Recommendations for movies, music, search engine results, user interface, and content may be enriched with the user’s emotional context 7, 8. Furthermore, difficulty in video games could be adjusted to the user’s emotional feedback 6. Emotion recognition could also enhance interaction with robots – they would better and less obtrusively understand the user’s commands, needs, and preferences 5.
On a larger scale, promoting emotional well-being is likely to increase public health, improve the quality of life, and prevent some mental problems 3, 4. Continuous affect assessment can help patients suffering from affective disorders 1 and children with autism spectrum disorder 2. The ability to recognize human emotions based on physiology and facial expressions opens up important research and application opportunities, mainly in healthcare and human-computer interaction.
