UX-Mate: from facial expressions to UX evaluation

Staiano, J., Menéndez, M., Battocchi, A. , De Angeli, A. and Sebe, N. (2012) UX-Mate: from facial expressions to UX evaluation. In: Designing Interactive Systems Conference, DIS '12, 11 - 15 June 2012, Newcastle Upon Tyne; United Kingdom.


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In this paper we propose and evaluate UX-Mate, a non-invasive system for the automatic assessment of User eXperience (UX). In addition, we contribute a novel database of annotated and synchronized videos of interactive behavior and facial expressions. UX-Mate is a modular system which tracks facial expressions of users, interprets them based on pre-set rules, and generates predictions about the occurrence of a target emotional state, which can be linked to interaction events. The system simplifies UX evaluation providing an indication of event occurrence. UX-Mate has several advantages compared to other state of the art systems: easy deployment in the user's natural environment, avoidance of invasive devices, and extreme cost reduction. The paper reports a pilot and a validation study on a total of 46 users, where UX-Mate was used for identifying interaction difficulties. The studies show encouraging results that open possibilities for automatic real-time UX evaluation in ecological environments.

Additional Information:Conference Code:91610
Keywords:evaluation, Facial Expressions, mixed emotions, User experience, Video analysis
Subjects:G Mathematical and Computer Sciences > G400 Computer Science
Divisions:College of Science > School of Computer Science
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ID Code:25493
Deposited On:18 Jul 2017 18:06

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