Publications

Training public speaking with virtual social interactions: effectiveness of real-time feedback and delayed feedback

Social signal processing and virtual social interaction technologies have allowed the creation of social skills training applications, …

Investigating the Influence of Sound Design for Inducing Anxiety in Virtual Public Speaking

Virtual reality has demonstrated successful outcomes for treating social anxiety disorders, or helping to improve social skills. Some …

Assessment of Situation Awareness during Robotic Surgery using Multimodal Data

The use of robotic surgical systems disrupts existing team dynamics inside operating rooms and constitutes a major challenge for the …

Etude de l'influence du comportement d'un public virtuel sur le stress ressenti lors de prises de paroles simulées

Des agents virtuels peuvent être utilisés pour recréer des situations de prise de parole en public simulées devant un public virtuel. …

Vers un système de production de feedbacks personnalisé pour l'entraînement de la prise de parole en public

Motivés par le besoin de former les collaborateurs d’entreprises du secteur industriel, nous présentons un système de production de …

Multiple metaphors in metaphoric gesturing

The use of metaphoric gestures by speakers has long been known to influence thought in the viewer. What is less clear is the extent to …

Towards Narrative-Driven Atmosphere for Virtual Classroom

We propose the integration of interactive narrative techniques for audience atmosphere generation in Virtual Reality (VR) training …

A Scalability Benchmark for a Virtual Audience Perception Model in Virtual Reality

In this paper, we describe the implementation and performance of a Virtual Audience perception model for Virtual Reality (VR). The …

NADIA - Neural network driven virtual human conversation agents

Advances in artificial intelligence and in particular machine learning and neural networks have given rise to a new generation of …

Influence of individual differences when training public speaking with virtual audiences

Multimodal interaction technologies have enabled new applications for training interpersonal skills such as public speaking. Various …

NADiA - Towards neural network driven virtual human conversation agents

Advances in artificial intelligence and machine learning - in particular neural networks - have given rise to a new generation of …

A generic platform for training social skills with adaptative virtual agents

We present a versatile system for training social skills with interactive virtual agents reacting to the user’s automatically …

The relationship between task-induced stress, vocal changes, and physiological state during a dyadic team task

It is commonly known that a relationship exists between the human voice and various emotional states. Past studies have demonstrated …

A Methodology for the Automatic Extraction and Generation of Non-Verbal Signals Sequences Conveying Interpersonal Attitudes

IEEE In many applications, Embodied Conversational Agents (ECAs) must be able to express various affects such as emotions or social …

Perception of virtual audiences

A growing body of evidence shows that virtual audiences are a valuable tool in the treatment of social anxiety, and recent works show …

Racing heart and sweaty palms: What influences users' self-assessments and physiological signals when interacting with virtual audiences?

In psychotherapy, virtual audiences have been shown to promote successful outcomes when used to help treating public speaking anxiety. …

Assessing Public Speaking Ability from Thin Slices of Behavior

An important aspect of public speaking is delivery, which consists of the appropriate use of non-verbal cues to strengthen the message. …

Affect-LM: A neural language model for customizable affective text generation

Human verbal communication includes affective messages which are conveyed through use of emotionally colored words. There has been a …

Native vs. Non-native language fluency implications on multimodal interaction for interpersonal skills training

New technological developments in the field of multimodal interaction show great promise for the improvement and assessment of public …

Emotion and Attitude Modeling for Non-player Characters

Within this chapter, we are presenting how game developers could take inspiration from the research in Embodied Conversational Agent to …

Manipulating the perception of virtual audiences using crowdsourced behaviors

Virtual audiences are used for training public speaking and mitigating anxiety related to it. However, research has been scarce on …

An architecture for biologically grounded real-time reflexive behavior

In this paper, we present a reflexive behavior architecture, that is geared towards the application in the control of the non-verbal …

Investigating the Physiological Responses to Virtual Audience Behavioral Changes

Virtual audiences have been used in psychotherapy for the treatment of public speaking anxiety, and recent studies show promising …

A multimodal corpus for the assessment of public speaking ability and anxiety

The ability to efficiently speak in public is an essential asset for many professions and is used in everyday life. As such, tools …

Public speaking training with a multimodal interactive virtual audience framework

We have developed an interactive virtual audience platform for public speaking training. Users' public speaking behavior is …

Multimodal public speaking performance assessment

The ability to speak proficiently in public is essential for many professions and in everyday life. Public speaking skills are …

Vers des Agents Conversationnels Animés dotés d'émotions et d'attitudes sociales

In this article, we propose an architecture of a socio-affective Embodied Conversational Agent (ECA). The different computational …

Exploring feedback strategies to improve public speaking: An interactive virtual audience framework

Good public speaking skills convey strong and effective communication, which is critical in many professions and used in everyday life. …

Towards a socially adaptive virtual agent

This paper presents a socially adaptive virtual agent that can adapt its behaviour according to social constructs (e.g. attitude, …

Agents Conversationnels Animés pour l’entrainement social : modèle computationnel de l’expression d’attitudes sociales par des séquences de signaux non-verbaux

The Embodied Conversational Agents (ECAs) used in social training must be able to simulate all the different social situations that a …

From non-verbal signals sequence mining to bayesian networks for interpersonal attitudes expression

In this paper, we present a model and its evaluation for expressing attitudes through sequences of non-verbal signals for Embodied …

Expressing social attitudes in virtual agents for social coaching

The use of virtual agents in social coaching has increased rapidly in the last decade. In social coaching, the virtual agent should be …

Mining a multimodal corpus for non-verbal signals sequences conveying attitudes

Interpersonal attitudes are expressed by non-verbal behaviors on a variety of different modalities. The perception of these behaviors …

Expressing social attitudes in virtual agents for social coaching

This paper presents a model of social attitudes for reasoning about the appropriate attitude to express during an interaction. It …

An interactive virtual audience platform for public speaking training

We have developed an interactive virtual audience platform for public speaking training. Users' public speaking behavior is …

Expressing social attitudes in virtual agents for social training games

The use of virtual agents in social coaching has increased rapidly in the last decade. In order to train the user in different …

Investigating Non-Verbal Behaviors Conveying Interpersonal Stances

The study of the expression of affects and their expression by Embodied Conversational Agents is complex. This is because affects are …

Vers des agents conversationnels animés socio-affectifs

Dans cet article, nous proposons une architecture d’un Agent Conversationnel Animé (ACA) socio-affectif. Les différents …

The TARDIS framework: Intelligent virtual agents for social coaching in job interviews

The TARDIS project aims to build a scenario-based serious-game simulation platform for NEETs and job-inclusion associations that …

A multimodal corpus approach to the design of virtual recruiters

This paper presents the analysis of the multimodal behavior of experienced practitioners of job interview coaching, and describes a …

Interpersonal stance recognition using non-verbal signals on several time windows

We present a computational model for interpreting nonverbal signals of a user during an interaction with a virtual character in order …

Computational model of film editing for interactive storytelling

Generating interactive narratives as movies requires knowledge in cinematography (camera placement, framing, lighting) and film editing …

A virtual cinematography system that learns from examples

The production of movies requires knowledge in cinematography, in particular on techniques such as framing, camera placement and …

Automated Camera Planner for Film Editing Using Key Shots

Generating films from 3D animations requires knowledge in cinematography (camera placement, framing and lighting) and editing (cutting …