David Afonso

Position: Ph.D. Student

Phone: +351-218418199

Office: 6.13

FCT: fMRI, Ultrasound, Image Processing

FCT: J504439FYR5L

Signal Processing. Love Applying engineering methods to solve medical problems.

No projects found

[2] U. R. Acharya, M. R. Mookiah, S. V. Sree, David Afonso, João Sanches, S. Shafique, A. Nicolaides, L. M. Pedro, J. Fernandes e Fernandes, J. S. Suri "Atherosclerotic plaque tissue characterization in 2D ultrasound longitudinal carotid scans for automated classification: a paradigm for stroke risk assessment", Medical & Biological Engineering & Computing, Vol. 51, Issue 5, pp. 513-523, May, 2013

No publications found for author "cap-davidmiguelpegas"

[1] David Afonso, João Sanches "Detection of Carotid Plaque Symptoms using Ultrasound Imaging", Proc. of IbPRIA 2013 - 6th Iberian Conference on Pattern Recognition and Image Analysis, Madeira, Portugal, 2013

[2] David Afonso, José Seabra, J. S. Suri, João Sanches "A CAD system for Atherosclerotic Plaque Assessment", Proc. of EMBC 2012 - 34th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, San Diego, CA, USA, pp. 10081011, 2012

[3] David Afonso, João Sanches "Probe Velocity Tracking in Free-hand US without Spatial Locator", Proc. of RecPad 2011 - 17th Portuguese Conference on Pattern Recognition, Porto, Portugal, 2011

[4] David Afonso, Patrícia Figueiredo, João Sanches "Automatic Hyper-Parameter estimation in fMRI", Proc. of IbPRIA 2011 - 5th Iberian Conference on Pattern Recognition and Image Analysis, Las Palmas de Gran Canaria, Spain, 2011

[5] Patrícia Figueiredo, João Sanches, David Afonso "Parameter free Bayesian activity detection in fMRI", Proc. of HBM 2010 - 16th Annual Meeting of the Organization for Human Brain Mapping, Barcelona, Spain, 2010

[6] João Sanches, David Afonso "ARMA estimation a comparison study for fMRI", Proc. of RecPad 2009 - 15th edition of the Portuguese Conference on Pattern Recognition, Aveiro, Portugal, 2009

[7] João Sanches, David Afonso, M. Lauterbach "FMRI Brain Activity and Underlying Hemodynamics Estimation in a New Bayesian Framework", Proc. of ISBI 2008 - 5th IEEE International Symposium on Biomedical Imaging: From Nano to Macro, Paris, France, 2008

[8] João Sanches, David Afonso, M. Lauterbach, K. Bartnykas "Comparison of Two Different Approaches for Brain Activity Detection in FMRI: SPM-Bayesian and SPM-GLM", Proc. of ISBI 2008 - 5th IEEE International Symposium on Biomedical Imaging: From Nano to Macro, Paris, France, 2008

[9] João Sanches, David Afonso, M. H. Lauterbach "Robust Brain Activation Detection in Functional MRI", Proc. of ICIP 2008 - IEEE International Conference on Image Processing, San Diego, CA, USA, 2008

[10] João Sanches, David Afonso, M. Lauterbach "Joint Bayesian Detection of Brain Activated Regions and Local HRF Estimation in Functional MRI", Proc. of ICASSP 2008 - IEEE International Conference on Acoustics, Speech, and Signal Processing, Las Vegas, Nevada, USA, 2008

[11] João Sanches, David Afonso, M. H. Lauterbach "Neural physiological modeling towards a hemodynamic response function for fMRI", Proc. of EMBS 2007 - 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Lyon, France , 2007

[12] João Sanches, David Afonso, M. H. Lauterbach, K. Bartnykas "Robust Bayesian Detectionof Brain Activated Regions with Functional MRI", Proc. of RecPad 2007 - 13ª Conferencia Portuguesa de Reconhecimento de Padroes, Lisbon, Portugal , 2007

[13] João Sanches, David Afonso, M. H. "Physiologically Based Hemodynamic Model of Neural Tissues", Proc. of RecPad 2007 - 13ª Conferencia Portuguesa de Reconhecimento de Padroes, Lisbon, Portugal , 2007

No publications found for author "cap-davidmiguelpegas"

No publications found for author "cap-davidmiguelpegas"