Álvaro-Ángel Orozco-Gutierrez

According to our database, Álvaro-Ángel Orozco-Gutierrez authored at least 121 papers between 2006 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Kreĭn twin support vector machines for imbalanced data classification.

Cristian Jimenez Castaño, A. Álvarez-Meza, David Cárdenas-Peña, Álvaro Ángel Orozco-Guitiérrez, J. Guerrero-Erazo

Pattern Recognit. Lett., 2024

2023

Correlated Chained Gaussian Processes for Datasets With Multiple Annotators.

Julián Gil González, Juan-José Giraldo, Andrés Marino Álvarez-Meza, Álvaro-Ángel Orozco-Gutierrez, Mauricio A. Álvarez

IEEE Trans. Neural Networks Learn. Syst., August, 2023

Semi-supervised <i>t</i>-SNE with multi-scale neighborhood preservation.

Walter Serna-Serna, Cyril de Bodt, Andrés Marino Álvarez-Meza, John A. Lee, Michel Verleysen, Álvaro Ángel Orozco-Guitiérrez

Neurocomputing, 2023

Bayesian Iterative Closest Point for Shape Analysis of Brain Structures.

Mauricio Castaño, Hernán F. García, Álvaro Á. Orozco, Gloria L. Porras-Hurtado, David Augusto Cárdenas-Peña

Proceedings of the 12th International Conference on Pattern Recognition Applications and Methods, 2023

2022

Supported Diagnosis of Attention Deficit and Hyperactivity Disorder from EEG Based on Interpretable Kernels for Hidden Markov Models.

Maria Camila Maya-Piedrahita, Paula Marcela Herrera-Gómez, Laura Berrío-Mesa, David Augusto Cárdenas-Peña, Álvaro Ángel Orozco-Guitiérrez

Int. J. Neural Syst., 2022

Brain Shape Correspondence Analysis Using Variational Mixtures for Gaussian Process Latent Variable Models.

Juan P. V. Minoli, Álvaro Ángel Orozco, Gloria L. Porras-Hurtado, Hernán F. García

Proceedings of the Artificial Intelligence in Neuroscience: Affective Analysis and Health Applications, 2022

Brain Shape Correspondence Analysis Using Functional Maps.

Jonnatan Arias-Garcia, Hernán F. García, Álvaro Á. Orozco, Gloria L. Porras-Hurtado, David Cárdenas-Peña, Jorge Iván Ríos Patiño

Proceedings of the Advances in Visual Computing - 17th International Symposium, 2022

2021

Tdnn-Based Engine In-Cylinder Pressure Estimation from Shaft Velocity Spectral Representation.

Andrés F. Valencia-Duque, David Cárdenas-Peña, Andrés Marino Álvarez-Meza, Álvaro-Ángel Orozco-Gutierrez, Héctor Fabio Quintero Riaza

Sensors, 2021

Random Fourier Features-Based Deep Learning Improvement with Class Activation Interpretability for Nerve Structure Segmentation.

Cristian Alfonso Jimenez Castaño, Andrés Marino Álvarez-Meza, Oscar David Aguirre-Ospina, David Augusto Cárdenas-Peña, Álvaro-Ángel Orozco-Gutierrez

Sensors, 2021

An enhanced and interpretable feature representation approach to support shape classification from binary images.

J. S. Blandon, Álvaro-Ángel Orozco-Gutierrez, Andrés Marino Álvarez-Meza

Pattern Recognit. Lett., 2021

Relevant information undersampling to support imbalanced data classification.

J. Hoyos-Osorio, A. Álvarez-Meza, Genaro Daza-Santacoloma, Álvaro-Ángel Orozco-Gutierrez, Germán Castellanos-Domínguez

Neurocomputing, 2021

Learning from multiple inconsistent and dependent annotators to support classification tasks.

Julián Gil González, Álvaro-Ángel Orozco-Gutierrez, Andrés Álvarez-Meza

Neurocomputing, 2021

Interpretable Diagnosis of ADHD Based on Wavelet Features and Logistic Regression.

Julián D. Pastrana-Cortes, Maria Camila Maya-Piedrahita, Paula Marcela Herrera-Gómez, David Cárdenas-Peña, Álvaro-Ángel Orozco-Gutierrez

Proceedings of the Progress in Artificial Intelligence and Pattern Recognition, 2021

Peripheral Nerve Segmentation in Ultrasound Images Using Conditioned U-Net.

Harold Mauricio Díaz-Vargas, Cristian Alfonso Jimenez Castaño, David Augusto Cárdenas-Peña, Oscar David Aguirre-Ospina, Álvaro-Ángel Orozco-Gutierrez

Proceedings of the Progress in Artificial Intelligence and Pattern Recognition, 2021

EEG representation approach based on Kernel Canonical Correlation Analysis highlighting discriminative patterns for BCI applications.

Viviana Gómez-Orozco, Cristian Blanco Martínez, David Augusto Cárdenas-Peña, Paula Marcela Herrera-Gómez, Álvaro Ángel Orozco-Guitiérrez

Proceedings of the 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2021

2020

Video-based social behavior recognition based on kernel relevance analysis.

Jorge Fernández-Ramírez, A. Álvarez-Meza, E. M. Pereira, Álvaro Ángel Orozco-Guitiérrez, Germán Castellanos-Domínguez

Vis. Comput., 2020

Enhanced automatic twin support vector machine for imbalanced data classification.

Cristian Jimenez Castaño, Andrés Marino Álvarez-Meza, Álvaro-Ángel Orozco-Gutierrez

Pattern Recognit., 2020

Classification of Categorical Data Based on the Chi-Square Dissimilarity and t-SNE.

Luis Ariosto Serna Cardona, Hernán Darío Vargas Cardona, Piedad Navarro González, David Augusto Cárdenas-Peña, Álvaro-Ángel Orozco-Gutierrez

Comput., 2020

Diagnosis of attention deficit and hyperactivity disorder (ADHD) using Hidden Markov Models.

Maria Camila Maya-Piedrahita, David Cárdenas-Peña, Álvaro-Ángel Orozco-Gutierrez

Proceedings of the 28th European Signal Processing Conference, 2020

CSP-based discriminative capacity index from EEG supporting ADHD diagnosis.

S. Galindo-Noreña, David Cárdenas-Peña, Álvaro-Ángel Orozco-Gutierrez

Proceedings of the 28th European Signal Processing Conference, 2020

2019

Tensor decomposition processes for interpolation of diffusion magnetic resonance imaging.

Hernán Darío Vargas Cardona, Álvaro Á. Orozco, Andrés M. Álvarez, Mauricio A. Álvarez

Expert Syst. Appl., 2019

AKL-ABC: An Automatic Approximate Bayesian Computation Approach Based on Kernel Learning.

Wilson González-Vanegas, Andrés Marino Álvarez-Meza, J. A. Hernández-Muriel, Álvaro-Ángel Orozco-Gutierrez

Entropy, 2019

HAPAN: Support Tool for Practicing Regional Anesthesia in Peripheral Nerves.

J. A. Hernández-Muriel, J. C. Mejía-Hernández, Julián D. Echeverry-Correa, Álvaro Á. Orozco, David Cárdenas-Peña

Proceedings of the Understanding the Brain Function and Emotions, 2019

Infinite Gaussian Fisher Vector to Support Video-Based Human Action Recognition.

Jorge Fernández-Ramírez, Andrés Marino Álvarez-Meza, Álvaro-Ángel Orozco-Gutierrez, Julián David Echeverry Correa

Proceedings of the Advances in Visual Computing, 2019

2018

Learning from multiple annotators using kernel alignment.

Julián Gil González, Andrés Marino Álvarez-Meza, Álvaro Ángel Orozco-Guitiérrez

Pattern Recognit. Lett., 2018

Multi-task learning for subthalamic nucleus identification in deep brain stimulation.

Hernán Darío Vargas Cardona, Mauricio A. Álvarez, Álvaro Orozco

Int. J. Mach. Learn. Cybern., 2018

A Fast Reliability Analysis Approach for Colombian Natural Gas Subnetworks.

Wilson González-Vanegas, Andrés Álvarez-Meza, Álvaro Ángel Orozco-Guitiérrez

Proceedings of the Applied Computer Sciences in Engineering, 2018

Nonlinear Probabilistic Latent Variable Models for Groupwise Correspondence Analysis in Brain Structures.

Hernán F. García, Álvaro Ángel Orozco, Mauricio A. Álvarez

Proceedings of the 28th IEEE International Workshop on Machine Learning for Signal Processing, 2018

Imbalanced Data Classification Using a Relevant Information-Based Sampling Approach.

Keider Hoyos, Jorge Fernández, Beatriz Martinez, Óscar Alberto Henao, Álvaro Orozco, Genaro Daza

Proceedings of the Progress in Artificial Intelligence and Pattern Recognition, 2018

Student Desertion Prediction Using Kernel Relevance Analysis.

Jorge Fernández, Angélica Rojas, Genaro Daza-Santacoloma, Diana Gómez, Andrés M. Álvarez, Álvaro Orozco

Proceedings of the Progress in Artificial Intelligence and Pattern Recognition, 2018

Multilayer-Based HMM Training to Support Bearing Fault Diagnosis.

Jorge Fernández, Andrés M. Álvarez, Héctor F. Quintero, Julián David Echeverry, Álvaro Orozco

Proceedings of the Progress in Artificial Intelligence and Pattern Recognition, 2018

Video-Based Human Action Recognition Using Kernel Relevance Analysis.

Jorge Fernández-Ramírez, Andrés Marino Álvarez-Meza, Álvaro Ángel Orozco-Guitiérrez

Proceedings of the Advances in Visual Computing - 13th International Symposium, 2018

Non-stationary Generalized Wishart Processes for Enhancing Resolution over Diffusion Tensor Fields.

Jhon F. Cuellar-Fierro, Hernán Darío Vargas Cardona, Andrés M. Álvarez, Álvaro Á. Orozco, Mauricio A. Álvarez

Proceedings of the Advances in Visual Computing - 13th International Symposium, 2018

Emotion Assessment Using Adaptive Learning-Based Relevance Analysis.

Cristian A. Torres-Valencia, Andrés Álvarez-Meza, Álvaro Ángel Orozco-Guitiérrez

Proceedings of the Image Analysis and Recognition - 15th International Conference, 2018

A Kernelized Morphable Model for 3D Brain Tumor Analysis.

David A. Jimenez, Hernán F. García, Andrés M. Álvarez, Álvaro Ángel Orozco, Germán Holguín

Proceedings of the Image Analysis and Recognition - 15th International Conference, 2018

Nerve Structure Segmentation from Ultrasound Images Using Random Under-Sampling and an SVM Classifier.

Cristian Jimenez, D. Diaz, D. Salazar, Andres Marino Alvarez, Álvaro-Ángel Orozco-Gutierrez, Óscar Alberto Henao

Proceedings of the Image Analysis and Recognition - 15th International Conference, 2018

Shape Classification Using Hilbert Space Embeddings and Kernel Adaptive Filtering.

J. S. Blandon, Cristhian K. Valencia, Andrés M. Álvarez, Julián David Echeverry, Mauricio A. Álvarez, Álvaro Orozco

Proceedings of the Image Analysis and Recognition - 15th International Conference, 2018

Information Potential Variability for Hyperparameter Selection in the MMD Distance.

Cristhian K. Valencia, Andrés M. Álvarez, Edgar A. Valencia, Mauricio A. Álvarez, Álvaro Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2018

Emotion Recognition with Ensemble Using mRMR-Based Feature Selection.

A. Valencia-Alzate, J. Castañeda-Gonzalez, J. Hoyos-Osorio, Genaro Daza-Santacoloma, Álvaro Ángel Orozco-Guitiérrez

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2018

An Automatic Brain Tumor Segmentation Approach Based on Affinity Clustering.

C. Ramirez, Viviana Gómez-Orozco, Iván De La Pava, Andrés Marino Álvarez-Meza, Julián David Echeverry, Jorge I. Ríos, Álvaro Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2018

Gender Effects on an EEG-Based Emotion Level Classification System.

Iván De La Pava, A. Álvarez-Meza, Paula Herrera, Germán Castellanos-Domínguez, Álvaro Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2018

A Data Representation Approach to Support Imbalanced Data Classification Based on TWSVM.

Cristian Jimenez, Andrés Marino Álvarez-Meza, Álvaro Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2018

Gaussian Processes Regression with Multiple Annotators: When the Annotator Performance Is Not Homogeneous.

Julián Gil González, Andrés Marino Álvarez-Meza, Álvaro Ángel Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2018

An Automatic Approximate Bayesian Computation Approach Using Metric Learning.

Wilson González-Vanegas, A. Álvarez-Meza, Álvaro-Ángel Orozco-Gutierrez

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2018

Short Time EEG Connectivity Features to Support Interpretability of MI Discrimination.

Viviana Gómez-Orozco, A. Álvarez-Meza, Paula Herrera, Germán Castellanos-Domínguez, Álvaro Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2018

Enhanced Graph Cuts for Brain Tumor Segmentation Using Bayesian Optimization.

Mauricio Castaño, Hernán F. García, Gloria L. Porras-Hurtado, Álvaro Á. Orozco, Jorge I. Marin-Hurtado

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2018

An Enhanced Sequential Search Feature Selection Based on mRMR to Support FCD Localization.

J. Castañeda-Gonzalez, A. Álvarez-Meza, Álvaro Ángel Orozco-Guitiérrez

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2018

A DTW-Based Representation to Support Static Sign Language Recognition from Binary Images.

J. S. Blandon, Andrés Marino Álvarez-Meza, Álvaro Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2018

Automatic Identification of DBS Parameters from the Volume of Tissue Activated (VTA) Using Support Vector Machines.

Robinson Aguilar, Hernán Darío Vargas Cardona, Andrés M. Álvarez, Álvaro Á. Orozco, Piedad Navarro

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2018

2017

SVM-based feature selection methods for emotion recognition from multimodal data.

Cristian A. Torres-Valencia, Mauricio A. Álvarez, Álvaro Ángel Orozco-Guitiérrez

J. Multimodal User Interfaces, 2017

Dynamic facial landmarking selection for emotion recognition using Gaussian processes.

Hernán F. García, Mauricio A. Álvarez, Álvaro Á. Orozco

J. Multimodal User Interfaces, 2017

Automatic Localization of Deep Stimulation Electrodes Using Trajectory-based Segmentation Approach.

Roger Gomez Nieto, Andrés Marino Álvarez-Meza, Julián David Echeverry Correa, Álvaro Ángel Orozco-Guitiérrez

CoRR, 2017

Emotion Assessment Based on Functional Connectivity Variability and Relevance Analysis.

Cristian A. Torres-Valencia, A. Álvarez-Meza, Álvaro Ángel Orozco-Guitiérrez

Proceedings of the Natural and Artificial Computation for Biomedicine and Neuroscience, 2017

Volume Rendering by Stochastic Neighbor Embedding-Based 2D Transfer Function Building.

Walter Serna-Serna, Andrés Marino Álvarez-Meza, Álvaro-Ángel Orozco-Gutierrez

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2017

Emotion Assessment by Variability-Based Ranking of Coherence Features from EEG.

Iván De La Pava, Andrés Álvarez-Meza, Álvaro Ángel Orozco-Guitiérrez

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2017

3D Probabilistic Morphable Models for Brain Tumor Segmentation.

David A. Jimenez, Hernán F. García, Andrés M. Álvarez, Álvaro Á. Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2017

Clustering-Based Undersampling to Support Automatic Detection of Focal Cortical Dysplasias.

Keider Hoyos-Osorio, Andrés M. Álvarez, Álvaro Á. Orozco, Jorge I. Ríos, Genaro Daza-Santacoloma

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2017

Automatic Peripheral Nerve Segmentation in Presence of Multiple Annotators.

Julián Gil González, Andrés M. Álvarez, Andrés F. Valencia, Álvaro Á. Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2017

Sparse Hilbert Embedding-Based Statistical Inference of Stochastic Ecological Systems.

Wilson González-Vanegas, Andrés Marino Álvarez-Meza, Álvaro Ángel Orozco-Guitiérrez

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2017

Non-stationary Multi-output Gaussian Processes for Enhancing Resolution over Diffusion Tensor Fields.

Jhon F. Cuellar-Fierro, Hernán Darío Vargas Cardona, Mauricio A. Álvarez, Andrés M. Álvarez, Álvaro Á. Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2017

2016

A Tucker decomposition process for probabilistic modeling of diffusion magnetic resonance imaging.

Hernán Darío Vargas Cardona, Mauricio A. Álvarez, Álvaro Á. Orozco

CoRR, 2016

A probabilistic framework based on SLIC-superpixel and Gaussian processes for segmenting nerves in ultrasound images.

Julián Gil González, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2016

Gaussian process dynamical models for multimodal affect recognition.

Hernán F. García, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2016

Multi-output Gaussian processes for enhancing resolution of diffusion tensor fields.

Hernán Darío Vargas Cardona, Álvaro Á. Orozco, Mauricio A. Álvarez

Proceedings of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2016

Non-parametric Source Reconstruction via Kernel Temporal Enhancement for EEG Data.

Cristian A. Torres-Valencia, J. A. Hernández-Muriel, Wilson González-Vanegas, Andrés Álvarez-Meza, Álvaro Ángel Orozco-Guitiérrez, Mauricio A. Álvarez

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2016

A Hierarchical K-Nearest Neighbor Approach for Volume of Tissue Activated Estimation.

Iván De La Pava, Juan Mejía, Andrés Álvarez-Meza, Mauricio A. Álvarez, Álvaro Ángel Orozco-Guitiérrez, Óscar Alberto Henao

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2016

Sparse Linear Models Applied to Power Quality Disturbance Classification.

Andrés F. López-Lopera, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2016

Spatial Resolution Enhancement in Ultrasound Images from Multiple Annotators Knowledge.

Julián Gil González, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2016

A Kernel-Based Approach for DBS Parameter Estimation.

Viviana Gómez-Orozco, Jhon F. Cuellar-Fierro, Hernán F. García, Andrés Álvarez, Mauricio A. Álvarez, Álvaro Orozco, Óscar Alberto Henao

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2016

Bayesian Optimization for Fitting 3D Morphable Models of Brain Structures.

Hernán F. García, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2016

Analysis of the Geometry and Electric Properties of Brain Tissue in Simulation Models for Deep Brain Stimulation.

Hernán Darío Vargas Cardona, Álvaro Á. Orozco, Mauricio A. Álvarez

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2016

Definition and Composition of Motor Primitives Using Latent Force Models and Hidden Markov Models.

Diego Agudelo-España, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2016

2015

Dynamic Hand Gesture Recognition Using Generalized Time Warping and Deep Belief Networks.

Cristian A. Torres-Valencia, Hernán F. García, Germán A. Holguín, Mauricio A. Álvarez, Álvaro Orozco

Proceedings of the Advances in Visual Computing - 11th International Symposium, 2015

NEURONAV: A Tool for Image-Guided Surgery - Application to Parkinson's Disease.

José Bestier Padilla, Ramiro Arango, Hernán F. García, Hernán Darío Vargas Cardona, Álvaro Á. Orozco, Mauricio A. Álvarez, Enrique Guijarro-Estellés

Proceedings of the Advances in Visual Computing - 11th International Symposium, 2015

Groupwise Shape Correspondences on 3D Brain Structures Using Probabilistic Latent Variable Models.

Hernán F. García, Mauricio A. Álvarez, Álvaro Orozco

Proceedings of the Advances in Visual Computing - 11th International Symposium, 2015

Gaussian Processes for Slice-Based Super-Resolution MR Images.

Hernán Darío Vargas Cardona, Andrés F. López-Lopera, Álvaro Á. Orozco, Mauricio A. Álvarez, Juan Antonio Hernández Tamames, Norberto Malpica

Proceedings of the Advances in Visual Computing - 11th International Symposium, 2015

Generalized Wishart Processes for Interpolation Over Diffusion Tensor Fields.

Hernán Darío Vargas Cardona, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the Advances in Visual Computing - 11th International Symposium, 2015

A Parzen-Based Distance Between Probability Measures as an Alternative of Summary Statistics in Approximate Bayesian Computation.

Carlos D. Zuluaga, Edgar A. Valencia, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the Image Analysis and Processing - ICIAP 2015, 2015

Kernel Centered Alignment Supervised Metric for Multi-Atlas Segmentation.

Mauricio Orbes-Arteaga, David Cárdenas-Peña, Mauricio A. Álvarez, Álvaro Á. Orozco, Germán Castellanos-Domínguez

Proceedings of the Image Analysis and Processing - ICIAP 2015, 2015

Global and Local Gaussian Process for Multioutput and Treed Data.

Jhouben J. Cuesta, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the Image Analysis and Processing - ICIAP 2015, 2015

Convolved Multi-output Gaussian Processes for Semi-Supervised Learning.

Hernán Darío Vargas Cardona, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the Image Analysis and Processing - ICIAP 2015, 2015

Information-Based Cost Function for a Bayesian MRI Segmentation Framework.

David Cárdenas-Peña, Álvaro Á. Orozco, Germán Castellanos-Domínguez

Proceedings of the Image Analysis and Processing - ICIAP 2015, 2015

A Gaussian Process Emulator for Estimating the Volume of Tissue Activated During Deep Brain Stimulation.

Iván De La Pava, Viviana Gómez-Orozco, Mauricio A. Álvarez, Óscar Alberto Henao, Genaro Daza-Santacoloma, Álvaro Á. Orozco

Proceedings of the Pattern Recognition and Image Analysis - 7th Iberian Conference, 2015

Spatial-Dependent Similarity Metric Supporting Multi-atlas MRI Segmentation.

Mauricio Orbes-Arteaga, David Cárdenas-Peña, Mauricio A. Álvarez, Álvaro Á. Orozco, Germán Castellanos-Domínguez

Proceedings of the Pattern Recognition and Image Analysis - 7th Iberian Conference, 2015

Improving Diffusion Tensor Estimation Using Adaptive and Optimized Filtering Based on Local Similarity.

Andrés F. López-Lopera, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the Pattern Recognition and Image Analysis - 7th Iberian Conference, 2015

Peripheral Nerves Segmentation in Ultrasound Images Using Non-linear Wavelets and Gaussian Processes.

Julián Gil González, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the Pattern Recognition and Image Analysis - 7th Iberian Conference, 2015

Peripheral Nerve Segmentation Using Speckle Removal and Bayesian Shape Models.

Hernán F. García, Juan J. Giraldo, Mauricio A. Álvarez, Álvaro Á. Orozco, Diego Salazar

Proceedings of the Pattern Recognition and Image Analysis - 7th Iberian Conference, 2015

Automatic assessment of voice quality in the context of multiple annotations.

Julián Gil González, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2015

Automatic segmentation of nerve structures in ultrasound images using Graph Cuts and Gaussian processes.

Julián Gil González, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2015

Peripheral nerve segmentation using Nonparametric Bayesian Hierarchical Clustering.

Juan J. Giraldo, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2015

Magnetic Resonance Image Selection for Multi-Atlas Segmentation Using Mixture Models.

Mauricio Orbes-Arteaga, David Cárdenas-Peña, Mauricio A. Álvarez, Álvaro Á. Orozco, Germán Castellanos-Domínguez

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2015

Indian Buffet Process for Model Selection in Latent Force Models.

Cristian Guarnizo, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2015

Fall Detection Algorithm Based on Thresholds and Residual Events.

Fily Mateos Grisales-Franco, Jesús Francisco Vargas-Bonilla, Álvaro Ángel Orozco, Mauricio A. Álvarez, Germán Castellanos-Domínguez

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2015

Discriminative Training for Convolved Multiple-Output Gaussian Processes.

Sebastián Gómez-González, Mauricio A. Álvarez, Hernán F. García, Jorge I. Ríos, Álvaro Á. Orozco

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2015

2014

Bayesian Shape Models with Shape Priors for MRI Brain Segmentation.

Hernán F. García, Mauricio A. Álvarez, Álvaro Orozco

Proceedings of the Advances in Visual Computing - 10th International Symposium, 2014

Gaussian Process Dynamical Models for Emotion Recognition.

Hernán F. García, Mauricio A. Álvarez, Álvaro Orozco

Proceedings of the Advances in Visual Computing - 10th International Symposium, 2014

Automatic Recognition of Microcalcifications in Mammography Images through Fractal Texture Analysis.

Hernán Darío Vargas Cardona, Álvaro Orozco, Mauricio A. Álvarez

Proceedings of the Advances in Visual Computing - 10th International Symposium, 2014

Multiple-output support vector machine regression with feature selection for arousal/valence space emotion assessment.

Cristian A. Torres-Valencia, Mauricio A. Álvarez, Álvaro Ángel Orozco-Guitiérrez

Proceedings of the 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2014

Latent force models for describing transcriptional regulation processes in the embryo development problem for the Drosophila melanogaster.

Juan David Vasquez Jaramillo, Mauricio A. Álvarez, Álvaro Á. Orozco

Proceedings of the 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2014

Sparse representation of MER signals for localizing the Subthalamic Nucleus in Parkinson's disease surgery.

Hernán Darío Vargas Cardona, Mauricio A. Álvarez, Álvaro Ángel Orozco

Proceedings of the 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2014

A latent force model for describing electric propagation in deep brain stimulation: A simulation study.

Pablo A. Alvarado, Mauricio A. Álvarez, Genaro Daza-Santacoloma, Álvaro Orozco, Germán Castellanos-Domínguez

Proceedings of the 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2014

2013

Feature selection for multimodal emotion recognition in the arousal-valence space.

Cristian A. Torres-Valencia, Álvaro Á. Orozco, Mauricio A. Álvarez

Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2013

Optimal sampling frequency in wavelet-based signal feature extraction using particle swarm optimization.

Cristian Guarnizo, Álvaro Á. Orozco, Mauricio A. Álvarez

Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2013

Dynamic physiological signal analysis based on Fisher kernels for emotion recognition.

Hernán F. García, Álvaro Á. Orozco, Mauricio A. Álvarez

Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2013

Unsupervised learning applied in MER and ECG signals through Gaussians mixtures with the Expectation-Maximization algorithm and Variational Bayesian Inference.

Hernán Darío Vargas Cardona, Álvaro Ángel Orozco, Mauricio A. Álvarez

Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2013

2012

Pseudo-periodic surrogate data method on voice signals.

Juan Sebastian Hurtado Jaramillo, Diego Luis Guarín, Álvaro Ángel Orozco

Proceedings of the 11th International Conference on Information Science, 2012

Nonlinear statistics for bearing diagnosis.

Diego Luis Guarín, Álvaro Ángel Orozco, Edilson Delgado-Trejos

Proceedings of the 11th International Conference on Information Science, 2012

Statistical Models for Emotion Recognition using Facial Expression Analisys.

Hernán García, Augusto Salazar, Álvaro Orozco

Proceedings of the ICINCO 2012 - Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics, Volume 1, Rome, Italy, 28, 2012

Complex networks: Application to pathology detection in voice signals.

Juan Sebastian Hurtado Jaramillo, Diego Luis Guarín, Álvaro Orozco

Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2012

NEUROZONE: On-line recognition of brain structures in stereotactic surgery - application to Parkinson's disease.

Hernán Darío Vargas Cardona, José Bestier Padilla, Ramiro Arango, Hans Carmona, Mauricio A. Álvarez, Enrique Guijarro-Estellés, Álvaro Ángel Orozco

Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2012

Multi-patient learning increases accuracy for Subthalamic nucleus identification in deep brain stimulation.

Hernán Darío Vargas Cardona, Álvaro Ángel Orozco, Mauricio A. Álvarez

Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2012

2011

EEG seizure identification by using optimized wavelet decomposition.

Ruben-Dario Pinzon-Morales, Álvaro Ángel Orozco-Guitiérrez, Germán Castellanos-Domínguez

Proceedings of the 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2011

Testing for nonlinearity in non-stationary physiological time series.

Diego Luis Guarín, Edilson Delgado-Trejos, Álvaro Orozco

Proceedings of the 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2011

2010

Driving Fatigue Detection Using Active Shape Models.

Hernán García, Augusto Salazar, Damián Alvarez, Álvaro Orozco

Proceedings of the Advances in Visual Computing - 6th International Symposium, 2010

Model-based Feature Extraction for Assessment of Driver-related Fatigue.

Damián Alvarez, Álvaro Orozco, Augusto Salazar

Proceedings of the ICINCO 2010, 2010

Feature selection using an ensemble of optimal wavelet packet and learning machine: Application to MER signals.

Ruben-Dario Pinzon-Morales, Álvaro Ángel Orozco-Guitiérrez, César Germán Castellanos-Domínguez

Proceedings of the 7th International Symposium on Communication Systems Networks and Digital Signal Processing, 2010

2008

Reducción de espacios de entrenamiento de HMMS empleando DPCA.

Johanna Carvajal González, Milton Orlando Sarria-Paja, Álvaro Ángel Orozco-Guitiérrez, Germán Castellanos-Domínguez

Rev. Avances en Sistemas Informática, 2008

Nonlinear Dynamics Techniques for the Detection of the Brain Areas Using MER Signals.

Andrea Rodríguez-Sánchez, Edilson Delgado-Trejos, Álvaro Ángel Orozco-Guitiérrez, Germán Castellanos-Domínguez, Enrique Guijarro-Estellés

Proceedings of the 2008 International Conference on BioMedical Engineering and Informatics, 2008

Microelectrode Signals Segmentation Using Stationary Wavelet Transform.

Cristian Guarnizo, Álvaro Orozco, Germán Castellanos-Domínguez

Proceedings of the 2008 International Conference on BioMedical Engineering and Informatics, 2008

2006

Identification of Spike Sources using Proximity Analysis through Hidden Markov Models.

Álvaro Ángel Orozco, Mauricio A. Álvarez, Enrique Guijarro-Estellés, Germán Castellanos-Domínguez

Proceedings of the 28th International Conference of the IEEE Engineering in Medicine and Biology Society, 2006

Kernel Principal Component Analysis through Time for Voice Disorder Classification.

Mauricio A. Álvarez, Ricardo Henao, Germán Castellanos-Domínguez, Juan Ignacio Godino-Llorente, Álvaro Ángel Orozco

Proceedings of the 28th International Conference of the IEEE Engineering in Medicine and Biology Society, 2006