Publications
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2024
Multisensory integration for topological indoor localization of mobile robots in complex symmetrical environments
S. Lafuente-Arroyo, S. Maldonado-Bascón, D. Delgado-Mena, C. Gutiérrez-Álvarez, F. J. Acevedo-Rodríguez.
Expert Systems with Applications, 2024. 
Video
OffNav: Offline Reinforcement Learning for Visual Semantic Navigation
C. Gutiérrez-Álvarez, R. Flor-Rodríguez-Rabadán, A. Kanezaki, R. J. López-Sastre.
Workshop on Human-aligned Reinforcement Learning for Autonomous Agents and Robots, ICRA 2024.
Neural networks assisted Metropolis-Hastings for Bayesian estimation of critical exponent on elliptic black hole solution in 4D using quantum perturbation theory
A. Hatefi, E. Hatefi, R. J. López-Sastre..
Journal of Cosmology and Astroparticle Physics, 2024.
2023
Towards Clear Evaluation of Robotic Visual Semantic Navigation
C. Gutiérrez-Álvarez, S. Hernandez-García, N. Nasri, A. Cuesta-Infante, R. J. López-Sastre.
ICARA, 2023. Code
Modeling the complexity of elliptic black hole solution in 4D using Hamiltonian Monte Carlo with stacked neural networks
A. Hatefi, E. Hatefi, R. J. López-Sastre.
Journal of High Energy Physics , 2023.
Analysis of black hole solutions in parabolic class using neural networks
E. Hatefi, A. Hatefi, R. J. López-Sastre.
The European Physical Journal C , 2023. Code
Sequential Monte Carlo with cross-validated neural networks for complexity of hyperbolic black hole solutions in 4D
A. Hatefi, E. Hatefi.
The European Physical Journal C , 2023.
2022
Assistive Robot with an AI-Based Application for the Reinforcement of Activities of Daily Living: Technical Validation with Users Affected by Neurodevelopmental Disorders
N. Nasri, R. J. López-Sastre, S. Pacheco-da-Costa, I. Fernández-Munilla, C. Gutiérrez-Álvarez, T. Pousada-Garcı́a, F. J. Acevedo-Rodríguez, S. Maldonado-Bascón,.
Applied Sciences, 2022.
Estimation of Critical Collapse Solutions to Black Holes with Nonlinear Statistical Models
E. Hatefi, A. Hatefi.
Mathematics, 2022.
Topological Robot Localization based on Visual Object Detection and Node Classification for indoor navigation
S. Lafuente-Arroyo, S. Maldonado-Bascón, D. Delgado-Mena, J.A. Castro-Garcı́a, R. J. López-Sastre.
ACAIN, 2022.
Nonlinear statistical spline smoothers for critical spherical black hole solutions in 4-dimension
E. Hatefi, A. Hatefi.
Annals of Physics, 2022.
RGB camera-based fallen person detection system embedded on a mobile platform
S. Lafuente-Arroyo, P. Martín-Martín, C. Iglesias-Iglesias, S. Maldonado-Bascón, F. J. Acevedo-Rodríguez.
Expert Systems With Applications, 2022. Data
Stellar mass and radius estimation using artificial intelligence
A. Moya and R. J. López-Sastre.
Astronomy & Astrophysics, 2022. Code
LIDAR Signature based Node Detection and Classification in graph topological maps for indoor navigation
S. Lafuente-Arroyo, S. Maldonado-Bascón, R. J. López-Sastre, A. J. Molina-Cantero, P. Martín-Martín.
IbPRIA, 2022.
Assessment and counseling to get the best efficiency and effectiveness of the assistive technology (MATCH): Study protocol
T. Pousada-Garcı́a, B. Groba-Gonzalez, L. Nieto-Riveiro,N. Canosa-Domı́nguez, S. Maldonado-Bascón, R. J. López-Sastre, S. Pacheco-da-Costa, I. González-Gómez, A. J. Molina-Cantero, J. Pereira-Loureiro.
PLOS ONE, 2022.
Towards Human Stress and Activity Recognition: A Review and a First Approach Based on Low-Cost Wearables
J. A. Castro-García, A. J. Molina-Cantero, I. María Gómez-González, S. Lafuente-Arroyo and M. Merino-Monge
MDPI, Electronics 2022.
2021
Control architecture for a novel Leg-Based Stair-Climbing Wheelchair
D. Delgado-Mena, E. Pereira, C. Alén-Cordero, S. Maldonado-Bascón, P. Gil-Jiménez.
10th European Conference on Mobile Robots (ECMR), 2021. Video Code
Live Video Action Recognition from Unsupervised Action Proposals
R. J. López-Sastre, M. Baptista-Ríos, F. J. Acevedo-Rodríguez, P. Martín-Martín, S. Maldonado-Bascón.
17th International Conference on Machine Vision Applications (MVA), 2021.
AI for dating stars: a benchmarking study for gyrochronology
A. Moya, J. Recio-Martínez and R. J. López-Sastre.
1st Workshop on AI for Space, CVPR, 2021. Supplementary Code
A Low-Cost Assistive Robot for Children with Neurodevelopmental Disorders to Aid in Daily Living Activities
R. J. López-Sastre, M. Baptista-Ríos, F. J. Acevedo-Rodríguez, S. Pacheco-da-Costa, S. Maldonado-Bascón and S. Lafuente-Arroyo.
Int. Journal of Environmental Research and Public Health, 2021.
Benefits of a Low-Cost Walking Device in Children with Cerebral Palsy: A Qualitative Study
I. Rodríguez-Costa, I. de la Cruz-López, I. Fernández-Zárate, S. Maldonado-Bascón, S. Lafuente-Arroyo and S. Nunez-Nagy.
Int. Journal of Environmental Research and Public Health, 2021.
Proposal and integration of functionalities for an assistive platform in complex indoor environments
V. Noci-Luna, S. Maldonado-Bascón, S. Lafuente-Arroyo, P. Martín-Martín.
4th XoveTIC Conference, 2021.
Embedding ROS and AI-Based Perception Capabilities in a Novel Low-Cost Assistive Robotic Platform
J. Mas-Santillán, F. J. Acevedo-Rodríguez, R. J. López-Sastre.
4th XoveTIC Conference, 2021.
2020
Rethinking Online Action Detection in Untrimmed Videos: A Novel Online Evaluation Protocol
M. Baptista-Ríos, R. J. López-Sastre, F. Caba Heilbron, Jan van Gemert, F. J. Acevedo-Rodríguez, S. Maldonado-Bascón.
IEEE Access, 2020. Code
Unsupervised Action Proposals Using Support Vector Classifiers for Online Video Processing
M. Baptista-Ríos, R. J. López-Sastre, F. J. Acevedo-Rodríguez, P. Martín-Martín, S. Maldonado-Bascón.
Sensors, 2020. Code
Learning to Learn Face-PAD: a lifelong learning approach
D. Pérez-Cabo, D. Jiménez-Cabello, A. Costa-Pazo, R. J. López-Sastre..
IJCB, 2020. Code
2019
The Instantaneous Accuracy: a Novel Metric for the Problem of Online Human Behaviour Recognition in Untrimmed Videos
M. Baptista-Ríos, R. J. López-Sastre, F. Caba Heilbron, Jan van Gemert, F. J. Acevedo-Rodríguez, S. Maldonado-Bascón.
10th International Workshop on Human Bevaviour Undertstanding, ICCV, 2019. Code
Fallen People Detection Capabilities Using Assistive Robot
S. Maldonado-Bascón, C. Iglesias-Iglesias, P. Martín-Martín, S. Lafuente-Arroyo.
Electronics, 2019. Data
Boosting Multi-Vehicle Tracking with a Joint Object Detection and Viewpoint Estimation Sensor
R. J. López-Sastre, C. Herranz-Perdiguero, R. Guerrero-Gómez-Olmedo, D. Oñoro-Rubio, S. Maldonado-Bascón.
Sensors, 2019.
A Novel Approach for a Leg-Based Stair-Climbing Wheelchair based on Electrical Linear Actuators
E. Pereira, H. Gómez-Moreno, C. Alen-Cordero, P. Gil-Jiménez, S. Maldonado-Bascón.
ICINCO, 2019.
Segmentation in Corridor Environments: Combining floor and ceiling detection
S. Lafuente-Arroyo, S. Maldonado-Bascón, H. Gómez-Moreno, C. Alen-Cordero.
IBPRIA, 2019.
Deep Anomaly Detection for Generalized Face Anti-Spoofing
D. Pérez-Cabo, D. Jiménez-Cabello, A. Costa-Pazo, R. J. López-Sastre.
Chalearn Looking at People series Face Spoofing Attack Workshop and Challenge, CVPR, 2019.
Generalized Presentation Attack Detection: a face anti-spoofing evaluation proposal
A. Costa-Pazo, D. Jiménez-Cabello, E. Vázquez-Fernández, J. L. Alba-Castro, R. J. Lopez-Sastre.
International Conference on Biometrics (ICB), 2019. Code
Combining Online Clustering and Rank Pooling Dynamics for Action Proposals
Nadjia Khatir, Roberto J. López-Sastre, Marcos Baptista-Ríos, Safia Nait-Bahloul, Francisco Javier Acevedo-Rodríguez.
IBPRIA, 2019
Collision anticipation via deep reinforcement learning for visual navigation
E. Gutiérrez-Maestro, R. J. López-Sastre, S. Maldonado-Bascón.
IBPRIA, 2019
On-Board Correction of Systematic Odometry Errors in Differential Robots
S. Maldonado-Bascón, R. J. López-Sastre, F. J. Acevedo-Rodríguez, P. Gil-Jiménez.
Journal of Sensors, 2019. Data
Learning to Exploit the Prior Network Knowledge for Weakly-Supervised Semantic Segmentation
C. Redondo-Cabrera, M. Baptista-Ríos, R. J. López-Sastre.
IEEE Transactions on Image Processing, 2019 Code
Answering Visual-Relational Queries in Web-Extracted Knowledge Graphs
D. Oñoro-Rubio, M. Niepert, A. García-Durán, R. González, R. J. López-Sastre.
AKBC, 2019 Code
Unsupervised learning from videos using temporal coherency deep networks
C. Redondo-Cabrera and R. J. López-Sastre.
Computer Vision and Image Understanding, 2019. Code
2018
Embarrassingly Simple Model for Early Action Proposal
M. Baptista-Ríos, R. J. López-Sastre, F. J. Acevedo-Rodríguez, S. Maldonado-Bascón.
Anticipating Human Behavior Workshop, ECCV, 2018.
The challenge of simultaneous object detection and pose estimation: a comparative study
D. Oñoro-Rubio, R. J. López-Sastre, C. Redondo-Cabrera, P. Gil-Jiménez.
Image and Vision Computing, 2018. Code
In pixels we trust: From Pixel Labeling to Object Localization and Scene Categorization
C. Herránz-Perdigureo, C. Redondo-Cabrera and R. J. López-Sastre.
Learning Short-Cut Connections for Object Counting
D. Oñoro-Rubio, M. Niepert, R. J. López-Sastre.
BMVC, 2018
Low cost robot for indoor cognitive disorder people orientation
S. Maldonado-Bascón, F.J. Acevedo-Rodríguez F. Montoya-Andugar and P. Gil-Jiménez.
International Conference on Industrial Technology, 2018.
ISA^2: Intelligent Speed Adaptation from Appearance
C. Herránz-Perdigureo and R. J. López-Sastre.
10th Planning, Perception and Navigation for Intelligent Vehicles (PPNIV'18) Workshop, IROS, 2018. ISA^2 Dataset
2016
Pose Estimation Errors, the Ultimate Diagnosis
C. Redondo-Cabrera, R. J. López-Sastre, Y. Xiang , T. Tuytelaars, S. Savarese.
ECCV, 2016. Code Supplementary
Towards perspective-free object counting with deep learning
D. Oñoro-Rubio and R. J. López-Sastre.
Unsupervised Robust Feature-based Partition Ensembling to Discover Categories
R. J. López-Sastre.
Robust Features for Computer Vision Workshop, CVPR, 2016. Code Video
Estimating the focus of expansion in a video sequence using the trajectories of interest point
P. Gil-Jiménez, H. Gómez-Moreno, R. J. López-Sastre, A. Bermejillo-Martín-Romo.
Image and Vision Computing, 2016. Code
Geometric bounding box interpolation: an alternative for efficient video annotation
P. Gil-Jiménez, H. Gómez-Moreno, R. J. López-Sastre, S. Maldonado-Bascón.
EURASIP Journal on Image and Video Processing, 2016. TrATVid Annotation Tool
2015
Because better detections are still possible: Multi-aspect Object Detection with Boosted Hough Forest
C. Redondo-Cabrera, R. J. López-Sastre.
BMVC, 2015. Supplementary Code
Extremely Overlapping Vehicle Counting
R. Guerrero-Gómez-Olmedo, B. Torre-Jimenez, R. J. López-Sastre, S. Maldonado-Bascón and Daniel Oñoro-Rubio.
IbPRIA, 2015. TRANCOS Dataset
Fast Head Pose Estimation for Human-Computer Interaction
M. García-Montero, C. Redondo-Cabrera, R. López-Sastre and Tinne Tuytelaars.
IbPRIA, 2015.
Structured Output Prediction with Hierarchical Loss Functions for Seafloor Imagery Taxonomic Categorization.
N. Nourani-Vatani, R. López-Sastre and S. Williams.
2014
Recognizing in the Depth: Selective 3D Spatial Pyramid Matching Kernel for Object and Scene Categorization
C. Redondo-Cabrera, R. J. López-Sastre, J. Acevedo-Rodríguez, S. Maldonado-Bascon.
Image and Vision Computing, 2014. Project page
All together now: Simultaneous Object Detection and Continuous Pose Estimation using a Hough Forest with Probabilistic Locally Enhanced Voting
C. Redondo-Cabrera, R. J. López-Sastre, T. Tuytelaars.
BMVC, 2014. Project page
A "Salt and Pepper" Noise Reduction Scheme for Digital Images Based on Support Vector Machines Classification and Regression
H. Gómez-Moreno, P. Gil-Jiménez, S. Lafuente-Arroyo, R. López-Sastre, and S. Maldonado-Bascón.
The Scientific World Journal, 2014. Data
2013
Evaluating 3D spatial pyramids for classifying 3D shapes
R. J. López-Sastre, A. García-Fuertes, C. Redondo-Cabrera, F. J. Acevedo-Rodríguez, S. Maldonado-Bascón.
Computers & Graphics, 2013. Project page - Executable Paper
Vehicle Tracking by Simultaneous Detection and Viewpoint Estimation
R. Guerrero-Gómez-Olmedo, R. J. López-Sastre, S. Maldonado-Bascón, A. Fernández-Caballero.
IWINAC, 2013. GRAM-RTM Dataset
Discriminant Splitting of Regions in Traffic Sign Recognition
S. Lafuente-Arroyo, R. J. López-Sastre, S. Maldonado-Bascón, R. Martínez-Tomás.
IWINAC, 2013.
People Detection in Color and Infrared Video using HOG and Linear SVM
P. Tribaldos, J. Serrano-Cuerda, M. T. López, A. Fernández-Caballero, R. J. López-Sastre.
IWINAC, 2013.
Heterogeneous Visual Codebook Integration via Consensus Clustering for Visual Categorization
R. J. López-Sastre, J. Renes-Olalla, P. Gil-Jiménez, S. Maldonado-Bascón, S. Lafuente-Arroyo.
IEEE TCSVT, 2013. Project page
2012
SURFing the Point Clouds: Selective 3D Spatial Pyramids for Category-level Object Recognition
C. Redondo-Cabrera, R. J. López-Sastre, F.J. Acevedo-Rodríguez, S. Maldonado-Bascón.
CVPR, 2012. Project page
Hand Detection and Tracking Using the Skeleton of the Blob for Medical Rehabilitation Applications
P. Gil-Jiménez, B. Losilla-López, R. Torres-Cueco, A. Campilho and Roberto López-Sastre.
ICIAR, 2012 
Data
SHREC'12 Track: Generic 3D Shape Retrieval
B. Li, A. Godil, M. Aono, X. Bai, T. Furuya, L. Li, R. López-Sastre, H. Johan, R. Ohbuchi, C. Redondo-Cabrera, A. Tatsuma, T. Yanagimachi, S. Zhang.
3DOR: Eurographics Workshop on 3D Object Retrieval, 2012
Fast Reciprocal Nearest Neighbors Clustering
R. J. López-Sastre, D. Oñoro-RUbio, P. Gil-Jiménez, S. Maldonado-Bascón.
Signal Processing, 2012. Code
Evaluation of shape classification techniques based on the signature of the blob
P. Gil-Jiménez, H. Gómez-Moreno, J. Acevedo-Rodríguez, R. J. López-Sastre, S. Maldonado-Bascón.
Signal Processing, 2012. Dataset
2011
Real-time human segmentation in infrared videos
A. Fernández-Caballero, J. Carlos-Castillo, J. Serrano-Cuerda, S. Maldonado-Bascón.
Expert Systems with Applications, 2011.
Deformable Part Models Revisited: A Performance Evaluation for Object Category Pose Estimation
R. J. López-Sastre, T. Tuytelaars, S. Savarese.
1st IEEE Workshop on Challenges and Opportunities in Robot Perception, ICCV, 2011. Project page
Clustering of Trajectories in Video Surveillance Using Growing Neural Gas
J. Acevedo-Rodríguez, S. Maldonado-Bascón, R. J. López-Sastre, P. Gil-Jiménez, A. Fernández-Caballero.
IWINAC, 2011.
Towards a more discriminative and semantic visual vocabulary
R. J. López-Sastre, T. Tuytelaars, J. Acevedo-Rodríguez, S. Maldonado-Bascón.
Computer Vision and Image Understanding, 2011. Code
Visual Word Aggregation
R. J. López-Sastre, J. Renes-Olalla, P. Gil-Jiménez, S. Maldonado-Bascón.
IBPRIA, 2011.
False Alarm Filtering in a Vision Traffic Sign Recognition System
S. Lafuente-Arroyo, S. Maldonado-Bascón, H. Gómez-Moreno, P. Gil-Jiménez.
ICAART, 2011.
2010
Goal Evaluation of Segmentation Algorithms for Traffic Sign Recognition
H. Gómez-Moreno, S. Maldonado-Bascón, P. Gil-Jiménez, S. Lafuente-Arroyo.
IEEE Trans. on Intelligent Transportation Systems, 2010. Results
An optimization on pictogram identification for the road-sign recognition task using SVMs
S. Maldonado-Bascón, J. Acevedo-Rodríguez, A. Fernández-Caballero, F. López-Ferreras.
Computer Vision and Image Understanding, 2010. Video
A decision support system for the automatic management of keep-clear signs based on support vector machines and geographic information systems
S. Lafuente-Arroyo, S. Salcedo-Sanz, S. Maldonado-Bascón, J.A. Portilla-Figueras, R. J. López-Sastre.
Expert Systems with Applications, 2010.
2009
Computational load reduction in decision functions using support vector machines
J. Acevedo-Rodríguez, S. Maldonado-Bascón, S. Lafuente-Arroyo, P. Siegmann and F. López-Ferreras.
Signal Processing, 2009.
Class Representative Visual Words for Category-level Object Recognition
R. J. López-Sastre, T. Tuytelaars and S. Maldonado-Bascón.
IBPRIA, 2009.
Continuous variance estimation in video surveillance sequences with high illumination changes
P. Gil-Jiménez, H. Gómez-Moreno, J. Acevedo-Rodríguez and S. Maldonado-Bascón.
Signal Processing, 2009.
2008
Traffic sign shape classification and localization based on the normalized FFT of the signature of blobs and 2D homographies
P. Gil-Jiménez, S. Maldonado-Bascón, H. Gómez-Moreno, S. Lafuente-Arroyo and F. López-Ferreras.
Signal Processing, 2008.
Fundaments in luminance and retroreflectivity measurements of vertical traffic signs using a color digital camera
P. Siegmann, R. J. López-Sastre, P. Gil-Jiménez, S. Lafuente-Arroyo, S. Maldonado-Bascón.
IEEE Transactions on Instrumentation and Measurement, 2008.
2007
Computer Algebra Algorithms Applied to Computer Vision in a Parking Management System
R. J. López-Sastre, P. Gil-Jiménez, F.J. Acevedo-Rodríguez, S. Maldonado-Bascón.
IEEE ISIE, 2007.
Road-sign Detection and recognition based on support vector machines
S. Maldonado-Bascón, S. Lafuente-Arroyo, P. Gil-Jiménez, H. Gómez-Moreno and F. López-Ferreras.
IEEE Trans. on Intelligent Transportation Systems, 2007.
Road Sign Analysis Using Multisensory Data
R. J. López-Sastre, S. Lafuente-Arroyo, P. Gil-Jiménez, P. Siegmann, S. Maldonado-Bascón.
IWINAC, 2007.
Tuning L1-SVM Hyperparameters with Modified Radius Margin Bounds and Simulated Annealing
F.J. Acevedo-Rodríguez, S. Maldonado-Bascón, P. Siegmann, S. Lafuente-Arroyo and P. Gil-Jiménez.
IWANN, 2007.
Multi-class Support Vector Machines Based on Arranged Decision Graphs and Particle Swarm Optimization for Model Selection
F.J. Acevedo-Rodríguez, S. Maldonado-Bascón, P. Siegmann, S. Lafuente-Arroyo and P. Gil-Jiménez.
ICANNGA, 2007.
Automatic Control of Video Surveillance Camera Sabotage
P. Gil-Jiménez, R. J. López-Sastre, P. Siegmann, J. Acevedo-Rodríguez, S. Maldonado-Bascón.
IWINAC, 2007.
2006
Road Sign Tracking with a Predictive Filter Solution
S. Lafuente-Arroyo, S. Maldonado-Bascón, P. Gil-Jiménez, H. Gómez-Moreno and F. López-Ferreras.
IEEE Industrial and Electronic Conference, 2006.
An Approach to the Recognition of Information Traffic Sign Based on 2-D Homography and SVMs
A. Vázquez-Reina, R. J. López-Sastre, P. Siegmann, S. Lafuente-Arroyo and H. Gómez-Moreno.
Proceedings of Advanced Concepts for Intelligent Vision Systems, 2006.
Adaptive Traffic Road Sign Panels Text Extraction
A. Vázquez-Reina, R. J. López-Sastre, S. Lafuente-Arroyo and P. Gil-Jiménez.
ISPRA, 2006.
Model Selection for Support Vector Machines Using Ant Colony Optimization in an Electronic Nose Application
F.J. Acevedo-Rodríguez, S. Maldonado-Bascón, S. Lafuente-Arroyo, H. Gómez-Moreno and P. Gil-Jiménez.
ANTS, 2006.
Probabilistic support vector machines for multi-class alcohol identification
F.J. Acevedo-Rodríguez, S. Maldonado-Bascón, E. Domínguez, A. Narváez and F. López-Ferreras.
Sensors and Actuators B, 2006.
2005
Traffic sign shape classification evaluation II: FFT applied to the signature of Blobs
P. Gil-Jiménez, S. Lafuente-Arroyo, H. Gómez-Moreno, F. López-Ferreras and S. Maldonado-Bascón.
IEEE Intelligent Vehicles Simposium, 2005
Traffic sign shape classification evaluation I: SVM using Distance to Borders
S. Lafuente-Arroyo, P. Gil-Jiménez, R. Maldonado-Bascón, F. López-Ferreras and S. Maldonado-Bascón.
IEEE Intelligent Vehicles Simposium, 2005
Shape classification algorithm using support vector machines for traffic sign recognition
P. Gil-Jiménez, S. Lafuente-Arroyo, S. Maldonado-Bascón, and H. Gómez-Moreno.
IWANN, 2005.
Recognition of Mandatory Traffic Signs using the Hausdorff Distance
R. J. López-Sastre, S. Lafuente-Arroyo, P. Siegmann, P. Gil-Jiménez, A. Vázquez-Reina.
ISCGAV, 2005.
2004
Traffic Sign Classification invariant to rotations using support vector machines
S. Lafuente-Arroyo, P. García-Díaz, F.J. Acevedo-Rodríguez, P. Gil-Jiménez and S. Maldonado-Bascón.
Advanced Concepts for Intelligent Vision Systems, 2004.
