Now, a computer to lip-read and decode emotions

A computer is being taught to interpret human emotions based on lip-reading, one which could improve our interaction with these machines and perhaps allow disabled people to use voice synthesizers, more effectively and efficiently.Karthigayan Muthukaruppan of Manipal International University in Selangor, Malaysia, and co-workers have developed a system using a genetic algorithm that gets better and better with each use to match irregular ellipse (lip shapes) fitting equations to the shape of the human mouth displaying different emotions.They have used photos of individuals from South-East Asia and Japan to train a computer to recognize the six commonly accepted human emotions - happiness, sadness, fear, angry, disgust, surprise - and a neutral expression.

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