Patent Document ID: 7929805
Application ID: 11668853

Base Claim:
1. A method of generating a Completely Automated Public test to Tell Computers and Humans Apart (CAPTCHA), comprising the steps of: storing a database of images and annotations corresponding to the images, each image depicting a concept or object intended for human recognition; distorting at least one of the images, and presenting the distorted image on a computer display along with a separate list of words, one of which best annotates the distorted image; and assuming that the user of the computer is a human as opposed to a machine if the correct word is selected to annotate the distorted image.

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Claim 3:
3. The method of claim 1 , further including the steps of: displaying a plurality of different images prior to the step of displaying a distorted image to be annotated; selecting one of the images from the plurality; and displaying the distorted image and the separate list of words, one of which best annotates the selected image.