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Triggering and measuring neural response indicative of inhibition in humans during conversations with virtual humans (2020)
Thesis
Ahamba, G. Triggering and measuring neural response indicative of inhibition in humans during conversations with virtual humans. (Thesis). University of Salford

The aim of this PhD was to determine if a confrontational virtual human can evoke a response in the prefrontal cortex, indicative of inhibiting an antisocial response. It follows previous studies by Aleksandra Landowska (2018) and Schilbach (2016) de... Read More about Triggering and measuring neural response indicative of inhibition in humans during conversations with virtual humans.

Pain catastrophising predicts alcohol hangover severity and symptoms (2020)
Journal Article
Royle, W., Owen, L., Roberts, D., & Marrow, L. (2020). Pain catastrophising predicts alcohol hangover severity and symptoms. Journal of Clinical Medicine, 9(1), 280. https://doi.org/10.3390/jcm9010280

Alcohol hangover is a cause of considerable social and economic burden. Identification of predictors of alcohol hangover severity have the potential to contribute to reductions in costs associated with both absenteeism/presenteeism and health care. P... Read More about Pain catastrophising predicts alcohol hangover severity and symptoms.

Collaborative virtual reality platform for visualizing space data and mission planning (2019)
Journal Article
Garcia, A., Fernando, T., Roberts, D., Bar, C., Cencetti, M., Engelke, W., & Gerndt, A. (2019). Collaborative virtual reality platform for visualizing space data and mission planning. Multimedia Tools and Applications, 78, 33191-33220. https://doi.org/10.1007/s11042-019-7736-8

This paper presents the system architecture of a collaborative virtual environment in which distributed multidisciplinary teams involved in space exploration activities come together and explore areas of scientific interest of a planet for future mis... Read More about Collaborative virtual reality platform for visualizing space data and mission planning.

Within- and between-session prefrontal cortex response to virtual reality exposure therapy for acrophobia (2018)
Journal Article
Landowska, A., Roberts, D., Eachus, P., & Barrett, A. (2018). Within- and between-session prefrontal cortex response to virtual reality exposure therapy for acrophobia. Frontiers in Human Neuroscience, 12(362), https://doi.org/10.3389/fnhum.2018.00362

Exposure Therapy (ET) has demonstrated its efficacy in the treatment of phobias, anxiety and Post-traumatic Stress Disorder (PTSD), however, it suffers a high drop-out rate because of too low or too high patient engagement in treatment. Virtual Reali... Read More about Within- and between-session prefrontal cortex response to virtual reality exposure therapy for acrophobia.

Gradual and shared immersion in virtual reality exposure therapy (2018)
Presentation / Conference
Roberts, D., Barrett, A., Landowska, A., & Roberts, D. (2018, September). Gradual and shared immersion in virtual reality exposure therapy. Presented at International Conference on Disability, Virtual Reality & Associated Technologies, Nottingham, UK

Exploring the impact of hand movement delays and hand appearance on myoelectric prosthesis embodiment using immersive virtual reality (2017)
Journal Article
Hodrien, A., Galpin, A., Roberts, D., & Kenney, L. (2017). Exploring the impact of hand movement delays and hand appearance on myoelectric prosthesis embodiment using immersive virtual reality. Annual review of cybertherapy and telemedicine (Print), 15,

Prosthesis embodiment, the feeling of a prosthesis being part of the user, is reported by some prosthesis users. Myoelectric prostheses are electrically powered which produce a delay with fixed and variable components. The latter introduces uncertain... Read More about Exploring the impact of hand movement delays and hand appearance on myoelectric prosthesis embodiment using immersive virtual reality.

Triggering and measuring social inhibitory response in humans immersed in interactions with virtual humans (2017)
Journal Article
Ahamba, G., Roberts, D., & Eachus, P. (2017). Triggering and measuring social inhibitory response in humans immersed in interactions with virtual humans. Annual review of cybertherapy and telemedicine (Print), 15, 185-188

The aim of the proposed study is to determine if a virtual human can evoke a measurable inhibitory response to anti-social stimuli within the prefrontal cortex. Justification, protocol and demonstrator are described here. The work follows a previo... Read More about Triggering and measuring social inhibitory response in humans immersed in interactions with virtual humans.

Neural basis of virtual reality exposure threatment (2017)
Journal Article
Landowska, A., Roberts, D., & Eachus, P. (2017). Neural basis of virtual reality exposure threatment. Annual review of cybertherapy and telemedicine (Print), 15, 16-18

Virtual reality exposure therapy (VRET) is an increasingly common treatment for a range of anxiety disorder, specific phobias, PTSD and addictions, however neural mechanisms supporting VRET are yet to be understood. This review summarises existing st... Read More about Neural basis of virtual reality exposure threatment.

Telethrone reconstructed; ongoing testing toward a more natural situated display (2017)
Presentation / Conference
O'Hare, J., Fairchild, A., Wolff, R., & Roberts, D. (2017, February). Telethrone reconstructed; ongoing testing toward a more natural situated display. Presented at The 3rd International AR and VR Conference, Manchester

The concept of supporting ad-hoc or dynamic membership tele-present meetings through pulling up a chair is novel. In real world business situations, people pull up a chair after catching the eye of someone already seated. Telethrone is a situated dis... Read More about Telethrone reconstructed; ongoing testing toward a more natural situated display.

Telethrone reconstructed; ongoing testing toward a more natural situated display (2017)
Presentation / Conference
O'Hare, J., Fairchild, A., Wolff, R., & Roberts, D. (2017, February). Telethrone reconstructed; ongoing testing toward a more natural situated display. Presented at International AR & VR Conference, Manchester, United Kingdom

The concept of supporting ad hoc or dynamic membership tele-present meetings through pulling up a chair is novel. In real world business situations, people pull up a chair after catching the eye of someone already seated. Telethrone is a situated dis... Read More about Telethrone reconstructed; ongoing testing toward a more natural situated display.

Testing the potential of combining functional near-infrared spectroscopy with different virtual reality displays - Oculus Rift and oCtAVE (2017)
Presentation / Conference
Landowska, A., Royle, W., Eachus, P., & Roberts, D. (2017, February). Testing the potential of combining functional near-infrared spectroscopy with different virtual reality displays - Oculus Rift and oCtAVE. Presented at International AR & VR Conference, Manchester, United Kingdom

The aim of this pilot study was to assess the pros and cons of combining mobile neuroimaging with two different styles of highly immersive displays: one that is worn on the head; and the other that is entered. Specifically wearable Functional Near In... Read More about Testing the potential of combining functional near-infrared spectroscopy with different virtual reality displays - Oculus Rift and oCtAVE.

Bringing the client and therapist together in virtual reality telepresence exposure therapy (2016)
Book Chapter
Roberts, D., Fairchild, A., Campion, S., Garcia Jimenez, A., & Wolff, R. (2016). Bringing the client and therapist together in virtual reality telepresence exposure therapy. In P. Sharkey, & A. Rizzo (Eds.), Proceedings of the 11th international conference on disability, virtual reality and associated technologies (ICDVRAT 2016) (157-163). University of Reading

We present a technology demonstrator of the potential utility of our telepresence approach to supporting tele-therapy, in which client and remote therapist are immersed together. The aim is to demonstrate an approach in which a wide range of non-verb... Read More about Bringing the client and therapist together in virtual reality telepresence exposure therapy.

A mixed reality telepresence system for collaborative space operation (2016)
Journal Article
collaborative space operation. IEEE Transactions on Circuits and Systems for Video Technology, 27(4), 814-827. https://doi.org/10.1109/TCSVT.2016.2580425

This paper presents a Mixed Reality system that results from the integration of a telepresence system and an application to improve collaborative space exploration. The system combines free viewpoint video with immersive projection technology to supp... Read More about A mixed reality telepresence system for collaborative space operation.

A collaborative workspace architecture for strengthening collaboration among space scientists (2015)
Presentation / Conference
Garcia Jimenez, A., Roberts, D., Fernando, T., Bar, C., Wolff, R., Dodiya, J., …Gerndt, A. (2015, March). A collaborative workspace architecture for strengthening collaboration among space scientists. Presented at Institute of Electrical and Electronics Engineers Aerospace Conference 2015, Montana, US

Space exploration missions have produced large data of immense value, to both research and the planning and operating of future missions. However, current datasets and simulation tools fragment teamwork, especially across disciplines and geographical... Read More about A collaborative workspace architecture for strengthening collaboration among space scientists.

Collaborative telepresence workspaces for space operation and science (2015)
Book Chapter
Roberts, D., Garcia Jimenez, A., Dodiya, J., Wolff, R., Fairchild, A., & Fernando, T. (2015). Collaborative telepresence workspaces for space operation and science. In T. Hollerer, V. Interrante, A. Lecuyer, & J. Swan (Eds.), 2015 IEEE VIRTUAL REALITY CONFERENCE (275-276). Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/VR.2015.7223402

We introduce the collaborative telepresence workspaces for SPACE operation and science that are under development in the European research project CROSS DRIVE. The vision is to give space mission controllers and scientists the impression of “beaming... Read More about Collaborative telepresence workspaces for space operation and science.

With you – an experimental end-to-end telepresence system using video-based reconstruction (2015)
Journal Article
Roberts, D., O'Hare, J., Fairchild, A., Campion, S., Moore, C., Aspin, R., …Tecchia, F. (2015). With you – an experimental end-to-end telepresence system using video-based reconstruction. IEEE Journal of Selected Topics in Signal Processing, 9(3), 562-574. https://doi.org/10.1109/JSTSP.2015.2402635

We introduce withyou, our telepresence research platform. A systematic explanation of the theory brings together the linked nature of non-verbal communication and how it is influenced by technology. This leads to functional requirements for teleprese... Read More about With you – an experimental end-to-end telepresence system using video-based reconstruction.

Controlling viewpoint from markerless head tracking in an immersive ball game using a commodity depth-based camera (2015)
Journal Article
Greuter, S., & Roberts, D. (2015). Controlling viewpoint from markerless head tracking in an immersive ball game using a commodity depth-based camera. Journal of Simulation, 9(1), 54-63. https://doi.org/10.1057/jos.2014.19

We present the use of commodity depth-based cameras to control viewpoint from passive unencumbered head tracking. This allowed participants to maintain correct perspective while playing an immersive computer ball game, without the need to wear device... Read More about Controlling viewpoint from markerless head tracking in an immersive ball game using a commodity depth-based camera.

Using virtual environments to test the effects of life like architecture on people (2014)
Book Chapter
Adi, M., & Roberts, D. (2014). Using virtual environments to test the effects of life like architecture on people. In A. Brooks, S. Brahnam, & L. Jain (Eds.), Technologies of Inclusive Well-Being: Serious Games, Alternative Realities, and Play Therapy (261-285). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-45432-5_13

While traditionally associated with stability, sturdiness and anchoring, architecture is more than a container protecting from the elements. It is a place that influences state of mind and productivity of those within it. On the doorstep of adaptive... Read More about Using virtual environments to test the effects of life like architecture on people.

Estimating the gaze of a virtuality human (2013)
Journal Article
Roberts, D., Rae, J., Duckworth, T., & Moore, C. (2013). Estimating the gaze of a virtuality human. IEEE Transactions on Visualization and Computer Graphics, 19(4), 681-690. https://doi.org/10.1109/TVCG.2013.30

The aim of our experiment is to determine if eye-gaze can be estimated from a virtuality human: to within the accuracies that underpin social interaction; and reliably across gaze poses and camera arrangements likely in every day settings. The scene... Read More about Estimating the gaze of a virtuality human.

Parallel processing for real-time 3D reconstruction from video streams (2012)
Journal Article
Duckworth, T., & Roberts, D. (2014). Parallel processing for real-time 3D reconstruction from video streams. Journal of Real-Time Image Processing, 9(3), 427-445. https://doi.org/10.1007/s11554-012-0306-1

Our ultimate aim was to achieve commodity telepresence systems capable of communicating both what someone looks like and what, within the technology joined space, they are looking at. Towards this we have implemented a previously distributed approach... Read More about Parallel processing for real-time 3D reconstruction from video streams.