Dog or Cat Captcha ...

My favorite project talked about this article is one where the blurred letters and numbers - called captcha images - are replaced by the image of a dog or cat ... with you having to properly identify which it is. It turns out that this is a hard problem to solve ... today ... for machines.

Microsoft's research labs offer freebies. Many projects at TechFest are simply research concepts that will never come to market, but some are being made publicly available.
Images: From pets to panoramas at TechFest [CNET News.com]

[tags: captcha microsoft research]