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Alvaro Marcelo Soto Arriaza

Associate Professor

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

Artificial Intelligence; Machine Learning; Cognitive Robotics

Master in Computer Science, LOUISIANA STATE UNIVERSITY. Estados Unidos, 1996
Ingeniero Civil de Industrias, Mención Eléctrica, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 1993
Licenciado en Ciencias de la Ingeniería, UNIVERSIDAD DE CHILE. Chile, 1992
Ph.D. in Computer Science, CARNEGIE MELLON UNIVERSITY. Estados Unidos, 2002

Associate Professor Full Time

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Engineering

Santiago, Chile

2002 - A la fecha

Profesor Asociado Full Time

Pontificia Universidad Católica de Chile

Santiago, Chile

2002 - A la fecha
Ingeniero de Investigación Part Time

Dictuc S.A.

Santiago, Chile

1994 - Sin Información

In terms of human capital training, currently our research group on artificial intelligence has more than 50 people among professors, postdoc, and graduate students.
Please see our website http://ialab.ing.puc.cl/

In terms of research, we pay a special effort to face AI from a multidisciplinary perspective by applying machine learning techniques to different application areas. In particular, we face research challenges to develop and scale new machine learning techniques to the case of large data problems in fields such as: bioinformatics [1], astronomy [2], food quality evaluation [3], and computer vision [4]. We strongly believe that besides scaling machine learning techniques to big data scenarios it is also highly relevant to establish a close connection to the application areas.
Our main spin-off: https://www.zippedi.com/

Graduate Fellowship

CARNEGIE MELLON UNIVERSITY

Estados Unidos, 2002

Graduate Fellowship, Robotics Institute, School of Computer Science
Graduate Tuition Award

LOUISIANA STATE UNIVERSITY

Chile, 1996

Graduate Tuition Award, Department of Electrical and Computer Engineering
Premio Nacional Avonni a la Innovación en la categoría Servicios Digitales Entel 2018

DIARIO EL MERCURIO

Chile, 2018

El Premio de Innovación Avonni es el reconocimiento honorífico más importante de Chile, que busca visibilizar los casos de éxito que están creando valor mediante la innovación en distintos rubros y categorías. Este premio fue otorgado a la empresa Zippedi, co-fundada y liderada por el profesor del Departamento de Ciencias de la Computación, Álvaro Soto. Este importante reconocimiento fue logrado por la creación del primer robot chileno con inteligencia artificial que entrega servicios a la industria del retail, siendo capaz de monitorear errores en los rótulos de los precios y detectar productos mal ubicados en las góndolas de supermercados.


APEX: affordance-based plan executor for indoor robotic navigation Article ISI SCOPUS Advanced Robotics (2024)
Learning Sentence-Level Representations with Predictive Coding Article ISI SCOPUS Machine Learning and Knowledge Extraction (2023)
PIVOT: Prompting for Video Continual Learning Alcazar, Juan Leon; Alfarra, Motasem; Alhamoud, Kumail; Heilbron, Fabian Caba; Ghanem, Bernard; IEEE Article ISI SCOPUS Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition (2023)
A Survey on Deep Learning and Explainability for Automatic Report Generation from Medical Images Parra, Denis; Besa, Cecilia; Uribe, Sergio; Andía, Marcelo; Tejos, Cristian; Prieto, Claudia Article ISI ACM COMPUTING SURVEYS (2022)
Overcoming Catastrophic Forgetting Using Sparse Coding and Meta Learning Article ISI IEEE ACCESS (2021)
Automatic document screening of medical literature using word and text embeddings in an active learning setting Carvallo, Andres; Parra, Denis Article ISI SCIENTOMETRICS (2020)
CompactNets: Compact Hierarchical Compositional Networks for Visual Recognition Lobel, H Article ISI SCOPUS COMPUTER VISION AND IMAGE UNDERSTANDING (2020)
Explaining VQA predictions using visual grounding and a knowledge base Goyeneche, Alfredo De; Zhang, Yundong; Niebles, Juan Carlos Article Image and Vision Computing (2020)
GENE: Graph generation conditioned on named entities for polarity and controversy detection in social media Mendoza, Marcelo; Parra, Denis Article ISI INFORMATION PROCESSING & MANAGEMENT (2020)
Content-based artwork recommendation: integrating painting metadata with neural and manually-engineered visual features Article ISI USER MODELING AND USER-ADAPTED INTERACTION (2019)
Mixture of Experts with Entropic Regularization for Data Classification Peralta, Billy; Saavedra, Ariel; Soto, Alvaro. Article ISI SCOPUS ENTROPY (2019)
A proposal for supervised clustering with Dirichlet Process using labels Peralta, B; Caro, A; Soto, A Article ISI SCOPUS PATTERN RECOGNITION LETTERS (2016)
Learning Shared, Discriminative, and Compact Representations for Visual Recognition Lobel, H; Vidal, R; Soto, A Article ISI SCOPUS IEEE Transactions on Pattern Analysis and Machine Intelligence (2015)
Embedded local feature selection within mixture of experts Peralta, B; Soto, A Article ISI SCOPUS INFORMATION SCIENCES (2014)
Automated Design of a Computer Vision System for Visual Food Quality Evaluation Mery, D; Pedreschi, F; Soto, A Article ISI SCOPUS Food and Bioprocess Technology (2013)
Enhancing K-Means using class labels Peralta, B; Espinace P.; Soto, A Article ISI SCOPUS Intelligent Data Analysis (2013)
Indoor scene recognition by a mobile robot through adaptive object detection Espinace P.; Kollar, T; Roy, N; Soto, A Article ISI SCOPUS Robotics and Autonomous Systems (2013)
Local Feature Selection Using Gaussian Process Regression Pichara K., Soto A. Article INTELLIGENT DATA ANALYSIS (2013)
Discriminative local subspaces in gene expression data for effective gene function prediction Puelma T., Gutiérrez R., Soto A. Article ISI SCOPUS Bioinformatics (2012)
Indoor Mobile Robotics at Grima, PUC Caro, L; Correa, J; Espinace P.; Langdon, D; Maturana D.; Mitnik, R; Montabone, S; Pszczolkowski, S; Araneda, A; Mery, D; et al. Article ISI SCOPUS Journal of Intelligent and Robotic Systems: Theory and Applications (2012)
Active learning and subspace clustering for anomaly detection Pichara K., Soto A. Article ISI INTELLIGENT DATA ANALYSIS (2011)
Automated fish bone detection using X-ray imaging Mery, D; Lillo, I; Loebel H.; Riffo, V.; Soto, A; Cipriano, A Article ISI SCOPUS Journal of Food Engineering (2011)
Human detection using a mobile platform and novel features derived from a visual saliency mechanism Montabone, S; Soto, A Article ISI SCOPUS Image and Vision Computing (2010)
Quality classification of corn tortillas using computer vision Mery, D; Soto, A; Cipriano, A; Velez-Rivera, N; Arzate-Vazquez, I Article ISI SCOPUS Journal of Food Engineering (2010)
Active visual perception for mobile robot localization Correa J., Soto A. Article 1604-2004: SUPERNOVAE AS COSMOLOGICAL LIGHTHOUSES (2009)
Collaborative robotic instruction: A graph teaching experience Mitnik, R; Recabarren, M; Nussbaum, M; Soto, A Article ISI SCOPUS COMPUTERS & EDUCATION (2009)
An autonomous educational mobile robot mediator Mitnik, R; Nussbaum, M; Soto, A Article ISI SCOPUS AUTONOMOUS ROBOTS (2008)
Unsupervised anomaly detection in large databases using Bayesian networks Cansado, A; Soto, A Article ISI SCOPUS APPLIED ARTIFICIAL INTELLIGENCE (2008)
Unsupervised identification of useful visual landmarks using multiple segmentations and top-down feedback Espinace P.; Langdon, D; Soto, A Article ISI SCOPUS ROBOTICS AND AUTONOMOUS SYSTEMS (2008)
A STATISTICAL APPROACH TO SIMULTANEOUS MAPPING AND LOCALIZATION FOR MOBILE ROBOTS Araneda, A; Fienberg, SE; Soto, A Article ISI The Annals of Applied Statistics (2007)
An accelerated algorithm for density estimation in large databases using Gaussian mixtures Soto, A; Zavala F.; Araneda, A Article ISI SCOPUS CYBERNETICS AND SYSTEMS (2007)
Using data mining techniques to predict industrial wine problem fermentations Urtubia, A.; Pérez-Correa, JR; Soto, A; Pszczolkowski, P Article ISI SCOPUS FOOD CONTROL (2007)
Mobile robotic supported collaborative learning (MRSCL) Mitnik, R; Nussbaum, M; Soto, A Article ISI VIRTUAL, AUGMENTED AND MIXED REALITY, VAMR 2021 (2004)
Statistical inference in mapping and localization for mobile robots Araneda, A; Soto, A Article ISI VIRTUAL, AUGMENTED AND MIXED REALITY, VAMR 2021 (2004)
A method to adaptively propagate the set of samples used by particle filters Soto, A Article ISI VIRTUAL, AUGMENTED AND MIXED REALITY, VAMR 2021 (2003)
A probabilistic approach for dynamic state estimation using visual information Soto, A; Khosla, P Article ISI VIRTUAL, AUGMENTED AND MIXED REALITY, VAMR 2021 (2003)


Extracting and Encoding: Leveraging Large Language Models and Medical Knowledge to Enhance Radiological Text Representation Messina; P.; Vidal; R.; Parra; D.; Soto; A.; Araujo; V. ConferencePaper ISI SCOPUS Proceedings of the Annual Meeting of the Association for Computational Linguistics (2024)
Optimizing Reusable Knowledge for Continual Learning via Metalearning Hurtado J., Raymond-Saez A., Soto A. ConferencePaper (2021)
Differentiable Adaptive Computation Time for Visual Reasoning ConferencePaper (2020)
Behavioral Indoor Navigation with Natural Language Directions Zang, X ConferencePaper SCOPUS ACM/IEEE International Conference on Human-Robot Interaction (2018)
Multi-target Tracking with Sparse Group Features and Position Using Discrete-Continuous Optimization Peralta, B; Soto, A ConferencePaper ISI SCOPUS Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (2015)
Towards improving Top-N recommendation by generalization of SLIM Larrain S.; Parra, D; Soto, A ConferencePaper SCOPUS CEUR Workshop Proceedings (2015)
Visual recognition to access and analyze people density and flow patterns in indoor environments Ruz, C; Pieringer, C; Peralta, B; Lillo, I; Espinace P.; Gonzalez, R; Wendt B.; Mery, D; Soto, A ConferencePaper SCOPUS 2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018 (2015)
Discriminative Hierarchical Modeling of Spatio-Temporally Composable Human Activities Lillo, I; Soto, A; Niebles, JC ConferencePaper ISI SCOPUS 2016 IEEE CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION (CVPR) (2014)
Human Action Recognition from Inter-temporal Dictionaries of Key-Sequences Alfaro, A; Mery, D; Soto, A ConferencePaper ISI VIRTUAL, AUGMENTED AND MIXED REALITY, VAMR 2021 (2014)
Human action recognition from interoral dictionaries of key-sequences Alfaro, A; Mery, D; Soto, A ConferencePaper SCOPUS Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (2014)
Joint Dictionary and Classifier Learning for Categorization of Images Using a Max-margin Framework Lobel, H; Vidal, R; Mery, D; Soto, A ConferencePaper ISI VIRTUAL, AUGMENTED AND MIXED REALITY, VAMR 2021 (2014)
Hierarchical Joint Max-Margin Learning of Mid and Top Level Representations for Visual Recognition Lobel, H; Vidal, R; Soto, A ConferencePaper ISI SCOPUS Proceedings of the IEEE International Conference on Computer Vision (2013)
Face Recognition with Decision Tree-Based Local Binary Patterns Maturana D.; Mery, D; Soto, A ConferencePaper ISI VIRTUAL, AUGMENTED AND MIXED REALITY, VAMR 2021 (2011)
Learning discriminative local binary patterns for face recognition Maturana D.; Mery, D; Soto, A ConferencePaper 1604-2004: SUPERNOVAE AS COSMOLOGICAL LIGHTHOUSES (2011)
Mixing hierarchical contexts for object recognition Peralta, B; Soto, A ConferencePaper VIRTUAL, AUGMENTED AND MIXED REALITY, VAMR 2021 (2011)
Face recognition with local binary patterns, spatial pyramid histograms and naive bayes nearest neighbor classification Maturana D.; Mery, D; Soto, A ConferencePaper Proceedings - International Conference of the Chilean Computer Science Society, SCCC (2010)
Indoor Scene Recognition Through Object Detection Espinace P.; Kollar, T; Soto, A; Roy, N ConferencePaper ISI SCOPUS Proceedings - IEEE International Conference on Robotics and Automation (2010)
Performance evaluation of the Covariance descriptor for target detection Cargill P.C.; Rius C.U.; Quiroz D.M.; Soto, A ConferencePaper Proceedings - International Conference of the Chilean Computer Science Society, SCCC (2010)
Detection of Anomalies in Large Datasets Using an Active Learning Scheme Based on Dirichlet Distributions Pichara, K; Soto, A; Araneda, A ConferencePaper VIRTUAL, AUGMENTED AND MIXED REALITY, VAMR 2021 (2008)
Features: The More The Better Mery, D; Soto, A ConferencePaper ISI ISCGAV'08: PROCEEDINGS OF THE 8TH WSEAS INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING, COMPUTATIONAL GEOMETRY AND ARTIFICIAL VISION (2008)
Improving the Selection and Detection of Visual Landmarks Through Object Tracking Espinace P.; Soto, A ConferencePaper 2016 IEEE CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION (CVPR) (2008)
Real-Time Robot Localization In Indoor Environments Using Structural Information Espinace P.; Soto, A; Torres-Torriti, M ConferencePaper 2008 5TH LATIN AMERICAN ROBOTICS SYMPOSIUM (LARS 2008) (2008)
Human detection in indoor environments using multiple visual cues and a mobile robot Pszczolkowski, S; Soto, A ConferencePaper VIRTUAL, AUGMENTED AND MIXED REALITY, VAMR 2021 (2007)
A mobile robotics course for undergraduate students in computer science Soto, A; Espinace P.; Mitnik, R ConferencePaper ISI 2006 IEEE 3rd Latin American Robotics Symposium (2006)
Automatic selection and detection of visual landmarks using multiple segmentations Langdon, D; Soto, A; Mery, D ConferencePaper ISI VIRTUAL, AUGMENTED AND MIXED REALITY, VAMR 2021 (2006)
Detection of rare objects in massive astronomical datasets using innovative knowledge discovery technology Soto, A; Cansado, A; Zavala F. ConferencePaper ISI Astronomical Data Analysis Software and Systems XIV, Proceedings (2005)
Self Adaptive Particle Filter Soto, A ConferencePaper ISI SCOPUS IJCAI International Joint Conference on Artificial Intelligence (2005)
Adaptive hierarchical contexts for object recognition with conditional mixture of trees Peralta B., Espinace P and Soto A. ConferencePaper 1604-2004: SUPERNOVAE AS COSMOLOGICAL LIGHTHOUSES
An ensemble of Discriminative Local Subspaces in Microarray Data for Gene Ontology Annotation Predictions Puelma T., Soto A., Gutiérrez R. ConferencePaper 1604-2004: SUPERNOVAE AS COSMOLOGICAL LIGHTHOUSES


Visual detection of unusual events for automatic visual surveillance of the elderly Soto, Alvaro. Proyecto (2013)
Environmentally-Adaptive Vision-Based Navigaton Soto, Alvaro. Proyecto (2012)
An Intelligent Tutoring System Based on Novel Sensing Modalities Soto, Alvaro. Proyecto (2011)
A General Methodology for Robust Automated X-Ray Testing of Complex Structures Based on Adaptive Multiple View Planning Mery, Domingo; Soto, Alvaro. Proyecto (2010)
An indoor mobile that recognizes common places and objects in its environment using an active vision and machine learning approach Soto, Alvaro.; Mery, Domingo Proyecto (2009)
SalmonX: automatic visual inspection in salmon productions lines using X ray Mery, Domingo; Cipriano, Aldo; Auilera, Jose Miguel; Soto, Alvaro. Proyecto (2009)
A real time system based on computer vision techniques to supervise and allocate cash registers at grocery stores Soto, Alvaro.; Mery, Domingo Proyecto (2008)
Millennium Nucleus in Functional Genome of the Plant Gutierrez, Rodrigo; Soto, Alvaro. Proyecto (2008)
Real-time intelligent control for integrated transit systems Cipriano, Aldo; Soto, Alvaro.; Mery, Domingo; Muñoz, Juan Carlos; Rios, Miguel; Giesen, Ricardo Proyecto (2007)
Flow Measurement and Customer space densities in large retail stores using multiple video cameras Soto, Alvaro.; Mery, Domingo Proyecto (0)
Indoor Scene and Object Recognition by a Mobile Robot, Using Visual Grammars and Machine Learning Techniques Soto, Alvaro. Proyecto (0)

Jose Perez

Profesor Titular

Ingeniería Química y Bioprocesos

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

Rodrigo Gutierrez

Full Professor

Molecular Genetics & Microbiology

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

Miguel Nussbaum

Full professor

Engineering

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

DOMINGO MERY

Profesor Titular

Computación

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

Alvaro Soto

Associate Professor

Computer Science

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

Aldo Cipriano

Full Professor

Electrical Engineering, Mechanical Engineering

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE - DEPTO. ING. ELÉCTRICA

Santiago, Chile

Marcelo Mendoza

Académico

Ciencias de la Computación

Pontificia Universidad Católica de Chile

Santiago, Chile

Cristian Ruz

Profesor Asistente Adjunto

Ciencia de la Computación

Pontificia Universidad Católica de Chile

Santiago, Chile

Marcelo Andia

Associate Professor

Radiology

Pontificia Universidad Catolica de Chile

Santiago, Chile

Juan Muñoz

Professor

Department of Transport Engineering and Logistics

Pontificia Universidad Catolica de Chile

Santiago, Chile

Ricardo Giesen

Director and Associate Professor

Transport Engineering and Logistics

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

Miguel Torres

Associate Professor

Department of Electrical Engineering

Pontificia Universidad Catolica de Chile

Santiago, Chile

Claudia Prieto

Full Professor

Electrical Engineering

Pontificia Universidad Catolica de Chile

Santiago, Chile

Alejandra Urtubia

Associate Professor

Chemical and Environmental Engineering

Universidad Técnica Federico Santa María

Valaparaiso, Chile

Denis Parra

Profesor Asociado

Ciencia de la Computación

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

Christian Pieringer

Académico Investigador

Facultad de Ingeniería y Negocios

Universidad de Las Américas

Providencia, Chile

Ana Araneda

Profesor Asociado Adjunto

Estadistica

Pontificia Universidad Catolica de Chile

Santiago, Chile

Billy Peralta

Profesor Asociado

Ciencias de la Ingeniería

Universidad Andrés Bello

Santiago, Chile

Hans Lobel

Profesor Asistente

Departamento de Ingeniería de Transporte y Logística / Departamento de Ciencia de la Computación

Pontificia Universidad Católica de Chile

Santiago, Chile

Luis Caro

Profesor Asistente

Informática

Universidad Católica de Temuco

Temuco, Chile

Stefan Pszczolkowski

Research Fellow

Medicine

University of Nottingham

Nottingham, Reino Unido

Franco Pedreschi

Profesor Titular

Departamento de Ingeniería Química y Bioprocesos

Pontificia Universidad Católica de Chile

Macul, Chile

Cecilia Besa

Associate Professor

Radiology

Pontificia Universidad Católica de Chile

Santiago, Chile

Andrés Carvallo

Investigador

Centro Nacional de Inteligencia Artificial

Santiago, Chile

Gabriel Sepúlveda

Profesor Instructor

Departamento de Ciencia de la Computación

Pontificia Universidad Católica de Chile

Santiago, Chile

Vladimir Riffo

Académico

DIICC

Universidad de Atacama

Copiap'o, Chile

Analí Alfaro

Profesor

Informática

Universidad de Santiago de Chile

Santiago, Chile

Alvaro Marcelo Soto Arriaza

Líneas de Investigación

Educación

Master in Computer Science, LOUISIANA STATE UNIVERSITY. Estados Unidos, 1996

Ingeniero Civil de Industrias, Mención Eléctrica, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 1993

Licenciado en Ciencias de la Ingeniería, UNIVERSIDAD DE CHILE. Chile, 1992

Ph.D. in Computer Science, CARNEGIE MELLON UNIVERSITY. Estados Unidos, 2002

Experiencia Académica

Associate Professor Full Time

Experiencia Profesional

Profesor Asociado Full Time

Ingeniero de Investigación Part Time

Formación de Capital Humano

Difusión y Transferencia

Premios y Distinciones

Graduate Fellowship

Graduate Tuition Award

Premio Nacional Avonni a la Innovación en la categoría Servicios Digitales Entel 2018

Article (36)

ConferencePaper (29)

Proyecto (11)