David Freire-Obregón

According to our database, David Freire-Obregón authored at least 42 papers between 2007 and 2024.

Collaborative distances:

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

2024

Visual Question Answering Models for Zero-Shot Pedestrian Attribute Recognition: A Comparative Study.

Modesto Castrillón Santana, Elena Sánchez-Nielsen, David Freire-Obregón, Oliverio J. Santana, Daniel Hernández-Sosa, Javier Lorenzo-Navarro

SN Comput. Sci., August, 2024

Introduction to the special issue on "Computer vision solutions for part-based image analysis and classification (CV_PARTIAL)".

Fabio Narducci, Piercalo Dondi, David Freire-Obregón, Florin Pop

Pattern Recognit. Lett., 2024

Applying deep learning image enhancement methods to improve person re-identification.

Oliverio J. Santana, Javier Lorenzo-Navarro, David Freire-Obregón, Daniel Hernández-Sosa, Modesto Castrillón Santana

Neurocomputing, 2024

Classifying Soccer Ball-on-Goal Position Through Kicker Shooting Action.

Javier Torón-Artiles, Daniel Hernández-Sosa, Oliverio J. Santana, Javier Lorenzo-Navarro, David Freire-Obregón

Proceedings of the 13th International Conference on Pattern Recognition Applications and Methods, 2024

An Evaluation of General-Purpose Optical Character Recognizers and Digit Detectors for Race Bib Number Recognition.

Modesto Castrillón Santana, David Freire-Obregón, Daniel Hernández-Sosa, Oliverio J. Santana, Francisco Ortega-Zamorano, José Isern González, Javier Lorenzo-Navarro

Proceedings of the 13th International Conference on Pattern Recognition Applications and Methods, 2024

Towards Bi-Hemispheric Emotion Mapping Through EEG: A Dual-Stream Neural Network Approach.

David Freire-Obregón, Daniel Hernández-Sosa, Oliverio J. Santana, Javier Lorenzo-Navarro, Modesto Castrillón Santana

Proceedings of the 18th IEEE International Conference on Automatic Face and Gesture Recognition, 2024

2023

Facial expression analysis in a wild sporting environment.

Oliverio J. Santana, David Freire-Obregón, Daniel Hernández-Sosa, Javier Lorenzo-Navarro, Elena Sánchez-Nielsen, Modesto Castrillón Santana

Multim. Tools Appl., March, 2023

Zero-shot ear cross-dataset transfer for person recognition on mobile devices.

David Freire-Obregón, Maria De Marsico, Paola Barra, Javier Lorenzo-Navarro, Modesto Castrillón Santana

Pattern Recognit. Lett., February, 2023

An X3D Neural Network Analysis for Runner's Performance Assessment in a Wild Sporting Environment.

David Freire-Obregón, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana

Proceedings of the 18th International Conference on Machine Vision and Applications, 2023

Improving Person Re-identification Through Low-Light Image Enhancement.

Oliverio J. Santana, Javier Lorenzo-Navarro, David Freire-Obregón, Daniel Hernández-Sosa, Modesto Castrillón Santana

Proceedings of the Pattern Recognition Applications and Methods, 2023

Evaluating the Impact of Low-Light Image Enhancement Methods on Runner Re-Identification in the Wild.

Oliverio J. Santana, Javier Lorenzo-Navarro, David Freire-Obregón, Daniel Hernández-Sosa, Modesto Castrillón Santana

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

Exploring Data Augmentation Strategies for Diagonal Earlobe Crease Detection.

Sara L. Almonacid-Uribe, Oliverio J. Santana, Daniel Hernández-Sosa, David Freire-Obregón

Proceedings of the Pattern Recognition Applications and Methods, 2023

Deep Learning for Diagonal Earlobe Crease Detection.

Sara L. Almonacid-Uribe, Oliverio J. Santana, Daniel Hernández-Sosa, David Freire-Obregón

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

A Large-scale Analysis of Athletes' Cumulative Race Time in Running Events.

David Freire-Obregón, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana

Proceedings of the Image Analysis and Processing - ICIAP 2023, 2023

Towards Facial Expression Robustness in Multi-scale Wild Environments.

David Freire-Obregón, Daniel Hernández-Sosa, Oliverio J. Santana, Javier Lorenzo-Navarro, Modesto Castrillón Santana

Proceedings of the Image Analysis and Processing - ICIAP 2023, 2023

Image Similarity between Masked and Unmasked Face for Consumer Electronics Applications.

Lucia Cimmino, David Freire-Obregón, Andrea Francesco Abate

Proceedings of the IEEE International Conference on Consumer Electronics, 2023

A Large-Scale Re-identification Analysis in Sporting Scenarios: the Betrayal of Reaching a Critical Point.

David Freire-Obregón, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana

Proceedings of the IEEE International Joint Conference on Biometrics, 2023

Novelty Detection in Human-Machine Interaction Through a Multimodal Approach.

José Salas-Cáceres, Javier Lorenzo-Navarro, David Freire-Obregón, Modesto Castrillón Santana

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2023

Evaluation of a Visual Question Answering Architecture for Pedestrian Attribute Recognition.

Modesto Castrillón Santana, Elena Sánchez-Nielsen, David Freire-Obregón, Oliverio J. Santana, Daniel Hernández-Sosa, Javier Lorenzo-Navarro

Proceedings of the Computer Analysis of Images and Patterns, 2023

2022

Inflated 3D ConvNet context analysis for violence detection.

David Freire-Obregón, Paola Barra, Modesto Castrillón Santana, Maria De Marsico

Mach. Vis. Appl., 2022

Exploiting Temporal Coherence to Improve Person Re-identification.

Oliverio J. Santana, Javier Lorenzo-Navarro, David Freire-Obregón, Daniel Hernández-Sosa, José Isern González, Modesto Castrillón Santana

Proceedings of the Pattern Recognition Applications and Methods, 2022

Boosting Re-identification in the Ultra-running Scenario.

Miguel Angel Medina, Javier Lorenzo-Navarro, David Freire-Obregón, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana

Proceedings of the 11th International Conference on Pattern Recognition Applications and Methods, 2022

Towards cumulative race time regression in sports: I3D ConvNet transfer learning in ultra-distance running events.

David Freire-Obregón, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana

Proceedings of the 26th International Conference on Pattern Recognition, 2022

Decontextualized I3D ConvNet for Ultra-Distance Runners Performance Analysis at a Glance.

David Freire-Obregón, Javier Lorenzo-Navarro, Modesto Castrillón Santana

Proceedings of the Image Analysis and Processing - ICIAP 2022, 2022

2021

Improving user verification in human-robot interaction from audio or image inputs through sample quality assessment.

David Freire-Obregón, Kevin Rosales-Santana, Pedro A. Marín-Reyes, Adrián Peñate Sánchez, Javier Lorenzo-Navarro, Modesto Castrillón Santana

Pattern Recognit. Lett., 2021

2020

TGC20ReId: A dataset for sport event re-identification in the wild.

Adrián Peñate Sánchez, David Freire-Obregón, Adrián Lorenzo-Melián, Javier Lorenzo-Navarro, Modesto Castrillón Santana

Pattern Recognit. Lett., 2020

An attention recurrent model for human cooperation detection.

David Freire-Obregón, Modesto Castrillón Santana, Paola Barra, Carmen Bisogni, Michele Nappi

Comput. Vis. Image Underst., 2020

TGCRBNW: A Dataset for Runner Bib Number Detection (and Recognition) in the Wild.

Pablo Hernández-Carrascosa, Adrián Peñate Sánchez, Javier Lorenzo-Navarro, David Freire-Obregón, Modesto Castrillón Santana

Proceedings of the 25th International Conference on Pattern Recognition, 2020

2019

Deep learning for source camera identification on mobile devices.

David Freire-Obregón, Fabio Narducci, Silvio Barra, Modesto Castrillón Santana

Pattern Recognit. Lett., 2019

Gotcha-I: A Multiview Human Videos Dataset.

Paola Barra, Carmen Bisogni, Michele Nappi, David Freire-Obregón, Modesto Castrillón Santana

Proceedings of the Security in Computing and Communications - 7th International Symposium, 2019

Gait Analysis for Gender Classification in Forensics.

Paola Barra, Carmen Bisogni, Michele Nappi, David Freire-Obregón, Modesto Castrillón Santana

Proceedings of the Dependability in Sensor, Cloud, and Big Data Systems and Applications, 2019

2018

Evaluation of local descriptors and CNNs for non-adult detection in visual content.

Modesto Castrillón Santana, Javier Lorenzo-Navarro, Carlos Manuel Travieso-González, David Freire-Obregón, Jesús Bernardino Alonso Hernández

Pattern Recognit. Lett., 2018

2016

Optimized clothes segmentation to boost gender classification in unconstrained scenarios.

David Freire-Obregón, Modesto Castrillón Santana, Javier Lorenzo-Navarro

CoRR, 2016

2015

An Evolutive Approach for Smile Recognition in Video Sequences.

David Freire-Obregón, Modesto Castrillón Santana

Int. J. Pattern Recognit. Artif. Intell., 2015

Stripe based clothes segmentation.

Javier Lorenzo-Navarro, Modesto Castrillón Santana, David Freire-Obregón, Enrique Ramón-Balmaseda

Proceedings of the 2015 IEEE International Conference on Multimedia & Expo Workshops, 2015

2014

Evaluation of LBP and HOG Descriptors for Clothing Attribute Description.

Javier Lorenzo-Navarro, Modesto Castrillón Santana, Enrique Ramón-Balmaseda, David Freire-Obregón

Proceedings of the Video Analytics for Audience Measurement - First International Workshop, 2014

Automatic clothes segmentation for soft biometrics.

David Freire-Obregón, Modesto Castrillón Santana, Enrique Ramón-Balmaseda, Javier Lorenzo-Navarro

Proceedings of the 2014 IEEE International Conference on Image Processing, 2014

2010

Learning to recognize gender using experience.

Modesto Castrillón Santana, Javier Lorenzo, David Freire-Obregón, Oscar Déniz

Proceedings of the International Conference on Image Processing, 2010

2009

Smile Detection using Local Binary Patterns and Support Vector Machines.

David Freire-Obregón, Modesto Castrillón Santana, Oscar Déniz-Suárez

Proceedings of the VISAPP 2009 - Proceedings of the Fourth International Conference on Computer Vision Theory and Applications, Lisboa, Portugal, February 5-8, 2009, 2009

A Study for the Self Similarity Smile Detection.

David Freire-Obregón, Luis Antón-Canalís, Modesto Castrillón Santana

Proceedings of the Biometric ID Management and Multimodal Communication, 2009

2007

A Computational Structure for Generalized Visual Space-Time Chromatic Processing.

David Freire-Obregón, Roberto Moreno-Díaz Jr., Roberto Moreno-Díaz, Gabriel de Blasio, Arminda Moreno-Díaz

Proceedings of the Bio-inspired Modeling of Cognitive Tasks, 2007

A Structure for Generalized Space-Time Processing: The Feedforward Visual Case.

Roberto Moreno-Díaz, Arminda Moreno-Díaz, Gabriel de Blasio, David Freire-Obregón

Proceedings of the Computer Aided Systems Theory, 2007