Roberto de Alencar Lotufo

Leticia 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. Journal of Mathematical Imaging and Vision 45(3): 214-226 (2013)

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

Roberto Souza, Roberto de Alencar Lotufo, Leticia Rittner: A Comparison between Optimum-Path Forest and k-Nearest Neighbors Classifiers. SIBGRAPI 2012: 260-267

Alexandre Gonçalves Silva, Roberto de Alencar Lotufo: Efficient computation of new extinction values from extended component tree. Pattern Recognition Letters 32(1): 79-90 (2011)

Rubens Campos Machado, Leticia Rittner, Roberto de Alencar Lotufo: Adessowiki - Collaborative platform for writing executable papers. Procedia CS 4: 759-767 (2011)

André Körbes, Giovani Bernardes Vitor, Roberto de Alencar Lotufo, Janito Vaqueiro Ferreira: Advances on Watershed Processing on GPU Architecture. ISMM 2011: 260-271

Leticia Rittner, André Vital Saúde, Alexandre G. Silva, Rubens Campos Machado, Mariana P. Bento, Roberto de Alencar Lotufo: Adessowiki: Collaborative Scientific Programming Environment. SIBGRAPI Tutorials 2011: 56-62

Pedro Freitas, Leticia 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

Giovani Bernardes Vitor, André Körbes, Roberto de Alencar Lotufo, Janito Vaqueiro Ferreira: Analysis of a Step-Based Watershed Algorithm Using CUDA. IJNCR 1(4): 16-28 (2010)

Romaric Audigier, Roberto de Alencar Lotufo: Relationships between some watershed definitions and their tie-zone transforms. Image Vision Comput. 28(10): 1472-1482 (2010)

Franklin César Flores, Roberto de Alencar Lotufo: Watershed from propagated markers: An interactive method to morphological object segmentation in image sequences. Image Vision Comput. 28(11): 1491-1514 (2010)

Leticia Rittner, Franklin César Flores, Roberto de Alencar Lotufo: A tensorial framework for color images. Pattern Recognition Letters 31(4): 277-296 (2010)

Leticia 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

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

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

André Vital Saúde, Michel Couprie, Roberto de Alencar Lotufo: Discrete 2D and 3D euclidean medial axis in higher resolution. Image Vision Comput. 27(4): 354-363 (2009)

Leticia 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

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

Roberto de Alencar Lotufo, Rubens Campos Machado, André Körbes, Rafael G. Ramos: Adessowiki on-line collaborative scientific programming platform. Int. Sym. Wikis 2009

Franklin César Flores, Roberto de Alencar Lotufo: Benchmark for Quantitative Evaluation of Assisted Object Segmentation Methods to Image Sequences. SIBGRAPI 2008: 95-102

Leticia Rittner, Roberto de Alencar Lotufo: Diffusion Tensor Imaging Segmentation by Watershed Transform on Tensorial Morphological Gradient. SIBGRAPI 2008: 196-203

Alexandre Gonçalves Silva, Roberto de Alencar Lotufo: New Extinction Values from Efficient Construction and Analysis of Extended Attribute Component Tree. SIBGRAPI 2008: 204-211

Franklin César Flores, Leonardo Bespalhuk Facci, Roberto de Alencar Lotufo: Color Quantization by Morphological Histogram Processing. VISAPP (1) 2008: 93-100

Marco António Garcia de Carvalho, Roberto de Alencar Lotufo, Michel Couprie: Morphological segmentation of yeast by image analysis. Image Vision Comput. 25(1): 34-39 (2007)

Romaric Audigier, Roberto de Alencar Lotufo: Uniquely-Determined Thinning of the Tie-Zone Watershed Based on Label Frequency. Journal of Mathematical Imaging and Vision 27(2): 157-173 (2007)

Leticia 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

Romaric Audigier, Roberto de Alencar Lotufo: Seed-Relative Segmentation Robustness of Watershed and Fuzzy Connectedness Approaches. SIBGRAPI 2007: 61-70

Romaric Audigier, Roberto de Alencar Lotufo, Alexandre X. Falcão: 3D visualization to assist iterative object definition from medical images. Comp. Med. Imag. and Graph. 30(4): 217-230 (2006)

Franklin César Flores, Airton Marco Polidório, Roberto de Alencar Lotufo: TheWeighted Gradient: A Color Image Gradient Applied to Morphological Segmentation. J. Braz. Comp. Soc. 11(3): 53-63 (2006)

André Vital Saúde, Michel Couprie, Roberto de Alencar Lotufo: Exact Euclidean Medial Axis in Higher Resolution. DGCI 2006: 605-616

Romaric Audigier, Roberto de Alencar Lotufo: Duality between the Watershed by Image Foresting Transform and the Fuzzy Connectedness Segmentation Approaches. SIBGRAPI 2006: 53-60

Gustavo de Sa, Roberto de Alencar Lotufo: Improved FingerCode Matching Function. SIBGRAPI 2006: 263-272

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

Romaric Audigier, Roberto de Alencar Lotufo, Michel Couprie: The tie-zone watershed: definition, algorithm and applications. ICIP (2) 2005: 654-657

Romaric Audigier, Roberto de Alencar Lotufo: Tie-Zone Watershed, Bottlenecks, and Segmentation Robustness Analysis. SIBGRAPI 2005: 55-62

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)

Alexandre Gonçalves Silva, Roberto de Alencar Lotufo: Detection of Lines Using Hierarchical Region Based Representation. SIBGRAPI 2004: 58-64

Romaric Audigier, Roberto de Alencar Lotufo, Alexandre X. Falcão: On Integrating Iterative Segmentation by Watershed with Tridimensional Visualization of MRIs. SIBGRAPI 2004: 130-137

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

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

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

Franklin César Flores, Roberto de Alencar Lotufo: Object Segmentation in Image Sequences by Watershed from Markers: A Generic Approach. SIBGRAPI 2003: 347-354

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

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

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)

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

Roberto de Alencar Lotufo, Alexandre X. Falcão, Francisco A. Zampirolli: IFT-Watershed from Gray-Scale Marker. SIBGRAPI 2002: 146-152

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-

Marco António Garcia de Carvalho, Michel Couprie, Roberto de Alencar Lotufo: Image Segmentation by Analysis of Scale-Space. SIBGRAPI 2002: 403

Marco António Garcia de Carvalho, Michel Couprie, Roberto de Alencar Lotufo: Regions Tracking in Ventricle MR Sequence Based on Hierarchical Analysis. SIBGRAPI 2002: 410

Roberto de Alencar Lotufo, Francisco A. Zampirolli: Fast Multidimensional Parallel Euclidean Distance Transform Based on Mathematical Morphology. SIBGRAPI 2001: 100-105

Franklin César Flores, Roberto de Alencar Lotufo: Connected Filtering by Graylevel Classification through Morphological Histogram Processing. SIBGRAPI 2001: 120-

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

Marco António Garcia de Carvalho, Roberto de Alencar Lotufo: Hierarchical Regions Matching in Image Sequences through Association Graph. SIBGRAPI 2001: 396

Alexandre Gonçalves Silva, Roberto de Alencar Lotufo, Rubens Machado: Toolbox of Image Processing for Numerical Python. SIBGRAPI 2001: 402

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

Roberto de Alencar Lotufo, Alexandre X. Falcão, Francisco A. Zampirolli: Fast Euclidean Distance Transform using a Graph-Search Algorithm. SIBGRAPI 2000: 269-275

Francisco de Assis Zampirolli, Roberto de Alencar Lotufo: Classification of the Distance Transformation Algorithms under the Mathematical Morphology Approach. SIBGRAPI 2000: 292-299

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

Roberto Hirata Jr., Franklin César Flores, Junior Barrera, Roberto de Alencar Lotufo, Fernand Meyer: Color Image Gradients for Morphological Segmentation. SIBGRAPI 2000: 316-326

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

Roberto Hirata Jr., Junior Barrera, Franklin César Flores, Roberto de Alencar Lotufo: Automatic Design of Morphological Operators for Motion Segmentation. SIBGRAPI 1999: 283-292

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. Graphical Models and Image Processing 60(4): 233-260 (1998)

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)

Ramiro Jordan, Roberto de Alencar Lotufo: Interactive digital image processing course on the World Wide Web. ICIP (2) 1996: 433-436

John Rasure, Ramiro Jordan, Roberto de Alencar Lotufo: Teaching Image Processing with Khoros. ICIP (1) 1994: 506-510

Roberto de Alencar Lotufo, Barry T. Thomas, Erik L. Dagless: Road Following Algorithm Using A Panned Plan-View Transformation. ECCV 1990: 231-235

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

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