HappinessCounter is a new digital appliance that encourages you to smile in your daily life.
As William James stated, and confirmed by several psychological studies, making smiles positively affects on our mental status ó we become happier when we laugh. Inspired by this theory, we propose a new digital appliance that naturally facilitates making smiles in our daily life. This system is mainly designed for people living in alone who have difficulty to realize when they are in low spirits and/or to make themselves smile. Our HappinessCounter combines visual smile face recognition, user feedback, and network communication. We installed this system in a home with a single householder, and the system had positive effects on improving the userís mental status.

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