Texture Features for Browsing and Retrieval of Image Data
IEEE Transactions on Pattern Analysis and Machine Intelligence
Interpreting Face Images Using Active Appearance Models
FG '98 Proceedings of the 3rd. International Conference on Face & Gesture Recognition
SenToy: an affective sympathetic interface
International Journal of Human-Computer Studies - Application of affective computing in human—Computer interaction
Robust Real-Time Face Detection
International Journal of Computer Vision
Using heuristics to evaluate the playability of games
CHI '04 Extended Abstracts on Human Factors in Computing Systems
Affective multimodal human-computer interaction
Proceedings of the 13th annual ACM international conference on Multimedia
Affective feedback: an investigation into the role of emotions in the information seeking process
Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval
ICME'09 Proceedings of the 2009 IEEE international conference on Multimedia and Expo
The mimic game: real-time recognition and imitation of emotional facial expressions
ACM SIGGRAPH 2010 Talks
Continuous emotion recognition using gabor energy filters
ACII'11 Proceedings of the 4th international conference on Affective computing and intelligent interaction - Volume Part II
Introducing EVG: an emotion evoking game
IVA'06 Proceedings of the 6th international conference on Intelligent Virtual Agents
Recognition of facial expressions and measurement of levels of interest from video
IEEE Transactions on Multimedia
Emotion mirror: a novel intervention for autism based on real-time expression recognition
ECCV'12 Proceedings of the 12th international conference on Computer Vision - Volume Part III
Crowdsourcing for affective-interaction in computer games
Proceedings of the 2nd ACM international workshop on Crowdsourcing for multimedia
NovaEmötions: winning with a smile
Proceedings of the 21st ACM international conference on Multimedia
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Human-computer interaction (HCI) is expanding towards natural modalities of human expression. Gestures, body movements and other affective interaction techniques can change the way computers interact with humans. In this paper, we propose to extend existing interaction paradigms by including facial expression as a controller in videogames. NovaEmötions is a multiplayer game where players score by acting an emotion through a facial expression. We designed an algorithm to offer an engaging interaction experience using the facial expression. Despite the novelty of the interaction method, our game scoring algorithm kept players engaged and competitive. A user study done with 46 users showed the success and potential for the usage of affective-based interaction in videogames, i.e., the facial expression as the sole controller in videogames. Moreover, we released a novel facial expression dataset with over 41,000 images. These face images were captured in a novel and realistic setting: users playing games where a player's facial expression has an impact on the game score.