2025
The Efficacy of Semantics-Preserving Transformations in Self-Supervised Learning for Medical Ultrasound.
CoRR, April, 2025
2024
A survey of the impact of self-supervised pretraining for diagnostic tasks in medical X-ray, CT, MRI, and ultrasound.
BMC Medical Imaging, December, 2024
Intra-video Positive Pairs in Self-Supervised Learning for Ultrasound.
CoRR, 2024
Heuristic Knowledge Transfer for General Game Playing.
Proceedings of the IEEE Conference on Games, 2024
2023
Improving Humanness of Virtual Agents and Users' Cooperation Through Emotions.
IEEE Trans. Affect. Comput., 2023
A Survey of the Impact of Self-Supervised Pretraining for Diagnostic Tasks with Radiological Images.
CoRR, 2023
Self-Supervised Pretraining Improves Performance and Inference Efficiency in Multiple Lung Ultrasound Interpretation Tasks.
IEEE Access, 2023
The Impact of Social Norm Violations on Participants' Perception of and Trust in a Robot during a Competitive Game Scenario.
Proceedings of the 32nd IEEE International Conference on Robot and Human Interactive Communication, 2023
Sentiments and Bias in Automated Decision Making.
Proceedings of the 1st International Workshop on Multimodal and Responsible Affective Computing, 2023
Exploring the Utility of Self-Supervised Pretraining Strategies for the Detection of Absent Lung Sliding in M-Mode Lung Ultrasound.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023
Social Event Context and Affect Prediction in Group Videos.
Proceedings of the 11th International Conference on Affective Computing and Intelligent Interaction, ACII 2023, 2023
2022
Identity and Dynamic Teams in Social Dilemmas.
CoRR, 2022
A Novel Approach to Fairness in Automated Decision-Making using Affective Normalization.
CoRR, 2022
Value Cores for Inner and Outer Alignment: Simulating Personality Formation via Iterated Policy Selection and Preference Learning with Self-World Modeling Active Inference Agents.
Proceedings of the Active Inference - Third International Workshop, 2022
Emotionally Sensitive Assistive Technology for Ageing.
Proceedings of the 8th International Conference on Information and Communication Technologies for Ageing Well and e-Health, 2022
Socially Interactive Agents for Supporting Aging.
Proceedings of the Handbook on Socially Interactive Agents:20 years of Research on Embodied Conversational Agents, 2022
2021
Effects of Personality Traits on Pull Request Acceptance.
IEEE Trans. Software Eng., 2021
Social Robots for the Care of Persons with Dementia: A Systematic Review.
ACM Trans. Hum. Robot Interact., 2021
Equality and Freedom as Uncertainty in Groups.
Entropy, 2021
Dream to Explore: Adaptive Simulations for Autonomous Systems.
CoRR, 2021
Users, Tasks, and Conversational Agents: A Personality Study.
Proceedings of the HAI '21: International Conference on Human-Agent Interaction, Virtual Event, Japan, November 9, 2021
The Ethics of Emotion in Artificial Intelligence Systems.
Proceedings of the FAccT '21: 2021 ACM Conference on Fairness, 2021
Distance-Based Mapping for General Game Playing.
Proceedings of the 2021 IEEE Conference on Games (CoG), 2021
Trust-ya: design of a multiplayer game for the study of small group processes.
Proceedings of the 2021 IEEE Conference on Games (CoG), 2021
Emotions in Socio-cultural Interactive AI Agents.
Proceedings of the 2021 9th International Conference on Affective Computing and Intelligent Interaction, 2021
2020
The Human Effect Requires Affect: Addressing Social-Psychological Factors of Climate Change with Machine Learning.
CoRR, 2020
Generating Emotionally Aligned Responses in Dialogues using Affect Control Theory.
CoRR, 2020
Multi-Agent Reinforcement Learning and Human Social Factors in Climate Change Mitigation.
CoRR, 2020
Emotional Alignment Between Older Adults and Online Personalities: Implications for Assistive Technologies.
Proceedings of the PervasiveHealth '20: 14th EAI International Conference on Pervasive Computing Technologies for Healthcare, 2020
ALOHA: Artificial Learning of Human Attributes for Dialogue Agents.
Proceedings of the Thirty-Fourth AAAI Conference on Artificial Intelligence, 2020
2019
Follow Alice into the Rabbit Hole: Giving Dialogue Agents Understanding of Human Level Attributes.
CoRR, 2019
"Conservatives Overfit, Liberals Underfit": The Social-Psychological Control of Affect and Uncertainty.
CoRR, 2019
Modeling the Culture of Online Collaborative Groups with Affect Control Theory.
Proceedings of the Advances in Social Simulation, 2019
Keep Calm and Switch On! Preserving Sentiment and Fluency in Semantic Text Exchange.
Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing, 2019
Role of Emotions in Perception of Humanness of Virtual Agents.
Proceedings of the 18th International Conference on Autonomous Agents and MultiAgent Systems, 2019
Deliberative and Affective Reasoning: a Bayesian Dual-Process Model.
Proceedings of the 8th International Conference on Affective Computing and Intelligent Interaction Workshops and Demos, 2019
2018
Zero-Effort Technologies: Considerations, Challenges, and Use in Health, Wellness, and Rehabilitation, Second Edition
Synthesis Lectures on Assistive, Rehabilitative, and Health-Preserving Technologies, Morgan & Claypool Publishers, ISBN: 978-3-031-01603-5, 2018
Emotion and Motivation in Cognitive Assistive Technologies for Dementia.
Computer, 2018
Affective Dynamics and Control in Group Processes.
Proceedings of the Group Interaction Frontiers in Technology Workshop, 2018
Affective Neural Response Generation.
Proceedings of the Advances in Information Retrieval, 2018
Chasing Feet in the Wild: A Proposed Egocentric Motion-Aware Gait Assessment Tool.
Proceedings of the Computer Vision - ECCV 2018 Workshops, 2018
2017
Socio-Affective Agents as Models of Human Behaviour in the Networked Prisoner's Dilemma.
CoRR, 2017
Semi-Supervised Affective Meaning Lexicon Expansion Using Semantic and Distributed Word Representations.
CoRR, 2017
Detecting falls with X-Factor Hidden Markov Models.
Appl. Soft Comput., 2017
Hierarchical Task Recognition and Planning in Smart Homes with Partial Observability.
Proceedings of the Ubiquitous Computing and Ambient Intelligence, 2017
Co-Creating Emotionally Aligned Smart Homes Using Social Psychological Modeling.
Proceedings of the 4th international Workshop on Sensor-based Activity Recognition and Interaction, 2017
Smarter Smart Homes with Social and Emotional Intelligence.
Proceedings of the 4th international Workshop on Sensor-based Activity Recognition and Interaction, 2017
From individual to group-level emotion recognition: EmotiW 5.0.
Proceedings of the 19th ACM International Conference on Multimodal Interaction, 2017
Continuous facial expression recognition for affective interaction with virtual avatar.
Proceedings of the 2017 IEEE International Conference on Image Processing, 2017
How different identities affect cooperation.
Proceedings of the Seventh International Conference on Affective Computing and Intelligent Interaction, 2017
Intelligent and Affectively Aligned Evaluation of Online Health Information for Older Adults.
Proceedings of the Workshops of the The Thirty-First AAAI Conference on Artificial Intelligence, 2017
2016
Review of Fall Detection Techniques: A Data Availability Perspective.
CoRR, 2016
Affect control processes: Intelligent affective interaction using a partially observable Markov decision process.
Artif. Intell., 2016
A study of elderly people's emotional understanding of prompts given by virtual humans.
Proceedings of the 10th EAI International Conference on Pervasive Computing Technologies for Healthcare, 2016
Designing personalized prompts for a virtual assistant to support elderly care home residents.
Proceedings of the 10th EAI International Conference on Pervasive Computing Technologies for Healthcare, 2016
Defining affective identities in elderly nursing home residents for the design of an emotionally intelligent cognitive assistant.
Proceedings of the 10th EAI International Conference on Pervasive Computing Technologies for Healthcare, 2016
<i>dtFall</i>: decision-theoretic framework to report unseen falls.
Proceedings of the 10th EAI International Conference on Pervasive Computing Technologies for Healthcare, 2016
EmotiW 2016: video and group-level emotion recognition challenges.
Proceedings of the 18th ACM International Conference on Multimodal Interaction, 2016
First Impressions - Predicting User Personality from Twitter Profile Images.
Proceedings of the Human Behavior Understanding - 7th International Workshop, 2016
Grounding Social Interaction with Affective Intelligence.
Proceedings of the Advances in Artificial Intelligence, 2016
2015
Energy Efficient Execution of POMDP Policies.
IEEE Trans. Cybern., 2015
Detecting falls with X-Factor HMMs when the training data for falls is not available.
CoRR, 2015
Intelligent Affect: Rational Decision Making for Socially Aligned Agents.
Proceedings of the Thirty-First Conference on Uncertainty in Artificial Intelligence, 2015
Good News or Bad News: Using Affect Control Theory to Analyze Readers' Reaction Towards News Articles.
Proceedings of the NAACL HLT 2015, The 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Denver, Colorado, USA, May 31, 2015
Smart for Life: Designing Smart Home Technologies that Evolve with Users.
Proceedings of the 33rd Annual ACM Conference Extended Abstracts on Human Factors in Computing Systems, 2015
An Exploratory Study into the Use of an Emotionally Aware Cognitive Assistant.
Proceedings of the Artificial Intelligence Applied to Assistive Technologies and Smart Environments, 2015
Bayesian Affect Control Theory of Self.
Proceedings of the Twenty-Ninth AAAI Conference on Artificial Intelligence, 2015
2014
Automatic Task Assistance for People with Cognitive Disabilities in Brushing Teeth - A User Study with the TEBRA System.
ACM Trans. Access. Comput., 2014
Objects, Actions, Places.
Int. J. Comput. Vis., 2014
Relational approach to knowledge engineering for POMDP-based assistance systems as a translation of a psychological model.
Int. J. Approx. Reason., 2014
A Coordinated MDP Approach to Multi-Agent Planning for Resource Allocation, with Applications to Healthcare.
CoRR, 2014
Scalable approximate policies for Markov decision process models of hospital elective admissions.
Artif. Intell. Medicine, 2014
Affectively Aligned Cognitive Assistance Using Bayesian Affect Control Theory.
Proceedings of the Ambient Assisted Living and Daily Activities, 2014
X-Factor HMMs for Detecting Falls in the Absence of Fall-Specific Training Data.
Proceedings of the Ambient Assisted Living and Daily Activities, 2014
2013
Body Movements for Affective Expression: A Survey of Automatic Recognition and Generation.
IEEE Trans. Affect. Comput., 2013
Everyday Patient-Care Technologies for Alzheimer's Disease.
IEEE Pervasive Comput., 2013
Affect Control Processes: Probabilistic and Decision Theoretic Affective Control in Human-Computer Interaction.
CoRR, 2013
Human Movement Analysis: Extension of the F-Statistic to Time Series Using HMM.
Proceedings of the IEEE International Conference on Systems, 2013
On the convergence of techniques that improve value iteration.
Proceedings of the 2013 International Joint Conference on Neural Networks, 2013
Isomorph-Free Branch and Bound Search for Finite State Controllers.
Proceedings of the IJCAI 2013, 2013
Controller Compilation and Compression for Resource Constrained Applications.
Proceedings of the Algorithmic Decision Theory - Third International Conference, 2013
Bayesian Affect Control Theory.
Proceedings of the 2013 Humaine Association Conference on Affective Computing and Intelligent Interaction, 2013
2012
Ambient Assisted Living Technology to Support Older Adults with Dementia with Activities of Daily Living: Key Concepts and the State of the Art.
Proceedings of the Handbook of Ambient Assisted Living, 2012
Sensor-Based Activity Recognition.
IEEE Trans. Syst. Man Cybern. Part C, 2012
People, sensors, decisions: Customizable and adaptive technologies for assistance in healthcare.
ACM Trans. Interact. Intell. Syst., 2012
Comparing elicited gestures to designer-created gestures for selection above a multitouch surface.
Proceedings of the Interactive Tabletops and Surfaces, 2012
LaCasa: Location and context-aware safety assistant.
Proceedings of the 6th International Conference on Pervasive Computing Technologies for Healthcare, 2012
Towards the detection of unusual temporal events during activities using HMMs.
Proceedings of the 2012 ACM Conference on Ubiquitous Computing, 2012
Bayesian Multiple Imputation Approaches for One-Class Classification.
Proceedings of the Advances in Artificial Intelligence, 2012
Analysis of methods for solving MDPs.
Proceedings of the International Conference on Autonomous Agents and Multiagent Systems, 2012
An Ontological Representation Model to Tailor Ambient Assisted Interventions for Wandering.
Proceedings of the Artificial Intelligence for Gerontechnology, 2012
Smart Home, The Next Generation: Closing the Gap between Users and Technology.
Proceedings of the Artificial Intelligence for Gerontechnology, 2012
A Market-Based Coordination Mechanism for Resource Planning Under Uncertainty.
Proceedings of the Twenty-Sixth AAAI Conference on Artificial Intelligence, 2012
2011
Zero Effort Technologies: Considerations, Challenges, and Use in Health, Wellness, and Rehabilitation
Synthesis Lectures on Assistive, Rehabilitative, and Health-Preserving Technologies, Morgan & Claypool Publishers, ISBN: 978-3-031-01593-9, 2011
Rapid specification and automated generation of prompting systems to assist people with dementia.
Pervasive Mob. Comput., 2011
Extending interactions into hoverspace using reflected light.
Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces, 2011
Continuous Correlated Beta Processes.
Proceedings of the IJCAI 2011, 2011
3D Pose tracking of walker users' lower limb with a structured-light camera on a moving platform.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2011
Efficient planning in R-max.
Proceedings of the 10th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2011), 2011
Distributed Control of Situated Assistance in Large Domains with Many Tasks.
Proceedings of the 21st International Conference on Automated Planning and Scheduling, 2011
2010
Automated handwashing assistance for persons with dementia using video and a partially observable Markov decision process.
Comput. Vis. Image Underst., 2010
A tool to promote prolonged engagement in art therapy: design and development from arts therapist requirements.
Proceedings of the 12th International ACM SIGACCESS Conference on Computers and Accessibility, 2010
2009
Automated detection of unusual events on stairs.
Image Vis. Comput., 2009
Learning to recognise behaviours of persons with dementia using multiple cues in an HMM-based approach.
Proceedings of the 2nd International Conference on Pervasive Technologies Related to Assistive Environments, 2009
Ambient kitchen: designing situated services using a high fidelity prototyping environment.
Proceedings of the 2nd International Conference on Pervasive Technologies Related to Assistive Environments, 2009
Design and prototype of a device to engage cognitively disabled older adults in visual artwork.
Proceedings of the 2nd International Conference on Pervasive Technologies Related to Assistive Environments, 2009
Who's Counting? Real-Time Blackjack Monitoring for Card Counting Detection.
Proceedings of the Computer Vision Systems, 2009
2008
NOAH for Wheelchair Users with Cognitive Impairment: Navigation and Obstacle Avoidance Help.
Proceedings of the AI in Eldercare: New Solutions to Old Problems, 2008
Automated Upper Extremity Rehabilitation for Stroke Patients Using a Partially Observable Markov Decision Process.
Proceedings of the AI in Eldercare: New Solutions to Old Problems, 2008
2007
Value-Directed Human Behavior Analysis from Video Using Partially Observable Markov Decision Processes.
IEEE Trans. Pattern Anal. Mach. Intell., 2007
The use of an intelligent prompting system for people with dementia.
Interactions, 2007
2006
A Planning System Based on Markov Decision Processes to Guide People With Dementia Through Activities of Daily Living.
IEEE Trans. Inf. Technol. Biomed., 2006
An analytic solution to discrete Bayesian reinforcement learning.
Proceedings of the Machine Learning, 2006
Visual Capabilities in an Interactive Autonomous Robot.
Proceedings of the Cognitive Vision Systems, 2006
Automated Detection of Unusual Events on Stairs.
Proceedings of the Third Canadian Conference on Computer and Robot Vision (CRV 2006), 2006
Tracking using Flocks of Features, with Application to Assisted Handwashing.
Proceedings of the British Machine Vision Conference 2006, 2006
2005
Solving POMDPs with Continuous or Large Discrete Observation Spaces.
Proceedings of the IJCAI-05, Proceedings of the Nineteenth International Joint Conference on Artificial Intelligence, Edinburgh, Scotland, UK, July 30, 2005
A Decision-Theoretic Approach to Task Assistance for Persons with Dementia.
Proceedings of the IJCAI-05, Proceedings of the Nineteenth International Joint Conference on Artificial Intelligence, Edinburgh, Scotland, UK, July 30, 2005
POMDP Models for Assistive Technology.
Proceedings of the Caring Machines: AI in Eldercare, 2005
2004
Decision Theoretic Modeling of Human Facial Displays.
Proceedings of the Computer Vision, 2004
Value Directed Learning of Gestures and Facial Displays.
Proceedings of the 2004 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR 2004), with CD-ROM, 27 June, 2004
2003
Bayesian Clustering of Optical Flow Fields.
Proceedings of the 9th IEEE International Conference on Computer Vision (ICCV 2003), 2003
2002
Waiting with José, a Vision-Based Mobile Robot.
Proceedings of the 2002 IEEE International Conference on Robotics and Automation, 2002
Clustering Contextual Facial Display Sequences.
Proceedings of the 5th IEEE International Conference on Automatic Face and Gesture Recognition (FGR 2002), 2002
2001
Hierarchical Unsupervised Learning of Facial Expression Categories.
Proceedings of the IEEE Workshop on Detection and Recognition of Events in Video, 2001
2000
APRICODD: Approximate Policy Construction Using Decision Diagrams.
Proceedings of the Advances in Neural Information Processing Systems 13, 2000
Representation and Recognition of Complex Human Motion.
Proceedings of the 2000 Conference on Computer Vision and Pattern Recognition (CVPR 2000), 2000
1999
SPUDD: Stochastic Planning using Decision Diagrams.
Proceedings of the UAI '99: Proceedings of the Fifteenth Conference on Uncertainty in Artificial Intelligence, Stockholm, Sweden, July 30, 1999