Posted by: zyxo | January 26, 2009

How old are you ?

Ana Beatriz Barros
Image via Wikipedia presents a game to look at the pictures and try to accurately guess the person’s age. If you try it, you will see how (un-)precise our natural neural network model can tell the age of a person.
I wondered if there is somewhere a (artificial) data mining model that can outperform human estimation power. (And indeed, some people already gave it a try : Xiaodan Zhuang, Xi Zhou, Mark Hasegawa-Johnson, and Thomas Huang)

It first should be able to detect the face in the picture. That problem is already solved by Pittsburg Pattern Recognition.

Second step is to estimate the age. Which variables should you use ? Must be an interesting problem to solve. Perhaps when I have the time somewhere in the future ?

A similar problem is given by hotornot, but this must be a thougher one, because here it is not only the face that matters. And second what one person finds is hot, is not necessarily the same for another person. In the age estimation game the target variabele is something there is no discussion about.

However, a person can look older or younger than his or her real age.
Interesting point here is that the “intelligence of the crowd” : the average estimation should exactly give the apparent age.

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