Dr Mathieu Chollet

Lecturer in Healthcare Technologies (School of Computing Science)

email: Mathieu.Chollet@glasgow.ac.uk

Office 321a, Sir Alwyn Williams Building, 18 Lilybank Gardens, Glasgow, UK, G12 8RZ

Biography

Mathieu Chollet is a Lecturer in Healthcare Technologies in the School of Computing Science of the University of Glasgow. His research is focused on social virtual agents – virtual characters capable of interacting with users through dialogue and non-verbal behaviour – and social signal processing – the application of signal processing and artificial intelligence techniques to understanding facial, bodily, and vocal behaviour. In particular, his work deals with the generation of virtual humans’ socio-emotional behaviour and the assessment of their impact on users’ cognitive and emotional states, and the automatic assessment of users’ performances during human-agent interaction through multimodal machine learning. His research has a strong experimental focus, with application domains in social skills training, remote collaboration, and healthcare.

His background is in Computer Science and particularly Human-Computer Interaction, with a PhD at Telecom Paris (France) on socio-emotional behaviour planning models for embodied conversational agents funded as part of the EU FP7 TARDIS project. Before joining the University of Glasgow, he was an assistant professor in Computer Science at IMT Atlantique in the LS2N laboratory (Nantes, France), after post-doctoral appointments at the University of Glasgow’s Institute of Neuroscience and Psychology, the USC Institute for Creative Technologies, and a fellowship at the Tokyo National Institute of Informatics. His current research themes include the understanding of psychosocial stress during virtual social interactions, and the design and evaluation of pedagogical approaches for public speaking training based on virtual reality and artificial intelligence.

Publications

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Number of items: 46.

2025

Léchappé, A., Johnstone, R., Milliat, A., Williamson, J. H. , Chollet, M. and Williamson, J. R. (2025) Understanding Social Interactions in Reality Versus Virtuality. In: CHI 2025, Yokohama, Japan, 26 Apr-01 May 2025, p. 41. ISBN 9798400713941 (doi: 10.1145/3706598.3713628)

Bian, T., Ma, Y., Chollet, M. , Sanchez, V. and Guha, T. (2025) Interact with Me: Joint Egocentric Forecasting of Intent to Interact, Attitude and Social Actions. In: IEEE International Conference on Multimedia & Expo (ICME) 2025, Nantes, France, 30 June-4 July 2025, (Accepted for Publication)

Weerasinghe, M., Macdonald, S. , Fiani, C., O'Hagan, J., Chollet, M. , McGill, M. and Khamis, M. (2025) Beyond mute and block: adoption and effectiveness of safety tools in social VR, from ubiquitous harassment to social sculpting. IEEE Transactions on Visualization and Computer Graphics, 31(5), pp. 3275-3284. (doi: 10.1109/TVCG.2025.3549860) (PMID:40067706)

Luo, L. , Nakao, Y., Chollet, M. , Inakoshi, H. and Stumpf, S. (2025) EARN Fairness: Explaining, Asking, Reviewing, and Negotiating Artificial Intelligence Fairness Metrics Among Stakeholders. In: 28th ACM SIGCHI Conference on Computer-Supported Cooperative Work & Social Computing (CSCW), Bergen, Norway, 18-22 Oct 2025, (Accepted for Publication)

2024

Barkar, A., Chollet, M. , Labeau, M., Biancardi, B. and Clavel, C.´e. (2024) Decoding Persuasiveness in Eloquence Competitions: An Investigation into the LLM’s Ability to Assess Public Speaking. In: 17th International Conference on Agents and Artificial Intelligence (ICAART 2025), Porto, Portugal, 23-25 February 2025, (Accepted for Publication)

Léchappé, A., Fleury, C., Chollet, M. and Dumas, C. (2024) How to Categorize Collaboration During a Collaborative Puzzle-solving Task? Validation of Collaboration Profiles Using Multimodal Data in Virtual Reality Context. In: 28th ACM SIGCHI Conference on Computer-Supported Cooperative Work and Social Computing, Oct/Nov 2025, (Accepted for Publication)

Elfleet, M. and Chollet, M. (2024) Investigating the Impact of Multimodal Feedback on User-Perceived Latency and Immersion with LLM-Powered Embodied Conversational Agents in Virtual Reality. In: 24th ACM International Conference on Intelligent Virtual Agents (IVA '24), 16-19 Sep 2024, ISBN 9798400706257 (Accepted for Publication)

Kessassi, C., Dumas, C., Cao, C. G.L. and Chollet, M. (2024) You're Hired! Effect of Virtual Agents' Social Status and Social Attitudes on Stress Induction in Virtual Job Interviews. In: 2024 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), Orlando, FL, USA, 16-21 March 2024, pp. 869-870. ISBN 9798350374490 (doi: 10.1109/vrw62533.2024.00231)

Allemang--Trivalle, A., Donjat, J., Bechu, G., Coppin, G., Chollet, M. , Klaproth, O. W., Mitschke, A., Schirrmann, A. and Cao, C. G.L. (2024) Modeling fatigue in manual and robot-assisted work for operator 5.0. IISE Transactions on Occupational Ergonomics and Human Factors, 12(1-2), pp. 135-147. (doi: 10.1080/24725838.2024.2321460) (PMID:38441578)

Biancardi, B., Chollet, M. and Clavel, C. (2024) Introducing the 3MT_French dataset to investigate the timing of public speaking judgements. Language Resources and Evaluation, (doi: 10.1007/s10579-023-09709-5) (Early Online Publication)

Allemang-Trivalle, A., Donjat, J., Bechu, G., Coppin, G., Chollet, M. , Klaproth, O. W., Mitschke, A., Schirrmann, A. and Cao, C. G.L. (2024) Modelling fatigue in manual and robot-assisted work for operator 5.0. IISE Transactions on Occupational Ergonomics and Human Factors, (doi: 10.1080/24725838.2024.2321460) (PMID:38441578) (Early Online Publication)

Kessassi, C., Chollet, M. , Dumas, C. and Cao, C. G.L. (2024) Social Presence Mediates Audience Behavior Effects on Social Stress in Virtual Public Speaking. In: 11th International Conference on Affective Computing and Intelligent Interaction (ACII 2023), Cambridge, MA, USA, 10-13 Sept 2023, ISBN 9798350327434 (doi: 10.1109/ACII59096.2023.10388126)

2023

Barkar, A., Chollet, M. , Biancardi, B. and Clavel, C. (2023) Insights Into the Importance of Linguistic Textual Features on the Persuasiveness of Public Speaking. In: 25th ACM International Conference on Multimodal Interaction (ICMI 2023), Paris, France, 9-13 October 2023, pp. 51-55. ISBN 9798400703218 (doi: 10.1145/3610661.3617161)

Léchappé, A., Milliat, A., Fleury, C., Chollet, M. and Dumas, C. (2023) Characterization of Collaboration in a Virtual Environment with Gaze and Speech Signal. In: 25th ACM International Conference on Multimodal Interaction (ICMI 2023), Paris, France, 9-13 October 2023, pp. 21-25. ISBN 9798400703218 (doi: 10.1145/3610661.3617149)

Allemang, A., Donjat, G., Coppin, G., Klaproth, O. W., Mitschke, A., Schirrmann, A., Chollet, M. and Cao, C. G.L. (2023) Human Model For Industrial System And Product Design In Industry 5.0: A Case Study. IISE Annual Conference and Expo 2023, New Orleans, LA, USA, 20-23 May 2023.

Biancardi, B., Duan, Y., Chollet, M. and Clavel, C. (2023) It’s not Just What You Do but also When You Do It: Novel Perspectives for Informing Interactive Public Speaking Training. In: 18th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2023) - HUCAPP, Lisbon, Portugal, 19-21 Feb 2023, pp. 193-200. ISBN 9789897586347 (doi: 10.5220/0011680400003417)

2022

Chollet, M. , Marsella, S. and Scherer, S. (2022) Training public speaking with virtual social interactions: effectiveness of real-time feedback and delayed feedback. Journal on Multimodal User Interfaces, 16(1), pp. 17-29. (doi: 10.1007/s12193-021-00371-1)

2019

Saund, C., Roth, M., Chollet, M. and Marsella, S. (2019) Multiple metaphors in metaphoric gesturing. 2019 8th International Conference on Affective Computing and Intelligent Interaction (ACII), Cambridge, UK, 3-6 Sept 2019. pp. 524-530. ISBN 9781728138893 (doi: 10.1109/ACII.2019.8925435)

Lugrin, J.-L., Bosser, A.-G., Latoschik, M. E., Chollet, M. , Glémarec, Y. and Lugrin, B. (2019) Towards Narrative-Driven Atmosphere for Virtual Classrooms. In: 2019 CHI Conference on Human Factors in Computing Systems (CHI '19), Glasgow, UK, 04-09 May 2019, LBW1515. ISBN 9781450359719 (doi: 10.1145/3290607.3313067)

Chollet, M. , Ochs, M. and Pelachaud, C. (2019) A methodology for the automatic extraction and generation of non-verbal signals sequences conveying interpersonal attitudes. IEEE Transactions on Affective Computing, 10(4), pp. 585-598. (doi: 10.1109/TAFFC.2017.2753777)

Glémarec, Y., Bosser, A.-G., Buche, C., Lugrin, J.-L., Landeck, M., Latoschik, M. E. and Chollet, M. (2019) A Scalability Benchmark for a Virtual Audience Perception Model in Virtual Reality. In: 25th ACM Symposium on Virtual Reality Software and Technology ( VRST '19), Sydney, NSW, Australia, 12-15 November 2019, p. 48. ISBN 9781450370011 (doi: 10.1145/3359996.3364784)

2018

Chollet, M. , Ghate, P., Neubauer, C. and Scherer, S. (2018) Influence of Individual Differences when Training Public Speaking with Virtual Audiences. In: 18th International Conference on Intelligent Virtual Agents (IVA '18), Sydney, Australia, 05-08 Nov 2018, pp. 1-7. ISBN 9781450360135 (doi: 10.1145/3267851.3267874)

Chollet, M. , Ghate, P. and Scherer, S. (2018) A Generic Platform for Training Social Skills with Adaptative Virtual Agents. In: 17th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2018), Stockholm, Sweden, 10-15 Jul 2018, pp. 1800-1802. ISBN 9781510868083

Wu, J., Ghosh, S., Chollet, M. , Ly, S., Mozgai, S. and Scherer, S. (2018) NADiA - Towards Neural Network Driven Virtual Human Conversation Agents. In: 17th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2018), Stockholm, Sweden, 10-15 Jul 2018, pp. 2262-2264. ISBN 9781510868083

Wu, J., Ly, S., Ghosh, S., Mozgai, S., Chollet, M. and Scherer, S. (2018) NADiA: Neural Network Driven Virtual Human Conversation Agents. In: IVA '18: International Conference on Intelligent Virtual Agents, Sydney, NSW, Australia, 5-8 November 2018, pp. 173-178. ISBN 9781450360135 (doi: 10.1145/3267851.3267860)

2017

Neubauer, C., Chollet, M. , Mozgai, S., Dennison, M., Khooshabeh, P. and Scherer, S. (2017) The Relationship Between Task-induced Stress, Vocal Changes, and Physiological State During a Dyadic Team Task. In: 19th ACM International Conference on Multimodal Interaction (ICMI 2017), Glasgow, Scotland, 13-17 Nov 2017, pp. 426-432. ISBN 9781450355438 (doi: 10.1145/3136755.3136804)

Chollet, M. , Massachi, T. and Scherer, S. (2017) Racing heart and sweaty palms: what influences users’ self-assessments and physiological signals when interacting with virtual audiences? In: Beskow, Jonas, Peters, Christopher, Castellano, Ginevra, O'Sullivan, Carol, Leite, Iolanda and Kopp, Stefan (eds.) Intelligent Virtual Agents: 17th International Conference, IVA 2017, Stockholm, Sweden, August 27-30, 2017, Proceedings. Series: Lecture notes in computer science (10498). Springer: Cham, pp. 83-86. ISBN 9783319674001 (doi: 10.1007/978-3-319-67401-8_9)

Ghosh, S., Chollet, M. , Laksana, E., Morency, L.-P. and Scherer, S. (2017) Affect-LM: a Neural Language Model for Customizable Affective Text Generation. In: 55th Annual Meeting of the Association for Computational Linguistics (ACL 2017), Vancouver, BC, Canada, 30 Jul - 04 Aug 2017, pp. 634-642. ISBN 9781945626753 (doi: 10.18653/v1/P17-1059)

Chollet, M. and Scherer, S. (2017) Assessing Public Speaking Ability from Thin Slices of Behavior. In: 2017 12th IEEE International Conference on Automatic Face & Gesture Recognition (FG 2017), Washington, D.C., USA, 30 May - 03 Jun 2017, pp. 310-316. ISBN 9781509040230 (doi: 10.1109/FG.2017.45)

Chollet, M. and Scherer, S. (2017) Perception of virtual audiences. IEEE Computer Graphics and Applications, 37(4), pp. 50-59. (doi: 10.1109/MCG.2017.3271465) (PMID:28829293)

2016

Chollet, M. , Prendinger, H. and Scherer, S. (2016) Native vs. Non-Native Language Fluency Implications on Multimodal Interaction for Interpersonal Skills Training. In: 18th ACM International Conference on Multimodal Interaction, Tokyo, Japan, 12-16 Nov 2016, pp. 386-393. ISBN 9781450345569 (doi: 10.1145/2993148.2993196)

Chollet, M. , Chandrashekhar, N., Shapiro, A., Morency, L.-P. and Scherer, S. (2016) Manipulating the perception of virtual audiences using crowdsourced behaviors. In: Traum, David, Swartout, William, Khooshabeh, Peter, Kopp, Stefan, Scherer, Stefan and Leuski, Anton (eds.) Intelligent Virtual Agents: 16th International Conference, IVA 2016, Los Angeles, CA, USA, September 20–23, 2016, Proceedings. Series: Lecture notes in computer science (10011). Springer: Cham, pp. 164-174. ISBN 9783319476643 (doi: 10.1007/978-3-319-47665-0_15)

Bernardet, U., Chollet, M. , DiPaola, S. and Scherer, S. (2016) An architecture for biologically grounded real-time reflexive behavior. In: Traum, David, Swartout, William, Khooshabeh, Peter, Kopp, Stefan, Scherer, Stefan and Leuski, Anton (eds.) Intelligent Virtual Agents. Series: Lecture notes in computer science (10011). Springer, pp. 295-305. (doi: 10.1007/978-3-319-47665-0_26)

Chollet, M. , Wörtwein, T., Morency, L.-P. and Scherer, S. (2016) A Multimodal Corpus for the Assessment of Public Speaking Ability and Anxiety. In: 10th International Conference on Language Resources and Evaluation (LREC 2016), Portorož, Slovenia, 23-28 May 2016, pp. 488-495. ISBN 9782951740891

2015

Chollet, M. , Stefanov, K., Prendinger, H. and Scherer, S. (2015) Public Speaking Training with a Multimodal Interactive Virtual Audience Framework. In: International Conference on Multimodal Interaction (ICMI '15), Seattle, WA, USA, 09-13 Nov 2015, pp. 367-368. ISBN 9781450339124 (doi: 10.1145/2818346.2823294)

Wörtwein, T., Morency, L. -P., Chollet, M. , Stiefelhagen, R., Schauerte, B. and Scherer, S. (2015) Multimodal Public Speaking Performance Assessment. In: International Conference on Multimodal Interaction (ICMI '15), Seattle, WA, USA, 09-13 Nov 2015, pp. 43-50. ISBN 9781450339124 (doi: 10.1145/2818346.2820762)

Youssef, A. B., Chollet, M. , Jones, H., Sabouret, N., Pelachaud, C. and Ochs, M. (2015) Towards a socially adaptive virtual agent. In: Brinkman, Willem-Paul, Broekens, Joost and Heylen, Dirk (eds.) Intelligent Virtual Agents: 15th International Conference, IVA 2015, Delft, The Netherlands, August 26-28, 2015, Proceedings. Series: Lecture notes in computer science. Springer, pp. 3-16. ISBN 9783319219967 (doi: 10.1007/978-3-319-21996-7_1)

Chollet, M. , Wörtwein, T., Morency, L.-P., Shapiro, A. and Scherer, S. (2015) Exploring Feedback Strategies to Improve Public Speaking: An Interactive Virtual Audience Framework. In: 3rd ACM International Joint Conference on Pervasive and Ubiquitous Computing, UbiComp 2015, 7-11 Sept 2014, Osaka, pp. 1143-1154. (doi: 10.1145/2750858.2806060)

2014

Chollet, M. , Ochs, M. and Pelachaud, C. (2014) From non-verbal signals sequence mining to bayesian networks for interpersonal attitudes expression. In: Bickmore, Timothy, Marsella, Stacy and Sidner, Candace (eds.) Intelligent Virtual Agents: 14th International Conference, IVA 2014, Boston, MA, USA, August 27-29, 2014, Proceedings. Series: Lecture notes in computer science. Springer, pp. 120-133. ISBN 9783319097671 (doi: 10.1007/978-3-319-09767-1_15)

Chollet, M. , Sratou, G., Shapiro, A., Morency, L. -P. and Scherer, S. (2014) An Interactive Virtual Audience Platform for Public Speaking Training. In: International conference on Autonomous Agents and Multi-Agent Systems (AAMAS '14), Paris, France, 05-09 May 2014, pp. 1657-1658. ISBN 9781450327381

Jones, H., Chollet, M. , Ochs, M., Sabouret, N. and Pelachaud, C. (2014) Expressing Social Attitudes in Virtual Agents for Social Coaching. In: International conference on Autonomous Agents and Multi-Agent Systems (AAMAS '14), Paris, France, 05-09 May 2014, pp. 1409-1410. ISBN 9781450327381

Chollet, M. , Ochs, M. and Pelachaud, C. (2014) Mining a Multimodal Corpus for Non-Verbal Behavior Sequences Conveying Attitudes. In: 9th International Conference on Language Resources and Evaluation (LREC '14), Reykjavik, Iceland, 26-31 May 2014, pp. 3417-3424. ISBN 9782951740884

2013

Chollet, M. , Ochs, M., Clavel, C. and Pelachaud, C. (2013) A Multimodal Corpus Approach to the Design of Virtual Recruiters. In: 2013 Humaine Association Conference on Affective Computing and Intelligent Interaction, Geneva, Switzerland, 02-05 Sep 2013, pp. 19-24. ISBN 9780769550480 (doi: 10.1109/ACII.2013.10)

Ochs, M., Ding, Y., Fourati, N., Chollet, M. , Ravenet, B., Pecune, F., Glas, N., Prepin, K., Clavel, C. and Pelachaud, C. (2013) Vers des Agents Conversationnels Animés Socio-Affectifs. In: 25eme conference francophone sur l'Interaction Homme-Machine (IHM '13), Talence, France, 12-15 Nov 2013, pp. 69-78. ISBN 9781450324076 (doi: 10.1145/2534903.2534913)

Anderson, K. et al. (2013) The TARDIS framework: intelligent virtual agents for social coaching in job interviews. In: Advances in Computer Entertainment: 10th International Conference, ACE 2013, Boekelo, The Netherlands, November 12-15, 2013. Proceedings. Series: Lecture notes in computer science. Springer, pp. 476-491. ISBN 9783319031613 (doi: 10.1007/978-3-319-03161-3_35)

2011

Lino, C., Chollet, M. , Christie, M. and Ronfard, R. (2011) Computational model of film editing for interactive storytelling. In: Si, Mei, Thue, David, André, Elisabeth, Lester, James C., Tanenbaum, Theresa Jean and Zammitto, Veronica (eds.) Interactive Storytelling: 4th International Conference on Interactive Digital Storytelling, ICIDS 2011, Vancouver, Canada, November 28-1 December, 2011, Proceedings. Series: Lecture notes in computer science. Springer, pp. 305-308. ISBN 9783642252891 (doi: 10.1007/978-3-642-25289-1_35)

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Number of items: 46.

Articles

Chollet, M. and Scherer, S. (2017) Perception of virtual audiences. IEEE Computer Graphics and Applications, 37(4), pp. 50-59. (doi: 10.1109/MCG.2017.3271465) (PMID:28829293)

Book Sections

Conference or Workshop Item

Conference Proceedings