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Cesar Astudillo

Assistant Professor

Universidad de Talca

Curico, Chile

Machine Learning, Pattern Recognition, Data Science, Statistical Analysis.

B.Sc. Engineering Sciences, Universidad de Concepción. Chile, 2002
Ph.D. in Computer Science, Carleton University. Chile, 2011
Computer Engineering, Universidad de Concepción. Chile, 2002

Assistant Professor Full Time

Universidad de Talca

Faculty of Engineering

Curicó, Chile

2003 - A la fecha
Research Assistant Full Time

Carleton University

Faculty of Science

Ottawa, Canada

2006 - 2010
Lecturer Part Time

CARLETON UNIVERSITY

Faculty of Science

Ottawa, Canada

2007 - 2008

Assistant Professor Full Time

Universidad de Talca

Curicó, Chile

2003 - A la fecha
Research Assistant Part Time

Carleton University

Ottawa, Canada

2006 - 2010
Instructor Part Time

Carleton University

Ottawa, Canada

2007 - 2008

Former Master's Students

Jorge Poblete, Magister Gestion de Operaciones (MGO), Universidad de Talca
Hernan Nuñez, Magister Gestion de Operaciones (MGO), Universidad de Talca
Jimmy Gutierrez, Magister Gestion de Operaciones (MGO), Universidad de Talca
Eduardo Zapata, Magister Gestion de Operaciones (MGO), Universidad de Talca

Former Undergraduate Students

Camila Gonzalez, Ingenieria Civil Industrial (ICC), Universidad de Talca
Diego Aldana, Ingenieria Civil en Computacion (ICC), Universidad de Talca
Sebastian Farias, Ingenieria Civil en Computacion (ICC), Universidad de Talca
Victor Ayala, Ingenieria Civil en Computacion (ICC), Universidad de Talca
Javier Aros, Ingenieria Civil en Computacion (ICC), Universidad de Talca
Javier Gonzalez, Ingenieria Civil en Computacion (ICC), Universidad de Talca
Marianela Iturriaga, Ingenieria Civil en Computacion (ICC), Universidad de Talca
Gonzalo Maldonado, Ingenieria Civil en Computacion (ICC), Universidad de Talca
Carolina Fuentes, Ingenieria Civil en Computacion (ICC), Universidad de Talca
Alexis Villalobos, Ingenieria Civil en Computacion (ICC), Universidad de Talca
Liliana Barros, Ingenieria Civil en Computacion (ICC), Universidad de Talca
Franzel Madariaga, Ingenieria Civil en Computacion (ICC), Universidad de Talca
Hector Rojas, Ingenieria Civil en Computacion (ICC), Universidad de Talca
Mario Sanhueza, Ingenieria Civil en Computacion (ICC), Universidad de Talca

Best Paper Award

MONASH UNIVERSITY

Australia, 2009

Best Paper Award, 22nd Australian Joint Conference on Artificial Intelligence (AI09), Australia, 2009
Awarded departmental scholarship

CARLETON UNIVERSITY

Canada, 2006

Awarded departmental scholarship, Carleton University, Canada 2006-2009.
Awarded Exchange Internship

UNIVERSIDAD AUTONOMA DE NUEVA LEON

México, 2001

Awarded Exchange Internship, Universidad Autónoma de Nuevo León, Mexico, 2001.


Ensemble Approach Using k-Partitioned Isolation Forests for the Detection of Stock Market Manipulation Diaz, David Article ISI MATHEMATICS (2024)
Enhancing Schizophrenia Prediction Using Class Balancing and SHAP Explainability Techniques on EEG Data Arias, Javiera T.; IEEE Article ISI 2023 IEEE 13TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION SYSTEMS, ICPRS (2023)
Evolution of physico-chemical parameters, microorganism diversity and volatile organic compound of apple pomace exposed to ambient conditions Astudillo, C. A. Article ISI HELIYON (2023)
ML models for severity classification and length-of-stay forecasting in emergency units Moya-Carvajal, Jonathan; Taramasco, Carla Article ISI EXPERT SYSTEMS WITH APPLICATIONS (2023)
PFA-Nipals: An Unsupervised Principal Feature Selection Based on Nonlinear Estimation by Iterative Partial Least Squares Alsina, Marco A. Article ISI MATHEMATICS (2023)
Semi-supervised learning for MALDI-TOF mass spectrometry data classification: an application in the salmon industry Article ISI NEURAL COMPUTING & APPLICATIONS (2023)
A Novel Strategy to Classify Chronic Patients at Risk: A Hybrid Machine Learning Approach Delafuente, Hugo Nunez Article ISI MATHEMATICS (2022)
Challenges for a Massive Implementation of Phenomics in Plant Breeding Programs Lobos, Gustavo A. Article SCOPUS Methods in molecular biology (Clifton, N.J.) (2022)
Optimizing the search directions of a mixed DDM applied on cracks Fuenzalida-Henriquez, Ignacio; Hinojosa, Jorge; Pena, Larry Article ISI OPTIMIZATION AND ENGINEERING (2022)
Patients' Prioritization on Surgical Waiting Lists: A Decision Support System Ledezma, Jose G. Article ISI MATHEMATICS (2021)
Semi-supervised learning for MS MALDI-TOF data IEEE Article ISI 2021 IEEE LATIN AMERICAN CONFERENCE ON COMPUTATIONAL INTELLIGENCE (LA-CCI) (2021)
Towards an Integrated Maturity Model of System and E-Business Applications in an Emerging Economy Alejandro Cataldo; Luis González-Martínez; Robert McQueen Article ISI SCIELO SCOPUS JOURNAL OF THEORETICAL AND APPLIED ELECTRONIC COMMERCE RESEARCH (2020)
Data for resistance and inductance estimation within a voltage source inverter Aldana, Diego; Bellinger, Colin; Rivera, Marco Article WOS-ESCI SCOPUS Data in Brief (2019)
Algorithms for the Minmax Regret Path problem with interval data Bardeen, Matthew Article ISI SCOPUS INFORMATION SCIENCES (2018)
CHARACTERIZING THE EVOLUTION OF SEDIMENT-LIKE WASTES EXPOSED TO AMBIENT CONDITIONS IN OPEN RESERVOIRS Article ISI REVISTA INTERNACIONAL DE CONTAMINACION AMBIENTAL (2018)
Evolution of physical-chemical parameters, microbial diversity and VOC emissions of olive oil mill waste exposed to ambient conditions in open reservoirs Astudillo, C.A.; Fernández-Palacios, E.; Cataldo, F.; Tenreiro, C Article ISI SCOPUS Waste Management (2018)
Assessing Wheat Traits by Spectral Reflectance: Do We Really Need to Focus on Predicted Trait-Values or Directly Identify the Elite Genotypes Group? Romero-Bravo, Sebasti?n; Estrada, F?lix; Matus, Iv?n A. Article ISI SCOPUS FRONTIERS IN PLANT SCIENCE (2017)
Predicting the stability of human lysozyme mutants using the tree-based classifier TTOSOM Maldonado, Gonzalo; Astudillo, C?sar A. Article ISI SCOPUS CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS (2017)
Evaluating different families of prediction methods for estimating software project outcomes Cerpa, N; Bardeen M.; Verner J. Article ISI SCOPUS JOURNAL OF SYSTEMS AND SOFTWARE (2016)
The multiple team formation problem using sociometry Astudillo, C.A.; Mora-Melià D. Article ISI SCOPUS COMPUTERS & OPERATIONS RESEARCH (2016)
Pattern Recognition Using The TTOCONROT César A. Astudillo and B. John Oommen. Article LNCS (2015)
Editorial: Data Mining in Electronic Commerce - Support vs. Confidence Astudillo, César; Bardeen, Matthew; Cerpa, Narciso. Article SCIELO JOURNAL OF THEORETICAL AND APPLIED ELECTRONIC COMMERCE RESEARCH (2014)
Fast BMU search in SOMs using random hyperplane trees Astudillo C.E.; John Oommen B. Article SCOPUS MOBILE WEB AND INTELLIGENT INFORMATION SYSTEMS, MOBIWIS 2022 (2014)
Self-organizing maps whose topologies can be learned with adaptive binary search trees using conditional rotations Oommen, BJ Article ISI SCOPUS PATTERN RECOGNITION (2014)
Topology-oriented self-organizing maps: a survey Astudillo, César A.; Oommen, B. John. Article ISI SCOPUS PATTERN ANALYSIS AND APPLICATIONS (2014)
On achieving semi-supervised pattern recognition by utilizing tree-based SOMs Oommen, BJ Article ISI SCOPUS PATTERN RECOGNITION (2013)
Imposing tree-based topologies onto self organizing maps Oommen, BJ Article ISI SCOPUS INFORMATION SCIENCES (2011)
Semi-supervised classification using tree-based self-organizing maps César Astudillo; B. John Oommen Article LNCS (2011)
A novel self organizing map which utilizes imposed tree-based topologies Astudillo, C.A.; Oommen J.B. Article SCOPUS Advances in Intelligent and Soft Computing (2009)
On using adaptive Binary Search Trees to enhance self organizing maps César Astudillo; B. John Oommen Article LNCS (2009)


Predicting air quality using deep learning in Talca city, Chile Zapata-GonzÃ¡lez E. ConferencePaper SCOPUS IET Conference Publications (2019)
Pattern Recognition using the TTOCONROT Oommen, BJ ConferencePaper ISI SCOPUS Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (2015)
Metric Space Searching Based on Random Bisectors and Binary Fingerprints Andrade, JM; Paredes, R. ConferencePaper ISI SCOPUS MOBILE WEB AND INTELLIGENT INFORMATION SYSTEMS, MOBIWIS 2022 (2014)
Semi-supervised classification using tree-based self-organizing maps Astudillo, C.A. ConferencePaper MOBILE WEB AND INTELLIGENT INFORMATION SYSTEMS, MOBIWIS 2022 (2011)
Using semantic similarity to predict angle and distance of objects in images Somers S.; GagnÃ© J.; Astudillo, C.; Davies, J ConferencePaper SCOPUS C and C 2011 - Proceedings of the 8th ACM Conference on Creativity and Cognition (2011)
On using adaptive Binary Search Trees to enhance self organizing maps Astudillo, C.A. ConferencePaper MOBILE WEB AND INTELLIGENT INFORMATION SYSTEMS, MOBIWIS 2022 (2009)
A Novel Self Organizing Map Which Utilizes Imposed Tree-based Topologies. Astudillo, César A.; Oommen, B. John. ConferencePaper


Concept Drift Detection Using Online Bayesian Classifier. Astudillo, César A.; Gonzalez, Javier I. ConferenceProceedingWhole (2013)
Using semantic similarity to predict angle and distance of objects in images. Somers, Sterling.; Gagné, Jonathan.; Astudillo, César A.; Davies, Jim. ConferenceProceedingWhole


On the data to know the prioritization and vulnerability of patients on surgical waiting lists Silva-Aravena F.; Ledezma J.G. Generic ISI SCOPUS Data in Brief (2020)


Sistema , dispositivo y método para la obtención de parámetros biométricos de un individuo mediante un dispositivo con sensores. LUIS EDUARDO GONZÁLEZ MARTÍNEZ; JORGE EDUARDO AYALA AVILÉS Patent (2024)
Dispositivos de deteccion, medicion o registro para probar la forma, patron, color, tamaño o movimiento del cuerpo o una parte para un diagnostico; con dispositivos y metodos sensores que pueden estimar el riesgo de caida; especificamente proporciona un sistema para la deteccion de problemas posturales y la perdida de equilibrio. ALEX EDUARDO SOTO POBLETE; MARIO ALBERTO FERNANDEZ FERNANDEZ; VALESKA FABIOLA GATICA ROJAS; NATALIA AUDORIZA IBARRA CORTES; DARIAN ROBINSON MARTINEZ DIAZ; MARCO ANTONIO GONZALEZ NÚÑEZ Patent A61B5/00, A61B5/103, A61B5/11 (2022)


Transferencia Reducción de emisiones atmosféricas de MiPymes en zonas Saturadas Proyecto (2020)
Desarrollo de una Plataforma de Fenotipeo que permita bajar costos y acelerar la liberación de cultivares en los programas de mejoramiento genético FONDEF (14I20106) Proyecto 2018-2019 Investigador(a)
Desarrollo de una Plataforma de Fenotipeo que permita bajar costos y acelerar la liberación de cultivares en los programas de mejoramiento genético A. Lobos, Gustavo Proyecto (2018)
Tree-Based Pattern Recognition FONDECYT (11121350) Proyecto 2012-2015 Inv. Principal
Tree-Based Pattern Recognition Proyecto (2012)
Becas Chile Astudillo, César A. Proyecto (0)


Traffic Sign Detection and Recognition Using YOLO Object Detection Algorithm: A Systematic Review Guevara, Diego; Maza, Jessica; Lita, Bryan S.; Defaz, Bryan; Ante, Juan S.; Armingol Moreno, Jose Maria Review ISI MATHEMATICS (2024)

Alejandro del Pozo

Full Porfessor

Plant Production

UNIVERSIDAD DE TALCA

Talca, Chile

IVAN MATUS

Senior researcher

Crop Science

INIA

Chillán, Chile

Matthew Bardeen

Profesor Conferenciente

Dept. Ciecias de Computación

UNIVERSIDAD DE TALCA

Curico, Chile

Gustavo Lobos

Associate Professor

Horticulture

FACULTDAD DE CIENCIAS AGRARIAS, UNIVERSIDAD DE TALCA

Talca, Chile

Alejandro Cataldo

Profesor asistente

Facultad de economía y negocios

Universidad de Talca

Talca, Chile

Sebastián Maldonado

Profesor Titular

Departamento Control de Gestión y Sistemas de Información

Universidad de Chile

Santiago, Chile

Cesar Astudillo

Assistant Professor

Deptartment of Computer Science

Universidad de Talca

Curico, Chile

Julio Caballero

Full Professor

Departamento de Bioinformática

Universidad de Talca

Talca, Chile

Carla Taramasco

Full professor

Universidad Andrés Bello

Viña del Mar, Chile

Miguel Garriga

Assistant Professor

Plant Production

Universidad de Concepción

Chillán, Chile

Eduardo Álvarez-Miranda

Profesor Titular

Departamento de Ingeniería Industrial

Universidad de Talca

Talca, Chile

Jimmy Gutiérrez

Profesor

Ciencias de la Computación

Universidad de Talca

Curico, Chile

Diógenes Hernández

Conferenciante

Instituto de química de recursos naturales

Universidad de Talca

Curico, Chile

Marco Rivera

Full Professor

Electrical Engineering

UNIVERSIDAD DE TALCA

Curicó, Chile

Claudio Tenreiro

Decano

Departamento de Tecnologías Industriales

Universidad de Talca

Talca, Chile

Fernando Cataldo

Profesor

Universidad de Talca

Curicó, Chile

Yamisleydi Salgueiro

ACADÉMICA

CIENCIAS DE LA COMPUTACIÓN

UNIVERSIDAD DE TALCA

Curicó, Chile

Sebastián Romero

Académico

Ciencias agrarias

Universidad Católica del Maule

Curicó, Chile

Ignacio Fuenzalida

PROFESOR CONFERENCIANTE

INGENIERIA Y GESTION DE LA CONSTRUCCION

UNIVERSIDAD DE TALCA

CURICO, Chile

David Zabala

ACADEMICO

COMPUTACION E INDUSTRIAS

Universidad Católica del Maule

Talca, Chile

Daniel Mora

Profesor Asociado

Departamento de Ingeniería y Gestión de la Construcción

Universidad de Talca

Curicó, Chile

Gonzalo Maldonado

Service Delivery Manager

Equifax

Dublin, Irlanda

Jonathan Moya

Gestor Tecnológico de proyectos de I+D+i

Parque tecnológico

Universidad Católica del Maule

Talca, Chile

Félix Estrada

Investigador encargado del Programa de Mejoramiento Genético

Instituto de Investigaciones Agropecuarias

Rancagua, Chile

Francisco Pérez

Profesor de Educación Profesional

Departamento de Ciencias de la Computación

Pontificia Universidad Católica de Chile

Santiago, Chile

Javiera Arias

Phd Student

ingeniería

Universidad de Talca

Curico, Chile

Cesar Astudillo

Líneas de Investigación

Educación

B.Sc. Engineering Sciences, Universidad de Concepción. Chile, 2002

Ph.D. in Computer Science, Carleton University. Chile, 2011

Computer Engineering, Universidad de Concepción. Chile, 2002

Experiencia Académica

Assistant Professor Full Time

Research Assistant Full Time

Lecturer Part Time

Experiencia Profesional

Assistant Professor Full Time

Research Assistant Part Time

Instructor Part Time

Formación de Capital Humano

Premios y Distinciones

Best Paper Award

Awarded departmental scholarship

Awarded Exchange Internship

Article (30)

ConferencePaper (7)

ConferenceProceedingWhole (2)

Generic (1)

Patent (2)

Proyecto (6)

Desarrollo de una Plataforma de Fenotipeo que permita bajar costos y acelerar la liberación de cultivares en los programas de mejoramiento genético

Tree-Based Pattern Recognition

Review (1)