vince shamwow

3.27.2009

I wrote a blog about a new way of creating Captchas by using 3D images that Taylor Hayward, a blogger, came up with and thought it would be really cool when implemented. Now, 3D Captchas seem to have become a reality--however, not from Hayward.
vince shamwow
Incidentally, the folks at YUNiTi.com, a social Web site, have been working on the same idea for a few weeks and have implemented the method on their Web site.

The site announced Wednesday that it has created a 3D Captcha method that is unbreakable by current computer technology, yet much easier for humans to identify.

Captchas is short for Completely Automated Public Turing tests to tell Computers and Humans Apart. This is a way to make sure the input is not generated by a computer.

Similar to Hayward's idea, this new technology relies on our ability to identify objects in 3D instead of using alphanumeric characters. YUNiti's 3D Captcha, however, has three objects in the challenge and extends the list of images to any object, not limiting it to animals as in Hayward's idea. This increases the challenge's level of complication to prevent computers from successfully making the correct guesses.

I tried a new Captcha at the Web site and it worked very well. You just need to click on the placeholders for each object, then you are presented with a list of objects to choose from. After four mouse clicks, I passed the Captcha the very first time.
vince shamwow
Marcos Boyington, co-founder and primary software engineer of YUNiTi.com, told CNET News that he and his brother came up with the idea without knowing of Taylor Hayward's method. Boyington believes this was joint discovery of the same concept by people in different parts of the world. He said he is seeking contact with Hayward to talk about collaboration opportunities.

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