David Afonso

Former Collaborator
Ph.D. Students
Signal Processing. Love Applying engineering methods to solve medical problems. Again. New stuff here.
Journal Papers
[1] David Afonso, José Seabra, L. M. Pedro, João Sanches, An Ultrasonographic Risk Score For Detecting Symptomatic Carotid Atherosclerotic Plaques, IEEE Journal of Biomedical and Health Informatics, Vol.19, No.4, pp. 1505 - 1513, July, 2015
[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
Conference Papers
[3] 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
[4] 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
[5] 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
[6] 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
[7] 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
[8] 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
[9] 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
[10] 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
[11] 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
[12] 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
[13] 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
[14] 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
[15] 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
MSc Theses
[16] David Afonso, Detection of Brain Activated Regions from Functional MRI, fMRI, and Fusion with structural MRI Information, Master Thesis, Instituto Superior Tecnico, Universidade Tecnica de Lisboa, 2007
[1] David Afonso, José Seabra, L. M. Pedro, João Sanches, An Ultrasonographic Risk Score For Detecting Symptomatic Carotid Atherosclerotic Plaques, IEEE Journal of Biomedical and Health Informatics, Vol.19, No.4, pp. 1505 - 1513, July, 2015
[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
[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, 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
[4] 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
[5] 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] 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] 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] 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] 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] 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] 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
[1] David Afonso, Detection of Brain Activated Regions from Functional MRI, fMRI, and Fusion with structural MRI Information, Master Thesis, Instituto Superior Tecnico, Universidade Tecnica de Lisboa, 2007