Behind the Scenes
Proprietary Data Collection
Our emotion recognition model is trained from a proprietary data set collected through an iOS app, MatchMoji. MatchMoji is a game in which players are presented with a set of random emojis. They must match the expression of the emoji and can compete with friends on a leaderboard.
Players can play the game without sharing any data, or they can play in Train mode which shares data to help improve our model.
Nuance and Self-curation
Because MatchMoji asks users to match an expression, our self-labeled dataset captures both nuance and extreme reactions. While we also review data tags, we rarely adjust and instead let our community weigh in on expression interpretation.