Alvaro R. De Pierro - researchr alias

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Viewing Publication 1 - 29 from 29

2019

A Telescopic Bregmanian Proximal Gradient Method Without the Global Lipschitz Continuity AssumptionDaniel Reem, Simeon Reich, Alvaro R. De Pierro. jota, 182(3):851-884, 2019. [doi]

2017

Improving compressive sensing in MRI with separate magnitude and phase priorsMarcelo V. W. Zibetti, Alvaro R. De Pierro. mssp, 28(4):1109-1131, 2017. [doi]

2016

Fast and exact unidimensional L2-L1 optimization as an accelerator for iterative reconstruction algorithmsMarcelo Victor Wüst Zibetti, Daniel R. Pipa, Alvaro R. De Pierro. dsp, 48:178-187, 2016. [doi]

2015

Accelerating the over-relaxed iterative shrinkage-thresholding algorithms with fast and exact line search for high resolution tomographic image reconstructionMarcelo Victor Wüst Zibetti, Elias S. Helou, Eduardo X. Miqueles, Alvaro R. De Pierro. icip 2015: 2305-2308 [doi]

2011

Iterative Reconstruction in X-ray Fluorescence Tomography Based on Radon InversionEduardo X. Miqueles, Alvaro R. De Pierro. tmi, 30(2):438-450, 2011. [doi]

C-library raft: Reconstruction algorithms for tomography. Applications to X-ray fluorescence tomographyEduardo X. Miqueles, Alvaro R. De Pierro. cphysics, 182(12):2661-2673, 2011. [doi]

2010

Iterative methods based on spline approximations to detect discontinuities from Fourier dataAna Gabriela Martínez, Alvaro R. De Pierro. jcam, 234(12):3268-3282, 2010. [doi]

Xfct inversion by generalized ridge functionsEduardo X. Miqueles, Alvaro R. De Pierro. isbi 2010: 780-783 [doi]

Separate magnitude and phase regularization in MRI with incomplete data: preliminary resultsMarcelo Victor Wüst Zibetti, Alvaro R. De Pierro. isbi 2010: 736-739 [doi]

2009

2008

Approximating Functions From Sampled Fourier Data Using Spline PseudofiltersAna Gabriela Martínez, Alvaro R. De Pierro. tsp, 56(4):1489-1501, 2008. [doi]

Fluorescence tomography: Reconstruction by iterative methodsEduardo X. Miqueles, Alvaro R. De Pierro. isbi 2008: 760-763 [doi]

2005

On the Effect of Relaxation in the Convergence and Quality of Statistical Image Reconstruction for Emission Tomography Using Block-Iterative AlgorithmsElias Salomão Helou Neto, Alvaro R. De Pierro. sibgrapi 2005: 13-20 [doi]

Simultaneous activity attenuation reconstruction in positron emission tomography via maximum likelihood and iterative methodsAlvaro R. De Pierro, Fabiana Crepaldi. icip 2005: 624-627 [doi]

Iterative methods based on polynomial interpolation filters to detect discontinuities and recover point values from Fourier dataMusheng Wei, Alvaro R. De Pierro, Jiahong Yin. tsp, 53(1):136-146, 2005. [doi]

2004

Error Estimates for Two Filters Based on Polynomial Interpolation for Recovering a Function from Its Fourier CoefficientsMusheng Wei, Alvaro R. De Pierro, Jiahong Yin. na, 35(2-4):205-231, 2004. [doi]

2001

Fast EM-like Methods for Maximum A Posteriori Estimates in Emission TomographyAlvaro R. De Pierro, Michel E. B. Yamagishi. tmi, 20(4):280-288, 2001.

2000

Upper Perturbation Bounds of Weighted Projections, Weighted and Constrained Least Squares ProblemsMusheng Wei, Alvaro R. De Pierro. siammax, 21(3):931-951, 2000. [doi]

1999

Reconstruction of a compactly supported function from the discrete sampling of its Fourier transformJiahong Yin, Alvaro R. De Pierro, Musheng Wei. tsp, 47(12):3356-3364, 1999. [doi]

1996

A row-action alternative to the EM algorithm for maximizing likelihood in emission tomographyJolyon A. Browne, Alvaro R. De Pierro. tmi, 15(5):687-699, 1996. [doi]

1995

A modified expectation maximization algorithm for penalized likelihood estimation in emission tomographyAlvaro R. De Pierro. tmi, 14(1):132-137, 1995. [doi]

On the convergence of an EM-type algorithm for penalized likelihood estimation in emission tomographyAlvaro R. De Pierro. tmi, 14(4):762-765, 1995. [doi]

1993

Convergence Properties of Iterative Methods for Symmetric Positive Semidefinite Linear Complementarity ProblemsAlvaro R. De Pierro, Alfredo N. Iusem. mor, 18(2):317-333, 1993. [doi]

1992

On methods for maximum a posteriori image reconstruction with a normal priorGabor T. Herman, Alvaro R. De Pierro, Neville Gai. jvcir, 3(4):316-324, 1992. [doi]

1991

On the convergence of Han s method for convex programming with quadratic objectiveAlfredo N. Iusem, Alvaro R. De Pierro. mp, 52:265-284, 1991.

1990

On the Convergence Properties of Hildreth s Quadratic Programming AlgorithmAlfredo N. Iusem, Alvaro R. De Pierro. mp, 47:37-51, 1990.

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