David Freire-Obregón

70 papers B 6C 9Misc 2Journal 32Unranked 19
YearRankTypeTitle / Venue / Authors
2026 — ed.
Computer Analysis of Images and Patterns - 21st International Conference, CAIP 2025, Las Palmas de Gran Canaria, Spain, September 22-25, 2025, Proceedings, Part I
CAIP (1)
Modesto Castrillón Santana, Carlos M. Travieso-González, Oscar Déniz-Suárez, David Freire-Obregón, Daniel Hernández-Sosa, Javier Lorenzo-Navarro, Oliverio J. Santana
2026 — ed.
Computer Analysis of Images and Patterns - 21st International Conference, CAIP 2025, Las Palmas de Gran Canaria, Spain, September 22-25, 2025, Proceedings, Part II
CAIP (2)
Modesto Castrillón Santana, Carlos M. Travieso-González, Oscar Déniz-Suárez, David Freire-Obregón, Daniel Hernández-Sosa, Javier Lorenzo-Navarro, Oliverio J. Santana
2026 — conf
Emotional Modulation in Swarm Decision Dynamics.
ICAART (1)
David Freire-Obregón
2026 J jnl
Emotional Modulation in Swarm Decision Dynamics.
CoRR
David Freire-Obregón
2026 J jnl
Multi-year long-term person re-identification using gait and HAR features.
Pattern Recognit.
David Freire-Obregón, Oliverio J. Santana, Javier Lorenzo-Navarro, Daniel Hernández-Sosa, Modesto Castrillón Santana
2025 C conf
An Evaluation of a Visual Question Answering Strategy for Zero-shot Facial Expression Recognition in Still Images.
VCIP
José Salas-Cáceres, Modesto Castrillón Santana, David Freire-Obregón, Oliverio J. Santana, Daniel Hernández-Sosa, Javier Lorenzo-Navarro
2025 J jnl
An Evaluation of a Visual Question Answering Strategy for Zero-shot Facial Expression Recognition in Still Images.
CoRR
Modesto Castrillón Santana, Oliverio J. Santana, David Freire-Obregón, Daniel Hernández-Sosa, Javier Lorenzo-Navarro
2025 J jnl
Dynamic Dropout: Leveraging Conway's Game of Life for Neural Networks Regularization.
CoRR
David Freire-Obregón, José Salas-Cáceres, Modesto Castrillón Santana
2025 J jnl
Exploring biometric domain adaptation in human action recognition models for unconstrained environments.
Multim. Tools Appl.
David Freire-Obregón, Paola Barra, Modesto Castrillón Santana, Maria De Marsico
2025 — conf
Gait-Based Prediction of Penalty Kick Direction in Soccer.
icSPORTS
David Freire-Obregón, Oliverio J. Santana, Javier Lorenzo-Navarro, Daniel Hernández-Sosa, Modesto Castrillón Santana
2025 — conf
Mapping Emotions in the Brain: A Bi-Hemispheric Neural Model with Explainable Deep Learning.
ICIAP (Workshops 2)
David Freire-Obregón, Agnieszka Dubiel, Prasoon Kumar Vinodkumar, Gholamreza Anbarjafari, Dorota Kaminska, Modesto Castrillón Santana
2025 J jnl
Mapping Emotions in the Brain: A Bi-Hemispheric Neural Model with Explainable Deep Learning.
CoRR
David Freire-Obregón, Agnieszka Dubiel, Prasoon Kumar Vinodkumar, Gholamreza Anbarjafari, Dorota Kaminska, Modesto Castrillón Santana
2025 — conf
Modeling Cultural Bias in Facial Expression Recognition with Adaptive Agents.
FLLM
David Freire-Obregón, José Salas-Cáceres, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana
2025 J jnl
Modeling Cultural Bias in Facial Expression Recognition with Adaptive Agents.
CoRR
David Freire-Obregón, José Salas-Cáceres, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana
2025 J jnl
Multimodal emotion recognition based on a fusion of audiovisual information with temporal dynamics.
Multim. Tools Appl.
José Salas-Cáceres, Javier Lorenzo-Navarro, David Freire-Obregón, Modesto Castrillón Santana
2025 Misc conf
Predicting Soccer Penalty Kick Direction Using Human Action Recognition.
ICIAP
David Freire-Obregón, Oliverio J. Santana, Javier Lorenzo-Navarro, Daniel Hernández-Sosa, Modesto Castrillón Santana
2025 J jnl
Predicting Soccer Penalty Kick Direction Using Human Action Recognition.
CoRR
David Freire-Obregón, Oliverio J. Santana, Javier Lorenzo-Navarro, Daniel Hernández-Sosa, Modesto Castrillón Santana
2025 J jnl
Synthesizing multilevel abstraction ear sketches for enhanced biometric recognition.
Image Vis. Comput.
David Freire-Obregón, João Neves, Ziga Emersic, Blaz Meden, Modesto Castrillón Santana, Hugo Proença
2025 J jnl
Wrong Face, Wrong Move: The Social Dynamics of Emotion Misperception in Agent-Based Models.
CoRR
David Freire-Obregón
2024 J jnl
A Large-Scale Re-identification Analysis in Sporting Scenarios: the Betrayal of Reaching a Critical Point.
CoRR
David Freire-Obregón, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana
2024 C conf
An Evaluation of General-Purpose Optical Character Recognizers and Digit Detectors for Race Bib Number Recognition.
ICPRAM
Modesto Castrillón Santana, David Freire-Obregón, Daniel Hernández-Sosa, Oliverio J. Santana, Francisco Ortega-Zamorano, José Isern González, Javier Lorenzo-Navarro
2024 J jnl
Applying deep learning image enhancement methods to improve person re-identification.
Neurocomputing
Oliverio J. Santana, Javier Lorenzo-Navarro, David Freire-Obregón, Daniel Hernández-Sosa, Modesto Castrillón Santana
2024 C conf
Classifying Soccer Ball-on-Goal Position Through Kicker Shooting Action.
ICPRAM
Javier Torón-Artiles, Daniel Hernández-Sosa, Oliverio J. Santana, Javier Lorenzo-Navarro, David Freire-Obregón
2024 C conf
Heterogeneous Transfer Learning in Sports: Human Action Recognition for Gender and Outcome Prediction.
ICPRAM
Javier Torón-Artiles, Daniel Hernández-Sosa, Oliverio J. Santana, Javier Lorenzo-Navarro, David Freire-Obregón
2024 J jnl
Introduction to the special issue on "Computer vision solutions for part-based image analysis and classification (CV_PARTIAL)".
Pattern Recognit. Lett.
Fabio Narducci, Piercalo Dondi, David Freire-Obregón, Florin Pop
2024 B conf
Towards Bi-Hemispheric Emotion Mapping Through EEG: A Dual-Stream Neural Network Approach.
FG
David Freire-Obregón, Daniel Hernández-Sosa, Oliverio J. Santana, Javier Lorenzo-Navarro, Modesto Castrillón Santana
2024 J jnl
Towards Bi-Hemispheric Emotion Mapping through EEG: A Dual-Stream Neural Network Approach.
CoRR
David Freire-Obregón, Daniel Hernández-Sosa, Oliverio J. Santana, Javier Lorenzo-Navarro, Modesto Castrillón Santana
2024 J jnl
Visual Question Answering Models for Zero-Shot Pedestrian Attribute Recognition: A Comparative Study.
SN Comput. Sci.
Modesto Castrillón Santana, Elena Sánchez-Nielsen, David Freire-Obregón, Oliverio J. Santana, Daniel Hernández-Sosa, Javier Lorenzo-Navarro
2023 B conf
A Large-Scale Re-identification Analysis in Sporting Scenarios: the Betrayal of Reaching a Critical Point.
IJCB
David Freire-Obregón, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana
2023 — conf
A Large-scale Analysis of Athletes' Cumulative Race Time in Running Events.
ICIAP (1)
David Freire-Obregón, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana
2023 Misc conf
An X3D Neural Network Analysis for Runner's Performance Assessment in a Wild Sporting Environment.
MVA
David Freire-Obregón, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana
2023 J jnl
An X3D Neural Network Analysis for Runner's Performance Assessment in a Wild Sporting Environment.
CoRR
David Freire-Obregón, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana
2023 J jnl
Classifying Soccer Ball-on-Goal Position Through Kicker Shooting Action.
CoRR
Javier Torón-Artiles, Daniel Hernández-Sosa, Oliverio J. Santana, Javier Lorenzo-Navarro, David Freire-Obregón
2023 C conf
Deep Learning for Diagonal Earlobe Crease Detection.
ICPRAM
Sara L. Almonacid-Uribe, Oliverio J. Santana, Daniel Hernández-Sosa, David Freire-Obregón
2023 C conf
Evaluating the Impact of Low-Light Image Enhancement Methods on Runner Re-Identification in the Wild.
ICPRAM
Oliverio J. Santana, Javier Lorenzo-Navarro, David Freire-Obregón, Daniel Hernández-Sosa, Modesto Castrillón Santana
2023 — conf
Evaluation of a Visual Question Answering Architecture for Pedestrian Attribute Recognition.
CAIP (1)
Modesto Castrillón Santana, Elena Sánchez-Nielsen, David Freire-Obregón, Oliverio J. Santana, Daniel Hernández-Sosa, Javier Lorenzo-Navarro
2023 — conf
Exploring Data Augmentation Strategies for Diagonal Earlobe Crease Detection.
ICPRAM (Revised Selected Papers)
Sara L. Almonacid-Uribe, Oliverio J. Santana, Daniel Hernández-Sosa, David Freire-Obregón
2023 J jnl
Facial expression analysis in a wild sporting environment.
Multim. Tools Appl.
Oliverio J. Santana, David Freire-Obregón, Daniel Hernández-Sosa, Javier Lorenzo-Navarro, Elena Sánchez-Nielsen, Modesto Castrillón Santana
2023 C conf
Image Similarity between Masked and Unmasked Face for Consumer Electronics Applications.
ICCE
Lucia Cimmino, David Freire-Obregón, Andrea Francesco Abate
2023 — conf
Improving Person Re-identification Through Low-Light Image Enhancement.
ICPRAM (Revised Selected Papers)
Oliverio J. Santana, Javier Lorenzo-Navarro, David Freire-Obregón, Daniel Hernández-Sosa, Modesto Castrillón Santana
2023 C conf
Novelty Detection in Human-Machine Interaction Through a Multimodal Approach.
CIARP
José Salas-Cáceres, Javier Lorenzo-Navarro, David Freire-Obregón, Modesto Castrillón Santana
2023 — conf
Towards Facial Expression Robustness in Multi-scale Wild Environments.
ICIAP (1)
David Freire-Obregón, Daniel Hernández-Sosa, Oliverio J. Santana, Javier Lorenzo-Navarro, Modesto Castrillón Santana
2023 J jnl
Zero-shot ear cross-dataset transfer for person recognition on mobile devices.
Pattern Recognit. Lett.
David Freire-Obregón, Maria De Marsico, Paola Barra, Javier Lorenzo-Navarro, Modesto Castrillón Santana
2022 C conf
Boosting Re-identification in the Ultra-running Scenario.
ICPRAM
Miguel Angel Medina, Javier Lorenzo-Navarro, David Freire-Obregón, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana
2022 — conf
Decontextualized I3D ConvNet for Ultra-Distance Runners Performance Analysis at a Glance.
ICIAP (3)
David Freire-Obregón, Javier Lorenzo-Navarro, Modesto Castrillón Santana
2022 J jnl
Decontextualized I3D ConvNet for ultra-distance runners performance analysis at a glance.
CoRR
David Freire-Obregón, Javier Lorenzo-Navarro, Modesto Castrillón Santana
2022 J jnl
Deep Learning for Diagonal Earlobe Crease Detection.
CoRR
Sara L. Almonacid-Uribe, Oliverio J. Santana, Daniel Hernández-Sosa, David Freire-Obregón
2022 — conf
Exploiting Temporal Coherence to Improve Person Re-identification.
ICPRAM (Revised Selected Papers)
Oliverio J. Santana, Javier Lorenzo-Navarro, David Freire-Obregón, Daniel Hernández-Sosa, José Isern González, Modesto Castrillón Santana
2022 J jnl
Inflated 3D ConvNet context analysis for violence detection.
Mach. Vis. Appl.
David Freire-Obregón, Paola Barra, Modesto Castrillón Santana, Maria De Marsico
2022 B conf
Towards cumulative race time regression in sports: I3D ConvNet transfer learning in ultra-distance running events.
ICPR
David Freire-Obregón, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana
2022 J jnl
Towards cumulative race time regression in sports: I3D ConvNet transfer learning in ultra-distance running events.
CoRR
David Freire-Obregón, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, Modesto Castrillón Santana
2021 J jnl
Improving user verification in human-robot interaction from audio or image inputs through sample quality assessment.
Pattern Recognit. Lett.
David Freire-Obregón, Kevin Rosales-Santana, Pedro A. Marín-Reyes, Adrián Peñate Sánchez, Javier Lorenzo-Navarro, Modesto Castrillón Santana
2020 J jnl
An attention recurrent model for human cooperation detection.
Comput. Vis. Image Underst.
David Freire-Obregón, Modesto Castrillón Santana, Paola Barra, Carmen Bisogni, Michele Nappi
2020 J jnl
TGC20ReId: A dataset for sport event re-identification in the wild.
Pattern Recognit. Lett.
Adrián Peñate Sánchez, David Freire-Obregón, Adrián Lorenzo-Melián, Javier Lorenzo-Navarro, Modesto Castrillón Santana
2020 B conf
TGCRBNW: A Dataset for Runner Bib Number Detection (and Recognition) in the Wild.
ICPR
Pablo Hernández-Carrascosa, Adrián Peñate Sánchez, Javier Lorenzo-Navarro, David Freire-Obregón, Modesto Castrillón Santana
2019 J jnl
Deep learning for source camera identification on mobile devices.
Pattern Recognit. Lett.
David Freire-Obregón, Fabio Narducci, Silvio Barra, Modesto Castrillón Santana
2019 — conf
Gait Analysis for Gender Classification in Forensics.
DependSys
Paola Barra, Carmen Bisogni, Michele Nappi, David Freire-Obregón, Modesto Castrillón Santana
2019 — conf
Gotcha-I: A Multiview Human Videos Dataset.
SSCC
Paola Barra, Carmen Bisogni, Michele Nappi, David Freire-Obregón, Modesto Castrillón Santana
2018 J jnl
Evaluation of local descriptors and CNNs for non-adult detection in visual content.
Pattern Recognit. Lett.
Modesto Castrillón Santana, Javier Lorenzo-Navarro, Carlos Manuel Travieso-González, David Freire-Obregón, Jesús Bernardino Alonso Hernández
2017 J jnl
Deep learning for source camera identification on mobile devices.
CoRR
David Freire-Obregón, Fabio Narducci, Silvio Barra, Modesto Castrillón Santana
2016 J jnl
Optimized clothes segmentation to boost gender classification in unconstrained scenarios.
CoRR
David Freire-Obregón, Modesto Castrillón Santana, Javier Lorenzo-Navarro
2015 J jnl
An Evolutive Approach for Smile Recognition in Video Sequences.
Int. J. Pattern Recognit. Artif. Intell.
David Freire-Obregón, Modesto Castrillón Santana
2015 — conf
Stripe based clothes segmentation.
ICME Workshops
Javier Lorenzo-Navarro, Modesto Castrillón Santana, David Freire-Obregón, Enrique Ramón-Balmaseda
2014 B conf
Automatic clothes segmentation for soft biometrics.
ICIP
David Freire-Obregón, Modesto Castrillón Santana, Enrique Ramón-Balmaseda, Javier Lorenzo-Navarro
2014 — conf
Evaluation of LBP and HOG Descriptors for Clothing Attribute Description.
VAAM@ICPR
Javier Lorenzo-Navarro, Modesto Castrillón Santana, Enrique Ramón-Balmaseda, David Freire-Obregón
2010 B conf
Learning to recognize gender using experience.
ICIP
Modesto Castrillón Santana, Javier Lorenzo, David Freire-Obregón, Oscar Déniz
2009 — conf
A Study for the Self Similarity Smile Detection.
COST 2101/2102 Conference
David Freire-Obregón, Luis Antón-Canalís, Modesto Castrillón Santana
2009 — conf
Smile Detection using Local Binary Patterns and Support Vector Machines.
VISAPP (1)
David Freire-Obregón, Modesto Castrillón Santana, Oscar Déniz-Suárez
2007 — conf
A Computational Structure for Generalized Visual Space-Time Chromatic Processing.
IWINAC (1)
David Freire-Obregón, Roberto Moreno-Díaz Jr., Roberto Moreno-Díaz, Gabriel de Blasio, Arminda Moreno-Díaz
2007 — conf
A Structure for Generalized Space-Time Processing: The Feedforward Visual Case.
EUROCAST
Roberto Moreno-Díaz, Arminda Moreno-Díaz, Gabriel de Blasio, David Freire-Obregón