Johan Pieter de Villiers

According to our database, Johan Pieter de Villiers authored at least 57 papers between 2004 and 2024.

Collaborative distances:

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

2024

End-to-end automated speech recognition using a character based small scale transformer architecture.

Alexander Loubser, Johan Pieter de Villiers, Allan De Freitas

Expert Syst. Appl., 2024

Video-based sequential Bayesian homography estimation for soccer field registration.

Paul J. Claasen, Johan Pieter de Villiers

Expert Syst. Appl., 2024

Interacting Multiple Model-based Joint Homography Matrix and Multiple Object State Estimation.

Paul J. Claasen, Johan Pieter de Villiers

CoRR, 2024

2023

Qualitative Models of Data Generation Processes: Facilitating Data-Intensive AI Solutions.

Gregor Pavlin, Kathryn B. Laskey, Franck Mignet, Filip S. Slijkhuis, Erik Blasch, Valentina Dragos, Johan Pieter de Villiers, Lennard Jansen

Proceedings of the 26th International Conference on Information Fusion, 2023

Uncertain about ChatGPT: enabling the uncertainty evaluation of large language models.

Anne-Laure Jousselme, Johan Pieter de Villiers, Allan De Freitas, Erik Blasch, Valentina Dragos, Gregor Pavlin, Paulo C. G. Costa, Kathryn B. Laskey, Claire Laudy

Proceedings of the 26th International Conference on Information Fusion, 2023

URREF Risk analysis towards Data Fusion Certification.

Erik Blasch, Anne-Laure Jousselme, Kathryn B. Laskey, Paulo C. G. Costa, Johan Pieter de Villiers, Gregor Pavlin, Claire Laudy

Proceedings of the 26th International Conference on Information Fusion, 2023

2022

Feedback-Assisted Automatic Target and Clutter Discrimination Using a Bayesian Convolutional Neural Network for Improved Explainability in SAR Applications.

Nicholas Blomerus, Jacques Cilliers, Willie Nel, Erik Blasch, Johan Pieter de Villiers

Remote. Sens., December, 2022

The complementarity of a diverse range of deep learning features extracted from video content for video recommendation.

Adolfo Almeida, Johan Pieter de Villiers, Allan De Freitas, Mergandran Velayudan

Expert Syst. Appl., 2022

Comparision Of Adversarial And Non-Adversarial LSTM Music Generative Models.

Moseli Mots'oehli, Anna Sergeevna Bosman, Johan Pieter de Villiers

CoRR, 2022

Continuous Model Evaluation and Adaptation to Distribution Shifts: A Probabilistic Self-Supervised Approach.

Gregor Pavlin, Johan Pieter de Villiers, Kathryn B. Laskey, Franck Mignet, Lennard Jansen

Proceedings of the 25th International Conference on Information Fusion, 2022

Particle-balanced context-based filtering for hypothesis maintenance in sparse sensor coverage situations.

P. Nell, Allan De Freitas, Gregor Pavlin, Johan Pieter de Villiers

Proceedings of the 25th International Conference on Information Fusion, 2022

2021

Simulation-based optimisation of the timing of loan recovery across different portfolios.

Arno Botha, Conrad Beyers, Johan Pieter de Villiers

Expert Syst. Appl., 2021

Uncertainty Evaluation of Temporal Trust in a Fusion System Using the URREF Ontology.

Johan Pieter de Villiers, Gregor Pavlin, Jürgen Ziegler, Anne-Laure Jousselme, Paulo C. G. Costa, Eric Blasch, Kathryn B. Laskey, Claire Laudy, Alta de Waal, Jin-Hee Cho

Proceedings of the 24th IEEE International Conference on Information Fusion, 2021

Relations Between Explainability, Evaluation and Trust in AI-Based Information Fusion Systems.

Gregor Pavlin, Johan Pieter de Villiers, Jürgen Ziegler, Anne-Laure Jousselme, Paulo C. G. Costa, Kathryn B. Laskey, Alta de Waal, Erik Blasch, Lennard Jansen

Proceedings of the 24th IEEE International Conference on Information Fusion, 2021

Improved Explainability through Uncertainty Estimation in Automatic Target Recognition of SAR Images.

Nicholas Blomerus, Johan Pieter de Villiers, Willie Nel

Proceedings of the 24th IEEE International Conference on Information Fusion, 2021

Use of the URREF towards Information Fusion Accountability Evaluation.

Erik Philip Blasch, Johan Pieter de Villiers, Gregor Pavin, Anne-Laure Jousselme, Paulo C. G. Costa, Kathryn B. Laskey, Jurgen Ziegler

Proceedings of the 24th IEEE International Conference on Information Fusion, 2021

2020

Exploring the multimodal information from video content using deep learning features of appearance, audio and action for video recommendation.

Adolfo Almeida, Johan Pieter de Villiers, Allan De Freitas, Mergandran Velayudan

CoRR, 2020

A Gamma-Poisson Mixture Topic Model for Short Text.

Jocelyn Mazarura, Alta de Waal, Johan Pieter de Villiers

CoRR, 2020

Evaluation of a Pure-Strategy Stackelberg Game for Wildlife Security in a Geospatial Framework.

Lisa-Ann Kirkland, Alta de Waal, Johan Pieter de Villiers

Proceedings of the Artificial Intelligence Research, 2020

Comparison of early and late fusion techniques for movie trailer genre labelling.

J. H. Mervitz, Johan Pieter de Villiers, J. P. Jacobs, M. H. O. Kloppers

Proceedings of the IEEE 23rd International Conference on Information Fusion, 2020

Dashcam based wildlife detection and classification using fused data sets of digital photographic and simulated imagery.

Bianca A. Ferreira, Johan Pieter de Villiers, Allan De Freitas

Proceedings of the IEEE 23rd International Conference on Information Fusion, 2020

Extended Rigid Multi-Target Tracking in Dense Point Clouds with Probabilistic Occlusion Reasoning.

Seffat M. Chowdhury, Johan Pieter de Villiers

Proceedings of the IEEE 23rd International Conference on Information Fusion, 2020

Visual comparison of statistical feature aggregation methods for video-based similarity applications.

Adolfo Almeida, Johan Pieter de Villiers, Allan De Freitas, Mergandran Velayudan

Proceedings of the IEEE 23rd International Conference on Information Fusion, 2020

2019

Semantic representations for under-resourced languages.

Jocelyn Mazarura, Alta de Waal, Johan Pieter de Villiers

Proceedings of the South African Institute of Computer Scientists and Information Technologists, 2019

Deep Learning and Statistical Models for Time-Critical Pedestrian Behaviour Prediction.

Joel Janek Dabrowski, Johan Pieter de Villiers, Ashfaqur Rahman, Conrad Beyers

Proceedings of the Neural Information Processing - 26th International Conference, 2019

Online System Evaluation and Learning of Data Source Models: a Probabilistic Generative Approach.

Gregor Pavlin, Anne-Laure Jousselme, Johan Pieter de Villiers, Paulo C. G. Costa, Kathryn B. Laskey, Franck Mignet, Alta de Waal

Proceedings of the 22th International Conference on Information Fusion, 2019

Simulating Null Games for Uncertainty Evaluation in Green Security Games.

Lisa Kirkland, Alta de Waal, Johan Pieter de Villiers

Proceedings of the 22th International Conference on Information Fusion, 2019

Global Optimization for Resource Allocation in a Networked-Surveillance Radar.

Allan De Freitas, Richard W. Focke, Conrad Beyers, Johan Pieter de Villiers

Proceedings of the 22th International Conference on Information Fusion, 2019

Entropy-Based Metrics for URREF Criteria to Assess Uncertainty in Bayesian Networks for Cyber Threat Detection.

Valentina Dragos, Jürgen Ziegler, Johan Pieter de Villiers, Alta de Waal, Anne-Laure Jousselme, Erik Blasch

Proceedings of the 22th International Conference on Information Fusion, 2019

Uncertainty Ontology for Veracity and Relevance.

Erik Philip Blasch, Carlos C. Insaurralde, Paulo C. G. Costa, Alta de Waal, Johan Pieter de Villiers

Proceedings of the 22th International Conference on Information Fusion, 2019

2018

Naïve Bayes switching linear dynamical system: A model for dynamic system modelling, classification, and information fusion.

Joel Janek Dabrowski, Johan Pieter de Villiers, Conrad Beyers

Inf. Fusion, 2018

Micro-Doppler radar classification of humans and animals in an operational environment.

W. D. van Eeden, Johan Pieter de Villiers, Robert John Berndt, Willem A. J. Nel, Erik Blasch

Expert Syst. Appl., 2018

Towards the Rational Development and Evaluation of Complex Fusion Systems: A URREF-Driven Approach.

Gregor Pavlin, Anne-Laure Jousselme, Johan Pieter de Villiers, Paulo C. G. Costa, Patrick de Oude

Proceedings of the 21st International Conference on Information Fusion, 2018

High-Level Tracking Using Bayesian Context Fusion.

Patrick de Oude, Gregor Pavlin, Johan Pieter de Villiers

Proceedings of the 21st International Conference on Information Fusion, 2018

Response Surface Modeling for Networked Radar Resource Allocation.

Allan De Freitas, Richard W. Focke, Johan Pieter de Villiers

Proceedings of the 21st International Conference on Information Fusion, 2018

Application of URREF Criteria to Assess Knowledge Representation in Cyber Threat Models.

Valentina Dragos, Jürgen Ziegler, Johan Pieter de Villiers

Proceedings of the 21st International Conference on Information Fusion, 2018

2017

Context-based behaviour modelling and classification of marine vessels in an abalone poaching situation.

Joel Janek Dabrowski, Johan Pieter de Villiers, Conrad Beyers

Eng. Appl. Artif. Intell., 2017

Subjects under evaluation with the URREF ontology.

Johan Pieter de Villiers, Gregor Pavlin, Paulo C. G. Costa, Anne-Laure Jousselme, Kathryn Blackmond Laskey, Valentina Dragos, Erik Blasch

Proceedings of the 20th International Conference on Information Fusion, 2017

Evaluation metrics for the practical application of URREF ontology: An illustration on data criteria.

Johan Pieter de Villiers, Richard W. Focke, Gregor Pavlin, Anne-Laure Jousselme, Valentina Dragos, Kathryn Blackmond Laskey, Paulo C. G. Costa, Erik Blasch

Proceedings of the 20th International Conference on Information Fusion, 2017

2016

Systemic banking crisis early warning systems using dynamic Bayesian networks.

Joel Janek Dabrowski, Conrad Beyers, Johan Pieter de Villiers

Expert Syst. Appl., 2016

Bayesian Inference in Dynamic Domains using Logical OR Gates.

Rik Claessens, Alta de Waal, Johan Pieter de Villiers, Ate Penders, Gregor Pavlin, Karl Tuyls

Proceedings of the ICEIS 2016, 2016

Construction and evaluation of Bayesian networks with expert-defined latent variables.

Alta de Waal, Hildegarde Koen, Johan Pieter de Villiers, Henk Roodt, Nyalleng Moorosi, Gregor Pavlin

Proceedings of the 19th International Conference on Information Fusion, 2016

Uncertainty evaluation of data and information fusion within the context of the decision loop.

Johan Pieter de Villiers, Anne-Laure Jousselme, Alta de Waal, Gregor Pavlin, Kathryn B. Laskey, Erik Blasch, Paulo C. G. Costa

Proceedings of the 19th International Conference on Information Fusion, 2016

Speeding up IA mechanically-steered multistatic radar scheduling with GP-GPUs.

Richard W. Focke, Johan Pieter de Villiers, Michael R. Inggs

Proceedings of the 19th International Conference on Information Fusion, 2016

Pragmatic data fusion uncertainty concerns: Tribute to Dave L. Hall.

Erik Blasch, Paulo C. G. Costa, Johan Pieter de Villiers, Kathryn B. Laskey, James Llinas, Anne-Laure Jousselme

Proceedings of the 19th International Conference on Information Fusion, 2016

2015

Interval Algebra - An effective means of scheduling surveillance radar networks.

Richard W. Focke, Johan Pieter de Villiers, Michael R. Inggs

Inf. Fusion, 2015

Maritime piracy situation modelling with dynamic Bayesian networks.

Joel Janek Dabrowski, Johan Pieter de Villiers

Inf. Fusion, 2015

A unified model for context-based behavioural modelling and classification.

Joel Janek Dabrowski, Johan Pieter de Villiers

Expert Syst. Appl., 2015

Uncertainty representation, quantification and evaluation for data and information fusion.

Johan Pieter de Villiers, Kathryn B. Laskey, Anne-Laure Jousselme, Erik Blasch, Alta de Waal, Gregor Pavlin, Paulo Cesar G. da Costa

Proceedings of the 18th International Conference on Information Fusion, 2015

Multi-Agent Target Tracking using Particle Filters enhanced with Context Data: (Demonstration).

Rik Claessens, Alta de Waal, Johan Pieter de Villiers, Ate Penders, Gregor Pavlin, Karl Tuyls

Proceedings of the 2015 International Conference on Autonomous Agents and Multiagent Systems, 2015

2014

A URREF interpretation of Bayesian network information fusion.

Johan Pieter de Villiers, Gregor Pavlin, Paulo Cesar G. da Costa, Kathryn B. Laskey, Anne-Laure Jousselme

Proceedings of the 17th International Conference on Information Fusion, 2014

A framework for inferring predictive distributions of rhino poaching events through causal modelling.

Hildegarde Koen, Johan Pieter de Villiers, Gregor Pavlin, Alta de Waal, Patrick de Oude, Franck Mignet

Proceedings of the 17th International Conference on Information Fusion, 2014

2013

Track-stitching using graphical models and message passing.

Lynette Jean van der Merwe, Johan Pieter de Villiers

Proceedings of the 16th International Conference on Information Fusion, 2013

2012

Consistent haul road condition monitoring by means of vehicle response normalisation with Gaussian processes.

T. Heyns, Johan Pieter de Villiers, P. Stephan Heyns

Eng. Appl. Artif. Intell., 2012

Multiple scatterer tracking in high range resolution radar.

Allan De Freitas, Johan Pieter de Villiers

Proceedings of the 15th International Conference on Information Fusion, 2012

2011

Implementing Interval Algebra to schedule mechanically scanned multistatic radars.

Richard W. Focke, L. O. Wabeke, Johan Pieter de Villiers, Michael R. Inggs

Proceedings of the 14th International Conference on Information Fusion, 2011

2004

On the convexity of the LCCM cost function for DS-CDMA blind multiuser detection.

Johan Pieter de Villiers, L. P. Linde

IEEE Commun. Lett., 2004