network and Hough transform. ICASSP Aparecido Nilceu Marana, Luciano da Fontoura Costa, Sergio A. Velastin, Roberto de Alencar Lotufo
1996	C	`conf`	Integrating Size Information into Intensity Histogram. ISMM Roberto de Alencar Lotufo, Eduardo Trettel
1996	—	`conf`	Interactive digital image processing course on the World Wide Web. ICIP (2) Ramiro Jordan, Roberto de Alencar Lotufo
1994	—	`conf`	Teaching Image Processing with Khoros. ICIP (1) John Rasure, Ramiro Jordan, Roberto de Alencar Lotufo
1990	A*	`conf`	Road Following Algorithm Using A Panned Plan-View Transformation. ECCV Roberto de Alencar Lotufo, Barry T. Thomas, Erik L. Dagless
1988	—	`conf`	Feature Extraction for Vision Guided Vehicles. Alvey Vision Conference Barry T. Thomas, Erik L. Dagless, Roberto de Alencar Lotufo, David Milford, A. D. Morgan, J. F. Morrissey
1988	—	`conf`	Road Edge Extraction Using a Plan-View Image Transformation. Alvey Vision Conference Roberto de Alencar Lotufo, Erik L. Dagless, David Milford, Barry T. Thomas