Facial recognition software guesses your age, mood

Face.com, Based on Face.com's analysis, msnbc.com's Rosa Golijan is 22-years-old and happy in this photo.

We often think of facial recognition software as "creepy" or "annoying," but let's not forget that it can be fun, too. I, for one, got a little too carried away with this computer program that guesses the age and mood of people in photos. And I'll bet you will, too.

An application programming interface (API) created by the folks behind face.com — a company which works on all sorts of facial recognition technology — will perform just this kind of guesswork on command. You don't need to know anything about programming to use the API, you just have to head over to a page which demonstrates the age-recognition technology.

Once you're on the page, simply upload a photo (or enter an image's URL into the appropriate box) and click the "Call Method" button. A few moments later, you'll see your image overlaid with some strange markings. Hover your mouse cursor over any of the those dots and boxes to see what Face.com's API calculated. There'll be details such as the estimated age, minimum age, maximum age, gender and mood of any individuals in the image. You'll also see whether or not the software believes that a person is wearing glasses or smiling.

The image analysis will also offer percentages after each detail. Those indicate how sure the software is about any particular number or characteristic. Many factors, such as as image quality, wrinkles, facial smoothness, poses and so on will affect both that percentage as well as the final result, according to Venture Beat's Sarah Mitroff. 

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