Man

Cristian Andres Tejos Núñez

Professor

Pontificia Universidad Catolica de Chile

Santiago, Chile

Líneas de Investigación


Image processing Magnetic Resonance Imaging Medical Imaging Quantitative Susceptibility Mapping

Educación

  •  PhD, University of Cambridge. Reino Unido, 2007
  •  MSc Biomedical Engineering, Imperial College London. Reino Unido, 2001
  •  MSc Electrical Engineering, Pontificia Universidad Catolica de Chile. Chile, 2000
  •  Electrical Engineering, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 1998
  •  Electric Engineer, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2000

Experiencia Académica

  •   Assistant professor Full Time

    PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

    Engineering

    Santiago, Chile

    2005 - 2013

  •   Associate professor Full Time

    PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

    Engineering

    Santiago, Chile

    2013 - 2022

  •   Professor Full Time

    PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

    Engineering

    Santiago, Chile

    2022 - A la fecha

Experiencia Profesional

  •   Director Full Time

    Biomedical Imaging Center, Pontificia Universidad Catolica de Chile

    Santiago, Chile

    2013 - 2017

  •   Director Full Time

    Department of Electrical Engineering, Pontificia Universidad Catolica de Chile

    Santiago, Chile

    2014 - 2018

Formación de Capital Humano


Graduated

Carlos Sing-Long, BSc Electrical Engineering 2008

Cristóbal Arrieta, MSc Electrical Engineering 2010

Cristóbal Arrieta, PhD Electrical Engineering 2017

Carlos Milovic, PhD Electrical Engineering 2018

Pradyumna Sepúlveda, MSc Electrical Engineering 2015

Jaime Pereira, PhD in Neuroscience 2019

José Manuel Larraín, MSc Electrical Engineering, 2022

Mathias Lambert, MSc Electrical Engineering, 2022

Javier Silva, MSc Electrical Engineering, 2022

Sebastián Díaz, MSc Electrical Engineering, 2023

Current students

Marisleydis García, PhD Electrical Engineering

Manuel Chapa, PhD Electrical Engineering

Nestor Muñoz, PhD Electrical Engineering

Javier Silva, PhD Electrical Engineering

Javier Bisbal, PhD Electrical Engineering


Difusión y Transferencia


Publication of the book chapter

M. P. Fernandez, C. Tejos, G. Rojas, I. Lillo, A. Guesalaga, P. Irarrazaval.
3D Non-Destructive Evaluation Techniques for Wood Analysis. Research Developments in Wood Engineering and Technology. A. Aguilera, J. P. Davim, Eds., IGI Global. 247-280. 2013.
DOI:10.4018/978-1-4666-4554-7.ch007


Premios y Distinciones

  •   President of Chile Scholarship

    MINISTERIO DE PLANIFICACION Y COOPERACION

    Chile, 2001

    Scholarship of the Chilean government to read for PhD studies at University of Cambridge, UK


 

Article (96)

Liver PDFF estimation using a multi-decoder water-fat separation neural network with a reduced number of echoes
Quantitative Susceptibility Mapping MRI in Deep-Brain Nuclei in First-Episode Psychosis
Toward a realistic in silico abdominal phantom for QSM
DeepSPIO: Super Paramagnetic Iron Oxide Particle Quantification Using Deep Learning in Magnetic Resonance Imaging
Hybrid data fidelity term approach for quantitative susceptibility mapping
Phyllotaxis transition over the lifespan of a palm tree using Magnetic Resonance Imaging (MRI) and Terrestrial Laser Scanning (TLS): the case of Jubaea chilensis
Streaking artifact suppression of quantitative susceptibility mapping reconstructions via L1-norm data fidelity optimization (L1-QSM)
A Spatial Off-Resonance Correction in Spirals for Magnetic Resonance Fingerprinting
Comparison of parameter optimization methods for quantitative susceptibility mapping
Functional Dysconnectivity in Ventral Striatocortical Systems in 22q11.2 Deletion Syndrome
GOFOS, ground optical fog observation system for monitoring the vertical stratocumulus-fog cloud distribution in the coast of the Atacama Desert, Chile
Comparison of q-Space Reconstruction Methods for Undersampled Diffusion Spectrum Imaging Data
The 2016 QSM Challenge: Lessons learned and considerations for a future challenge design
Noise estimation for the velocity in MRI phase-contrast
Red Wine Grape Pomace Attenuates Atherosclerosis and Myocardial Damage and Increases Survival in Association with Improved Plasma Antioxidant Activity in a Murine Model of Lethal Ischemic Heart Disease
Weak-harmonic regularization for quantitative susceptibility mapping
A new discrete dipole kernel for quantitative susceptibility mapping
A robust multi-scale approach to quantitative susceptibility mapping
Fast nonlinear susceptibility inversion with variational regularization
Three-dimensional quantification of vorticity and helicity from 3D cine PC-MRI using finite-element interpolations
Quantification of pulmonary regurgitation in patients with repaired Tetralogy of Fallot by 2D phase-contrast MRI: Differences between the standard method of velocity averaging and a pixel-wise analysis
Simultaneous left and right ventricle segmentation using topology preserving level sets
Variability of 4D flow parameters when subjected to changes in MRI acquisition parameters using a realistic thoracic aortic phantom
3D Quantification of Wall Shear Stress and Oscillatory Shear Index Using a Finite-Element Method in 3D CINE PC-MRI Data of the Thoracic Aorta
3D Quantification of Wall Shear Stress and Oscillatory Shear Index Using a Finite-Element Method in 3D CINE PC-MRI Data of the Thoracic Aorta.
Accelerating dual cardiac phase images using undersampled radial phase encoding trajectories
Accelerating dual cardiac phase images using undersampled radial phase encoding trajectories.
Enhancing the Velocity data from 4D flow MR Images by Reducing its Divergence
Enhancing the Velocity data from 4D flow MR Images by Reducing its Divergence.
How feedback, motor imagery, and reward influence brain self-regulation using real-time fMRI
How feedback, motor imagery, and reward influence brain self-regulation using real-time fMRI.
Realistic aortic phantom to study hemodynamics using MRI and cardiac catheterization in normal and aortic coarctation conditions.
A subject-independent pattern-based Brain-Computer Interface
A subject-independent pattern-based Brain-Computer Interface
Intrahepatic portal vein blood volume estimated by non-contrast magnetic resonance imaging for the assessment of portal hypertension
Intrahepatic portal vein blood volume estimated by non-contrast magnetic resonance imaging for the assessment of portal hypertension
Quantification of wall shear stress using a finite-element method in multidimensional phase- contrast MR data of the thoracic aorta
Quantification of wall shear stress using a finite-element method in multidimensional phase-contrast MR data of the thoracic aorta
Sensitivity analysis of geometric errors in additive manufacturing medical models
Sensitivity analysis of geometric errors in additive manufacturing medical models
Total liver fat quantification using three-dimensional respiratory self-navigated MRI sequence.
Multiple Echo Multi-Shot (MEMS) Di?ffusion Sequence.
Multiple Echo Multi-Shot (MEMS) Diffusion Sequence.
Multiple Echo Multi-Shot Diffusion Sequence
Quantization Error in Magnetic Resonance Imaging
Quantization Error in Magnetic Resonance Imaging
Assessment of normal flow patterns in the pulmonary circulation by using 4D magnetic resonance velocity mapping
Assessment of normal flow patterns in the pulmonary circulation by using 4D magnetic resonance velocity mapping.
Calcium (Ca2+) waves data calibration and analysis using image processing techniques
Calcium (Ca2+) waves data calibration and analysis using image processing techniques
Caval Blood Flow Distribution in Patients with Fontan Circulation: Quanti?fication by Using Particle Traces from 4D Flow MR Imaging.
Caval Blood Flow Distribution in Patients with Fontan Circulation: Quantification by Using Particle Traces from 4D Flow MR Imaging
Embolization of Incompetent Pelvic Veins for the Treatment of Recurrent Varicose Veins in Lower Limbs and Pelvic Congestion Syndrome
Embolization of incompetent pelvic veins is feasible as treatment for recurrent varicose veins in lower limbs and pelvic congestion syndrome.
Hemodynamic Assessment in Patients with One-and-a-Half Ventricle Repair Revealed by Four-Dimensional Flow Magnetic Resonance Imaging
Hemodynamic Assessment in Patients with One-and-a-Half Ventricle Repair Revealed by Four-Dimensional Flow Magnetic Resonance Imaging.
An?álisis cuantitativo de variables hemodin?ámicas de la aorta obtenidas de 4D flow.
Application of the fractional Fourier transform to image reconstruction in MRI
Application of the Fractional Fourier Transform to Image Reconstruction in MRI.
Cardiovascular magnetic resonance ?findings in a pediatric population with isolated left ventricular Non-compaction.
Cardiovascular magnetic resonance findings in a pediatric population with isolated left ventricular non-compaction
Chemical species separation with simultaneous estimation of fi?eld map and T?2 using a k-space formulation.
Chemical species separation with simultaneous estimation of field map and T-2* using a k-space formulation
Medici?ón Volum?étrica de Grasa Visceral Abdominal con Resonancia Magn?ética y su Relaci?ón con Antropometrí?a, en una Poblaci?ón Diab?ética.
Medicio ?n Volum ?etrica de Grasa Visceral Abdominal con Resonancia Magn ?etica y su Relaci ?on con Antropometr ??a, en una Poblaci ?on Diab ?etica.
Medición de presiones relativas en aorta torácica y arteria pulmonar de voluntarios sanos y pacientes con Tetralogía de Fallot reparada utilizando la secuencia 4D Flow de resonancia magnética cardiaca
Quantification of visceral adipose tissue using magnetic resonance imaging compared with anthropometry, in type 2 diabetic patients
Quantification of visceral adipose tissue using magnetic resonance imaging compared with anthropometry, in type 2 diabetic patients
Quantitative assessments of geometric errors for rapid prototyping in medical applications
Quantitative assessments of geometric errors for rapid prototyping in medical applications
Quantitative description of the morphology and ossifi?cation center in the axial skeleton of 20 week-gestation formalin-?fixed human fetuses using magnetic resonance images
Quantitative description of the morphology and ossification center in the axial skeleton of 20-week gestation formalin-fixed human fetuses using magnetic resonance images
4D FLOW: Una nueva herramienta de diagn?óstico para cardiopatí?as cong?énitas
Congenital heart disease in children: coronary MR angiography during systole and diastole with dual cardiac phase whole-heart imaging
Congenital Heart Disease in Children: Coronary MR Angiography during Systole and Diastole with Dual Cardiac Phase Whole-Heart Imaging
Medici?ón volum?étrica de grasa visceral abdominal con RM y su relaci?ón con elastografí?a hep?ática en una poblaci?ón diab?ética
New respiratory gating technique for whole heart cine imaging: Integration of a navigator slice in SSFP sequences
New Respiratory Gating Technique for Whole Heart Cine Imaging: Integration of a Navigator Slice in Steady State Free Precession Sequences
The fractional Fourier transform and quadratic field magnetic resonance imaging
The fractional Fourier transform and quadratic-?field Magnetic Resonance Imaging
TRIO a Technique for Reconstruction using Intensity Order: application to undersampled MRI
TRIO a Technique for Reconstruction Using Intensity Order: Application to Undersampled MRI
Using magnetic resonance phase-contrast velocity mapping for diagnosing pelvic congestion syndrome
Using MR phase contrast velocity mapping for diagnosing of pelvic congestion syndrome
Enhancement of visual perception through Dynamic Cues
Enhancement of Visual Perception with Use of Dynamic Cues
Reducci?ón de los tiempos de adquisici?ón de imágenes por resonancia magn?ética utilizando t?écnicas de compressed sensing
Simplex Mesh Di?fusion Snakes: Integrating 2D and 3D Deformable Models and Statistical Shape Knowledge in a Variational Framework
Simplex Mesh Diffusion Snakes: Integrating 2D and 3D Deformable Models and Statistical Shape Knowledge in a Variational Framework
Utilizaci?ón de la resonancia magn?ética con contraste de fase para el diagn?ostico del s?índrome de congesti?ón pelviana
Noise in magnitude magnetic resonance images
Noise in Magnitude Magnetic Resonance Images
Eff?ects of, and Corrections for, Cross-Term Interactions in Q-space MRI
Effects of, and Corrections for, Cross-Term Interactions in Q-space MRI
Multiscale gradient domain compression for astronomical high dynamic range imaging
 High prevalence of undiagnosed liver cirrhosis and advanced fibrosis in type 2 diabetic patients.

Abstract (1)

Leptin and adiponectin have opposite effect on ciliary activity, calcium wave velocity and ovum transport velocity in the rat oviduct

BookSection (1)

3D Non-Destructive Evaluation Techniques for Wood Analysis

ConferencePaper (4)

Algebraic Reconstruction of Source and Attenuation in SPECT Using First Scattering Measurements
Velocity variability in MRI phase-contrast
Level set segmentation with shape prior knowledge using intrinsic rotation, translation and scaling alignment
Sonification of medical images based on statistical descriptors

Errata (1)

Embolization of Incompetent Pelvic Veins for the Treatment of Recurrent Varicose Veins in Lower Limbs and Pelvic Congestion Syndrome (vol 36, pg 128, 2013)

Proyecto (21)

Improving Quantitative Susceptibility Mapping reconstruction methods based on MRI ac- quisitions
Anillo=> Magnetic resonance imaging technology for aging related diseases=> brain, heart and vessels
NON-INVASIVE 3D FULL-FIELD QUANTIFICATION OF CARDIOVASCULAR 4D FLOW MR IMAGES
Simultaneous fMRI and EEG=> Implementation for the study of neural function using Brain Computer Interfaces
Topologically flexible prior shape knowledge for Level Set segmentations
I concurso de equipamiento cient???co tecnol?ogico mediano=> Equipamiento para adquisición simultánea fMRI - EEG
Latin American MR e-learning Platform
Red internacional de investigaci?ón en resonancia magn?ética
Quantitative imaging biomarkers using cardiovascular magnetic resonance images
Sparse reconstruction for MR cardiovascular applications
ANILLO=> Biomedical Imaging in obesity=> from cellular mechanisms to clinical applications
Equipamiento Mayor
Evaluation and improvement of the geometric accuracy of rapid prototyping
Desarrollo de modelos anat?omicos mediante prototipado r?apido para optimizaci?on de cirug??as complejas y para apoyo en docencia en anatom??a
Pilot Grant in General Aspects of Magnetic Resonance in Medicine
Pilot Grant in General Aspects of Magnetic Resonance in Medicine=> Evaluation of Stereotactic Radiosurgery using MRI
Acquisition of Medical Images Driven by Visual Perception Parameters
Desarrollo de capacidades de programaci?on de secuencias para resonancia magn?etica empleando programaci?on orientada a aspectos
Red de apoyo al desarrollo de colaboraci?ón internacional para la investigaci?ón de excelencia
Integraci?ón de Segmentación y Registro de Im?ágenes de Resonancia Magn?ética Mediante el uso de Contornos Activos
Modelos Predictivos para el pron?óstico de enfermedades y su aplicaci?ón mediante red de sensores meteorol?ógicos modulares
67
Cristian Tejos

Professor

Department of Electrical Engineering

Pontificia Universidad Catolica de Chile

Santiago, Chile

51
Pablo Irarrazaval

Professor

Electrical Engineering

Pontificia Universidad Católica de Chile

Santiago, Chile

34
Sergio Uribe

Associated professor

Radiology

PONTIFICIA UNIVERSIDAD CATÓLICA

Santiago, Chile

20
Marcelo Andia

Associate Professor

Radiology

Pontificia Universidad Catolica de Chile

Santiago, Chile

12
Carlos Milovic

Profesor Asociado

Escuela de Ingenieria Electrica

Pontificia Universidad Católica de Valparaíso

Valparaiso, Chile

6
Julio Sotelo

Académico

Departamento de Infomática

Universidad Técnica Federico Santa María

Santiago, Chile

4
MARCO ARRESE

FULL PROFESSOR

GASTROENTEROLOGY

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

4
Carlos Lizama

Full Professor

Matematica y Ciencia de la Computación

UNIVERSIDAD DE SANTIAGO DE CHILE

Santiago, Chile

4
Vicente Parot

Profesor Asistente

Instituto de Ingeniería Biológica y Médica

Pontificia Universidad Católica de Chile

Santiago, Chile

4
JUAN URBINA

Médico - Radiólogo

Radiología

Complejo Asistencial Dr Sótero del Río

Santiago, Chile

3
Claudia Prieto

Associate Professor

Electrical Engineering

Pontificia Universidad Catolica de Chile

Santiago, Chile

2
Ranganatha Sitaram

Associate Professor and Director of Laboratory of Brain-Machine Interfaces and Neuromodulation

Institute for Biological and Medical Engineering, and Department of Psychiatry

Pontificia Universidad Católica de Chile

Santiago, Chile

2
sergio ruiz

Co-Director

Psychiatry

Laboratory for Brain-Machine Interfaces and Neuromodulation

santiago, Chile

2
Steren Chabert

Profesor Titular

Biomedical Engineering

Universidad de Valparaiso

Valparaiso, Chile

2
Rodrigo Cadiz

Professor

Electrical Engineering

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Chile, Chile

2
Alex Vargas

Profesor Asociado

Cirugia Oncologica y Maxilofacial

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

2
Jorge Ramos

Associate Professor

Mechanical and Metallurgical Engineering

PONTIFICIA UNIVERSIDAD CATOLICA

Santiago, Chile

2
Daniel Hurtado

Associate Professor

Structural and Geotechnical Engineering

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE, DEPTO. INGENIERIA ESTRUCTURAL Y GEOTECNICA

Santiago, Chile

1
Ali Dehghanfirouzabadi

Profesor asociado

Departamento de Electricidad

Universidad Tecnológica Metropolitana (UTEM)

SANTIAGO, Chile

1
Carlos Sing-Long

Assistant Professor

Instituto de Ingeniería Matemática y Computacional

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Attilio Rigotti

Full Professor

Nutrition, Diabetes and Metabolism

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE - ESCUELA DE MEDICINA - DEPTO DE GASTROENTEROLOGÍA

Santiago, Chile

1
Gonzalo Martínez

Director

División de Enfermedades Cardiovasculares

Hospital Clínico Universidad Católica

Santiago, Chile

1
Leticia Gonzalez

Profesional Apoyo a la Investigacion

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Guadalupe Echeverría

Manager

Center for Molecular Nutrition and Chronic Diseases

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Juan Arab

Assistant Professor

Gastroenterologia

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Manuel Villalobos

Profesor asistente

Ingeniería Informática

Universidad de Santiago de Chile

santiago, Chile

1
Joaquín Mura

Profesor

Ingeniería Mecánica

Universidad Técnica Federico Santa María

Santiago, Chile

1
Francisco Barrera

Profesor Asociado

Gastroenterología

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Francisca Salas

Asistant Professor

Instituto de Ciencias de la Salud

Universidad de O'Higgins

Rancagua, Chile

1
Patricio De La Cuadra

Profesor Asociado

Artes

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

1
Francisco Zamorano

Profesor Asociado

Actividad Física y Salud

Universidad San Sebastián

Santiago, Chile

1
Axel Osses

Profesor Titular

Departamento de Ingeniería Matemática

Universidad de Chile

Santiago, Chile

1
Francisco Aboitiz

Profesor

Psychiatry

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

santiago, Chile

1
Katherine Rivera

PhD (c) student in Medical Science

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Juan Undurraga

Psychiatrist

Neurología y Psiquiatría

Facultad de Medicina Clínica Alemana Universidad del Desarrollo

Santiago, Chile

1
Rene Botnar

Full Professor

Institute for Biological and Medical Engineering

Pontificia Universidad Católica de Chile

Santiago de Chile, Chile

1
Patricia Diaz

Academic

University of Connecticut Health Center

Farmington, CT, Estados Unidos

1
Maria Repetto

Profesor Titular

Center for Genetics and Genomics

FACULTAD DE MEDICINA CLINICA ALEMANA-UNIVERSIDAD DEL DESARROLLO

Santiago, Chile

1
Ronal Coronado

researcher

Electrical Engineering

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Camilo del Río

Profesor Asociado

Geografía física

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Samuel Contreras

Profesor Asociado

Ciencias Vegetales

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

1
María Fernández

Associate Professor

Department of Ecosystems and Environment

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

1
Alejandro Jara

Associate Professor

Statistics

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

1
Sebastian San Martin

Profesor Titular

Anatomía

UNIVERSIDAD DE VALPARAISO

Valparaiso, Chile

1
Rodrigo Salas

Profesor Titular Jornada Completa

UNIVERSIDAD DE VALPARAÍSO

Valparaíso, Chile

1
Cecilia Besa

Associate Professor

Radiology

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Juan García

Profesor Asociado

Departamento de Geografía Física

INSTITUTO DE GEOGRAFIA

Santiago, Chile

1
José Alcalde

Profesor Asociado

Pontificia Universidad Católica de Chile

Santiago, Chile