Nelson D. A. Mascarenhas

According to our database, Nelson D. A. Mascarenhas authored at least 71 papers between 1980 and 2022.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2022

A new bayesian Poisson denoising algorithm based on nonlocal means and stochastic distances.

Rodrigo C. Evangelista, Denis H. P. Salvadeo, Nelson D. A. Mascarenhas

Pattern Recognit., 2022

2020

Poisson denoising under a Bayesian nonlocal approach using geodesic distances with low-dose CT applications.

Daniel A. Góes, Nelson D. A. Mascarenhas

Digit. Signal Process., 2020

2019

Geodesic Distances in Probabilistic Spaces for Patch-Based Ultrasound Image Processing.

Cid A. N. Santos, Nelson D. A. Mascarenhas

IEEE Trans. Image Process., 2019

SAR Speckle Nonlocal Filtering With Statistical Modeling of Haar Wavelet Coefficients and Stochastic Distances.

Pedro A. A. Penna, Nelson D. A. Mascarenhas

IEEE Trans. Geosci. Remote. Sens., 2019

Patch similarity in ultrasound images with hypothesis testing and stochastic distances.

Cid A. N. Santos, Nelson D. A. Mascarenhas

Comput. Medical Imaging Graph., 2019

2018

Poisson Wiener filtering with non-local weighted parameter estimation using stochastic distances.

Andre A. Bindilatti, Marcelo Andrade da Costa Vieira, Nelson D. A. Mascarenhas

Signal Process., 2018

(Non-) homomorphic approaches to denoise intensity SAR images with non-local means and stochastic distances.

Pedro A. A. Penna, Nelson D. A. Mascarenhas

Comput. Geosci., 2018

2017

Ultrasound Image Despeckling Using Stochastic Distance-Based BM3D.

Cid A. N. Santos, Diego L. N. Martins, Nelson D. A. Mascarenhas

IEEE Trans. Image Process., 2017

2016

Image Restoration Using Gradient Iteration and Constraints for Band Extrapolation.

Moacir Ponti, Elias S. Helou, Paulo Jorge S. G. Ferreira, Nelson D. A. Mascarenhas

IEEE J. Sel. Top. Signal Process., 2016

Nonlocal Markovian models for image denoising.

Denis H. P. Salvadeo, Nelson D. A. Mascarenhas, Alexandre L. M. Levada

J. Electronic Imaging, 2016

2015

Double Noise Filtering in CT: Pre- and Post-Reconstruction.

Vinicius C. Assis, Denis H. P. Salvadeo, Nelson D. A. Mascarenhas, Alexandre L. M. Levada

Proceedings of the 28th SIBGRAPI Conference on Graphics, Patterns and Images, 2015

2014

Denoising based on non local means for ultrasound images with simultaneous multiple noise distributions.

Denis H. P. Salvadeo, Isabelle Bloch, Florence Tupin, Nelson D. A. Mascarenhas, Alexandre L. M. Levada, Charles-Alban Deledalle, Sonia Dahdouh

Proceedings of the 2014 IEEE International Conference on Image Processing, 2014

2013

A Nonlocal Poisson Denoising Algorithm Based on Stochastic Distances.

Andre A. Bindilatti, Nelson D. A. Mascarenhas

IEEE Signal Process. Lett., 2013

Three-dimensional noisy image restoration using filtered extrapolation and deconvolution.

Moacir P. Ponti Jr., Nelson D. A. Mascarenhas, Paulo Jorge S. G. Ferreira, Cláudio A. T. Suazo

Signal Image Video Process., 2013

Spatio-Temporal Resolution Enhancement of Vocal Tract MRI Sequences - A Comparison Among Wiener Filter Based Methods.

Ana Luísa Dine Martins, Nelson D. A. Mascarenhas

J. Math. Imaging Vis., 2013

Mammographic Image Denoising and Enhancement Using the Anscombe Transformation, Adaptive Wiener Filtering, and the Modulation Transfer Function.

Larissa Cristina dos Santos Romualdo, Marcelo Andrade da Costa Vieira, Homero Schiabel, Nelson D. A. Mascarenhas, Lucas R. Borges

J. Digit. Imaging, 2013

MRI Iterative Super Resolution with Wiener Filter Regularization.

Marcia L. S. Aguena, Nelson D. A. Mascarenhas, Júnia Coutinho Anacleto, Sidney S. Fels

Proceedings of the XXVI Conference on Graphics, Patterns and Images, 2013

2012

Deconvolution of vibroacoustic images using a simulation model based on a three dimensional point spread function

Talita Perciano, Matthew W. Urban, Nelson D. A. Mascarenhas, Mostafa Fatemi, Alejandro César Frery, Glauber T. Silva

CoRR, 2012

Contextual Filtering of CT Images Using Markovian Wiener Filters with a Non Local Means Approach for Statistical Estimation.

Denis H. P. Salvadeo, Nelson D. A. Mascarenhas, Alexandre L. M. Levada

Proceedings of the 25th SIBGRAPI Conference on Graphics, Patterns and Images, 2012

Filtering of Poisson Noise in Digital Mammography Using Local Statistics and Adaptive Wiener Filter.

Marcelo Andrade da Costa Vieira, Predrag R. Bakic, Andrew D. A. Maidment, Homero Schiabel, Nelson D. A. Mascarenhas

Proceedings of the Breast Imaging, 2012

Change detection in multitemporal HR SAR images: A hypothesis test-based approach.

Michelle Matos Horta, Nelson D. A. Mascarenhas, Hélène Sportouche, Nicolas Seichepine, Florence Tupin, Jean-Marie Nicolas

Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012

Wiener based spatial resolution enhancement of MRI sequences of the vocal tract: A comparison between two correlation models.

Ana Luísa Dine Martins, Nelson D. A. Mascarenhas

Proceedings of the 19th IEEE International Conference on Image Processing, 2012

2011

Spatio-temporal resolution enhancement of vocal tract MRI sequences based on image registration.

Ana Luísa Dine Martins, Nelson D. A. Mascarenhas, Cláudio A. T. Suazo

Integr. Comput. Aided Eng., 2011

Improving Face Recognition Performance Using RBPCA MaxLike and Information Fusion.

Denis H. P. Salvadeo, Nelson D. A. Mascarenhas, Jander Moreira, Alexandre L. M. Levada, Débora C. Corrêa

Comput. Sci. Eng., 2011

Spatio-temporal Resolution Enhancement of Vocal Tract MRI Sequences Based on the Wiener Filter.

Ana Luísa Dine Martins, Nelson D. A. Mascarenhas

Proceedings of the 24th SIBGRAPI Conference on Graphics, 2011

Generalization of Iterative Restoration Techniques for Super-Resolution.

Marcia L. S. Aguena, Nelson D. A. Mascarenhas

Proceedings of the 24th SIBGRAPI Conference on Graphics, 2011

Noise reduction filters based on pointwise MAP for CT images.

Rafael José Geraldo, Nelson D. A. Mascarenhas

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2011), 2011

2010

A novel MAP-MRF approach for multispectral image contextual classification using combination of suboptimal iterative algorithms.

Alexandre L. M. Levada, Nelson D. A. Mascarenhas, Alberto Tannús

Pattern Recognit. Lett., 2010

Does Background Intensity Estimation Influence the Iterative Restoration of Microscope Images?

Moacir P. Ponti Jr., Nelson D. A. Mascarenhas

Proceedings of the SIBGRAPI 2010, 2010

2009

Aumento de Resolução Temporal de Sequências de Imagens do Trato Vocal por meio de Registro das Imagens.

Ana L. D. Martins, Nelson D. A. Mascarenhas, Cláudio A. T. Suazo

RITA, 2009

Iterative self-dual reconstruction on radar image recovery.

Charles Iury Oliveira Martins, Daniela Mayumi Ushizima, Fátima N. S. de Medeiros, Francisco Nivando Bezerra, Régis C. P. Marques, Nelson D. A. Mascarenhas

Proceedings of the IEEE Workshop on Applications of Computer Vision (WACV 2009), 2009

GSAShrink: A Novel Iterative Approach for Wavelet-Based Image Denoising.

Alexandre L. M. Levada, Alberto Tannús, Nelson D. A. Mascarenhas

Proceedings of the SIBGRAPI 2009, 2009

Super-resolution image reconstruction using the generalized isotropic multi-level logistic model.

Ana Luísa Dine Martins, Murillo R. P. Homem, Nelson D. A. Mascarenhas

Proceedings of the 2009 ACM Symposium on Applied Computing (SAC), 2009

Map-MRF Super-Resolution Image Reconstruction using Maximum Pseudo-Likelihood parameter estimation.

Ana Luísa Dine Martins, Alexandre L. M. Levada, Murillo R. P. Homem, Nelson D. A. Mascarenhas

Proceedings of the International Conference on Image Processing, 2009

Fast and accurate holistic face recognition using Optimum-Path Forest.

João P. Papa, Alexandre X. Falcão, Alexandre L. M. Levada, Débora C. Corrêa, Denis H. P. Salvadeo, Nelson D. A. Mascarenhas

Proceedings of the 16th International Conference on Digital Signal Processing, 2009

2008

Pseudolikelihood Equations for Potts MRF Model Parameter Estimation on Higher Order Neighborhood Systems.

Alexandre L. M. Levada, Nelson D. A. Mascarenhas, Alberto Tannús

IEEE Geosci. Remote. Sens. Lett., 2008

Restoration of vibro-acoustography images.

Talita Perciano, Nelson D. A. Mascarenhas, Alejandro César Frery, Glauber T. Silva

Proceedings of the 2008 ACM Symposium on Applied Computing (SAC), 2008

Spatially non-homogeneous potts model parameter estimation on higher-order neighborhood systems by maximum pseudo-likelihood.

Alexandre L. M. Levada, Nelson D. A. Mascarenhas, Alberto Tannús, Denis H. P. Salvadeo

Proceedings of the 2008 ACM Symposium on Applied Computing (SAC), 2008

A Discrete Approach for Supervised Pattern Recognition.

João P. Papa, Alexandre X. Falcão, Celso T. N. Suzuki, Nelson D. A. Mascarenhas

Proceedings of the Combinatorial Image Analysis, 12th International Workshop, 2008

On the asymptotic variances of Gaussian Markov Random Field model hyperparameters in stochastic image modeling.

Alexandre L. M. Levada, Nelson D. A. Mascarenhas, Alberto Tannús

Proceedings of the 19th International Conference on Pattern Recognition (ICPR 2008), 2008

A comparison of clustering fully polarimetric SAR images using SEM algorithm and G⁰P mixture modelwith different initializations.

Michelle Matos Horta, Nelson D. A. Mascarenhas, Alejandro César Frery

Proceedings of the 19th International Conference on Pattern Recognition (ICPR 2008), 2008

A novel pseudo-likelihood equation for Potts MRF model parameter estimation in image analysis.

Alexandre L. M. Levada, Nelson D. A. Mascarenhas, Alberto Tannús

Proceedings of the International Conference on Image Processing, 2008

Improving Potts MRF Model Parameter Estimation in Image Analysis.

Alexandre L. M. Levada, Nelson D. A. Mascarenhas, Alberto Tannús

Proceedings of the 11th IEEE International Conference on Computational Science and Engineering, 2008

2007

A parallel application for 3D reconstruction of coronal loops using image morphing.

Lilian N. de Faria, Nelson D. A. Mascarenhas, Célio Estevan Morón, José Hiroki Saito, Reinaldo R. Rosa, Hanumant S. Sawant

Image Vis. Comput., 2007

A Restoration and Extrapolation Iterative Method for Band-limited Fluorescence Microscopy Image.

Moacir P. Ponti Jr., Nelson D. A. Mascarenhas, Cláudio A. T. Suazo

Proceedings of the SIBGRAPI 2007, 2007

Multilayer Perceptron Classifier Combination for Identification of Materials on Noisy Soil Science Multispectral Images.

Fabricio A. Breve, Moacir P. Ponti Jr., Nelson D. A. Mascarenhas

Proceedings of the SIBGRAPI 2007, 2007

Design of robust pattern classifiers based on optimum-path forests.

João P. Papa, Alexandre X. Falcão, Paulo A. V. Miranda, Celso T. N. Suzuki, Nelson D. A. Mascarenhas

Proceedings of the 8th ISMM 2007: Rio de Janeiro, Brazil - Volume 1, 2007

Super-Resolution Image Reconstruction using the ICM Algorithm.

Ana Luísa Dine Martins, Murillo R. P. Homem, Nelson D. A. Mascarenhas

Proceedings of the International Conference on Image Processing, 2007

2006

Multispectral image data fusion using POCS and super-resolution.

Marcia L. S. Aguena, Nelson D. A. Mascarenhas

Comput. Vis. Image Underst., 2006

2005

Visual environment for high performance real-time 3D reconstruction.

Célio Estevan Morón, Lilian N. de Faria, Nelson D. A. Mascarenhas, José Hiroki Saito, Reinaldo R. Rosa, Hanumant S. Sawant

SIGBED Rev., 2005

Editorial.

Nelson D. A. Mascarenhas, Roberto M. Cesar

RITA, 2005

A Hybrid Estimation Theoretic-POCS Method for Tomographic Image Reconstruction.

Fernando V. Salina, Nelson D. A. Mascarenhas

Proceedings of the 18th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2005), 2005

Combining Methods to Stabilize and Increase Performance of Neural Network-Based Classifiers.

Fabricio A. Breve, Moacir P. Ponti Jr., Nelson D. A. Mascarenhas

Proceedings of the 18th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2005), 2005

2004

Skeletonization of Two-Dimensional Shapes via Fast Numerical Calculation of Vector Fields.

Murillo R. P. Homem, Luciano da Fontoura Costa, Nelson D. A. Mascarenhas

Proceedings of the XVII Brazilian Symposium on Computer Graphics and Image Processing, 2004

The Influence of the Noise in the Restoration of Solar Radio Images using Adaptive Regularization Techniques Based on Clustering.

Will R. S. Machado, Nelson D. A. Mascarenhas, Joaquim E. R. Costa

Proceedings of the 17th International Conference on Pattern Recognition, 2004

2003

Image Morphing Applied to 3D Reconstruction of Coronal Loops.

Lilian N. de Faria, Nelson D. A. Mascarenhas, Célio Estevan Morón, Reinaldo R. Rosa, Hanumant S. Sawant

Proceedings of the 16th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2003), 2003

2002

Biological Image Restoration in Optical-Sectioning Microscopy Using Prototype Image Constraints.

Murillo R. P. Homem, Nelson D. A. Mascarenhas, Luciano da Fontoura Costa, C. Preza

Real Time Imaging, 2002

Edge Preserving Wavelet Speckle Filtering.

Fátima N. S. de Medeiros, Nelson D. A. Mascarenhas, Régis C. P. Marques, Cassius M. Laprano

Proceedings of the 5th IEEE Southwest Symposium on Image Analysis and Interpretation, 2002

A Comparison of POCS Algorithms for Tomographic Reconstruction Under Noise and Limited View.

Fernando V. Salina, Nelson D. A. Mascarenhas, Paulo Estevão Cruvinel

Proceedings of the 15th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2002), 2002

Evaluating an Adaptive Windowing Scheme in Speckle Noise MAP Filtering.

Fátima N. S. de Medeiros, Nelson D. A. Mascarenhas, Régis C. P. Marques, Cassius M. Laprano

Proceedings of the 15th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2002), 2002

Multispectral Image Data Fusion Using Projections onto Convex Sets Techniques.

Marcia L. S. Aguena, Nelson D. A. Mascarenhas

Proceedings of the 15th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2002), 2002

2001

Analysis of Medical Image Sequences by Recursive Polynomial Registration.

Mário P. M. F. Prado, Nelson D. A. Mascarenhas, Paulo M. A. Marques

Proceedings of the 14th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2001), 2001

2000

An Estimation Theoretic Approach to 3D Image Interpolation.

Nelson D. A. Mascarenhas, Ilana A. Souza, Paulo Estevão Cruvinel, Clovis I. Biscegli, Reinaldo R. Rosa

Proceedings of the 13th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2000), 2000

Analysis of the Robustness of Iterative Restoration Methods with Respect to Variations of the Point Spread Function.

Vital C. Ferreira, Nelson D. A. Mascarenhas

Proceedings of the 2000 International Conference on Image Processing, 2000

1999

Image Data Fusion Using Projection over the Set of Solutions of an Underdetermined Least Squares Problem.

Gustavo Zaniboni, Nelson D. A. Mascarenhas

Proceedings of the XII Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI '99), 1999

Speckle Noise MAP Filtering Based on Local Adaptive Neighborhood Statistics.

Fátima N. S. de Medeiros, Nelson D. A. Mascarenhas, Luciano da Fontoura Costa

Proceedings of the XII Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI '99), 1999

1995

Projection estimation in 3D PET reconstruction: a statistical evaluation.

Sérgio Shiguemi Furuie, Gabor T. Herman, Nelson D. A. Mascarenhas, Samuel Matej

Proceedings of the Proceedings 1995 International Conference on Image Processing, 1995

1992

Image registration by sequential tests of hypotheses: The relationship between Gaussian and binomial models.

Nelson D. A. Mascarenhas, Guaraci J. Erthal

Comput. Graph., 1992

1984

Digital image registration by sequential analysis.

J. A. G. Pereira, Nelson D. A. Mascarenhas

Comput. Graph., 1984

1983

Methods for image interpolation through FIR filter design techniques.

Gilberto Câmara, Nelson D. A. Mascarenhas

Proceedings of the IEEE International Conference on Acoustics, 1983

1980

New Methods for Picture Reconstruction: Recursive and Causal Techniques.

Nelson D. A. Mascarenhas, Luiz F. V. Fernandes

IEEE Trans. Pattern Anal. Mach. Intell., 1980