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Karthigayan Muthukaruppan

Kuala Lumpur: Computer, user friendly machine has now moved ahead by a step and is going to help one understand their emotions as well. This will pave way for disabled to communicate with others and convey their emotions.

This computer helps in understanding emotions using lip reading. The PC will help people in making an optimum use of voice synthesizers, more efficiently and effectively.

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, anger, disgust, surprise - and a neutral expression.

The upper and lower lip is each analyzed as two separate ellipses by the algorithm, the International Journal of Artificial Intelligence and Soft Computing reported.

"In recent years, there has been a growing interest in improving all aspects of interaction between humans and computers especially in the area of human emotion recognition by observing facial expression," the team explained, according to a statement of Manipal University.

Earlier researchers had developed an understanding that allows emotion to be recreated by manipulating a representation of the human face on a computer screen.

However, lips remain a crucial part of the outward expression of emotion. The team's algorithm can successfully classify the seven emotions and a neutral expression described.

Researchers suggest that initial applications of such an emotion detector might be helping disabled patients lacking speech to interact more effectively with computer-based communication devices, for instance.

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