Machines Like Us

Software that recognizes and rates smiles was demonstrated recently at an exhibition in Tokyo, where attendees competed to outsmile one another.

The smile-checking technology is the latest addition to Omron Corporation's OKAO Vision software suite, which detects faces in images and can determine the person's gender and approximate age, or verify his or her identity from a database of faces. The smile software is Omron's first foray into facial-expression detection and analysis, a field that could revolutionize how humans interact with machines, and with each other.

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