Non-Verbal Communication Analysis in Victim-Offender Mediations

In this paper we present a non-invasive ambient intelligence framework for the semi-automatic analysis of non-verbal communication applied to the restorative justice field. In particular, we propose the use of computer vision and social signal processing technologies in real scenarios of Victim-Offender Mediations, applying feature extraction techniques to multi-modal audio-RGB-depth data. We compute a set of behavioral indicators that define communicative cues from the fields of psychology and observational methodology. We test our methodology on data captured in real world Victim-Offender Mediation sessions in Catalonia in collaboration with the regional government. We define the ground truth based on expert opinions when annotating the observed social responses. Using different state-of-the-art binary classification approaches, our system achieves recognition accuracies of 86% when predicting satisfaction, and 79% when predicting both agreement and receptivity. Applying a regression strategy, we obtain a mean deviation for the predictions between 0.5 and 0.7 in the range [1-5] for the computed social signals.Comment: Please, find the supplementary video material at: http://sunai.uoc.edu/~vponcel/video/VOMSessionSample.mp

Equdia: diagrames per a la interpretació visual d'equacions en dispositius mòbils

Treballs Finals de Grau d'Enginyeria Informàtica, Facultat de Matemàtiques, Universitat de Barcelona, Any: 2013, Director: Sergio Escalera Guerrero ; Oriol Pujol VilaNowadays the way we interact with electronic devices is causing side stop devices like mouse or physical keyboard to be completely touchable. This change encourages new ways of develop software. This raises Equdia, an application with a new way of representing mathematical formulas oriented touch devices. This hierarchical representation is intuitive, based on the primitive logic of triangle as the fundamental unit. The application is designed to directly manipulate primitives to observe the impact of these changes in the other variables. It focuses both teaching calculus, so as to everyday, so as professional activities. Its usability has been tested and it has been well received, especially in the young groups, accustomed to use phones and tablets, because this software requires a learning time for its use