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October 19, 2009 12:03 PM PDT

Will a facial expression recognizer help autistic kids?

by Elizabeth Armstrong Moore
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Computer scientists in Singapore are developing a system that locates the face using derivative-based filtering and then calculates which emotions are being expressed.

(Credit: SeRVe61/Flickr)

Computer scientists at Nanyang Technological University in Singapore are developing a system that could help autistic children identify the emotions of those around them by first locating the edges of faces, then finding crucial fiducial points to extract and process features, and finally classifying those features into corresponding emotions.

Their paper, "Towards a Portable Intelligent Facial Expression Recognizer," is available online through the journal Intelligent Decision Technologies (Volume 3:3).

"Emotion is a state of feeling involving thoughts, physiological changes, and an outward expression," write the paper's authors, Teik-Toe Teoh, Yok-Yen Nguwi and Siu-Yeung Cho of the Centre for Computational Intelligence of the School of Computer Engineering of Nanyang Technological University. "In this paper, we propose a system that synergizes the use of derivative filtering and boosting classifier."

One theory related to autism, developed in the 1980s and known as empathizing-systemizing, suggests that autistic individuals can systemize (develop rules of operation to handle events within the brain), but not always empathize (develop rules of operation to handle events generated by external agents, i.e. another person's face).

Whether or not the portable device will effectively, efficiently, and discreetly translate what is going on in the faces around autistic children (or adults, or perhaps anyone who struggles with interpreting facial expressions) remains to be seen. So does whether it helps with empathy, or whether a significant number of people even want help in this area. We'll report back if and when this hits the market.

In the meantime, the amateur poker player within me--and I cannot be the only one curious about this--would love to see which emotions this device would find at a high-stakes poker table full of the world's best poker faces. For purely scientific reasons, of course.

Elizabeth Armstrong Moore is a freelance journalist based in Portland, Ore. She has contributed to Wired magazine, The Christian Science Monitor, and public radio. Her semi-obscure hobbies include unicycling, slacklining, hula-hooping, scuba diving, billiards, Sudoku, Magic the Gathering, and classical piano. She is a member of the CNET Blog Network and is not an employee of CNET.
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by Pete Bardo October 19, 2009 12:57 PM PDT
But can they tell me the person's name? I can't ever remember.
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by techfairy October 19, 2009 1:24 PM PDT
The proper term is "children with autism" not "autistic kids". I noticed you made the same mistake in a previous post. People first language emphasizes the person rather than the disability. In response to the article, I wonder how useful the tool will be for persons with autism. While it may help users identify an emotion, that is only half of the equation. The user will need to know how to respond to an emotion once it has been labeled. Labeling alone does not address the complete issue.
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by SJ2571 October 20, 2009 3:21 AM PDT
The proper term is "children with autism" not "autistic kids" -- stop being so politically correct. It's the same damn thing.
by techfairy October 20, 2009 6:20 AM PDT
@SJ2571 Clearly you don't have any children with autism. It's like calling someone a retard using the other term. But hey, go ahead and be ignorant and use an offensive term for a person with a disability.
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by bluemist9999 October 21, 2009 1:16 PM PDT
Even if it helps decipher facial expressions, will it help navigate the many unwritten rules of social interaction? I'd imagine that is the hardest part.
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by skintologyny November 30, 2009 9:45 PM PST
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