Publications

ORCID: 0000-0002-6586-6951Google Scholar

2021

    HapticLock: Eyes-Free Authentication for Mobile Devices
    G. Dhandapani, J. Ferguson, and E. Freeman.
    In Proceedings of 23rd ACM International Conference on Multimodal Interaction – ICMI ’21, accepted to appear. 2021.

    Enhancing Ultrasound Haptics with Parametric Audio Effects
    E. Freeman.
    In Proceedings of 23rd ACM International Conference on Multimodal Interaction – ICMI ’21, accepted to appear. 2021.

    Perception of Ultrasound Haptic Focal Point Motion
    E. Freeman and G. Wilson.
    In Proceedings of 23rd ACM International Conference on Multimodal Interaction – ICMI ’21, accepted to appear. 2021.

    User Preferences for Calming Affective Haptic Stimuli in Social Settings
    S. A. Macdonald, E. Freeman, S. Brewster, and F. Pollick.
    In Proceedings of 23rd ACM International Conference on Multimodal Interaction – ICMI ’21, accepted to appear. 2021.

    Investigating the Effect of Polarity in Auditory and Vibrotactile Displays Under Cognitive Load
    J. Ferguson, E. Freeman, and S. Brewster.
    In Proceedings of 23rd ACM International Conference on Multimodal Interaction – ICMI ’21, accepted to appear. 2021.

    Propagating Visual Designs to Numerous Plots and Dashboards
    S. Khan, P. H. Nguyen, A. Abdul-Rahman, B. Bach, M. Chen, E. Freeman, and C. Turkay.
    In Proceedings of IEEE Visualization & Visual Analytics – VIS ’21, accepted to appear. 2021.

    Towards Adding Pseudo-Haptic Effects to Acoustic Levitation Displays
    M. Reynal, E. Freeman, and S. Brewster.
    In Extended Abstracts of the 2021 CHI Conference on Human Factors in Computing Systems – CHI ’21 EA, Article 335. 2021.

    UltraPower: Powering Tangible & Wearable Devices with Focused Ultrasound
    R. Morales Gonzalez, A. Marzo, E. Freeman, W. Frier, and O. Georgiou.
    In Proceedings of the Fifteenth International Conference on Tangible, Embedded, and Embodied Interaction – TEI ’21, Article 1. 2021.

2020

    A Survey of Mid-Air Ultrasound Haptics and Its Applications
    I. Rakkolainen, E. Freeman, A. Sand, R. Raisamo, and S. Brewster.
    IEEE Transactions on Haptics, vol. 14, pp. 2-19, 2020.

    A Quest for Co-Located Mixed Reality: Aligning and Assessing SLAM Tracking for Same-Space Multi-User Experiences
    M. Mcgill, J. Gugenheimer, and E. Freeman.
    In Proceedings of the 26th ACM Symposium on Virtual Reality Software and Technology – VRST ’20, Article 26. 2020.

    Expanding the Bounds of Seated Virtual Workspaces
    M. Mcgill, A. Kehoe, E. Freeman, and S. Brewster.
    ACM Transactions on Computer-Human Interaction (TOCHI), vol. 27, iss. 3, 2020.

    Avoiding Collisions when Interacting with Levitating Particle Displays
    M. Reynal, E. Freeman, and S. Brewster.
    In Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing Systems – CHI EA ’20, 1-7. 2020.

    Levi-loop: A Mid-Air Gesture Controlled Levitating Particle Game
    R. Morales Gonzalez, E. Freeman, and O. Georgiou.
    In Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing Systems – CHI EA ’20, 1-4. 2020.

2019

    HaptiGlow: Helping Users Position their Hands for Better Mid-Air Gestures and Ultrasound Haptic Feedback
    E. Freeman, D. Vo, and S. Brewster.
    In Proceedings of IEEE World Haptics Conference 2019, the 8th Joint Eurohaptics Conference and the IEEE Haptics Symposium, TP2A.09. 2019.

    Enhancing Physical Objects with Actuated Levitating Particles
    E. Freeman, A. Marzo, P. B. Kourtelos, J. R. Williamson, and S. Brewster.
    In Proceedings of the 8th ACM International Symposium on Pervasive Displays – PerDis ’19, Article 2. 2019.

    Three-in-one: Levitation, Parametric Audio, and Mid-Air Haptic Feedback
    G. Shakeri, E. Freeman, W. Frier, M. Iodice, B. Long, O. Georgiou, and C. Andersson.
    In Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems – CHI EA ’19, Paper INT006. 2019.

    Tangible Interactions with Acoustic Levitation
    A. Marzo, S. Kockaya, E. Freeman, and J. Williamson.
    In Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems – CHI EA ’19, Paper INT005. 2019.

    Tangible Interactions with Acoustically Levitated Voxels
    A. Marzo, O. Ardaiz, S. Kockaya, J. Williamson, and E. Freeman.
    In Proceedings of the XX International Conference on Human Computer Interaction – Interacci�n ’19, Article No. 58. 2019.

2018

    Levitating Particle Displays with Interactive Voxels
    E. Freeman, J. Williamson, P. Kourtelos, and S. Brewster.
    In Proceedings of the 7th ACM International Symposium on Pervasive Displays – PerDis ’18, Article 15. 2018.

    Point-and-Shake: Selecting from Levitating Object Displays
    E. Freeman, J. Williamson, S. Subramanian, and S. Brewster.
    In Proceedings of the 36th Annual ACM Conference on Human Factors in Computing Systems – CHI ’18, Paper 18. 2018.

    Haptic Feedback for Mid-Air Gestures: What, When, How?
    E. Freeman, P. Kourtelos, J. Williamson, and S. Brewster.
    In CHI 2018 Workshop on Mid-Air Haptics for Control Interfaces. 2018.

2017

    Textured Surfaces for Ultrasound Haptic Displays
    E. Freeman, R. Anderson, J. Williamson, G. Wilson, and S. Brewster.
    In Proceedings of 19th ACM International Conference on Multimodal Interaction – ICMI ’17 Demos, 491-492. 2017.

    Rhythmic Micro-Gestures: Discreet Interaction On-the-Go
    E. Freeman, G. Griffiths, and S. Brewster.
    In Proceedings of 19th ACM International Conference on Multimodal Interaction – ICMI ’17, 115-119. 2017.

    Floating Widgets: Interaction with Acoustically-Levitated Widgets
    E. Freeman, R. Anderson, C. Andersson, J. Williamson, and S. Brewster.
    In Proceedings of ACM International Conference on Interactive Surfaces and Spaces – ISS ’17 Demos, 417-420. 2017.

    Multimodal Feedback in HCI: Haptics, Non-speech Audio, and Their Applications
    E. Freeman, G. Wilson, D. Vo, A. Ng, I. Politis, and S. Brewster,
    In The Handbook of Multimodal-Multisensor Interfaces (Eds: S. Oviatt, B. Schuller, P. R. Cohen, D. Sonntag, G. Potamianos, and A. Krüger), pp. 277-317. 2017.

    Levitate: Interaction with Floating Particle Displays
    J. R. Williamson, E. Freeman, and S. Brewster.
    In Proceedings of the 6th ACM International Symposium on Pervasive Displays – PerDis ’17 Demos, Article 24. 2017.

    Audible Beacons and Wearables in Schools: Helping Young Visually Impaired Children Play and Move Independently
    E. Freeman, G. Wilson, S. Brewster, G. Baud-Bovy, C. Magnusson, and H. Caltenco.
    In Proceedings of the 35th Annual ACM Conference on Human Factors in Computing Systems – CHI ’17, 4146-4157. 2017.

2016

    Interaction techniques with novel multimodal feedback for addressing gesture-sensing systems
    E. Freeman.
    In PhD Thesis, University of Glasgow. 2016.

    Automatically Adapting Home Lighting to Assist Visually Impaired Children
    E. Freeman, G. Wilson, and S. Brewster.
    In Proceedings of the 9th Nordic Conference on Human-Computer Interaction – NordiCHI ’16, Article 107. 2016.

    Towards a Multimodal Adaptive Lighting System for Visually Impaired Children
    E. Freeman, G. Wilson, and S. Brewster.
    In Proceedings of the 18th ACM International Conference on Multimodal Interaction – ICMI ’16, 398-399. 2016.

    Multimodal Affective Feedback: Combining Thermal, Vibrotactile, Audio and Visual Signals
    G. Wilson, E. Freeman, and S. Brewster.
    In Proceedings of the 18th ACM International Conference on Multimodal Interaction – ICMI ’16, 400-401. 2016.

    Do That, There: An Interaction Technique for Addressing In-Air Gesture Systems
    E. Freeman, S. Brewster, and V. Lantz.
    In Proceedings of the 34th Annual ACM Conference on Human Factors in Computing Systems – CHI ’16, 2319-2331. 2016.

    Towards Mid-Air Haptic Widgets
    E. Freeman, D. Vo, G. Wilson, G. Shakeri, and S. Brewster.
    In CHI 2016 Workshop on Mid-Air Haptics and Displays: Systems for Un-instrumented Mid-Air Interactions. 2016.

    Using Sound to Help Visually Impaired Children Play Independently
    E. Freeman and S. Brewster.
    In Proceedings of the 2016 CHI Conference Extended Abstracts on Human Factors in Computing Systems – CHI EA ’16, 1670-1676. 2016.

2015

    Interactive Light Feedback: Illuminating Above-Device Gesture Interfaces
    E. Freeman, S. Brewster, and V. Lantz.
    In Interact 2015 Demos. 2015.

    Towards In-Air Gesture Control of Household Appliances with Limited Displays
    E. Freeman, S. Brewster, and V. Lantz.
    In Interact 2015 Posters. 2015.

2014

    Illuminating Gesture Interfaces with Interactive Light Feedback
    E. Freeman, S. Brewster, and V. Lantz.
    In Proceedings of NordiCHI ’14 Beyond the Switch Workshop. 2014.

    Tactile Feedback for Above-Device Gesture Interfaces: Adding Touch to Touchless Interactions
    E. Freeman, S. Brewster, and V. Lantz.
    In Proceedings of the International Conference on Multimodal Interaction – ICMI ’14, 419-426. 2014.

    Rememo: Designing a Multimodal Mobile Reminder App with and for Older Adults
    M. Lennon, G. Hamilton, E. Freeman, and J. Williamson.
    In Mobile HCI ’14 Workshop on Re-imagining Commonly Used Mobile Interfaces for Older Adults. 2014.

    Effective Multimodal Feedback for Around-Device Interfaces
    E. Freeman.
    In Mobile HCI ’14 Doctoral Consortium, 399-400. 2014.

    Towards Usable and Acceptable Above-Device Interactions
    E. Freeman, S. Brewster, and V. Lantz.
    In Mobile HCI ’14 Posters, 459-464. 2014.

2013

    Messy Tabletops: Clearing Up the Occlusion Problem
    E. Freeman and S. Brewster.
    In CHI ’13 Extended Abstracts on Human Factors in Computing Systems, 1515-1520. 2013.

    Designing a Smartpen Reminder System for Older Adults
    J. Williamson, M. McGee-Lennon, E. Freeman, and S. Brewster.
    In CHI ’13 Extended Abstracts on Human Factors in Computing Systems, 73-78. 2013.

    Ultrasonic Haptic Feedback for Gestural Interfaces using a Moveable Hand-Mounted Array
    G. Wilson, E. Freeman, T. Carter, S. A. Seah, S. Brewster, and S. Subramanian.
    In WorldHaptics ’13 Demonstrations. 2013.

2012

    An Exploration of Visual Complexity
    H. C. Purchase, E. Freeman, and J. Hamer.
    In Diagrammatic Representation and Inference, 200-213. 2012.

    Predicting Visual Complexity
    H. C. Purchase, E. Freeman, and J. Hamer.
    In Predicting Perceptions: The 3rd International Conference on Appearance., 62-65. 2012.