Publications
a list of current and past topics
Compact Facial Landmark Layouts for Performance Capture
Eduard Zell, Rachel McDonnell
Computer Graphics Forum (Eurographics), to appear 2022
Sympathy for the digital: influence of synthetic voice on affinity, social presence and empathy for photorealistic virtual humans
Darragh Higgins, Katja Zibrek, Joao Paulo Cabral, Donal Egan, Rachel McDonnell
Computer and Graphics, to appear 2022
Investigating How Speech And Animation Realism Influence The Perceived Personality Of Virtual Characters And Agents
Sean Thomas, Ylva Ferstl, Rachel McDonnell, Cathy Ennis
In IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR), to appear 2022
Proximity in VR: The Importance of Character Attractiveness and Participant Gender
Katja Zibrek, Benjamin Niay, Anne-Hélène Olivier, Ludovic Hoyet, Julien Pettré, Rachel McDonnell
IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR), to appear 2022
The Effect of Spatial Audio on the Virtual Representation of Personal Space
Lauren Buck, Mauricio Flores Vargas, Rachel McDonnell
IEEE VR Workshop on Sonic Interaction in Virtual Environments (SIVE), to appear 2022
Appearance
Rachel McDonnell, Bilge Mutlu
In B. Lugrin, C. Pelachaud, D. Traum (Eds.), Handbook on Socially Interactive Agents – 20 Years of Research on Embodied Conversational Agents, Intelligent Virtual Agents, and Social Robotics, Volume 1: Methods, Behavior, Cognition (pp. 107-146). ACM books
How to train your dog: Neural enhancement of quadruped animations
Donal Egan, George Fletcher, Yiguo Qiao, Darren Cosker, Rachel McDonnell
ACM Conference on Motion, Interaction, and Games (MIG), Article No: 5, 1-7, 2021
Does Synthetic Voice alter Social Response to a Photorealistic Character in Virtual Reality?
Katja Zibrek, Joao P. Cabral, Rachel McDonnell
ACM Conference on Motion, Interaction, and Games (MIG), to appear 2021
The effect of audio-visual smiles on social influence in a cooperative Human-Agent Interaction task
Ilaria Torre, Emma Carrigan, Katarina Domijan, Rachel McDonnell and Naomi Harte
ACM Transactions on Computer-Human Interaction (TOCHI), Volume 28, Issue 6, Article No: 44, 1--38, 2021
Mirror, Mirror on My Phone: Investigating Dimensions of Self-Face Perception Induced by Augmented Reality Filters
Rebecca Fribourg, Etienne Peillard, Rachel McDonnell
IEEE International Symposium on Mixed and Augmented Reality (ISMAR), pp. 470-478, 2021
Human or Robot? Investigating voice, appearance and gesture motion realism of conversational social agents
Ylva Ferstl, Sean Thomas, Cedric Guiard, Cathy Ennis, Rachel McDonnell
ACM International Conference on Intelligent Virtual Agents (IVA), (Best Paper - Honorable Mention), Article No.12, 2021
Remotely Perceived: Investigating the Influence of Valence on Self-Perception and Social Experience for Dyadic Video-Conferencing with Personalized Avatars
Darragh Higgins, Rebecca Fribourg, Rachel McDonnell
Frontiers in Virtual Reality, Volume 2, Issue 60, 2021
Model for predicting perception of facial action unit activation using virtual humans
Rachel McDonnell, Katja Zibrek, Emma Carrigan and Rozenn Dahyot
Elsevier Computers & Graphics, MIG Special Section, volume 100, 81--92, 2021
Ascending from the valley: Can state-of-the-art photorealism avoid the uncanny?
Darragh Higgins, Donal Egan, Rebecca Fribourg, Benjamin R. Cowan, Rachel McDonnell
ACM Symposium on Applied Perception (SAP), Article No. 7, pp 1-5, 2021
Evaluating Study Design and Strategies for Mitigating the Impact of Hand Tracking Loss
Ylva Ferstl, Rachel McDonnell and Michael Neff
ACM Symposium on Applied Perception (SAP), Article No: 3, 1--12, September 2021
Facial feature manipulation for trait portrayal in realistic and cartoon-rendered characters
Ylva Ferstl, Michael McKay and Rachel McDonnell
ACM Transactions on Applied Perception (TAP), Volume 18, Issue 4, Article No.: 22, pp 1–8, 2021
ExpressGesture: Expressive gesture generation from speech through database matching
Ylva Ferstl, Michael Neff, Rachel McDonnell
Computer Animation and Virtual Worlds, CASA Special Edition, 2021
It's A Match! Gesture Generation Using Expressive Parameter Matching
Ylva Ferstl, Michael Neff, Rachel McDonnell
AAMAS '21: Proceedings of the 20th International Conference on Autonomous Agents and MultiAgent Systems, pp 1495–1497, 2021
Dimensional perception of a ‘smiling McGurk effect’
Ilaria Torre, Simon Holk, Emma Carrigan, Iolanda Leite, Rachel McDonnell and Naomi Harte
International Conference on Affective Computing and Intelligent Interaction (ACII), to appear 2021
Enlighten Me: Importance of brightness and shadow for character emotion and appeal
Pisut Wisessing, Katja Zibrek, Douglas W. Cunningham, John Dingliana, Rachel McDonnell
ACM Transactions on Graphics, Volume 39, Issue 3, Article No. 19, 2020
Adversarial gesture generation with realistic gesture phasing
Ylva Ferstl, Michael Neff, Rachel McDonnell
Computers and Graphics, Volume 89, pp. 117-130, 2020
Developing a Multi-modal Embodied Virtual Agent with Realistic Appearance and Emotional Response for Games
Rachel McDonnell, Edvinas Teiserskis, Emer Gilmartin, Cedric Guiard, Gerard Lacey
In MIG '20: Proceedings of the ACM SIGGRAPH Conference on Motion, Interaction and Games, to appear, 2020
Understanding the Predictability of Gesture Parameters from Speech and their Perceptual Importance
Ylva Ferstl, Michael Neff, Rachel McDonnell
International Conference on Intelligent Virtual Agents (IVA), to appear, 2020
Investigating perceptually based models to predict importance of facial blendshapes
Emma Carrigan, Katja Zibrek, Rozenn Dahyot, Rachel McDonnell
In MIG '20: Proceedings of the ACM SIGGRAPH Conference on Motion, Interaction and Games (Best Short Paper Award), to appear, 2020
From Perception to Interaction with Virtual Characters
Eduard Zell, Katja Zibrek, Xueni Pan, Marco Gillies, Rachel McDonnell
Eurographics Tutorial, 2020
Expression Packing: As-Few-As-Possible Training Expressions for Blendshape Transfer
Emma Carrigan, Eduard Zell, Cedric Guiard, Rachel McDonnell
Computer Graphics Forum (Eurographics), Volume 39, Issue 2, pp. 219-233, 2020
The effect of gender and attractiveness of motion on proximity in virtual reality
Katja Zibrek, Benjamin Niay, Anne-Helene Olivier, Ludovic Hoyet, Julien Pettre and Rachel McDonnell
ACM Transactions on Applied Perception (Best Paper - Honorable mention), Article No.: 14, pp 1–15, 2020
Evalu-light: A practical approach for evaluating character lighting in real-time
Pisut Wisessing and Rachel McDonnell
ACM Symposium on Applied Perception, Article No. 17, 2020
Walk this way: Evaluating the effect of perceived gender and attractiveness of motion on proximity in virtual reality
Katja Zibrek, Benjamin Niay, Anne-Helene Olivier, Ludovic Hoyet, Julien Pettre and Rachel McDonnell
IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), pp. 169-170, 2020
Perception of Virtual Characters
Eduard Zell, Katja Zibrek, Rachel McDonnell
SIGGRAPH Course 2019
A phychophysical model to control the brightness and key-to-fill ratio in CG cartoon character lighting
Pisut Wisessing, Katja Zibrek, Douglas Cunningham, Rachel McDonnell
In SAP '19: Proceedings of the ACM Symposium on Applied Perception, Article No. 2, 2019
Is photorealism important for perception of expressive virtual humans in VR?
Katja Zibrek, Sean Martin, Rachel McDonnell
ACM Transactions on Applied Perception (Best Paper Award), 16 (3), Article No. 14, 2019
Multi-objective adversarial gesture generation
Ylva Ferstl, Michael Neff, Rachel McDonnell
In MIG '19: Proceedings of the ACM SIGGRAPH Conference on Motion, Interaction and Games, Article No. 3, pp. 1-10, 2019
Social presence and place illusion are affected by photorealism in embodied VR
Katja Zibrek, Rachel McDonnell
In MIG '19: Proceedings of the ACM SIGGRAPH Conference on Motion, Interaction and Games, Article No. 13, pp. 1-7, 2019
The Effect of Multimodal Emotional Expression and Agent Appearance on Trust in Human-Agent Interaction
Ilaria Torre, Emma Carrigan, Rachel McDonnell, Katarina Domijan, Killian McCabe, Naomi Harte
In MIG '19: Proceedings of the ACM SIGGRAPH Conference on Motion, Interaction and Games, Article No. 14, pp. 1-6, 2019
A perceptual study on the manipulation of facial features for trait portrayal in virtual agents
Ylva Ferstl, Rachel McDonnell
International Conference on Intelligent Virtual Agents (IVA), pp. 281-288, 2018
Investigating the use of recurrent motion modelling for speech gesture generation
Ylva Ferstl, Rachel McDonnell
International Conference on Intelligent Virtual Agents (IVA), pp. 93-98, 2018
Survival at the museum: A cooperation experiment with emotionally expressive avatars
Ilaria Torre, Emma Carrigan, Killian McCabe, Rachel McDonnell, Naomi Harte
International Conference on Multimodal Interaction (ICMI), pp. 423-427, 2018
A Preliminary Investigation into the Impact of Training for Example-Based Facial Blendshape Creation
Emma Carrigan, Ludovic Hoyet, Rachel McDonnell, Quentin Avril
In Eurographics Short Papers, pp. 49-52, 2018
The Effect of Realistic Appearance of Virtual Characters in Immersive Environments - Does the Character’s Personality Play a Role?
Katja Zibrek, Elena Kokkinara, Rachel McDonnell
IEEE Transactions on Visualization and Computer Graphics, 99, 1-1, 2018
Data-Driven Approach to Synthesizing Facial Animation Using Motion Capture
Kerstin Ruhland, Mukta Prasad, Rachel McDonnell
IEEE Computer Graphics and Applications, 37 (4), 30-41, 2017
Facial features of non-player creatures can influence moral decisions in video games
Ylva Ferstl, Elena Kokkinara, Rachel McDonnell
ACM Transactions on Applied Perception, 15 (1), Article No. 4, 2017
Don't Stand So Close To Me: Investigating the effect of control on the appeal of virtual humans using immersion and a proximity-based behavioral task
Katja Zibrek, Elena Kokkinara, Rachel McDonnell
In SAP '17: Proceedings of the ACM Symposium on Applied Perception, Article No. 3, 2017
The Influence of Synthetic Voice on the Evaluation of a Virtual Character
Joao Cabral, Benjamin Cowan, Katja Zibrek, Rachel McDonnell
In Interspeech 2017, pp 229 - 233, 2017
Automatic gesture generation for virtual humans with deep temporal learning
Ylva Ferstl, Rachel McDonnell
In VSI '17: 3rd Workshop on Virtual Social Interaction
Evaluating the response to virtual characters by using a social behavioral task
Katja Zibrek, Elena Kokkinara, Rachel McDonnell
In VSI '17: 3rd Int. Workshop on Virtual Social Interaction
Crowd appearance affects player performance in game combat scenarios
Emma Carrigan, Elena Kokkinara, Florian Gheorghe, Maxime Houlier, Stephane Donikian, Rachel McDonnell
In MIG '16: Proceedings of the ACM Conference on Motion in Games, pp 187 - 192, 2016
Improving blendshape performance for crowds with GPU and GPGPU Techniques
Timothy Costigan, Anton Gerdelan, Emma Carrigan, Rachel McDonnell
In MIG '16: Proceedings of the ACM Conference on Motion in Games, pp 73 - 78, 2016
Perception of lighting and shading for animated virtual characters
Pisut Wisessing, John Dingliana, Rachel McDonnell
In SAP '16: Proceedings of the ACM Symposium on Applied Perception, pp 25-29, 2016
Do I trust you, abstract creature? a study on personality perception of abstract virtual faces
Ylva Ferstl, Elena Kokkinara, Rachel McDonnell
In SAP '16: Proceedings of the ACM Symposium on Applied Perception, pp 39-43, 2016
To Stylize or not to Stylize? Effect of Shape and Material Stylization on the Perception of Computer Generated Faces
Eduard Zell, Carlos Aliaga, Adrian Jarabo, Katja Zibrek, Diego Gutierrez, Rachel McDonnell, Mario Botsch
ACM Transactions on Graphics (SIGGRAPH Asia 2015), 34,(6), Article No. 184, 2015
Animation Realism Affects Perceived Character Appeal of a Self-Virtual Face
Elena Kokkinara, Rachel McDonnell
In MIG '15: Proceedings of the ACM conference on Motion in Games, pp 221-226, 2015
Perception of personality through eye gaze of realistic and cartoon models
Kerstin Ruhland, Katja Zibrek, Rachel McDonnell
In SAP '15: Proceedings of the ACM Symposium on Applied Perception, pp 19-23, 2015
The Effect of Animation Realism on Face Ownership and Engagement
Elena Kokkinara, Rachel McDonnell
In FAA '15: Proceedings of Facial Analysis, and Animation, Article No. 11, 2015
Speech independent emotion transfer for virtual faces
Timothy Costigan, Rachel McDonnell
In FAA '15: Proceedings of Facial Analysis, and Animation, Article No. 10, 2015
Exploring the Effect of Motion Type and Emotions on the Perception of Gender in Virtual Humans
Katja Zibrek, Ludovic Hoyet, Kerstin Ruhland, Rachel McDonnell
ACM Transactions on Applied Perception, 12 (3), Article No. 11, 2015
A review of eye gaze in virtual agents, social robots and HCI: Behaviour generation, user interaction and perception
Kerstin Ruhland, Christopher E. Peters, Sean Andrist, Jeremy B. Badler, Norman I. Badler, Michael Gleicher, Bilge Mutlu, Rachel McDonnell
Computer Graphics Forum, 34, (6), pp 299-326, 2015
Facial Retargeting using Neural Networks
Timothy Costigan, Mukta Prasad, Rachel McDonnell
In MIG '14: Proceedings of the ACM SIGGRAPH Conference on Motion in Games, pp 31-38 2014
Does render style affect perception of personality in virtual humans?
Katja Zibrek, Rachel McDonnell
In SAP '14: Proceedings of the ACM Symposium on Applied Perception, pp 111-115, 2014
Look me in the eyes: A survey of eye and gaze animation for virtual agents and artificial systems
Kerstin Ruhland, Sean Andrist, Jeremy B. Badler, Christopher E. Peters, Norman I. Badler, Michael Gleicher, Bilge Mutlu, Rachel McDonnell
In Eurographics State-of-the-Art Reports (EG '14 STARs), pp 69-91, 2014
Emotion Capture: Emotionally Expressive Characters for Games
Cathy Ennis, Ludovic Hoyet, Arjan Egges, Rachel McDonnell
In MIG '13: Proceedings of the ACM SIGGRAPH Conference on Motion in Games, pp 53-60, 2013
Evaluating the Effect of Emotion on Gender Recognition in Virtual Humans
Katja Zibrek, Ludovic Hoyet, Kerstin Ruhland, Rachel McDonnell
In SAP '13: Proceedings of the ACM Symposium on Applied Perception, pp 45-49, 2013
Render me Real? Investigating the Effect of Render Style on the Perception of Animated Virtual Humans
Rachel McDonnell, Martin Breidt, Heinrich Buelthoff
ACM Transaction on Graphics (SIGGRAPH 2012), 31, (4), 91:1-91:11, 2012
Push it Real: Perceiving Causality in Virtual Interactions
Ludovic Hoyet, Rachel McDonnell, Carol O'Sullivan
ACM Transaction on Graphics (SIGGRAPH 2012), 31, (4), 90:1-90:9, 2012
Sleight of Hand: Perception of finger motion from reduced marker sets
Ludovic Hoyet, Kenneth Ryall, Rachel McDonnell, Carol O'Sullivan
In Proceedings of ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games, I3D, pp. 79-86, 2012
Appealing Virtual Humans
Rachel McDonnell
In Proceedings of Motion in Games, MIG, pp. 102-111, 2012
Seeing is Believing: Body Motion Dominates in Multisensory Conversations
Cathy Ennis, Rachel McDonnell, Carol O'Sullivan
ACM Transactions on Graphics (SIGGRAPH 2010), 29, (4), 91:1 - 91:9, 2010
Movements and voices affect perceived sex of virtual conversers
Rachel McDonnell, Carol O'Sullivan
In APGV '10: Proceedings of the symposium on Applied Perception in Graphics and Visualisation, pp. 125-128, 2010
Face Reality: Investigating the Uncanny Valley for virtual faces
Rachel McDonnell, Martin Breidt
In Proceedings of the SIGGRAPH Asia 2010 Conference on Sketches & Applications, Article No. 41, 2010
Perceptual Evaluation of Human Animation Timewarping
Martin Prazak, Rachel McDonnell, Carol O'Sullivan
In Proceedings of the SIGGRAPH Asia 2010 Conference on Sketches & Applications, Article No.30, 2010
Facial animation for real-time conversing groups
Rachel McDonnell
In Proceedings of the ACM/SSPNET Symposium on Facial Analysis and Animation, p13, 2010
Eye-catching Crowds: Saliency based Selective Variation
Rachel McDonnell, Micheal Larkin, Benjamin Hernandez, Isaac Rudomin, and Carol O'Sullivan
ACM Transactions on Graphics (SIGGRAPH 2009), 28, (3), 55:1 - 55:10, 2009
Talking Bodies: Sensitivity to De-synchronization of Conversations
Rachel McDonnell, Cathy Ennis, Simon Dobbyn, and Carol O'Sullivan
Investigating the role of body shape on the perception of emotion
Rachel McDonnell, Sophie Joerg, Joanna McHugh, Fiona Newell, Carol O'Sullivan
ACM Transactions on Applied Perception, 6 (3), 14:1 - 14:11, 2009
Evaluating the effect of motion and body shape on the perceived sex of virtual characters.
Rachel McDonnell, Sophie Joerg, Jessica K. Hodgins, Fiona Newell, and Carol O'Sullivan
ACM Transactions on Applied Perception, 5, (4), 20:1-20:14, 2009
A perception based metric for comparing human motion.
Martin Prazak, Rachel McDonnell, Ladislav Kavan, and Carol O'Sullivan
Eurographics Ireland Workshop, pp. 75-80. 2009 (shared best paper award)
Perceiving emotion in crowds: the role of dynamic body postures on the perception of emotion in crowded scenes
Joanna Edel McHugh, Rachel McDonnell, Carol O'Sullivan, and Fiona Newell
Experimental Brain Research, 204 (3), 361-372, 2009
Clone Attack! Perception of Crowd Variety
Rachel McDonnell, Micheal Larkin, Simon Dobbyn, Steven Collins, Carol O'Sullivan
ACM Transactions on Graphics (SIGGRAPH 2008), 27, (3), 26:1 - 26:8, 2008
Evaluating the emotional content of human motions on real and virtual characters
Rachel McDonnell, Sophie Joerg, Joanna McHugh, Fiona Newell, Carol O'Sullivan
In APGV '08: Proceedings of the symposium on Applied Perception in Graphics and Visualisation, pp. 67-74
Crowds in Context: Evaluating the Perceptual Plausibility of Pedestrian Orientation
Christopher Peters, Cathy Ennis, Rachel McDonnell, Carol O'Sullivan
Eurographics Short Papers, pp. 227-230, 2008
Pipeline for Populating Games with Realistic Crowds
Rachel McDonnell, Simon Dobbyn, Carol O'Sullivan
International Journal of Intelligent Games and Simulation, Volume 4, Number 2, pp. 1-15, 2007
Smooth Movers: Perceptually Guided Human Motion Simulation
Rachel McDonnell, Fiona Newell, Carol O'Sullivan.
In Proceedings of ACM SIGGRAPH/Eurographics Symposium on Computer Animation, pp. 259-269, 2007
Virtual Shapers & Movers: Form and Motion affect Sex Perception
Rachel McDonnell, Sophie Joerg, Jessica Hodgins, Fiona Newell, Carol O'Sullivan
In APGV '07: Proceedings of the symposium on Applied Perception in Graphics and Visualisation, pp. 7-10, 2007
Skinning Arbitrary Deformations
Ladislav Kavan, Rachel McDonnell, Simon Dobbyn, Jiri Zara, Carol O'Sullivan
In Proceedings of ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games, I3D, pp. 53-60 2007
Populating Virtual Environments with Crowds
Daniel Thalmann, Carol O'Sullivan, Barbara Yersin, Jonathan Maim, Rachel McDonnell
Eurographics Tutorials, vol. 1, pp. 25-124, 2007
Perceptual Evaluation of LOD Clothing for Virtual Humans
Rachel McDonnell, Simon Dobbyn, Steven Collins, Carol O'Sullivan.
ACM SIGGRAPH/Eurographics Symposium on Computer Animation, pp. 117-126, 2006
Crowd Creation Pipeline for Games
Rachel McDonnell, Simon Dobbyn, Carol O'Sullivan
In Proceedings of the 9th International Conference on Computer Games, CGames 2006, pp. 183-190, 2006 (Best paper award)
Clothing The Masses: Real-Time Clothed Crowds With Variation
Simon Dobbyn, Rachel McDonnell, Steven Collins, Ladislav Kavan, Carol O'Sullivan
Eurographics Short Papers, pp. 103-106, 2006
Animating Dolly: Real-time Herding and Rendering of Sheep
Ljiljana Skrba, Simon Dobbyn, Rachel McDonnell, Carol O'Sullivan
In Proceedings of Eurographics Ireland Workshop, pp. 7-12, 2006
Perceptual Evaluation of Impostor Representations for Virtual Humans and Buildings
John Hamill, Rachel McDonnell, Simon Dobbyn, Carol O'Sullivan
Computer Graphics Forum 24(3), Eurographics, pp. 623-633, 2005
Perceptually Adaptive Graphics
Carol O'Sullivan, Sarah Howlett, Yann Morvan, Rachel McDonnell, Keith O'Conor
Eurographics State of the Art reports, pp. 141-164, 2004
LOD Human Representations: A Comparative Study
Rachel McDonnell, Simon Dobbyn, Carol O'Sullivan
In Proceeding of the First International Workshop on Crowd Simulation, pp. 101-115, 2005
Application of the Golden Ratio to 3D Facial Models
Rachel McDonnell and Ann McNamara
Proceedings Eurographics Ireland, pp. 35-42, 2003
