Interpretable Explainability in Facial Emotion Recognition and Gamification for Data Collection

Research output: Chapter in Book/Report/Conference proceedingConference Article in proceedingAcademicpeer-review

Abstract

Training facial emotion recognition models requires large sets of data and costly annotation processes. To alleviate this problem, we developed a gamified method of acquiring annotated
facial emotion data without an explicit labeling effort by humans. The game, which we named Facegame, challenges the players to
imitate a displayed image of a face that portrays a particular basic emotion. Every round played by the player creates new data
that consists of a set of facial features and landmarks, already annotated with the emotion label of the target facial expression. Such an approach effectively creates a robust, sustainable, and
continuous machine learning training process. We evaluated Facegame with an experiment that revealed several contributions to the field of affective computing. First, the gamified data
collection approach allowed us to access a rich variation of facial expressions of each basic emotion due to the natural variations in the players’ facial expressions and their expressive abilities. We report improved accuracy when the collected data were used to enrich well-known in-the-wild facial emotion datasets and consecutively used for training facial emotion recognition models. Second, the natural language prescription method used by the Facegame constitutes a novel approach for interpretable explainability that can be applied to any facial emotion recognition model. Finally, we observed significant improvements in the facial emotion perception and expression skills of the players through repeated game play. Index Terms—Affective comp
Original languageEnglish
Title of host publicationIEEE Affective Computing and Intelligent Interaction
PublisherIEEE
Number of pages8
ISBN (Electronic)78-1-6654-5908-2
ISBN (Print)978-1-6654-5909-9
DOIs
Publication statusPublished - 25 Nov 2022
Event10th International Conference on Affective Computing and Intelligent Interaction - Nara, Japan
Duration: 18 Oct 202221 Oct 2022

Conference

Conference10th International Conference on Affective Computing and Intelligent Interaction
Abbreviated titleACII
Country/TerritoryJapan
CityNara
Period18/10/2221/10/22

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