Realistic Facial Three-Dimensional Reconstruction from CT Images and 2D Photographic Images for Surgical-Orthognathic Planning

Applied Sciences

2023 | journal-article

Assessment of atherosclerotic plaque calcification using F18-NaF PET-CT

Journal of Nuclear Cardiology

2018 | journal-article

Distributed non-invasive system for measuring the arterial input function in PET

2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings

2018 | conference-paper

Radiation dose comparison between V/P-SPECT and CT-angiography in the diagnosis of pulmonary embolism

Physica Medica

2017 | journal-article

Calibration and dead time correction for a PET scanner with variable geometry

2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014

2016 | conference-paper

GABA deficiency in NF1

Neurology

2016 | journal-article

3D liver segmentation in computed tomography and positron emission tomography exams through active surfaces

Proceedings - 2015 IEEE 4th Portuguese Meeting on Bioengineering, ENBENG 2015

2015 | conference-paper

Impact of attenuation and scatter corrections in the quantification of SPECT brain images

European Journal of Nuclear Medicine and Molecular Imaging

2015 | journal-article

Synthesis of a new F-18 labeled porphyrin for potential application in positron emission tomography. In vivo imaging and cellular uptake

Rsc Advances

2015 | journal-article

The Warburg effect in mycobacterial granulomas is dependent on the recruitment and activation of macrophages by interferon-gamma

Immunology

2015 | journal-article

Time-of-Flight Positron Emission Tomography with Resistive Plate Chamber Detectors: An Unlikely but Promising Approach

Acta Physica Polonica a

2015 | journal-article

Time-of-flight positron emission tomography with resistive plate chamber detectors: An unlikely but promising approach

Acta Physica Polonica A

2015 | journal-article

Automated identification of the lung contours in positron emission tomography

Journal of Instrumentation

2013 | journal-article

Image analysis in radiology and nuclear medicine

3rd Portuguese Bioengineering Meeting, ENBENG 2013 - Book of Proceedings

2013 | conference-paper

Resistive plate chambers in positron emission tomography

European Physical Journal Plus

2013 | journal-article

3D automatic lung segmentation in low-dose CT

2012 IEEE 2nd Portuguese Meeting in Bioengineering, ENBENG 2012

2012 | conference-paper

A sinogram resolution modelling adapted to the geometry of the HRRT

IEEE Nuclear Science Symposium Conference Record

2012 | conference-paper

An Algorithm for the Pulmonary Border Extraction in PET Images

4th Conference of Enterprise Information Systems - Aligning Technology, Organizations and People (Centeris 2012)

2012 | book-chapter

An overview on the multiscale/multiframe reconstruction for Positron Emission Tomography

2012 IEEE 2nd Portuguese Meeting in Bioengineering, ENBENG 2012

2012 | conference-paper

Development of a Medical Image Database for Data Mining and Group Analysis Applications

4th Conference of Enterprise Information Systems - Aligning Technology, Organizations and People (Centeris 2012)

2012 | journal-article

Image-based data corrections for Positron Emission Mammography

IEEE Nuclear Science Symposium Conference Record

2012 | conference-paper

Motion correction in conventional nuclear medicine imaging

Lecture Notes in Computational Vision and Biomechanics

2012 | book

On lesion detectability by means of 300ps-FWHM TOF whole-body RPC-PET: An experiment-based simulation study

IEEE Nuclear Science Symposium Conference Record

2012 | conference-paper

RAISING THE BAR FOR CANCER THERAPY MODELS: NOVEL ORTHOTOPIC IMPLANTATION OF HUMAN COLORECTAL ADENOCARCINOMA

Annals of Oncology

2012 | journal-article

Scatter Correction for Positron Emission Mammography using an Estimation of Trues Method Approach

4th Conference of Enterprise Information Systems - Aligning Technology, Organizations and People (Centeris 2012)

2012 | journal-article

Spatial resolution of human RPC-PET system

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

2012 | journal-article

Thermolabile liposomes: A controlled release delivery tool in diagnosis/therapy in experimental pulmonary oedema

Current Radiopharmaceuticals

2012 | journal-article

Whole-body single-bed time-of-flight RPC-PET: Simulation of axial and planar sensitivities with NEMA and anthropomorphic phantoms

IEEE Transactions on Nuclear Science

2012 | journal-article

A direct time-of-flight reconstruction for whole-body single-bed RPC-PET: Results from lesion and anthropomorphic simulated data

IEEE Nuclear Science Symposium Conference Record

2011 | conference-paper

ClearPEM scanners: Performance results and studies in preclinical environment

IEEE Nuclear Science Symposium Conference Record

2011 | conference-paper

Improving the resolution of scintigraphic images with super-resolution: Development of a dedicated device

Technology and Medical Sciences - TMSi 2010

2011 | book-chapter

Towards detailed whole body group analysis in nuclear medicine

1st Portuguese Meeting in Biomedical Engineering, ENBENG 2011

2011 | conference-paper

A Method for 3D Motion Correction of Nuclear Medicine Planar Imaging Data

World Congress on Medical Physics and Biomedical Engineering, Vol 25, Pt 4: Image Processing, Biosignal Processing, Modelling and Simulation, Biomechanics

2010 | journal-article

Registration of Planar Scintigraphy Data onto Video Images Obtained at Different Perspectives

World Congress on Medical Physics and Biomedical Engineering, Vol 25, Pt 4: Image Processing, Biosignal Processing, Modelling and Simulation, Biomechanics

2010 | journal-article

A method for 3D motion correction of nuclear medicine planar imaging data

IFMBE Proceedings

2009 | conference-paper

An Overview of the Clear-PEM Breast Imaging Scanner

2008 Ieee Nuclear Science Symposium and Medical Imaging Conference (2008 Nss/mic), Vols 1-9

2009 | journal-article

Characterization of the clear-PEM breast imaging scanner performance

IEEE Nuclear Science Symposium Conference Record

2009 | conference-paper

Development of component-based normalization correction for the clear-PEM system

IEEE Nuclear Science Symposium Conference Record

2009 | conference-paper

Efficiency of RPC detectors for whole-body human TOF-PET

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

2009 | journal-article

Experimental Validation and Performance Analysis of the Clear-PEM Data Acquisition Electronics

2008 Ieee Nuclear Science Symposium and Medical Imaging Conference (2008 Nss/mic), Vols 1-9

2009 | journal-article

High-speed data acquisition electronics for a PEM scanner

2009 16th IEEE-NPSS Real Time Conference - Conference Record

2009 | conference-paper

Optimization of 2D image reconstruction for positron emission mammography using IDL

Computers in Biology and Medicine

2009 | journal-article

Registration of planar scintigraphy data onto video images obtained at different perspectives

IFMBE Proceedings

2009 | conference-paper

Whole-body single-bed time-of-flight RPC-PET: Simulation of axial and planar sensitivities with NEMA and anthropomorphic phantoms

IEEE Nuclear Science Symposium Conference Record

2009 | conference-paper

An overview of the clear-PEM breast imaging scanner

IEEE Nuclear Science Symposium Conference Record

2008 | conference-paper

Experimental validation and performance analysis of the clear-PEM data acquisition electronics

IEEE Nuclear Science Symposium Conference Record

2008 | conference-paper

Impact of positioning errors on an iterative super-resolution algorithm for SPECT

European Journal of Nuclear Medicine and Molecular Imaging

2008 | journal-article

Clear-PEM: A PET imaging system dedicated to breast cancer diagnostics

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

2007 | journal-article

RPC-PET: Status and perspectives

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

2007 | journal-article

Sensitivity assessment of wide Axial Field of View PET systems via Monte Carlo simulations of NEMA-like measurements

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

2007 | journal-article

Study of an iterative super-resolution algorithm and its feasibility in high-resolution animal imaging with low-resolution SPECT cameras

IEEE Nuclear Science Symposium Conference Record

2007 | conference-paper

Bayesian Image Reconstruction for the Clear-PEM scanner

2006 Ieee Nuclear Science Symposium Conference Record, Vol 1-6

2006 | journal-article

Bayesian image reconstruction for the clear-PEM Scanner

IEEE Nuclear Science Symposium Conference Record

2006 | conference-paper

Design and evaluation of the clear-PEM scanner for positron emission mammography

IEEE Transactions on Nuclear Science

2006 | journal-article

Evaluation of spatial resolution of planar detector PET systems: different strategies show different results

European Journal of Nuclear Medicine and Molecular Imaging

2006 | journal-article

RPC-PET: A new very high resolution PET technology

IEEE Transactions on Nuclear Science

2006 | journal-article

Spatial resolution on a small animal RPC-PET prototype operating under magnetic field

Nuclear Physics B - Proceedings Supplements

2006 | journal-article

Very high position resolution gamma imaging with resistive plate chambers

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

2006 | journal-article

Breast cancer imaging studies by Monte Carlo simulation with Clear-PEM

2005 IEEE Nuclear Science Symposium Conference Record, Vols 1-5

2005 | book-chapter

Breast cancer imaging studies by Monte Carlo simulation with clear-PEM

IEEE Nuclear Science Symposium Conference Record

2005 | conference-paper

Camera pose determination based on 4 coplanar points using tori parameters

Proceedings of the 5th IASTED International Conference on Visualization, Imaging, and Image Processing, VIIP 2005

2005 | conference-paper

Camera pose determination based on 4 coplanar points using tori parameters

Proceedings of the 5th IASTED International Conference on Visualization, Imaging, and Image Processing, VIIP 2005

2005 | journal-article

Clear-PEM: A dedicated pet camera for improved breast cancer detection

Radiation Protection Dosimetry

2005 | journal-article

First experimental results with the clear-PEM detector

2005 IEEE Nuclear Science Symposium Conference Record, Vols 1-5

2005 | book-chapter

First experimental results with the clear-PEM detector

IEEE Nuclear Science Symposium Conference Record

2005 | conference-paper

Parametric Quantification of Nigro-striatal Degeneration in Parkinson's Disease Patients with FP-CIT

European Journal of Nuclear Medicine and Molecular Imaging

2005 | journal-article

Reconstruction of Clear-PEM data with STIR

2005 IEEE Nuclear Science Symposium Conference Record, Vols 1-5

2005 | book-chapter

Reconstruction of clear-PEM data with STIR

IEEE Nuclear Science Symposium Conference Record

2005 | conference-paper

Breast imaging with a dedicated PEM

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

2004 | journal-article

Design and evaluation of the clear-PEM detector for positron emission mammography

2004 IEEE Nuclear Science Symposium Conference Record, Vols 1-7

2004 | book-chapter

Design and evaluation of the clear-PEM detector for positron emission mammography

IEEE Nuclear Science Symposium Conference Record

2004 | conference-paper

Design and evaluation of the clear-PEM detector for positron emission mammography

IEEE Nuclear Science Symposium Conference Record

2004 | journal-article

Design and evaluation of the clear-PEM detector for positron emission mammography

IEEE Nuclear Science Symposium Conference Record

2004 | journal-article

EM reconstruction algorithm with resolution modeling applied to an RPC-PET prototype

2004 IEEE Nuclear Science Symposium Conference Record, Vols 1-7

2004 | book-chapter

EM reconstruction algorithm with resolution modeling applied to an RPC-PET prototype

IEEE Nuclear Science Symposium Conference Record

2004 | conference-paper

EM reconstruction algorithm with resolution modeling applied to an RPC-PET prototype

IEEE Nuclear Science Symposium Conference Record

2004 | journal-article

EM reconstruction algorithm with resolution modeling applied to an RPC-PET prototype

IEEE Nuclear Science Symposium Conference Record

2004 | journal-article

RPC-PET: A new very high resolution PET technology

IEEE Nuclear Science Symposium Conference Record

2004 | conference-paper

RPC-PET: A new very high resolution PET technology

IEEE Nuclear Science Symposium Conference Record

2004 | journal-article

RPC-PET: A new very high resolution PET technology

IEEE Nuclear Science Symposium Conference Record

2004 | journal-article

RPC-PET: a new very high resolution PET technology

2004 IEEE Nuclear Science Symposium Conference Record, Vols 1-7

2004 | book-chapter

System matrix calculation for clear-PEM using ART and linograms

IEEE Nuclear Science Symposium Conference Record

2004 | conference-paper

System matrix calculation for clear-PEM using ART and linograms

IEEE Nuclear Science Symposium Conference Record

2004 | journal-article

System matrix calculation for clear-PEM using ART and linograms

IEEE Nuclear Science Symposium Conference Record

2004 | journal-article

Clear-PEM: Monte Carlo performance and image reconstruction studies

IEEE Nuclear Science Symposium Conference Record

2003 | conference-paper

Clear-PEM: Monte Carlo performance and image reconstruction studies

IEEE Nuclear Science Symposium Conference Record

2003 | journal-article

Clear-PEM: Monte Carlo performance and image reconstruction studies

IEEE Nuclear Science Symposium Conference Record

2003 | journal-article

A hybrid scatter correction for 3D PET based on an estimation of the distribution of unscattered coincidences: Implementation on the ECAT EXACT HR+

Physics in Medicine and Biology

2002 | journal-article

Optimization of injected dose based on noise equivalent count rates for 2- and 3-dimensional whole-body PET

Journal of Nuclear Medicine

2002 | journal-article

Optimization of injected dose based on noise equivalent count rates for 2- and 3-dimensional whole-body PET

Journal of Nuclear Medicine

2002 | journal-article

A comparison of normalization effects on three whole-body cylindrical 3D PET systems

Physics in Medicine and Biology

2000 | journal-article

A hybrid scatter correction for 3D PET based on an estimation of the distribution of unscattered coincidences: Implementation on the ECAT EXACT HR+

IEEE Nuclear Science Symposium and Medical Imaging Conference

2000 | conference-paper

A hybrid scatter correction for 3D PET based on an estimation of the distribution of unscattered coincidences: Implementation on the ECAT EXACT HR+

IEEE Nuclear Science Symposium and Medical Imaging Conference

2000 | journal-article

A hybrid scatter correction for 3D PET based on an estimation of the distribution of unscattered coincidences: Implementation on the ECAT EXACT HR+

IEEE Nuclear Science Symposium and Medical Imaging Conference

2000 | journal-article

Iterative crystal efficiency calculation in fully 3-D PET

IEEE Transactions on Medical Imaging

2000 | journal-article

Comparison of fluorine-18 and bromine-76 imaging in positron emission tomography

European Journal of Nuclear Medicine

1999 | journal-article

Influence of malfunctioning block detectors on the calculation of single detector efficiencies in PET

IEEE Transactions on Nuclear Science

1999 | journal-article

Radiolabelled liposomes in the evaluation of the exchangeable pulmonary water space

Proceedings of the Controlled Release Society

1999 | journal-article

Radiolabelled liposomes in the evaluation of the exchangeable pulmonary water space

Proceedings of the Controlled Release Society

1999 | journal-article

Radiolabelled liposomes in the evaluation of the exchangeable pulmonary water space

Proceedings of the Controlled Release Society

1999 | journal-article

Assessment of 3-D PET quantitation: influence of out of the field of view radioactive sources and of attenuating media

IEEE Transactions on Nuclear Science

1998 | journal-article

Assessment of 3-D PET quantitation: influence of out of the field of view radioactive sources and of attenuating media

IEEE Transactions on Nuclear Science

1998 | journal-article

Cardiac lymphatic dynamics after ischemia and reperfusion - Experimental model

Nuclear Medicine and Biology

1998 | journal-article

Assessment of the quantitation in 3D PET: Influence of out of the field of view radioactive sources

1996 Ieee Nuclear Science Symposium - Conference Record, Vols 1-3

1997 | book-chapter

Experimental cardiac lymphatic dynamics after ischemia and reperfusion

European Journal of Lymphology and Related Problems

1997 | journal-article

Experimental cardiac lymphatic dynamics after ischemia and reperfusion

European Journal of Lymphology and Related Problems

1997 | journal-article

Experimental cardiac lymphatic dynamics after ischemia and reperfusion

European Journal of Lymphology and Related Problems

1997 | journal-article

Assessment of the quantitation in 3D PET: Influence of out of the field of view radioactive sources

IEEE Nuclear Science Symposium & Medical Imaging Conference

1996 | conference-paper

Assessment of the quantitation in 3D PET: Influence of out of the field of view radioactive sources

IEEE Nuclear Science Symposium \& Medical Imaging Conference

1996 | journal-article

Assessment of the quantitation in 3D PET: Influence of out of the field of view radioactive sources

IEEE Nuclear Science Symposium \& Medical Imaging Conference

1996 | journal-article

Functional study of the pulmonary circulation by the motion of the center of gravity of a radioactive bolus | Etude d'une caracteristique fonctionnelle de la circulation pulmonaire par le mouvement du centre de gravite d'un embole radioactif

Medecine Nucleaire

1996 | journal-article

Functional study of the pulmonary circulation by the motion of the center of gravity of a radioactive bolus,Etude d'une caracteristique fonctionnelle de la circulation pulmonaire par le mouvement du centre de gravite d'un embole radioactif

Medecine Nucleaire

1996 | journal-article