Santiago Aja-Fernández

Publication Activity (10 Years)

Years Active: 2001-2023
Publications (10 Years): 15

Top Topics

Noise Estimation

Rigid Registration

Top Venues

Medical Image Anal.

Publications

Antonio Tristán-Vega, Tomasz Pieciak, Guillem París, Justino R. Rodríguez-Galván, Santiago Aja-Fernández
HYDI-DSI revisited: Constrained non-parametric EAP imaging without q-space re-gridding. Medical Image Anal. 84 (2023)
Tomasz Pieciak, Guillem París, Dani Beck, Ivan I. Maximov, Antonio Tristán-Vega, Rodrigo de Luis García, Lars T. Westlye, Santiago Aja-Fernández
Spherical means-based free-water volume fraction from diffusion MRI increases non-linearly with age in the white matter of the healthy human brain. NeuroImage 279 (2023)
Santiago Aja-Fernández, Tomasz Pieciak, Carmen Martín-Martín, Álvaro Planchuelo-Gómez, Rodrigo de Luis García, Antonio Tristán-Vega
Moment-based representation of the diffusion inside the brain from reduced DMRI acquisitions: Generalized AMURA. Medical Image Anal. 77 (2022)
Alberto De Luca, Andrada Ianus, Alexander Leemans, Marco Palombo, Noam Shemesh, Hui Zhang, Daniel C. Alexander, Markus Nilsson, Martijn Froeling, Geert Jan Biessels, Mauro Zucchelli, Matteo Frigo, Enes Albay, Sara Sedlar, Abib Alimi, Samuel Deslauriers-Gauthier, Rachid Deriche, Rutger Fick, Maryam Afzali, Tomasz Pieciak, Fabian Bogusz, Santiago Aja-Fernández, Evren Özarslan, Derek K. Jones, Haoze Chen, Mingwu Jin, Zhijie Zhang, Fengxiang Wang, Vishwesh Nath, Prasanna Parvathaneni, Jan Morez, Jan Sijbers, Ben Jeurissen, Shreyas Fadnavis, Stefan Endres, Ariel Rokem, Eleftherios Garyfallidis, Irina Sánchez, Vesna Prchkovska, Paulo Rodrigues, Bennett A. Landman, Kurt G. Schilling
On the generalizability of diffusion MRI signal representations across acquisition parameters, sequences and tissue types: Chronicles of the MEMENTO challenge. NeuroImage 240 (2021)
Antonio Tristán-Vega, Santiago Aja-Fernández
Efficient and accurate EAP imaging from multi-shell dMRI with micro-structure adaptive convolution kernels and dual Fourier Integral Transforms (MiSFIT). NeuroImage 227 (2021)
Tomasz Pieciak, Fabian Bogusz, Antonio Tristán-Vega, Rodrigo de Luis García, Santiago Aja-Fernández
Single-Shell Return-to-the-Origin Probability Diffusion Mri Measure Under a Non-Stationary Rician Distributed Noise. ISBI (2019)
Inaki Rabanillo, Santiago Aja-Fernández, Carlos Alberola-López, Diego Hernando
Exact Calculation of Noise Maps and ${g}$ -Factor in GRAPPA Using a ${k}$ -Space Analysis. IEEE Trans. Medical Imaging 37 (2) (2018)
Tomasz Pieciak, Inaki Rabanillo-Viloria, Santiago Aja-Fernández
Bias correction for non-stationary noise filtering in MRI. ISBI (2018)
Santiago Sanz-Estébanez, Oscar Pena-Nogales, Rodrigo de Luis García, Santiago Aja-Fernández, Carlos Alberola-López
Groupwise non-rigid registration on multiparametric abdominal DWI acquisitions for robust ADC estimation: Comparison with pairwise approaches and different multimodal metrics. ISBI (2017)
Tomasz Pieciak, Santiago Aja-Fernández, Gonzalo Vegas-Sánchez-Ferrero
Non-Stationary Rician Noise Estimation in Parallel MRI Using a Single Image: A Variance-Stabilizing Approach. IEEE Trans. Pattern Anal. Mach. Intell. 39 (10) (2017)
Santiago Aja-Fernández, Oscar Pena-Nogales, Rodrigo de Luis García
Effect of sampling on the estimation of the apparent coefficient of diffusion in MRI. ICASSP (2017)
Tomasz Pieciak, Gonzalo Vegas-Sánchez-Ferrero, Santiago Aja-Fernández
Variance stabilization of noncentral-chi data: Application to noise estimation in MRI. ISBI (2016)
Luis González-Jaime, Gonzalo Vegas-Sánchez-Ferrero, Etienne E. Kerre, Santiago Aja-Fernández
Spatially-variant noise filtering in magnetic resonance imaging: A consensus-based approach. Knowl. Based Syst. 106 (2016)
Santiago Sanz-Estébanez, Lucilio Cordero-Grande, Santiago Aja-Fernández, Marcos Martín-Fernández, Carlos Alberola-López
Spatial and spectral anisotropy in HARP images: An automated approach. ISBI (2016)
Ariel Hernán Curiale, Gonzalo Vegas-Sánchez-Ferrero, Santiago Aja-Fernández
Influence of ultrasound speckle tracking strategies for motion and strain estimation. Medical Image Anal. 32 (2016)
Santiago Aja-Fernández, Ariel Hernán Curiale, Gonzalo Vegas-Sánchez-Ferrero
A local fuzzy thresholding methodology for multiregion image segmentation. Knowl. Based Syst. 83 (2015)
Santiago Aja-Fernández, Daniel García Martín, Antonio Tristán-Vega, Gonzalo Vegas-Sánchez-Ferrero
Improving GRAPPA reconstruction by frequency discrimination in the ACS lines. Int. J. Comput. Assist. Radiol. Surg. 10 (10) (2015)
Santiago Aja-Fernández, Tomasz Pieciak, Gonzalo Vegas-Sánchez-Ferrero
Spatially variant noise estimation in MRI: A homomorphic approach. Medical Image Anal. 20 (1) (2015)
Gabriel Ramos-Llordén, Gonzalo Vegas-Sánchez-Ferrero, Marcos Martín-Fernández, Carlos Alberola-López, Santiago Aja-Fernández
Anisotropic Diffusion Filter With Memory Based on Speckle Statistics for Ultrasound Images. IEEE Trans. Image Process. 24 (1) (2015)
Ariel Hernán Curiale, Gonzalo Vegas-Sánchez-Ferrero, Johan G. Bosch, Santiago Aja-Fernández
A maximum likelihood approach to diffeomorphic speckle tracking for 3D strain estimation in echocardiography. Medical Image Anal. 24 (1) (2015)
Santiago Aja-Fernández, Gonzalo Vegas-Sánchez-Ferrero
Blind estimation of spatially variant noise in GRAPPA MRI. ISBI (2015)
Santiago Aja-Fernández, Gonzalo Vegas-Sánchez-Ferrero, Antonio Tristán-Vega
Statistical Noise Analysis in SENSE Parallel MRI. CoRR (2014)
Santiago Aja-Fernández, Lucilio Cordero-Grande, Gonzalo Vegas-Sánchez-Ferrero, Rodrigo de Luis García, Carlos Alberola-López
Robust estimation of MRI myocardial perfusion parameters. EMBC (2013)
Lucilio Cordero-Grande, Susana Merino-Caviedes, Santiago Aja-Fernández, Carlos Alberola-López
Groupwise Elastic Registration by a New Sparsity-Promoting Metric: Application to the Alignment of Cardiac Magnetic Resonance Perfusion Images. IEEE Trans. Pattern Anal. Mach. Intell. 35 (11) (2013)
Antonio Tristán-Vega, Véronique Brion, Gonzalo Vegas-Sánchez-Ferrero, Santiago Aja-Fernández
Merging squared-magnitude approaches to DWI denoising: An adaptive Wiener filter tuned to the anatomical contents of the image. EMBC (2013)
Santiago Aja-Fernández, Gonzalo Vegas-Sánchez-Ferrero, Rodrigo de Luis García, Antonio Tristán-Vega
Noise estimation in magnetic resonance SENSE reconstructed data. EMBC (2013)
Luis González-Jaime, Mike Nachtegael, Etienne E. Kerre, Gonzalo Vegas-Sánchez-Ferrero, Santiago Aja-Fernández
Parametric Image Restoration Using Consensus: An Application to Nonstationary Noise Filtering. IbPRIA (2013)
Rodrigo de Luis García, Gonzalo Vegas-Sánchez-Ferrero, Santiago Aja-Fernández, Carlos Alberola-López
Atlas-based segmentation of white matter structures from DTI using tensor invariants and orientation. EMBC (2013)
Verónica García-Pérez, Antonio Tristán-Vega, Santiago Aja-Fernández, Carlos Alberola-López
Homeomorphic Geometrical Transform for Collision Response in Surgical Simulation. IbPRIA (2013)
Ariel Hernán Curiale, Gonzalo Vegas-Sánchez-Ferrero, T. Perez-Sanz, Santiago Aja-Fernández
Strain rate tensor estimation from echocardiography for quantitative assessment of functional mitral regurgitation. ISBI (2013)
Ariel Hernán Curiale, Gonzalo Vegas-Sánchez-Ferrero, Santiago Aja-Fernández
Speckle Tracking in Interpolated Echocardiography to Estimate Heart Motion. FIMH (2013)
Gonzalo Vegas-Sánchez-Ferrero, Gabriel Ramos-Llordén, Rodrigo de Luis García, Antonio Tristán-Vega, Santiago Aja-Fernández
Anisotropic diffusion filtering for correlated multiple-coil MRI. EMBC (2013)
Antonio Tristán-Vega, Santiago Aja-Fernández, Carl-Fredrik Westin
Deblurring of probabilistic ODFs in quantitative diffusion MRI. ISBI (2012)
Antonio Tristán-Vega, Verónica García-Pérez, Santiago Aja-Fernández, Carl-Fredrik Westin
Efficient and robust nonlocal means denoising of MR data based on salient features matching. Comput. Methods Programs Biomed. 105 (2) (2012)
Gonzalo Vegas-Sánchez-Ferrero, Antonio Tristán-Vega, Santiago Aja-Fernández, Marcos Martín-Fernández, Cesar Palencia, Rachid Deriche
Anisotropic LMMSE denoising of MRI based on statistical tissue models. ISBI (2012)
Gonzalo Vegas-Sánchez-Ferrero, Santiago Aja-Fernández, Marcos Martín-Fernández, Cesar Palencia
A direct calculation of moments of the sample variance. Math. Comput. Simul. 82 (5) (2012)
Santiago Aja-Fernández, Lucilio Cordero-Grande, Carlos Alberola-López
A MRI phantom for cardiac perfusion simulation. ISBI (2012)
Antonio Tristán-Vega, Santiago Aja-Fernández, Carl-Fredrik Westin
Least squares for diffusion tensor estimation revisited: Propagation of uncertainty with Rician and non-Rician signals. NeuroImage 59 (4) (2012)
Gonzalo Vegas-Sánchez-Ferrero, Santiago Aja-Fernández, Cesar Palencia, Marcos Martín-Fernández
A Generalized Gamma Mixture Model for Ultrasonic Tissue Characterization. Comput. Math. Methods Medicine 2012 (2012)
Véronique Brion, Cyril Poupon, Olivier Riff, Santiago Aja-Fernández, Antonio Tristán-Vega, Jean-François Mangin, Denis Le Bihan, Fabrice Poupon
Parallel MRI Noise Correction: An Extension of the LMMSE to Non Central χ Distributions. MICCAI (2) (2011)
Santiago Aja-Fernández, Gonzalo Vegas-Sánchez-Ferrero, Antonio Tristán-Vega
Noise estimation in MR GRAPPA reconstructed data. ISBI (2011)
Gonzalo Vegas-Sánchez-Ferrero, Diego Martín-Martínez, Pablo Casaseca-de-la-Higuera, Lucilio Cordero-Grande, Santiago Aja-Fernández, Marcos Martín-Fernández, Cesar Palencia
Realistic log-compressed law for ultrasound image recovery. ICIP (2011)
Susana Merino-Caviedes, Gonzalo Vegas-Sánchez-Ferrero, M. Teresa Pérez, Santiago Aja-Fernández, Marcos Martín-Fernández
A variationally based weighted re-initialization method for geometric active contours. ISBI (2010)
Gonzalo Vegas-Sánchez-Ferrero, Diego Martín-Martínez, Santiago Aja-Fernández, Cesar Palencia
On the influence of interpolation on probabilistic models for ultrasonic images. ISBI (2010)
Antonio Tristán-Vega, Carl-Fredrik Westin, Santiago Aja-Fernández
A new methodology for the estimation of fiber populations in the white matter of the brain with the Funk-Radon transform. NeuroImage 49 (2) (2010)
Antonio Tristán-Vega, Santiago Aja-Fernández
DWI filtering using joint information for DTI and HARDI. Medical Image Anal. 14 (2) (2010)
Gonzalo Vegas-Sánchez-Ferrero, Santiago Aja-Fernández, Marcos Martín-Fernández, Alejandro F. Frangi, Cesar Palencia
Probabilistic-Driven Oriented Speckle Reducing Anisotropic Diffusion with Application to Cardiac Ultrasonic Images. MICCAI (1) (2010)
Antonio Tristán-Vega, Carl-Fredrik Westin, Santiago Aja-Fernández
Estimation of fiber Orientation Probability Density Functions in High Angular Resolution Diffusion Imaging. NeuroImage 47 (2) (2009)
Verónica García-Pérez, Emma Muñoz-Moreno, Santiago Aja-Fernández, Carlos Alberola-López
A 3-D Collision Handling Algorithm for Surgery Simulation Based on Feedback Fuzzy Logic. IEEE Trans. Inf. Technol. Biomed. 13 (4) (2009)
Antonio Tristán-Vega, Santiago Aja-Fernández
Design and Construction of a Realistic DWI Phantom for Filtering Performance Assessment. MICCAI (1) (2009)
Antonio Tristán-Vega, Santiago Aja-Fernández, Carl-Fredrik Westin
On the Blurring of the Funk-Radon Transform in Q-Ball Imaging. MICCAI (1) (2009)
Santiago Aja-Fernández, Gonzalo Vegas-Sánchez-Ferrero, Marcos Martín-Fernández, Carlos Alberola-López
Automatic noise estimation in images using local statistics. Additive and multiplicative cases. Image Vis. Comput. 27 (6) (2009)
Karl Krissian, Santiago Aja-Fernández
Noise-Driven Anisotropic Diffusion Filtering of MRI. IEEE Trans. Image Process. 18 (10) (2009)
Antonio Tristán-Vega, Carl-Fredrik Westin, Santiago Aja-Fernández
Bias of Least Squares Approaches for Diffusion Tensor Estimation from Array Coils in DT-MRI. MICCAI (1) (2009)
Emma Muñoz-Moreno, Santiago Aja-Fernández, Marcos Martín-Fernández
A methodology for quality assessment in tensor images. CVPR Workshops (2008)
Santiago Aja-Fernández, Carlos Alberola-López, Carl-Fredrik Westin
Noise and Signal Estimation in Magnitude MRI and Rician Distributed Images: A LMMSE Approach. IEEE Trans. Image Process. 17 (8) (2008)
Antonio Tristán-Vega, Gonzalo Vegas-Sánchez-Ferrero, Santiago Aja-Fernández
Local similarity measures for demons-like registration algorithms. ISBI (2008)
Santiago Aja-Fernández, Marc Niethammer, Marek Kubicki, Martha Elizabeth Shenton, Carl-Fredrik Westin
Restoration of DWI Data Using a Rician LMMSE Estimator. IEEE Trans. Medical Imaging 27 (10) (2008)
Santiago Aja-Fernández, Carlos Alberola-López
Matrix Modeling of Hierarchical Fuzzy Systems. IEEE Trans. Fuzzy Syst. 16 (3) (2008)
Gonzalo Vegas-Sánchez-Ferrero, Antonio Tristán-Vega, Lucilio Cordero-Grande, Pablo Casaseca-de-la-Higuera, Santiago Aja-Fernández, Marcos Martín-Fernández, Carlos Alberola-López
Strain Rate Tensor estimation in cine cardiac MRI based on elastic image registration. CVPR Workshops (2008)
Antonio Tristán-Vega, Santiago Aja-Fernández
Joint LMMSE Estimation of DWI Data for DTI Processing. MICCAI (2) (2008)
Santiago Aja-Fernández, Marcos Martín-Fernández, Carlos Alberola-López
Tissue Identification in Ultrasound Images using Rayleigh Local Parameter Estimation. BIBE (2007)
Marc Niethammer, Sylvain Bouix, Santiago Aja-Fernández, Carl-Fredrik Westin, Martha Elizabeth Shenton
Outlier Rejection for Diffusion Weighted Imaging. MICCAI (1) (2007)
Santiago Aja-Fernández, Carlos Alberola-López, Carl-Fredrik Westin
Signal LMMSE Estimation from Multiple Samples in MRI and DT-MRI. MICCAI (2) (2007)
Santiago Aja-Fernández, Raúl San José Estépar, Carlos Alberola-López, Carl-Fredrik Westin
Image Quality Assessment based on Local Variance. EMBC (2006)
Santiago Aja-Fernández, Carlos Alberola-López
On the estimation of the coefficient of variation for anisotropic diffusion speckle filtering. IEEE Trans. Image Process. 15 (9) (2006)
Santiago Aja-Fernández, Carlos Alberola-López
Matrix-based hierarchical fuzzy systems. ICINCO-ICSO (2006)
Santiago Aja-Fernández, Carlos Alberola-López
Fuzzy feedback system analysis using transition matrices. Fuzzy Sets Syst. 157 (4) (2006)
Federico Simmross-Wattenberg, Noemí Carranza-Herrezuelo, Cristina Palacios-Camarero, Pablo Casaseca-de-la-Higuera, Miguel Ángel Martín-Fernández, Santiago Aja-Fernández, Juan Ruiz-Alzola, Carl-Fredrik Westin, Carlos Alberola-López
Group-Slicer: A collaborative extension of 3D-Slicer. J. Biomed. Informatics 38 (6) (2005)
Santiago Aja-Fernández, Carlos Alberola-López
Fast Inference Using Transition Matrices: An Extension to Nonlinear Operators. IEEE Trans. Fuzzy Syst. 13 (4) (2005)
Santiago Aja-Fernández, Carlos Alberola-López
Matrix Inference in Fuzzy Decision Trees. EUSFLAT Conf. (2005)
Santiago Aja-Fernández, Carlos Alberola-López
Hierarchical fuzzy systems with FITM. FUZZ-IEEE (2004)
Santiago Aja-Fernández, Carlos Alberola-López
Fast inference in SAM fuzzy systems using transition matrices. IEEE Trans. Fuzzy Syst. 12 (2) (2004)
Santiago Aja-Fernández, Rodrigo de Luis García, Miguel Ángel Martín-Fernández, Carlos Alberola-López
approach. J. Biomed. Informatics 37 (2) (2004)
Santiago Aja-Fernández, Carlos Alberola-López, Juan Ruiz-Alzola
A fuzzy-controlled Kalman filter applied to stereo-visual tracking schemes. Signal Process. 83 (1) (2003)
Santiago Aja-Fernández, Carlos Alberola-López
Inference with fuzzy granules for computing with words: a practical viewpoint. FUZZ-IEEE (2003)
Santiago Aja-Fernández, Carlos Alberola-López, George Cybenko
A fuzzy MHT algorithm applied to text-based information tracking. IEEE Trans. Fuzzy Syst. 10 (3) (2002)
Santiago Aja-Fernández, Carlos Alberola-López, Juan Ruiz
Fuzzy anisotropic diffusion for speckle filtering. ICASSP (2001)